Expose a new indexer parameter to enable the creation of a document dictionary

.github/workflows/sdks-tests.yml

@@ -52,7 +52,7 @@ jobs:
       - name: Setup .NET Core
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: "8.0.x"
+          dotnet-version: "6.0.x"
       - name: Install dependencies
         run: dotnet restore
       - name: Build

Cargo.toml

@@ -22,7 +22,7 @@ members = [
 ]
 
 [workspace.package]
-version = "1.13.0"
+version = "1.12.2"
 authors = [
     "Quentin de Quelen <quentin@dequelen.me>",
     "Clément Renault <clement@meilisearch.com>",

crates/benchmarks/benches/indexing.rs

@@ -38,7 +38,7 @@ fn setup_index() -> Index {
     let mut options = EnvOpenOptions::new();
     options.map_size(100 * 1024 * 1024 * 1024); // 100 GB
     options.max_readers(100);
-    Index::new(options, path, true).unwrap()
+    Index::new(options, path).unwrap()
 }
 
 fn setup_settings<'t>(

crates/benchmarks/benches/utils.rs

@@ -68,7 +68,7 @@ pub fn base_setup(conf: &Conf) -> Index {
     let mut options = EnvOpenOptions::new();
     options.map_size(100 * 1024 * 1024 * 1024); // 100 GB
     options.max_readers(100);
-    let index = Index::new(options, conf.database_name, true).unwrap();
+    let index = Index::new(options, conf.database_name).unwrap();
 
     let config = IndexerConfig::default();
     let mut wtxn = index.write_txn().unwrap();

crates/dump/src/lib.rs

@@ -141,9 +141,6 @@ pub enum KindDump {
         instance_uid: Option<InstanceUid>,
     },
     SnapshotCreation,
-    UpgradeDatabase {
-        from: (u32, u32, u32),
-    },
 }
 
 impl From<Task> for TaskDump {
@@ -213,9 +210,6 @@ impl From<KindWithContent> for KindDump {
                 KindDump::DumpCreation { keys, instance_uid }
             }
             KindWithContent::SnapshotCreation => KindDump::SnapshotCreation,
-            KindWithContent::UpgradeDatabase { from: version } => {
-                KindDump::UpgradeDatabase { from: version }
-            }
         }
     }
 }
@@ -229,7 +223,7 @@ pub(crate) mod test {
     use big_s::S;
     use maplit::{btreemap, btreeset};
     use meilisearch_types::facet_values_sort::FacetValuesSort;
-    use meilisearch_types::features::{Network, Remote, RuntimeTogglableFeatures};
+    use meilisearch_types::features::RuntimeTogglableFeatures;
     use meilisearch_types::index_uid_pattern::IndexUidPattern;
     use meilisearch_types::keys::{Action, Key};
     use meilisearch_types::milli;
@@ -455,10 +449,6 @@ pub(crate) mod test {
 
         dump.create_experimental_features(features).unwrap();
 
-        // ========== network
-        let network = create_test_network();
-        dump.create_network(network).unwrap();
-
         // create the dump
         let mut file = tempfile::tempfile().unwrap();
         dump.persist_to(&mut file).unwrap();
@@ -471,13 +461,6 @@ pub(crate) mod test {
         RuntimeTogglableFeatures::default()
     }
 
-    fn create_test_network() -> Network {
-        Network {
-            local: Some("myself".to_string()),
-            remotes: maplit::btreemap! {"other".to_string() => Remote { url: "http://test".to_string(), search_api_key: Some("apiKey".to_string()) }},
-        }
-    }
-
     #[test]
     fn test_creating_and_read_dump() {
         let mut file = create_test_dump();
@@ -526,9 +509,5 @@ pub(crate) mod test {
         // ==== checking the features
         let expected = create_test_features();
         assert_eq!(dump.features().unwrap().unwrap(), expected);
-
-        // ==== checking the network
-        let expected = create_test_network();
-        assert_eq!(&expected, dump.network().unwrap().unwrap());
     }
 }

crates/dump/src/reader/compat/v5_to_v6.rs

@@ -196,10 +196,6 @@ impl CompatV5ToV6 {
     pub fn features(&self) -> Result<Option<v6::RuntimeTogglableFeatures>> {
         Ok(None)
     }
-
-    pub fn network(&self) -> Result<Option<&v6::Network>> {
-        Ok(None)
-    }
 }
 
 pub enum CompatIndexV5ToV6 {

crates/dump/src/reader/mod.rs

@@ -23,7 +23,6 @@ mod v6;
 pub type Document = serde_json::Map<String, serde_json::Value>;
 pub type UpdateFile = dyn Iterator<Item = Result<Document>>;
 
-#[allow(clippy::large_enum_variant)]
 pub enum DumpReader {
     Current(V6Reader),
     Compat(CompatV5ToV6),
@@ -115,13 +114,6 @@ impl DumpReader {
             DumpReader::Compat(compat) => compat.features(),
         }
     }
-
-    pub fn network(&self) -> Result<Option<&v6::Network>> {
-        match self {
-            DumpReader::Current(current) => Ok(current.network()),
-            DumpReader::Compat(compat) => compat.network(),
-        }
-    }
 }
 
 impl From<V6Reader> for DumpReader {
@@ -336,7 +328,6 @@ pub(crate) mod test {
         }
 
         assert_eq!(dump.features().unwrap().unwrap(), RuntimeTogglableFeatures::default());
-        assert_eq!(dump.network().unwrap(), None);
     }
 
     #[test]
@@ -382,27 +373,6 @@ pub(crate) mod test {
         assert_eq!(dump.features().unwrap().unwrap(), RuntimeTogglableFeatures::default());
     }
 
-    #[test]
-    fn import_dump_v6_network() {
-        let dump = File::open("tests/assets/v6-with-network.dump").unwrap();
-        let dump = DumpReader::open(dump).unwrap();
-
-        // top level infos
-        insta::assert_snapshot!(dump.date().unwrap(), @"2025-01-29 15:45:32.738676 +00:00:00");
-        insta::assert_debug_snapshot!(dump.instance_uid().unwrap(), @"None");
-
-        // network
-
-        let network = dump.network().unwrap().unwrap();
-        insta::assert_snapshot!(network.local.as_ref().unwrap(), @"ms-0");
-        insta::assert_snapshot!(network.remotes.get("ms-0").as_ref().unwrap().url, @"http://localhost:7700");
-        insta::assert_snapshot!(network.remotes.get("ms-0").as_ref().unwrap().search_api_key.is_none(), @"true");
-        insta::assert_snapshot!(network.remotes.get("ms-1").as_ref().unwrap().url, @"http://localhost:7701");
-        insta::assert_snapshot!(network.remotes.get("ms-1").as_ref().unwrap().search_api_key.is_none(), @"true");
-        insta::assert_snapshot!(network.remotes.get("ms-2").as_ref().unwrap().url, @"http://ms-5679.example.meilisearch.io");
-        insta::assert_snapshot!(network.remotes.get("ms-2").as_ref().unwrap().search_api_key.as_ref().unwrap(), @"foo");
-    }
-
     #[test]
     fn import_dump_v5() {
         let dump = File::open("tests/assets/v5.dump").unwrap();

crates/dump/src/reader/v6/mod.rs

@@ -20,7 +20,6 @@ pub type Unchecked = meilisearch_types::settings::Unchecked;
 pub type Task = crate::TaskDump;
 pub type Key = meilisearch_types::keys::Key;
 pub type RuntimeTogglableFeatures = meilisearch_types::features::RuntimeTogglableFeatures;
-pub type Network = meilisearch_types::features::Network;
 
 // ===== Other types to clarify the code of the compat module
 // everything related to the tasks
@@ -51,7 +50,6 @@ pub struct V6Reader {
     tasks: BufReader<File>,
     keys: BufReader<File>,
     features: Option<RuntimeTogglableFeatures>,
-    network: Option<Network>,
 }
 
 impl V6Reader {
@@ -80,30 +78,12 @@ impl V6Reader {
             None
         };
 
-        let network_file = match fs::read(dump.path().join("network.json")) {
-            Ok(network_file) => Some(network_file),
-            Err(error) => match error.kind() {
-                // Allows the file to be missing, this will only result in all experimental features disabled.
-                ErrorKind::NotFound => {
-                    debug!("`network.json` not found in dump");
-                    None
-                }
-                _ => return Err(error.into()),
-            },
-        };
-        let network = if let Some(network_file) = network_file {
-            Some(serde_json::from_reader(&*network_file)?)
-        } else {
-            None
-        };
-
         Ok(V6Reader {
             metadata: serde_json::from_reader(&*meta_file)?,
             instance_uid,
             tasks: BufReader::new(File::open(dump.path().join("tasks").join("queue.jsonl"))?),
             keys: BufReader::new(File::open(dump.path().join("keys.jsonl"))?),
             features,
-            network,
             dump,
         })
     }
@@ -174,10 +154,6 @@ impl V6Reader {
     pub fn features(&self) -> Option<RuntimeTogglableFeatures> {
         self.features
     }
-
-    pub fn network(&self) -> Option<&Network> {
-        self.network.as_ref()
-    }
 }
 
 pub struct UpdateFile {

crates/dump/src/writer.rs

@@ -4,7 +4,7 @@ use std::path::PathBuf;
 
 use flate2::write::GzEncoder;
 use flate2::Compression;
-use meilisearch_types::features::{Network, RuntimeTogglableFeatures};
+use meilisearch_types::features::RuntimeTogglableFeatures;
 use meilisearch_types::keys::Key;
 use meilisearch_types::settings::{Checked, Settings};
 use serde_json::{Map, Value};
@@ -61,10 +61,6 @@ impl DumpWriter {
         )?)
     }
 
-    pub fn create_network(&self, network: Network) -> Result<()> {
-        Ok(std::fs::write(self.dir.path().join("network.json"), serde_json::to_string(&network)?)?)
-    }
-
     pub fn persist_to(self, mut writer: impl Write) -> Result<()> {
         let gz_encoder = GzEncoder::new(&mut writer, Compression::default());
         let mut tar_encoder = tar::Builder::new(gz_encoder);
@@ -299,8 +295,7 @@ pub(crate) mod test {
         ├---- experimental-features.json
         ├---- instance_uid.uuid
         ├---- keys.jsonl
-        ├---- metadata.json
-        └---- network.json
+        └---- metadata.json
         "###);
 
         // ==== checking the top level infos

crates/fuzzers/src/bin/fuzz-indexing.rs

@@ -63,7 +63,7 @@ fn main() {
                 Some(path) => TempDir::new_in(path).unwrap(),
                 None => TempDir::new().unwrap(),
             };
-            let index = Index::new(options, tempdir.path(), true).unwrap();
+            let index = Index::new(options, tempdir.path()).unwrap();
             let indexer_config = IndexerConfig::default();
 
             std::thread::scope(|s| {
@@ -150,7 +150,7 @@ fn main() {
 
                             // after executing a batch we check if the database is corrupted
                             let res = index.search(&wtxn).execute().unwrap();
-                            index.documents(&wtxn, res.documents_ids).unwrap();
+                            index.compressed_documents(&wtxn, res.documents_ids).unwrap();
                             progression.fetch_add(1, Ordering::Relaxed);
                         }
                         wtxn.abort();

crates/index-scheduler/src/dump.rs

@@ -1,9 +1,8 @@
 use std::collections::HashMap;
-use std::io;
 
 use dump::{KindDump, TaskDump, UpdateFile};
 use meilisearch_types::heed::RwTxn;
-use meilisearch_types::milli;
+use meilisearch_types::milli::documents::DocumentsBatchBuilder;
 use meilisearch_types::tasks::{Kind, KindWithContent, Status, Task};
 use roaring::RoaringBitmap;
 use uuid::Uuid;
@@ -40,19 +39,14 @@ impl<'a> Dump<'a> {
         task: TaskDump,
         content_file: Option<Box<UpdateFile>>,
     ) -> Result<Task> {
-        let task_has_no_docs = matches!(task.kind, KindDump::DocumentImport { documents_count, .. } if documents_count == 0);
-
         let content_uuid = match content_file {
             Some(content_file) if task.status == Status::Enqueued => {
-                let (uuid, file) = self.index_scheduler.queue.create_update_file(false)?;
-                let mut writer = io::BufWriter::new(file);
+                let (uuid, mut file) = self.index_scheduler.queue.create_update_file(false)?;
+                let mut builder = DocumentsBatchBuilder::new(&mut file);
                 for doc in content_file {
-                    let doc = doc?;
-                    serde_json::to_writer(&mut writer, &doc).map_err(|e| {
-                        Error::from_milli(milli::InternalError::SerdeJson(e).into(), None)
-                    })?;
+                    builder.append_json_object(&doc?)?;
                 }
-                let file = writer.into_inner().map_err(|e| e.into_error())?;
+                builder.into_inner()?;
                 file.persist()?;
 
                 Some(uuid)
@@ -60,12 +54,6 @@ impl<'a> Dump<'a> {
             // If the task isn't `Enqueued` then just generate a recognisable `Uuid`
             // in case we try to open it later.
             _ if task.status != Status::Enqueued => Some(Uuid::nil()),
-            None if task.status == Status::Enqueued && task_has_no_docs => {
-                let (uuid, file) = self.index_scheduler.queue.create_update_file(false)?;
-                file.persist()?;
-
-                Some(uuid)
-            }
             _ => None,
         };
 
@@ -144,7 +132,6 @@ impl<'a> Dump<'a> {
                     KindWithContent::DumpCreation { keys, instance_uid }
                 }
                 KindDump::SnapshotCreation => KindWithContent::SnapshotCreation,
-                KindDump::UpgradeDatabase { from } => KindWithContent::UpgradeDatabase { from },
             },
         };
 

crates/index-scheduler/src/error.rs

@@ -127,8 +127,8 @@ pub enum Error {
         _ => format!("{error}")
     })]
     Milli { error: milli::Error, index_uid: Option<String> },
-    #[error("An unexpected crash occurred when processing the task: {0}")]
-    ProcessBatchPanicked(String),
+    #[error("An unexpected crash occurred when processing the task.")]
+    ProcessBatchPanicked,
     #[error(transparent)]
     FileStore(#[from] file_store::Error),
     #[error(transparent)]
@@ -147,9 +147,7 @@ pub enum Error {
     #[error("Corrupted task queue.")]
     CorruptedTaskQueue,
     #[error(transparent)]
-    DatabaseUpgrade(Box<Self>),
-    #[error(transparent)]
-    UnrecoverableError(Box<Self>),
+    TaskDatabaseUpdate(Box<Self>),
     #[error(transparent)]
     HeedTransaction(heed::Error),
 
@@ -196,7 +194,7 @@ impl Error {
             | Error::Dump(_)
             | Error::Heed(_)
             | Error::Milli { .. }
-            | Error::ProcessBatchPanicked(_)
+            | Error::ProcessBatchPanicked
             | Error::FileStore(_)
             | Error::IoError(_)
             | Error::Persist(_)
@@ -204,8 +202,7 @@ impl Error {
             | Error::Anyhow(_) => true,
             Error::CreateBatch(_)
             | Error::CorruptedTaskQueue
-            | Error::DatabaseUpgrade(_)
-            | Error::UnrecoverableError(_)
+            | Error::TaskDatabaseUpdate(_)
             | Error::HeedTransaction(_) => false,
             #[cfg(test)]
             Error::PlannedFailure => false,
@@ -257,7 +254,7 @@ impl ErrorCode for Error {
             Error::NoSpaceLeftInTaskQueue => Code::NoSpaceLeftOnDevice,
             Error::Dump(e) => e.error_code(),
             Error::Milli { error, .. } => error.error_code(),
-            Error::ProcessBatchPanicked(_) => Code::Internal,
+            Error::ProcessBatchPanicked => Code::Internal,
             Error::Heed(e) => e.error_code(),
             Error::HeedTransaction(e) => e.error_code(),
             Error::FileStore(e) => e.error_code(),
@@ -269,8 +266,7 @@ impl ErrorCode for Error {
             Error::Anyhow(_) => Code::Internal,
             Error::CorruptedTaskQueue => Code::Internal,
             Error::CorruptedDump => Code::Internal,
-            Error::DatabaseUpgrade(_) => Code::Internal,
-            Error::UnrecoverableError(_) => Code::Internal,
+            Error::TaskDatabaseUpdate(_) => Code::Internal,
             Error::CreateBatch(_) => Code::Internal,
 
             // This one should never be seen by the end user

crates/index-scheduler/src/features.rs

@@ -1,29 +1,18 @@
 use std::sync::{Arc, RwLock};
 
-use meilisearch_types::features::{InstanceTogglableFeatures, Network, RuntimeTogglableFeatures};
+use meilisearch_types::features::{InstanceTogglableFeatures, RuntimeTogglableFeatures};
 use meilisearch_types::heed::types::{SerdeJson, Str};
 use meilisearch_types::heed::{Database, Env, RwTxn};
 
 use crate::error::FeatureNotEnabledError;
 use crate::Result;
 
-/// The number of database used by features
-const NUMBER_OF_DATABASES: u32 = 1;
-/// Database const names for the `FeatureData`.
-mod db_name {
-    pub const EXPERIMENTAL_FEATURES: &str = "experimental-features";
-}
-
-mod db_keys {
-    pub const EXPERIMENTAL_FEATURES: &str = "experimental-features";
-    pub const NETWORK: &str = "network";
-}
+const EXPERIMENTAL_FEATURES: &str = "experimental-features";
 
 #[derive(Clone)]
 pub(crate) struct FeatureData {
     persisted: Database<Str, SerdeJson<RuntimeTogglableFeatures>>,
     runtime: Arc<RwLock<RuntimeTogglableFeatures>>,
-    network: Arc<RwLock<Network>>,
 }
 
 #[derive(Debug, Clone, Copy)]
@@ -92,36 +81,17 @@ impl RoFeatures {
             .into())
         }
     }
-
-    pub fn check_network(&self, disabled_action: &'static str) -> Result<()> {
-        if self.runtime.network {
-            Ok(())
-        } else {
-            Err(FeatureNotEnabledError {
-                disabled_action,
-                feature: "network",
-                issue_link: "https://github.com/orgs/meilisearch/discussions/805",
-            }
-            .into())
-        }
-    }
 }
 
 impl FeatureData {
-    pub(crate) const fn nb_db() -> u32 {
-        NUMBER_OF_DATABASES
-    }
-
-    pub fn new(
-        env: &Env,
-        wtxn: &mut RwTxn,
-        instance_features: InstanceTogglableFeatures,
-    ) -> Result<Self> {
-        let runtime_features_db =
-            env.create_database(wtxn, Some(db_name::EXPERIMENTAL_FEATURES))?;
+    pub fn new(env: &Env, instance_features: InstanceTogglableFeatures) -> Result<Self> {
+        let mut wtxn = env.write_txn()?;
+        let runtime_features_db = env.create_database(&mut wtxn, Some(EXPERIMENTAL_FEATURES))?;
+        wtxn.commit()?;
 
+        let txn = env.read_txn()?;
         let persisted_features: RuntimeTogglableFeatures =
-            runtime_features_db.get(wtxn, db_keys::EXPERIMENTAL_FEATURES)?.unwrap_or_default();
+            runtime_features_db.get(&txn, EXPERIMENTAL_FEATURES)?.unwrap_or_default();
         let InstanceTogglableFeatures { metrics, logs_route, contains_filter } = instance_features;
         let runtime = Arc::new(RwLock::new(RuntimeTogglableFeatures {
             metrics: metrics || persisted_features.metrics,
@@ -130,14 +100,7 @@ impl FeatureData {
             ..persisted_features
         }));
 
-        let network_db = runtime_features_db.remap_data_type::<SerdeJson<Network>>();
-        let network: Network = network_db.get(wtxn, db_keys::NETWORK)?.unwrap_or_default();
-
-        Ok(Self {
-            persisted: runtime_features_db,
-            runtime,
-            network: Arc::new(RwLock::new(network)),
-        })
+        Ok(Self { persisted: runtime_features_db, runtime })
     }
 
     pub fn put_runtime_features(
@@ -145,7 +108,7 @@ impl FeatureData {
         mut wtxn: RwTxn,
         features: RuntimeTogglableFeatures,
     ) -> Result<()> {
-        self.persisted.put(&mut wtxn, db_keys::EXPERIMENTAL_FEATURES, &features)?;
+        self.persisted.put(&mut wtxn, EXPERIMENTAL_FEATURES, &features)?;
         wtxn.commit()?;
 
         // safe to unwrap, the lock will only fail if:
@@ -166,21 +129,4 @@ impl FeatureData {
     pub fn features(&self) -> RoFeatures {
         RoFeatures::new(self)
     }
-
-    pub fn put_network(&self, mut wtxn: RwTxn, new_network: Network) -> Result<()> {
-        self.persisted.remap_data_type::<SerdeJson<Network>>().put(
-            &mut wtxn,
-            db_keys::NETWORK,
-            &new_network,
-        )?;
-        wtxn.commit()?;
-
-        let mut network = self.network.write().unwrap();
-        *network = new_network;
-        Ok(())
-    }
-
-    pub fn network(&self) -> Network {
-        Network::clone(&*self.network.read().unwrap())
-    }
 }

crates/index-scheduler/src/index_mapper/index_map.rs

@@ -1,7 +1,5 @@
 use std::collections::BTreeMap;
-use std::env::VarError;
 use std::path::Path;
-use std::str::FromStr;
 use std::time::Duration;
 
 use meilisearch_types::heed::{EnvClosingEvent, EnvFlags, EnvOpenOptions};
@@ -104,7 +102,7 @@ impl ReopenableIndex {
                 return Ok(());
             }
             map.unavailable.remove(&self.uuid);
-            map.create(&self.uuid, path, None, self.enable_mdb_writemap, self.map_size, false)?;
+            map.create(&self.uuid, path, None, self.enable_mdb_writemap, self.map_size)?;
         }
         Ok(())
     }
@@ -173,12 +171,11 @@ impl IndexMap {
         date: Option<(OffsetDateTime, OffsetDateTime)>,
         enable_mdb_writemap: bool,
         map_size: usize,
-        creation: bool,
     ) -> Result<Index> {
         if !matches!(self.get_unavailable(uuid), Missing) {
             panic!("Attempt to open an index that was unavailable");
         }
-        let index = create_or_open_index(path, date, enable_mdb_writemap, map_size, creation)?;
+        let index = create_or_open_index(path, date, enable_mdb_writemap, map_size)?;
         match self.available.insert(*uuid, index.clone()) {
             InsertionOutcome::InsertedNew => (),
             InsertionOutcome::Evicted(evicted_uuid, evicted_index) => {
@@ -302,30 +299,18 @@ fn create_or_open_index(
     date: Option<(OffsetDateTime, OffsetDateTime)>,
     enable_mdb_writemap: bool,
     map_size: usize,
-    creation: bool,
 ) -> Result<Index> {
     let mut options = EnvOpenOptions::new();
     options.map_size(clamp_to_page_size(map_size));
-
-    // You can find more details about this experimental
-    // environment variable on the following GitHub discussion:
-    // <https://github.com/orgs/meilisearch/discussions/806>
-    let max_readers = match std::env::var("MEILI_EXPERIMENTAL_INDEX_MAX_READERS") {
-        Ok(value) => u32::from_str(&value).unwrap(),
-        Err(VarError::NotPresent) => 1024,
-        Err(VarError::NotUnicode(value)) => panic!(
-            "Invalid unicode for the `MEILI_EXPERIMENTAL_INDEX_MAX_READERS` env var: {value:?}"
-        ),
-    };
-    options.max_readers(max_readers);
+    options.max_readers(1024);
     if enable_mdb_writemap {
         unsafe { options.flags(EnvFlags::WRITE_MAP) };
     }
 
     if let Some((created, updated)) = date {
-        Ok(Index::new_with_creation_dates(options, path, created, updated, creation)?)
+        Ok(Index::new_with_creation_dates(options, path, created, updated)?)
     } else {
-        Ok(Index::new(options, path, creation)?)
+        Ok(Index::new(options, path)?)
     }
 }
 

crates/index-scheduler/src/index_mapper/mod.rs

@@ -20,13 +20,8 @@ use crate::{Error, IndexBudget, IndexSchedulerOptions, Result};
 
 mod index_map;
 
-/// The number of database used by index mapper
-const NUMBER_OF_DATABASES: u32 = 2;
-/// Database const names for the `IndexMapper`.
-mod db_name {
-    pub const INDEX_MAPPING: &str = "index-mapping";
-    pub const INDEX_STATS: &str = "index-stats";
-}
+const INDEX_MAPPING: &str = "index-mapping";
+const INDEX_STATS: &str = "index-stats";
 
 /// Structure managing meilisearch's indexes.
 ///
@@ -143,10 +138,6 @@ impl IndexStats {
 }
 
 impl IndexMapper {
-    pub(crate) const fn nb_db() -> u32 {
-        NUMBER_OF_DATABASES
-    }
-
     pub fn new(
         env: &Env,
         wtxn: &mut RwTxn,
@@ -155,8 +146,8 @@ impl IndexMapper {
     ) -> Result<Self> {
         Ok(Self {
             index_map: Arc::new(RwLock::new(IndexMap::new(budget.index_count))),
-            index_mapping: env.create_database(wtxn, Some(db_name::INDEX_MAPPING))?,
-            index_stats: env.create_database(wtxn, Some(db_name::INDEX_STATS))?,
+            index_mapping: env.create_database(wtxn, Some(INDEX_MAPPING))?,
+            index_stats: env.create_database(wtxn, Some(INDEX_STATS))?,
             base_path: options.indexes_path.clone(),
             index_base_map_size: budget.map_size,
             index_growth_amount: options.index_growth_amount,
@@ -198,7 +189,6 @@ impl IndexMapper {
                         date,
                         self.enable_mdb_writemap,
                         self.index_base_map_size,
-                        true,
                     )
                     .map_err(|e| Error::from_milli(e, Some(uuid.to_string())))?;
                 let index_rtxn = index.read_txn()?;
@@ -397,7 +387,6 @@ impl IndexMapper {
                                     None,
                                     self.enable_mdb_writemap,
                                     self.index_base_map_size,
-                                    false,
                                 )
                                 .map_err(|e| Error::from_milli(e, Some(uuid.to_string())))?;
                         }

crates/index-scheduler/src/insta_snapshot.rs

@@ -1,12 +1,11 @@
 use std::collections::BTreeSet;
 use std::fmt::Write;
 
-use meilisearch_types::batches::{Batch, BatchEnqueuedAt};
+use meilisearch_types::batches::Batch;
 use meilisearch_types::heed::types::{SerdeBincode, SerdeJson, Str};
 use meilisearch_types::heed::{Database, RoTxn};
 use meilisearch_types::milli::{CboRoaringBitmapCodec, RoaringBitmapCodec, BEU32};
 use meilisearch_types::tasks::{Details, Kind, Status, Task};
-use meilisearch_types::versioning;
 use roaring::RoaringBitmap;
 
 use crate::index_mapper::IndexMapper;
@@ -22,7 +21,6 @@ pub fn snapshot_index_scheduler(scheduler: &IndexScheduler) -> String {
         cleanup_enabled: _,
         processing_tasks,
         env,
-        version,
         queue,
         scheduler,
 
@@ -40,16 +38,6 @@ pub fn snapshot_index_scheduler(scheduler: &IndexScheduler) -> String {
 
     let mut snap = String::new();
 
-    let indx_sched_version = version.get_version(&rtxn).unwrap();
-    let latest_version = (
-        versioning::VERSION_MAJOR.parse().unwrap(),
-        versioning::VERSION_MINOR.parse().unwrap(),
-        versioning::VERSION_PATCH.parse().unwrap(),
-    );
-    if indx_sched_version != Some(latest_version) {
-        snap.push_str(&format!("index scheduler running on version {indx_sched_version:?}\n"));
-    }
-
     let processing = processing_tasks.read().unwrap().clone();
     snap.push_str(&format!("### Autobatching Enabled = {}\n", scheduler.autobatching_enabled));
     snap.push_str(&format!(
@@ -291,9 +279,6 @@ fn snapshot_details(d: &Details) -> String {
         Details::IndexSwap { swaps } => {
             format!("{{ swaps: {swaps:?} }}")
         }
-        Details::UpgradeDatabase { from, to } => {
-            format!("{{ from: {from:?}, to: {to:?} }}")
-        }
     }
 }
 
@@ -341,14 +326,10 @@ pub fn snapshot_canceled_by(rtxn: &RoTxn, db: Database<BEU32, RoaringBitmapCodec
 
 pub fn snapshot_batch(batch: &Batch) -> String {
     let mut snap = String::new();
-    let Batch { uid, details, stats, started_at, finished_at, progress: _, enqueued_at } = batch;
+    let Batch { uid, details, stats, started_at, finished_at, progress: _ } = batch;
     if let Some(finished_at) = finished_at {
         assert!(finished_at > started_at);
     }
-    let BatchEnqueuedAt { earliest, oldest } = enqueued_at.unwrap();
-    assert!(*started_at > earliest);
-    assert!(earliest >= oldest);
-
     snap.push('{');
     snap.push_str(&format!("uid: {uid}, "));
     snap.push_str(&format!("details: {}, ", serde_json::to_string(details).unwrap()));

crates/index-scheduler/src/lib.rs

@@ -30,10 +30,8 @@ mod queue;
 mod scheduler;
 #[cfg(test)]
 mod test_utils;
-pub mod upgrade;
 mod utils;
 pub mod uuid_codec;
-mod versioning;
 
 pub type Result<T, E = Error> = std::result::Result<T, E>;
 pub type TaskId = u32;
@@ -51,7 +49,7 @@ pub use features::RoFeatures;
 use flate2::bufread::GzEncoder;
 use flate2::Compression;
 use meilisearch_types::batches::Batch;
-use meilisearch_types::features::{InstanceTogglableFeatures, Network, RuntimeTogglableFeatures};
+use meilisearch_types::features::{InstanceTogglableFeatures, RuntimeTogglableFeatures};
 use meilisearch_types::heed::byteorder::BE;
 use meilisearch_types::heed::types::I128;
 use meilisearch_types::heed::{self, Env, RoTxn};
@@ -67,7 +65,6 @@ use queue::Queue;
 use roaring::RoaringBitmap;
 use scheduler::Scheduler;
 use time::OffsetDateTime;
-use versioning::Versioning;
 
 use crate::index_mapper::IndexMapper;
 use crate::utils::clamp_to_page_size;
@@ -123,8 +120,6 @@ pub struct IndexSchedulerOptions {
     pub batched_tasks_size_limit: u64,
     /// The experimental features enabled for this instance.
     pub instance_features: InstanceTogglableFeatures,
-    /// The experimental features enabled for this instance.
-    pub auto_upgrade: bool,
 }
 
 /// Structure which holds meilisearch's indexes and schedules the tasks
@@ -136,18 +131,17 @@ pub struct IndexScheduler {
     /// The list of tasks currently processing
     pub(crate) processing_tasks: Arc<RwLock<ProcessingTasks>>,
 
-    /// A database containing only the version of the index-scheduler
-    pub version: versioning::Versioning,
     /// The queue containing both the tasks and the batches.
     pub queue: queue::Queue,
+
+    pub scheduler: scheduler::Scheduler,
+
     /// In charge of creating, opening, storing and returning indexes.
     pub(crate) index_mapper: IndexMapper,
+
     /// In charge of fetching and setting the status of experimental features.
     features: features::FeatureData,
 
-    /// Everything related to the processing of the tasks
-    pub scheduler: scheduler::Scheduler,
-
     /// Whether we should automatically cleanup the task queue or not.
     pub(crate) cleanup_enabled: bool,
 
@@ -182,7 +176,6 @@ impl IndexScheduler {
         IndexScheduler {
             env: self.env.clone(),
             processing_tasks: self.processing_tasks.clone(),
-            version: self.version.clone(),
             queue: self.queue.private_clone(),
             scheduler: self.scheduler.private_clone(),
 
@@ -201,15 +194,10 @@ impl IndexScheduler {
         }
     }
 
-    pub(crate) const fn nb_db() -> u32 {
-        Versioning::nb_db() + Queue::nb_db() + IndexMapper::nb_db() + features::FeatureData::nb_db()
-    }
-
     /// Create an index scheduler and start its run loop.
     #[allow(private_interfaces)] // because test_utils is private
     pub fn new(
         options: IndexSchedulerOptions,
-        from_db_version: (u32, u32, u32),
         #[cfg(test)] test_breakpoint_sdr: crossbeam_channel::Sender<(test_utils::Breakpoint, bool)>,
         #[cfg(test)] planned_failures: Vec<(usize, test_utils::FailureLocation)>,
     ) -> Result<Self> {
@@ -241,16 +229,14 @@ impl IndexScheduler {
 
         let env = unsafe {
             heed::EnvOpenOptions::new()
-                .max_dbs(Self::nb_db())
+                .max_dbs(19)
                 .map_size(budget.task_db_size)
                 .open(&options.tasks_path)
         }?;
 
-        // We **must** starts by upgrading the version because it'll also upgrade the required database before we can open them
-        let version = versioning::Versioning::new(&env, from_db_version)?;
+        let features = features::FeatureData::new(&env, options.instance_features)?;
 
         let mut wtxn = env.write_txn()?;
-        let features = features::FeatureData::new(&env, &mut wtxn, options.instance_features)?;
         let queue = Queue::new(&env, &mut wtxn, &options)?;
         let index_mapper = IndexMapper::new(&env, &mut wtxn, &options, budget)?;
         wtxn.commit()?;
@@ -258,7 +244,6 @@ impl IndexScheduler {
         // allow unreachable_code to get rids of the warning in the case of a test build.
         let this = Self {
             processing_tasks: Arc::new(RwLock::new(ProcessingTasks::new())),
-            version,
             queue,
             scheduler: Scheduler::new(&options),
 
@@ -381,7 +366,6 @@ impl IndexScheduler {
                     match ret {
                         Ok(Ok(TickOutcome::TickAgain(_))) => (),
                         Ok(Ok(TickOutcome::WaitForSignal)) => run.scheduler.wake_up.wait(),
-                        Ok(Ok(TickOutcome::StopProcessingForever)) => break,
                         Ok(Err(e)) => {
                             tracing::error!("{e}");
                             // Wait one second when an irrecoverable error occurs.
@@ -770,16 +754,7 @@ impl IndexScheduler {
         Ok(())
     }
 
-    pub fn put_network(&self, network: Network) -> Result<()> {
-        let wtxn = self.env.write_txn().map_err(Error::HeedTransaction)?;
-        self.features.put_network(wtxn, network)?;
-        Ok(())
-    }
-
-    pub fn network(&self) -> Network {
-        self.features.network()
-    }
-
+    // TODO: consider using a type alias or a struct embedder/template
     pub fn embedders(
         &self,
         index_uid: String,
@@ -838,8 +813,6 @@ pub enum TickOutcome {
     TickAgain(u64),
     /// The scheduler should wait for an external signal before attempting another `tick`.
     WaitForSignal,
-    /// The scheduler exits the run-loop and will never process tasks again
-    StopProcessingForever,
 }
 
 /// How many indexes we can afford to have open simultaneously.

crates/index-scheduler/src/processing.rs

@@ -1,6 +1,8 @@
+use std::borrow::Cow;
 use std::sync::Arc;
 
-use meilisearch_types::milli::progress::{AtomicSubStep, NamedStep, Progress, ProgressView};
+use enum_iterator::Sequence;
+use meilisearch_types::milli::progress::{AtomicSubStep, NamedStep, Progress, ProgressView, Step};
 use meilisearch_types::milli::{make_atomic_progress, make_enum_progress};
 use roaring::RoaringBitmap;
 
@@ -171,6 +173,32 @@ make_atomic_progress!(Document alias AtomicDocumentStep => "document" );
 make_atomic_progress!(Batch alias AtomicBatchStep => "batch" );
 make_atomic_progress!(UpdateFile alias AtomicUpdateFileStep => "update file" );
 
+pub struct VariableNameStep {
+    name: String,
+    current: u32,
+    total: u32,
+}
+
+impl VariableNameStep {
+    pub fn new(name: impl Into<String>, current: u32, total: u32) -> Self {
+        Self { name: name.into(), current, total }
+    }
+}
+
+impl Step for VariableNameStep {
+    fn name(&self) -> Cow<'static, str> {
+        self.name.clone().into()
+    }
+
+    fn current(&self) -> u32 {
+        self.current
+    }
+
+    fn total(&self) -> u32 {
+        self.total
+    }
+}
+
 #[cfg(test)]
 mod test {
     use std::sync::atomic::Ordering;

crates/index-scheduler/src/queue/batches.rs

@@ -1,4 +1,3 @@
-use std::collections::HashSet;
 use std::ops::{Bound, RangeBounds};
 
 use meilisearch_types::batches::{Batch, BatchId};
@@ -11,14 +10,9 @@ use time::OffsetDateTime;
 
 use super::{Query, Queue};
 use crate::processing::ProcessingTasks;
-use crate::utils::{
-    insert_task_datetime, keep_ids_within_datetimes, map_bound,
-    remove_n_tasks_datetime_earlier_than, remove_task_datetime, ProcessingBatch,
-};
+use crate::utils::{insert_task_datetime, keep_ids_within_datetimes, map_bound, ProcessingBatch};
 use crate::{Error, Result, BEI128};
 
-/// The number of database used by the batch queue
-const NUMBER_OF_DATABASES: u32 = 7;
 /// Database const names for the `IndexScheduler`.
 mod db_name {
     pub const ALL_BATCHES: &str = "all-batches";
@@ -62,10 +56,6 @@ impl BatchQueue {
         }
     }
 
-    pub(crate) const fn nb_db() -> u32 {
-        NUMBER_OF_DATABASES
-    }
-
     pub(super) fn new(env: &Env, wtxn: &mut RwTxn) -> Result<Self> {
         Ok(Self {
             all_batches: env.create_database(wtxn, Some(db_name::ALL_BATCHES))?,
@@ -169,8 +159,6 @@ impl BatchQueue {
     }
 
     pub(crate) fn write_batch(&self, wtxn: &mut RwTxn, batch: ProcessingBatch) -> Result<()> {
-        let old_batch = self.all_batches.get(wtxn, &batch.uid)?;
-
         self.all_batches.put(
             wtxn,
             &batch.uid,
@@ -181,86 +169,32 @@ impl BatchQueue {
                 stats: batch.stats,
                 started_at: batch.started_at,
                 finished_at: batch.finished_at,
-                enqueued_at: batch.enqueued_at,
             },
         )?;
 
-        // Update the statuses
-        if let Some(ref old_batch) = old_batch {
-            for status in old_batch.stats.status.keys() {
-                self.update_status(wtxn, *status, |bitmap| {
-                    bitmap.remove(batch.uid);
-                })?;
-            }
-        }
         for status in batch.statuses {
             self.update_status(wtxn, status, |bitmap| {
                 bitmap.insert(batch.uid);
             })?;
         }
 
-        // Update the kinds / types
-        if let Some(ref old_batch) = old_batch {
-            let kinds: HashSet<_> = old_batch.stats.types.keys().cloned().collect();
-            for kind in kinds.difference(&batch.kinds) {
-                self.update_kind(wtxn, *kind, |bitmap| {
-                    bitmap.remove(batch.uid);
-                })?;
-            }
-        }
         for kind in batch.kinds {
             self.update_kind(wtxn, kind, |bitmap| {
                 bitmap.insert(batch.uid);
             })?;
         }
 
-        // Update the indexes
-        if let Some(ref old_batch) = old_batch {
-            let indexes: HashSet<_> = old_batch.stats.index_uids.keys().cloned().collect();
-            for index in indexes.difference(&batch.indexes) {
-                self.update_index(wtxn, index, |bitmap| {
-                    bitmap.remove(batch.uid);
-                })?;
-            }
-        }
         for index in batch.indexes {
             self.update_index(wtxn, &index, |bitmap| {
                 bitmap.insert(batch.uid);
             })?;
         }
 
-        // Update the enqueued_at: we cannot retrieve the previous enqueued at from the previous batch, and
-        // must instead go through the db looking for it. We cannot look at the task contained in this batch either
-        // because they may have been removed.
-        // What we know, though, is that the task date is from before the enqueued_at, and max two timestamps have been written
-        // to the DB per batches.
-        if let Some(ref old_batch) = old_batch {
-            if let Some(enqueued_at) = old_batch.enqueued_at {
-                remove_task_datetime(wtxn, self.enqueued_at, enqueued_at.earliest, old_batch.uid)?;
-                remove_task_datetime(wtxn, self.enqueued_at, enqueued_at.oldest, old_batch.uid)?;
-            } else {
-                // If we don't have the enqueued at in the batch it means the database comes from the v1.12
-                // and we still need to find the date by scrolling the database
-                remove_n_tasks_datetime_earlier_than(
-                    wtxn,
-                    self.enqueued_at,
-                    old_batch.started_at,
-                    old_batch.stats.total_nb_tasks.clamp(1, 2) as usize,
-                    old_batch.uid,
-                )?;
-            }
+        if let Some(enqueued_at) = batch.oldest_enqueued_at {
+            insert_task_datetime(wtxn, self.enqueued_at, enqueued_at, batch.uid)?;
         }
-        // A finished batch MUST contains at least one task and have an enqueued_at
-        let enqueued_at = batch.enqueued_at.as_ref().unwrap();
-        insert_task_datetime(wtxn, self.enqueued_at, enqueued_at.earliest, batch.uid)?;
-        insert_task_datetime(wtxn, self.enqueued_at, enqueued_at.oldest, batch.uid)?;
-
-        // Update the started at and finished at
-        if let Some(ref old_batch) = old_batch {
-            remove_task_datetime(wtxn, self.started_at, old_batch.started_at, old_batch.uid)?;
-            if let Some(finished_at) = old_batch.finished_at {
-                remove_task_datetime(wtxn, self.finished_at, finished_at, old_batch.uid)?;
-            }
+        if let Some(enqueued_at) = batch.earliest_enqueued_at {
+            insert_task_datetime(wtxn, self.enqueued_at, enqueued_at, batch.uid)?;
         }
         insert_task_datetime(wtxn, self.started_at, batch.started_at, batch.uid)?;
         insert_task_datetime(wtxn, self.finished_at, batch.finished_at.unwrap(), batch.uid)?;

crates/index-scheduler/src/queue/batches_test.rs

@@ -102,33 +102,30 @@ fn query_batches_simple() {
         .unwrap();
     assert_eq!(batches.len(), 1);
     batches[0].started_at = OffsetDateTime::UNIX_EPOCH;
-    assert!(batches[0].enqueued_at.is_some());
-    batches[0].enqueued_at = None;
     // Insta cannot snapshot our batches because the batch stats contains an enum as key: https://github.com/mitsuhiko/insta/issues/689
     let batch = serde_json::to_string_pretty(&batches[0]).unwrap();
     snapshot!(batch, @r#"
-    {
-      "uid": 0,
-      "details": {
-        "primaryKey": "mouse"
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "processing": 1
-        },
-        "types": {
-          "indexCreation": 1
-        },
-        "indexUids": {
-          "catto": 1
+        {
+          "uid": 0,
+          "details": {
+            "primaryKey": "mouse"
+          },
+          "stats": {
+            "totalNbTasks": 1,
+            "status": {
+              "processing": 1
+            },
+            "types": {
+              "indexCreation": 1
+            },
+            "indexUids": {
+              "catto": 1
+            }
+          },
+          "startedAt": "1970-01-01T00:00:00Z",
+          "finishedAt": null
         }
-      },
-      "startedAt": "1970-01-01T00:00:00Z",
-      "finishedAt": null,
-      "enqueuedAt": null
-    }
-    "#);
+        "#);
 
     let query = Query { statuses: Some(vec![Status::Enqueued]), ..Default::default() };
     let (batches, _) = index_scheduler

crates/index-scheduler/src/queue/mod.rs

@@ -20,16 +20,14 @@ use time::format_description::well_known::Rfc3339;
 use time::OffsetDateTime;
 use uuid::Uuid;
 
-pub(crate) use self::batches::BatchQueue;
-pub(crate) use self::tasks::TaskQueue;
+use self::batches::BatchQueue;
+use self::tasks::TaskQueue;
 use crate::processing::ProcessingTasks;
 use crate::utils::{
     check_index_swap_validity, filter_out_references_to_newer_tasks, ProcessingBatch,
 };
 use crate::{Error, IndexSchedulerOptions, Result, TaskId};
 
-/// The number of database used by queue itself
-const NUMBER_OF_DATABASES: u32 = 1;
 /// Database const names for the `IndexScheduler`.
 mod db_name {
     pub const BATCH_TO_TASKS_MAPPING: &str = "batch-to-tasks-mapping";
@@ -150,10 +148,6 @@ impl Queue {
         }
     }
 
-    pub(crate) const fn nb_db() -> u32 {
-        tasks::TaskQueue::nb_db() + batches::BatchQueue::nb_db() + NUMBER_OF_DATABASES
-    }
-
     /// Create an index scheduler and start its run loop.
     pub(crate) fn new(
         env: &Env,

crates/index-scheduler/src/queue/tasks.rs

@@ -9,17 +9,12 @@ use time::OffsetDateTime;
 
 use super::{Query, Queue};
 use crate::processing::ProcessingTasks;
-use crate::utils::{
-    self, insert_task_datetime, keep_ids_within_datetimes, map_bound, remove_task_datetime,
-};
+use crate::utils::{self, insert_task_datetime, keep_ids_within_datetimes, map_bound};
 use crate::{Error, Result, TaskId, BEI128};
 
-/// The number of database used by the task queue
-const NUMBER_OF_DATABASES: u32 = 8;
 /// Database const names for the `IndexScheduler`.
 mod db_name {
     pub const ALL_TASKS: &str = "all-tasks";
-
     pub const STATUS: &str = "status";
     pub const KIND: &str = "kind";
     pub const INDEX_TASKS: &str = "index-tasks";
@@ -64,11 +59,7 @@ impl TaskQueue {
         }
     }
 
-    pub(crate) const fn nb_db() -> u32 {
-        NUMBER_OF_DATABASES
-    }
-
-    pub(crate) fn new(env: &Env, wtxn: &mut RwTxn) -> Result<Self> {
+    pub(super) fn new(env: &Env, wtxn: &mut RwTxn) -> Result<Self> {
         Ok(Self {
             all_tasks: env.create_database(wtxn, Some(db_name::ALL_TASKS))?,
             status: env.create_database(wtxn, Some(db_name::STATUS))?,
@@ -99,14 +90,12 @@ impl TaskQueue {
 
     pub(crate) fn update_task(&self, wtxn: &mut RwTxn, task: &Task) -> Result<()> {
         let old_task = self.get_task(wtxn, task.uid)?.ok_or(Error::CorruptedTaskQueue)?;
-        let reprocessing = old_task.status != Status::Enqueued;
 
         debug_assert!(old_task != *task);
         debug_assert_eq!(old_task.uid, task.uid);
-
-        // If we're processing a task that failed it may already contains a batch_uid
+        debug_assert!(old_task.batch_uid.is_none() && task.batch_uid.is_some());
         debug_assert!(
-            reprocessing || (old_task.batch_uid.is_none() && task.batch_uid.is_some()),
+            old_task.batch_uid.is_none() && task.batch_uid.is_some(),
             "\n==> old: {old_task:?}\n==> new: {task:?}"
         );
 
@@ -133,25 +122,13 @@ impl TaskQueue {
             "Cannot update a task's enqueued_at time"
         );
         if old_task.started_at != task.started_at {
-            assert!(
-                reprocessing || old_task.started_at.is_none(),
-                "Cannot update a task's started_at time"
-            );
-            if let Some(started_at) = old_task.started_at {
-                remove_task_datetime(wtxn, self.started_at, started_at, task.uid)?;
-            }
+            assert!(old_task.started_at.is_none(), "Cannot update a task's started_at time");
             if let Some(started_at) = task.started_at {
                 insert_task_datetime(wtxn, self.started_at, started_at, task.uid)?;
             }
         }
         if old_task.finished_at != task.finished_at {
-            assert!(
-                reprocessing || old_task.finished_at.is_none(),
-                "Cannot update a task's finished_at time"
-            );
-            if let Some(finished_at) = old_task.finished_at {
-                remove_task_datetime(wtxn, self.finished_at, finished_at, task.uid)?;
-            }
+            assert!(old_task.finished_at.is_none(), "Cannot update a task's finished_at time");
             if let Some(finished_at) = task.finished_at {
                 insert_task_datetime(wtxn, self.finished_at, finished_at, task.uid)?;
             }

crates/index-scheduler/src/queue/test.rs

@@ -165,7 +165,6 @@ fn test_disable_auto_deletion_of_tasks() {
     let (index_scheduler, mut handle) = IndexScheduler::test_with_custom_config(vec![], |config| {
         config.cleanup_enabled = false;
         config.max_number_of_tasks = 2;
-        None
     });
 
     index_scheduler
@@ -229,7 +228,6 @@ fn test_disable_auto_deletion_of_tasks() {
 fn test_auto_deletion_of_tasks() {
     let (index_scheduler, mut handle) = IndexScheduler::test_with_custom_config(vec![], |config| {
         config.max_number_of_tasks = 2;
-        None
     });
 
     index_scheduler
@@ -326,8 +324,7 @@ fn test_auto_deletion_of_tasks() {
 fn test_task_queue_is_full() {
     let (index_scheduler, mut handle) = IndexScheduler::test_with_custom_config(vec![], |config| {
         // that's the minimum map size possible
-        config.task_db_size = 1048576 * 3;
-        None
+        config.task_db_size = 1048576;
     });
 
     index_scheduler

crates/index-scheduler/src/scheduler/autobatcher.rs

@@ -85,7 +85,6 @@ impl From<KindWithContent> for AutobatchKind {
             KindWithContent::TaskCancelation { .. }
             | KindWithContent::TaskDeletion { .. }
             | KindWithContent::DumpCreation { .. }
-            | KindWithContent::UpgradeDatabase { .. }
             | KindWithContent::SnapshotCreation => {
                 panic!("The autobatcher should never be called with tasks that don't apply to an index.")
             }

crates/index-scheduler/src/scheduler/create_batch.rs

@@ -47,9 +47,6 @@ pub(crate) enum Batch {
     IndexSwap {
         task: Task,
     },
-    UpgradeDatabase {
-        tasks: Vec<Task>,
-    },
 }
 
 #[derive(Debug)]
@@ -108,7 +105,6 @@ impl Batch {
             }
             Batch::SnapshotCreation(tasks)
             | Batch::TaskDeletions(tasks)
-            | Batch::UpgradeDatabase { tasks }
             | Batch::IndexDeletion { tasks, .. } => {
                 RoaringBitmap::from_iter(tasks.iter().map(|task| task.uid))
             }
@@ -142,7 +138,6 @@ impl Batch {
             | TaskDeletions(_)
             | SnapshotCreation(_)
             | Dump(_)
-            | UpgradeDatabase { .. }
             | IndexSwap { .. } => None,
             IndexOperation { op, .. } => Some(op.index_uid()),
             IndexCreation { index_uid, .. }
@@ -167,7 +162,6 @@ impl fmt::Display for Batch {
             Batch::IndexUpdate { .. } => f.write_str("IndexUpdate")?,
             Batch::IndexDeletion { .. } => f.write_str("IndexDeletion")?,
             Batch::IndexSwap { .. } => f.write_str("IndexSwap")?,
-            Batch::UpgradeDatabase { .. } => f.write_str("UpgradeDatabase")?,
         };
         match index_uid {
             Some(name) => f.write_fmt(format_args!(" on {name:?} from tasks: {tasks:?}")),
@@ -433,24 +427,9 @@ impl IndexScheduler {
         let mut current_batch = ProcessingBatch::new(batch_id);
 
         let enqueued = &self.queue.tasks.get_status(rtxn, Status::Enqueued)?;
-        let failed = &self.queue.tasks.get_status(rtxn, Status::Failed)?;
-
-        // 0. The priority over everything is to upgrade the instance
-        // There shouldn't be multiple upgrade tasks but just in case we're going to batch all of them at the same time
-        let upgrade = self.queue.tasks.get_kind(rtxn, Kind::UpgradeDatabase)? & (enqueued | failed);
-        if !upgrade.is_empty() {
-            let mut tasks = self.queue.tasks.get_existing_tasks(rtxn, upgrade)?;
-            // In the case of an upgrade database batch, we want to find back the original batch that tried processing it
-            // and re-use its id
-            if let Some(batch_uid) = tasks.last().unwrap().batch_uid {
-                current_batch.uid = batch_uid;
-            }
-            current_batch.processing(&mut tasks);
-            return Ok(Some((Batch::UpgradeDatabase { tasks }, current_batch)));
-        }
+        let to_cancel = self.queue.tasks.get_kind(rtxn, Kind::TaskCancelation)? & enqueued;
 
         // 1. we get the last task to cancel.
-        let to_cancel = self.queue.tasks.get_kind(rtxn, Kind::TaskCancelation)? & enqueued;
         if let Some(task_id) = to_cancel.max() {
             let mut task =
                 self.queue.tasks.get_task(rtxn, task_id)?.ok_or(Error::CorruptedTaskQueue)?;

crates/index-scheduler/src/scheduler/mod.rs

@@ -6,7 +6,6 @@ mod process_batch;
 mod process_dump_creation;
 mod process_index_operation;
 mod process_snapshot_creation;
-mod process_upgrade;
 #[cfg(test)]
 mod test;
 #[cfg(test)]
@@ -166,41 +165,13 @@ impl IndexScheduler {
             let processing_batch = &mut processing_batch;
             let progress = progress.clone();
             std::thread::scope(|s| {
-                let p = progress.clone();
                 let handle = std::thread::Builder::new()
                     .name(String::from("batch-operation"))
                     .spawn_scoped(s, move || {
-                        cloned_index_scheduler.process_batch(batch, processing_batch, p)
+                        cloned_index_scheduler.process_batch(batch, processing_batch, progress)
                     })
                     .unwrap();
-
-                match handle.join() {
-                    Ok(ret) => {
-                        if ret.is_err() {
-                            if let Ok(progress_view) =
-                                serde_json::to_string(&progress.as_progress_view())
-                            {
-                                tracing::warn!("Batch failed while doing: {progress_view}")
-                            }
-                        }
-                        ret
-                    }
-                    Err(panic) => {
-                        if let Ok(progress_view) =
-                            serde_json::to_string(&progress.as_progress_view())
-                        {
-                            tracing::warn!("Batch failed while doing: {progress_view}")
-                        }
-                        let msg = match panic.downcast_ref::<&'static str>() {
-                            Some(s) => *s,
-                            None => match panic.downcast_ref::<String>() {
-                                Some(s) => &s[..],
-                                None => "Box<dyn Any>",
-                            },
-                        };
-                        Err(Error::ProcessBatchPanicked(msg.to_string()))
-                    }
-                }
+                handle.join().unwrap_or(Err(Error::ProcessBatchPanicked))
             })
         };
 
@@ -212,7 +183,6 @@ impl IndexScheduler {
 
         progress.update_progress(BatchProgress::WritingTasksToDisk);
         processing_batch.finished();
-        let mut stop_scheduler_forever = false;
         let mut wtxn = self.env.write_txn().map_err(Error::HeedTransaction)?;
         let mut canceled = RoaringBitmap::new();
 
@@ -251,7 +221,7 @@ impl IndexScheduler {
                     self.queue
                         .tasks
                         .update_task(&mut wtxn, &task)
-                        .map_err(|e| Error::UnrecoverableError(Box::new(e)))?;
+                        .map_err(|e| Error::TaskDatabaseUpdate(Box::new(e)))?;
                 }
                 if let Some(canceled_by) = canceled_by {
                     self.queue.tasks.canceled_by.put(&mut wtxn, &canceled_by, &canceled)?;
@@ -302,12 +272,6 @@ impl IndexScheduler {
                 let (task_progress, task_progress_obj) = AtomicTaskStep::new(ids.len() as u32);
                 progress.update_progress(task_progress_obj);
 
-                if matches!(err, Error::DatabaseUpgrade(_)) {
-                    tracing::error!(
-                        "Upgrade task failed, tasks won't be processed until the following issue is fixed: {err}"
-                    );
-                    stop_scheduler_forever = true;
-                }
                 let error: ResponseError = err.into();
                 for id in ids.iter() {
                     task_progress.fetch_add(1, Ordering::Relaxed);
@@ -315,7 +279,7 @@ impl IndexScheduler {
                         .queue
                         .tasks
                         .get_task(&wtxn, id)
-                        .map_err(|e| Error::UnrecoverableError(Box::new(e)))?
+                        .map_err(|e| Error::TaskDatabaseUpdate(Box::new(e)))?
                         .ok_or(Error::CorruptedTaskQueue)?;
                     task.status = Status::Failed;
                     task.error = Some(error.clone());
@@ -332,7 +296,7 @@ impl IndexScheduler {
                     self.queue
                         .tasks
                         .update_task(&mut wtxn, &task)
-                        .map_err(|e| Error::UnrecoverableError(Box::new(e)))?;
+                        .map_err(|e| Error::TaskDatabaseUpdate(Box::new(e)))?;
                 }
             }
         }
@@ -362,7 +326,7 @@ impl IndexScheduler {
                     .queue
                     .tasks
                     .get_task(&rtxn, id)
-                    .map_err(|e| Error::UnrecoverableError(Box::new(e)))?
+                    .map_err(|e| Error::TaskDatabaseUpdate(Box::new(e)))?
                     .ok_or(Error::CorruptedTaskQueue)?;
                 if let Err(e) = self.queue.delete_persisted_task_data(&task) {
                     tracing::error!(
@@ -380,10 +344,6 @@ impl IndexScheduler {
         #[cfg(test)]
         self.breakpoint(crate::test_utils::Breakpoint::AfterProcessing);
 
-        if stop_scheduler_forever {
-            Ok(TickOutcome::StopProcessingForever)
-        } else {
-            Ok(TickOutcome::TickAgain(processed_tasks))
-        }
+        Ok(TickOutcome::TickAgain(processed_tasks))
     }
 }

crates/index-scheduler/src/scheduler/process_batch.rs

@@ -1,10 +1,9 @@
 use std::collections::{BTreeSet, HashMap, HashSet};
-use std::panic::{catch_unwind, AssertUnwindSafe};
 use std::sync::atomic::Ordering;
 
-use meilisearch_types::batches::{BatchEnqueuedAt, BatchId};
+use meilisearch_types::batches::BatchId;
 use meilisearch_types::heed::{RoTxn, RwTxn};
-use meilisearch_types::milli::progress::{Progress, VariableNameStep};
+use meilisearch_types::milli::progress::Progress;
 use meilisearch_types::milli::{self};
 use meilisearch_types::tasks::{Details, IndexSwap, KindWithContent, Status, Task};
 use milli::update::Settings as MilliSettings;
@@ -14,12 +13,9 @@ use super::create_batch::Batch;
 use crate::processing::{
     AtomicBatchStep, AtomicTaskStep, CreateIndexProgress, DeleteIndexProgress,
     InnerSwappingTwoIndexes, SwappingTheIndexes, TaskCancelationProgress, TaskDeletionProgress,
-    UpdateIndexProgress,
-};
-use crate::utils::{
-    self, remove_n_tasks_datetime_earlier_than, remove_task_datetime, swap_index_uid_in_task,
-    ProcessingBatch,
+    UpdateIndexProgress, VariableNameStep,
 };
+use crate::utils::{self, swap_index_uid_in_task, ProcessingBatch};
 use crate::{Error, IndexScheduler, Result, TaskId};
 
 impl IndexScheduler {
@@ -301,7 +297,7 @@ impl IndexScheduler {
                 }
                 progress.update_progress(SwappingTheIndexes::SwappingTheIndexes);
                 for (step, swap) in swaps.iter().enumerate() {
-                    progress.update_progress(VariableNameStep::<SwappingTheIndexes>::new(
+                    progress.update_progress(VariableNameStep::new(
                         format!("swapping index {} and {}", swap.indexes.0, swap.indexes.1),
                         step as u32,
                         swaps.len() as u32,
@@ -318,36 +314,6 @@ impl IndexScheduler {
                 task.status = Status::Succeeded;
                 Ok(vec![task])
             }
-            Batch::UpgradeDatabase { mut tasks } => {
-                let KindWithContent::UpgradeDatabase { from } = tasks.last().unwrap().kind else {
-                    unreachable!();
-                };
-                let ret = catch_unwind(AssertUnwindSafe(|| self.process_upgrade(from, progress)));
-                match ret {
-                    Ok(Ok(())) => (),
-                    Ok(Err(e)) => return Err(Error::DatabaseUpgrade(Box::new(e))),
-                    Err(e) => {
-                        let msg = match e.downcast_ref::<&'static str>() {
-                            Some(s) => *s,
-                            None => match e.downcast_ref::<String>() {
-                                Some(s) => &s[..],
-                                None => "Box<dyn Any>",
-                            },
-                        };
-                        return Err(Error::DatabaseUpgrade(Box::new(Error::ProcessBatchPanicked(
-                            msg.to_string(),
-                        ))));
-                    }
-                }
-
-                for task in tasks.iter_mut() {
-                    task.status = Status::Succeeded;
-                    // Since this task can be retried we must reset its error status
-                    task.error = None;
-                }
-
-                Ok(tasks)
-            }
         }
     }
 
@@ -430,6 +396,7 @@ impl IndexScheduler {
         to_delete_tasks -= &enqueued_tasks;
 
         // 2. We now have a list of tasks to delete, delete them
+
         let mut affected_indexes = HashSet::new();
         let mut affected_statuses = HashSet::new();
         let mut affected_kinds = HashSet::new();
@@ -526,51 +493,9 @@ impl IndexScheduler {
                 tasks -= &to_delete_tasks;
                 // We must remove the batch entirely
                 if tasks.is_empty() {
-                    if let Some(batch) = self.queue.batches.get_batch(wtxn, batch_id)? {
-                        if let Some(BatchEnqueuedAt { earliest, oldest }) = batch.enqueued_at {
-                            remove_task_datetime(
-                                wtxn,
-                                self.queue.batches.enqueued_at,
-                                earliest,
-                                batch_id,
-                            )?;
-                            remove_task_datetime(
-                                wtxn,
-                                self.queue.batches.enqueued_at,
-                                oldest,
-                                batch_id,
-                            )?;
-                        } else {
-                            // If we don't have the enqueued at in the batch it means the database comes from the v1.12
-                            // and we still need to find the date by scrolling the database
-                            remove_n_tasks_datetime_earlier_than(
-                                wtxn,
-                                self.queue.batches.enqueued_at,
-                                batch.started_at,
-                                batch.stats.total_nb_tasks.clamp(1, 2) as usize,
-                                batch_id,
-                            )?;
-                        }
-                        remove_task_datetime(
-                            wtxn,
-                            self.queue.batches.started_at,
-                            batch.started_at,
-                            batch_id,
-                        )?;
-                        if let Some(finished_at) = batch.finished_at {
-                            remove_task_datetime(
-                                wtxn,
-                                self.queue.batches.finished_at,
-                                finished_at,
-                                batch_id,
-                            )?;
-                        }
-
-                        self.queue.batches.all_batches.delete(wtxn, &batch_id)?;
-                        self.queue.batch_to_tasks_mapping.delete(wtxn, &batch_id)?;
-                    }
+                    self.queue.batches.all_batches.delete(wtxn, &batch_id)?;
+                    self.queue.batch_to_tasks_mapping.delete(wtxn, &batch_id)?;
                 }
-
                 // Anyway, we must remove the batch from all its reverse indexes.
                 // The only way to do that is to check
 

crates/index-scheduler/src/scheduler/process_dump_creation.rs

@@ -4,14 +4,17 @@ use std::sync::atomic::Ordering;
 
 use dump::IndexMetadata;
 use meilisearch_types::milli::constants::RESERVED_VECTORS_FIELD_NAME;
-use meilisearch_types::milli::progress::{Progress, VariableNameStep};
+use meilisearch_types::milli::documents::{obkv_to_object, DocumentsBatchReader};
+use meilisearch_types::milli::progress::Progress;
 use meilisearch_types::milli::vector::parsed_vectors::{ExplicitVectors, VectorOrArrayOfVectors};
 use meilisearch_types::milli::{self};
 use meilisearch_types::tasks::{Details, KindWithContent, Status, Task};
 use time::macros::format_description;
 use time::OffsetDateTime;
 
-use crate::processing::{AtomicDocumentStep, AtomicTaskStep, DumpCreationProgress};
+use crate::processing::{
+    AtomicDocumentStep, AtomicTaskStep, DumpCreationProgress, VariableNameStep,
+};
 use crate::{Error, IndexScheduler, Result};
 
 impl IndexScheduler {
@@ -69,13 +72,6 @@ impl IndexScheduler {
                 t.started_at = Some(started_at);
                 t.finished_at = Some(finished_at);
             }
-
-            // Patch the task to remove the batch uid, because as of v1.12.5 batches are not persisted.
-            // This prevent from referencing *future* batches not actually associated with the task.
-            //
-            // See <https://github.com/meilisearch/meilisearch/issues/5247> for details.
-            t.batch_uid = None;
-
             let mut dump_content_file = dump_tasks.push_task(&t.into())?;
 
             // 2.1. Dump the `content_file` associated with the task if there is one and the task is not finished yet.
@@ -86,15 +82,19 @@ impl IndexScheduler {
                 if status == Status::Enqueued {
                     let content_file = self.queue.file_store.get_update(content_file)?;
 
-                    for document in
-                        serde_json::de::Deserializer::from_reader(content_file).into_iter()
-                    {
-                        let document = document.map_err(|e| {
-                            Error::from_milli(milli::InternalError::SerdeJson(e).into(), None)
-                        })?;
-                        dump_content_file.push_document(&document)?;
-                    }
+                    let reader = DocumentsBatchReader::from_reader(content_file)
+                        .map_err(|e| Error::from_milli(e.into(), None))?;
 
+                    let (mut cursor, documents_batch_index) = reader.into_cursor_and_fields_index();
+
+                    while let Some(doc) =
+                        cursor.next_document().map_err(|e| Error::from_milli(e.into(), None))?
+                    {
+                        dump_content_file.push_document(
+                            &obkv_to_object(doc, &documents_batch_index)
+                                .map_err(|e| Error::from_milli(e, None))?,
+                        )?;
+                    }
                     dump_content_file.flush()?;
                 }
             }
@@ -107,11 +107,7 @@ impl IndexScheduler {
         let nb_indexes = self.index_mapper.index_mapping.len(&rtxn)? as u32;
         let mut count = 0;
         let () = self.index_mapper.try_for_each_index(&rtxn, |uid, index| -> Result<()> {
-            progress.update_progress(VariableNameStep::<DumpCreationProgress>::new(
-                uid.to_string(),
-                count,
-                nb_indexes,
-            ));
+            progress.update_progress(VariableNameStep::new(uid.to_string(), count, nb_indexes));
             count += 1;
 
             let rtxn = index.read_txn()?;
@@ -132,6 +128,7 @@ impl IndexScheduler {
             let embedding_configs = index
                 .embedding_configs(&rtxn)
                 .map_err(|e| Error::from_milli(e, Some(uid.to_string())))?;
+            let decompression_dictionary = index.document_decompression_dictionary(&rtxn)?;
 
             let nb_documents = index
                 .number_of_documents(&rtxn)
@@ -139,8 +136,9 @@ impl IndexScheduler {
                 as u32;
             let (atomic, update_document_progress) = AtomicDocumentStep::new(nb_documents);
             progress.update_progress(update_document_progress);
+            let doc_alloc = bumpalo::Bump::new();
             let documents = index
-                .all_documents(&rtxn)
+                .all_compressed_documents(&rtxn)
                 .map_err(|e| Error::from_milli(e, Some(uid.to_string())))?;
             // 3.1. Dump the documents
             for ret in documents {
@@ -149,6 +147,10 @@ impl IndexScheduler {
                 }
 
                 let (id, doc) = ret.map_err(|e| Error::from_milli(e, Some(uid.to_string())))?;
+                let doc = match decompression_dictionary.as_ref() {
+                    Some(dict) => doc.decompress_into_bump(&doc_alloc, dict)?,
+                    None => doc.as_non_compressed(),
+                };
 
                 let mut document = milli::obkv_to_json(&all_fields, &fields_ids_map, doc)
                     .map_err(|e| Error::from_milli(e, Some(uid.to_string())))?;
@@ -219,8 +221,6 @@ impl IndexScheduler {
         progress.update_progress(DumpCreationProgress::DumpTheExperimentalFeatures);
         let features = self.features().runtime_features();
         dump.create_experimental_features(features)?;
-        let network = self.network();
-        dump.create_network(network)?;
 
         let dump_uid = started_at.format(format_description!(
                     "[year repr:full][month repr:numerical][day padding:zero]-[hour padding:zero][minute padding:zero][second padding:zero][subsecond digits:3]"

crates/index-scheduler/src/scheduler/process_snapshot_creation.rs

@@ -3,12 +3,12 @@ use std::fs;
 use std::sync::atomic::Ordering;
 
 use meilisearch_types::heed::CompactionOption;
-use meilisearch_types::milli::progress::{Progress, VariableNameStep};
+use meilisearch_types::milli::progress::Progress;
 use meilisearch_types::milli::{self};
 use meilisearch_types::tasks::{Status, Task};
 use meilisearch_types::{compression, VERSION_FILE_NAME};
 
-use crate::processing::{AtomicUpdateFileStep, SnapshotCreationProgress};
+use crate::processing::{AtomicUpdateFileStep, SnapshotCreationProgress, VariableNameStep};
 use crate::{Error, IndexScheduler, Result};
 
 impl IndexScheduler {
@@ -74,9 +74,7 @@ impl IndexScheduler {
 
         for (i, result) in index_mapping.iter(&rtxn)?.enumerate() {
             let (name, uuid) = result?;
-            progress.update_progress(VariableNameStep::<SnapshotCreationProgress>::new(
-                name, i as u32, nb_indexes,
-            ));
+            progress.update_progress(VariableNameStep::new(name, i as u32, nb_indexes));
             let index = self.index_mapper.index(&rtxn, name)?;
             let dst = temp_snapshot_dir.path().join("indexes").join(uuid.to_string());
             fs::create_dir_all(&dst)?;

crates/index-scheduler/src/scheduler/process_upgrade/mod.rs

@@ -1,49 +0,0 @@
-use meilisearch_types::milli;
-use meilisearch_types::milli::progress::{Progress, VariableNameStep};
-
-use crate::{Error, IndexScheduler, Result};
-
-impl IndexScheduler {
-    pub(super) fn process_upgrade(
-        &self,
-        db_version: (u32, u32, u32),
-        progress: Progress,
-    ) -> Result<()> {
-        #[cfg(test)]
-        self.maybe_fail(crate::test_utils::FailureLocation::ProcessUpgrade)?;
-
-        enum UpgradeIndex {}
-        let indexes = self.index_names()?;
-
-        for (i, uid) in indexes.iter().enumerate() {
-            progress.update_progress(VariableNameStep::<UpgradeIndex>::new(
-                format!("Upgrading index `{uid}`"),
-                i as u32,
-                indexes.len() as u32,
-            ));
-            let index = self.index(uid)?;
-            let mut index_wtxn = index.write_txn()?;
-            let regen_stats = milli::update::upgrade::upgrade(
-                &mut index_wtxn,
-                &index,
-                db_version,
-                progress.clone(),
-            )
-            .map_err(|e| Error::from_milli(e, Some(uid.to_string())))?;
-            if regen_stats {
-                let stats = crate::index_mapper::IndexStats::new(&index, &index_wtxn)
-                    .map_err(|e| Error::from_milli(e, Some(uid.to_string())))?;
-                index_wtxn.commit()?;
-
-                // Release wtxn as soon as possible because it stops us from registering tasks
-                let mut index_schd_wtxn = self.env.write_txn()?;
-                self.index_mapper.store_stats_of(&mut index_schd_wtxn, uid, &stats)?;
-                index_schd_wtxn.commit()?;
-            } else {
-                index_wtxn.commit()?;
-            }
-        }
-
-        Ok(())
-    }
-}

crates/index-scheduler/src/scheduler/snapshots/test.rs/task_deletion_delete_same_task_twice/task_deletion_processed.snap

@@ -56,13 +56,16 @@ succeeded [1,]
 ### Batches Index Tasks:
 ----------------------------------------------------------------------
 ### Batches Enqueued At:
+[timestamp] [0,]
 [timestamp] [1,]
 [timestamp] [1,]
 ----------------------------------------------------------------------
 ### Batches Started At:
+[timestamp] [0,]
 [timestamp] [1,]
 ----------------------------------------------------------------------
 ### Batches Finished At:
+[timestamp] [0,]
 [timestamp] [1,]
 ----------------------------------------------------------------------
 ### File Store:

crates/index-scheduler/src/scheduler/snapshots/test.rs/task_deletion_deleteable/task_deletion_processed.snap

@@ -54,12 +54,15 @@ succeeded [1,]
 ### Batches Index Tasks:
 ----------------------------------------------------------------------
 ### Batches Enqueued At:
+[timestamp] [0,]
 [timestamp] [1,]
 ----------------------------------------------------------------------
 ### Batches Started At:
+[timestamp] [0,]
 [timestamp] [1,]
 ----------------------------------------------------------------------
 ### Batches Finished At:
+[timestamp] [0,]
 [timestamp] [1,]
 ----------------------------------------------------------------------
 ### File Store:

crates/index-scheduler/src/scheduler/snapshots/test_failure.rs/panic_in_process_batch_for_index_creation/index_creation_failed.snap

@@ -7,7 +7,7 @@ snapshot_kind: text
 []
 ----------------------------------------------------------------------
 ### All Tasks:
-0 {uid: 0, batch_uid: 0, status: failed, error: ResponseError { code: 200, message: "An unexpected crash occurred when processing the task: simulated panic", error_code: "internal", error_type: "internal", error_link: "https://docs.meilisearch.com/errors#internal" }, details: { primary_key: Some("mouse") }, kind: IndexCreation { index_uid: "catto", primary_key: Some("mouse") }}
+0 {uid: 0, batch_uid: 0, status: failed, error: ResponseError { code: 200, message: "An unexpected crash occurred when processing the task.", error_code: "internal", error_type: "internal", error_link: "https://docs.meilisearch.com/errors#internal" }, details: { primary_key: Some("mouse") }, kind: IndexCreation { index_uid: "catto", primary_key: Some("mouse") }}
 ----------------------------------------------------------------------
 ### Status:
 enqueued []

crates/index-scheduler/src/scheduler/snapshots/test_failure.rs/upgrade_failure/after_processing_everything.snap

@@ -1,110 +0,0 @@
----
-source: crates/index-scheduler/src/scheduler/test_failure.rs
-snapshot_kind: text
----
-### Autobatching Enabled = true
-### Processing batch None:
-[]
-----------------------------------------------------------------------
-### All Tasks:
-0 {uid: 0, batch_uid: 0, status: succeeded, details: { from: (1, 12, 0), to: (1, 13, 0) }, kind: UpgradeDatabase { from: (1, 12, 0) }}
-1 {uid: 1, batch_uid: 1, status: succeeded, details: { primary_key: Some("mouse") }, kind: IndexCreation { index_uid: "catto", primary_key: Some("mouse") }}
-2 {uid: 2, batch_uid: 2, status: succeeded, details: { primary_key: Some("bone") }, kind: IndexCreation { index_uid: "doggo", primary_key: Some("bone") }}
-3 {uid: 3, batch_uid: 3, status: failed, error: ResponseError { code: 200, message: "Index `doggo` already exists.", error_code: "index_already_exists", error_type: "invalid_request", error_link: "https://docs.meilisearch.com/errors#index_already_exists" }, details: { primary_key: Some("bone") }, kind: IndexCreation { index_uid: "doggo", primary_key: Some("bone") }}
-4 {uid: 4, batch_uid: 4, status: succeeded, details: { primary_key: Some("leaves") }, kind: IndexCreation { index_uid: "girafo", primary_key: Some("leaves") }}
-----------------------------------------------------------------------
-### Status:
-enqueued []
-succeeded [0,1,2,4,]
-failed [3,]
-----------------------------------------------------------------------
-### Kind:
-"indexCreation" [1,2,3,4,]
-"upgradeDatabase" [0,]
-----------------------------------------------------------------------
-### Index Tasks:
-catto [1,]
-doggo [2,3,]
-girafo [4,]
-----------------------------------------------------------------------
-### Index Mapper:
-catto: { number_of_documents: 0, field_distribution: {} }
-doggo: { number_of_documents: 0, field_distribution: {} }
-girafo: { number_of_documents: 0, field_distribution: {} }
-
-----------------------------------------------------------------------
-### Canceled By:
-
-----------------------------------------------------------------------
-### Enqueued At:
-[timestamp] [0,]
-[timestamp] [1,]
-[timestamp] [2,]
-[timestamp] [3,]
-[timestamp] [4,]
-----------------------------------------------------------------------
-### Started At:
-[timestamp] [0,]
-[timestamp] [1,]
-[timestamp] [2,]
-[timestamp] [3,]
-[timestamp] [4,]
-----------------------------------------------------------------------
-### Finished At:
-[timestamp] [0,]
-[timestamp] [1,]
-[timestamp] [2,]
-[timestamp] [3,]
-[timestamp] [4,]
-----------------------------------------------------------------------
-### All Batches:
-0 {uid: 0, details: {"upgradeFrom":"v1.12.0","upgradeTo":"v1.13.0"}, stats: {"totalNbTasks":1,"status":{"succeeded":1},"types":{"upgradeDatabase":1},"indexUids":{}}, }
-1 {uid: 1, details: {"primaryKey":"mouse"}, stats: {"totalNbTasks":1,"status":{"succeeded":1},"types":{"indexCreation":1},"indexUids":{"catto":1}}, }
-2 {uid: 2, details: {"primaryKey":"bone"}, stats: {"totalNbTasks":1,"status":{"succeeded":1},"types":{"indexCreation":1},"indexUids":{"doggo":1}}, }
-3 {uid: 3, details: {"primaryKey":"bone"}, stats: {"totalNbTasks":1,"status":{"failed":1},"types":{"indexCreation":1},"indexUids":{"doggo":1}}, }
-4 {uid: 4, details: {"primaryKey":"leaves"}, stats: {"totalNbTasks":1,"status":{"succeeded":1},"types":{"indexCreation":1},"indexUids":{"girafo":1}}, }
-----------------------------------------------------------------------
-### Batch to tasks mapping:
-0 [0,]
-1 [1,]
-2 [2,]
-3 [3,]
-4 [4,]
-----------------------------------------------------------------------
-### Batches Status:
-succeeded [0,1,2,4,]
-failed [3,]
-----------------------------------------------------------------------
-### Batches Kind:
-"indexCreation" [1,2,3,4,]
-"upgradeDatabase" [0,]
-----------------------------------------------------------------------
-### Batches Index Tasks:
-catto [1,]
-doggo [2,3,]
-girafo [4,]
-----------------------------------------------------------------------
-### Batches Enqueued At:
-[timestamp] [0,]
-[timestamp] [1,]
-[timestamp] [2,]
-[timestamp] [3,]
-[timestamp] [4,]
-----------------------------------------------------------------------
-### Batches Started At:
-[timestamp] [0,]
-[timestamp] [1,]
-[timestamp] [2,]
-[timestamp] [3,]
-[timestamp] [4,]
-----------------------------------------------------------------------
-### Batches Finished At:
-[timestamp] [0,]
-[timestamp] [1,]
-[timestamp] [2,]
-[timestamp] [3,]
-[timestamp] [4,]
-----------------------------------------------------------------------
-### File Store:
-
-----------------------------------------------------------------------

crates/index-scheduler/src/scheduler/snapshots/test_failure.rs/upgrade_failure/after_removing_the_upgrade_tasks.snap

@@ -1,112 +0,0 @@
----
-source: crates/index-scheduler/src/scheduler/test_failure.rs
-snapshot_kind: text
----
-### Autobatching Enabled = true
-### Processing batch None:
-[]
-----------------------------------------------------------------------
-### All Tasks:
-1 {uid: 1, batch_uid: 1, status: succeeded, details: { primary_key: Some("mouse") }, kind: IndexCreation { index_uid: "catto", primary_key: Some("mouse") }}
-2 {uid: 2, batch_uid: 2, status: succeeded, details: { primary_key: Some("bone") }, kind: IndexCreation { index_uid: "doggo", primary_key: Some("bone") }}
-3 {uid: 3, batch_uid: 3, status: failed, error: ResponseError { code: 200, message: "Index `doggo` already exists.", error_code: "index_already_exists", error_type: "invalid_request", error_link: "https://docs.meilisearch.com/errors#index_already_exists" }, details: { primary_key: Some("bone") }, kind: IndexCreation { index_uid: "doggo", primary_key: Some("bone") }}
-4 {uid: 4, batch_uid: 4, status: succeeded, details: { primary_key: Some("leaves") }, kind: IndexCreation { index_uid: "girafo", primary_key: Some("leaves") }}
-5 {uid: 5, batch_uid: 5, status: succeeded, details: { matched_tasks: 1, deleted_tasks: Some(1), original_filter: "types=upgradeDatabase" }, kind: TaskDeletion { query: "types=upgradeDatabase", tasks: RoaringBitmap<[0]> }}
-----------------------------------------------------------------------
-### Status:
-enqueued []
-succeeded [1,2,4,5,]
-failed [3,]
-----------------------------------------------------------------------
-### Kind:
-"indexCreation" [1,2,3,4,]
-"taskDeletion" [5,]
-"upgradeDatabase" []
-----------------------------------------------------------------------
-### Index Tasks:
-catto [1,]
-doggo [2,3,]
-girafo [4,]
-----------------------------------------------------------------------
-### Index Mapper:
-catto: { number_of_documents: 0, field_distribution: {} }
-doggo: { number_of_documents: 0, field_distribution: {} }
-girafo: { number_of_documents: 0, field_distribution: {} }
-
-----------------------------------------------------------------------
-### Canceled By:
-
-----------------------------------------------------------------------
-### Enqueued At:
-[timestamp] [1,]
-[timestamp] [2,]
-[timestamp] [3,]
-[timestamp] [4,]
-[timestamp] [5,]
-----------------------------------------------------------------------
-### Started At:
-[timestamp] [1,]
-[timestamp] [2,]
-[timestamp] [3,]
-[timestamp] [4,]
-[timestamp] [5,]
-----------------------------------------------------------------------
-### Finished At:
-[timestamp] [1,]
-[timestamp] [2,]
-[timestamp] [3,]
-[timestamp] [4,]
-[timestamp] [5,]
-----------------------------------------------------------------------
-### All Batches:
-1 {uid: 1, details: {"primaryKey":"mouse"}, stats: {"totalNbTasks":1,"status":{"succeeded":1},"types":{"indexCreation":1},"indexUids":{"catto":1}}, }
-2 {uid: 2, details: {"primaryKey":"bone"}, stats: {"totalNbTasks":1,"status":{"succeeded":1},"types":{"indexCreation":1},"indexUids":{"doggo":1}}, }
-3 {uid: 3, details: {"primaryKey":"bone"}, stats: {"totalNbTasks":1,"status":{"failed":1},"types":{"indexCreation":1},"indexUids":{"doggo":1}}, }
-4 {uid: 4, details: {"primaryKey":"leaves"}, stats: {"totalNbTasks":1,"status":{"succeeded":1},"types":{"indexCreation":1},"indexUids":{"girafo":1}}, }
-5 {uid: 5, details: {"matchedTasks":1,"deletedTasks":1,"originalFilter":"types=upgradeDatabase"}, stats: {"totalNbTasks":1,"status":{"succeeded":1},"types":{"taskDeletion":1},"indexUids":{}}, }
-----------------------------------------------------------------------
-### Batch to tasks mapping:
-1 [1,]
-2 [2,]
-3 [3,]
-4 [4,]
-5 [5,]
-----------------------------------------------------------------------
-### Batches Status:
-succeeded [1,2,4,5,]
-failed [3,]
-----------------------------------------------------------------------
-### Batches Kind:
-"indexCreation" [1,2,3,4,]
-"taskDeletion" [5,]
-"upgradeDatabase" []
-----------------------------------------------------------------------
-### Batches Index Tasks:
-catto [1,]
-doggo [2,3,]
-girafo [4,]
-----------------------------------------------------------------------
-### Batches Enqueued At:
-[timestamp] [1,]
-[timestamp] [2,]
-[timestamp] [3,]
-[timestamp] [4,]
-[timestamp] [5,]
-----------------------------------------------------------------------
-### Batches Started At:
-[timestamp] [1,]
-[timestamp] [2,]
-[timestamp] [3,]
-[timestamp] [4,]
-[timestamp] [5,]
-----------------------------------------------------------------------
-### Batches Finished At:
-[timestamp] [1,]
-[timestamp] [2,]
-[timestamp] [3,]
-[timestamp] [4,]
-[timestamp] [5,]
-----------------------------------------------------------------------
-### File Store:
-
-----------------------------------------------------------------------

crates/index-scheduler/src/scheduler/snapshots/test_failure.rs/upgrade_failure/register_automatic_upgrade_task.snap

@@ -1,51 +0,0 @@
----
-source: crates/index-scheduler/src/scheduler/test_failure.rs
-snapshot_kind: text
----
-### Autobatching Enabled = true
-### Processing batch None:
-[]
-----------------------------------------------------------------------
-### All Tasks:
-0 {uid: 0, status: enqueued, details: { from: (1, 12, 0), to: (1, 13, 0) }, kind: UpgradeDatabase { from: (1, 12, 0) }}
-----------------------------------------------------------------------
-### Status:
-enqueued [0,]
-----------------------------------------------------------------------
-### Kind:
-"upgradeDatabase" [0,]
-----------------------------------------------------------------------
-### Index Tasks:
-----------------------------------------------------------------------
-### Index Mapper:
-
-----------------------------------------------------------------------
-### Canceled By:
-
-----------------------------------------------------------------------
-### Enqueued At:
-[timestamp] [0,]
-----------------------------------------------------------------------
-### Started At:
-----------------------------------------------------------------------
-### Finished At:
-----------------------------------------------------------------------
-### All Batches:
-----------------------------------------------------------------------
-### Batch to tasks mapping:
-----------------------------------------------------------------------
-### Batches Status:
-----------------------------------------------------------------------
-### Batches Kind:
-----------------------------------------------------------------------
-### Batches Index Tasks:
-----------------------------------------------------------------------
-### Batches Enqueued At:
-----------------------------------------------------------------------
-### Batches Started At:
-----------------------------------------------------------------------
-### Batches Finished At:
-----------------------------------------------------------------------
-### File Store:
-
-----------------------------------------------------------------------

crates/index-scheduler/src/scheduler/snapshots/test_failure.rs/upgrade_failure/registered_a_task_while_the_upgrade_task_is_enqueued.snap

@@ -1,55 +0,0 @@
----
-source: crates/index-scheduler/src/scheduler/test_failure.rs
-snapshot_kind: text
----
-### Autobatching Enabled = true
-### Processing batch None:
-[]
-----------------------------------------------------------------------
-### All Tasks:
-0 {uid: 0, status: enqueued, details: { from: (1, 12, 0), to: (1, 13, 0) }, kind: UpgradeDatabase { from: (1, 12, 0) }}
-1 {uid: 1, status: enqueued, details: { primary_key: Some("mouse") }, kind: IndexCreation { index_uid: "catto", primary_key: Some("mouse") }}
-----------------------------------------------------------------------
-### Status:
-enqueued [0,1,]
-----------------------------------------------------------------------
-### Kind:
-"indexCreation" [1,]
-"upgradeDatabase" [0,]
-----------------------------------------------------------------------
-### Index Tasks:
-catto [1,]
-----------------------------------------------------------------------
-### Index Mapper:
-
-----------------------------------------------------------------------
-### Canceled By:
-
-----------------------------------------------------------------------
-### Enqueued At:
-[timestamp] [0,]
-[timestamp] [1,]
-----------------------------------------------------------------------
-### Started At:
-----------------------------------------------------------------------
-### Finished At:
-----------------------------------------------------------------------
-### All Batches:
-----------------------------------------------------------------------
-### Batch to tasks mapping:
-----------------------------------------------------------------------
-### Batches Status:
-----------------------------------------------------------------------
-### Batches Kind:
-----------------------------------------------------------------------
-### Batches Index Tasks:
-----------------------------------------------------------------------
-### Batches Enqueued At:
-----------------------------------------------------------------------
-### Batches Started At:
-----------------------------------------------------------------------
-### Batches Finished At:
-----------------------------------------------------------------------
-### File Store:
-
-----------------------------------------------------------------------

crates/index-scheduler/src/scheduler/snapshots/test_failure.rs/upgrade_failure/upgrade_task_failed.snap

@@ -1,65 +0,0 @@
----
-source: crates/index-scheduler/src/scheduler/test_failure.rs
-snapshot_kind: text
----
-### Autobatching Enabled = true
-### Processing batch None:
-[]
-----------------------------------------------------------------------
-### All Tasks:
-0 {uid: 0, batch_uid: 0, status: failed, error: ResponseError { code: 200, message: "Planned failure for tests.", error_code: "internal", error_type: "internal", error_link: "https://docs.meilisearch.com/errors#internal" }, details: { from: (1, 12, 0), to: (1, 13, 0) }, kind: UpgradeDatabase { from: (1, 12, 0) }}
-1 {uid: 1, status: enqueued, details: { primary_key: Some("mouse") }, kind: IndexCreation { index_uid: "catto", primary_key: Some("mouse") }}
-----------------------------------------------------------------------
-### Status:
-enqueued [1,]
-failed [0,]
-----------------------------------------------------------------------
-### Kind:
-"indexCreation" [1,]
-"upgradeDatabase" [0,]
-----------------------------------------------------------------------
-### Index Tasks:
-catto [1,]
-----------------------------------------------------------------------
-### Index Mapper:
-
-----------------------------------------------------------------------
-### Canceled By:
-
-----------------------------------------------------------------------
-### Enqueued At:
-[timestamp] [0,]
-[timestamp] [1,]
-----------------------------------------------------------------------
-### Started At:
-[timestamp] [0,]
-----------------------------------------------------------------------
-### Finished At:
-[timestamp] [0,]
-----------------------------------------------------------------------
-### All Batches:
-0 {uid: 0, details: {"upgradeFrom":"v1.12.0","upgradeTo":"v1.13.0"}, stats: {"totalNbTasks":1,"status":{"failed":1},"types":{"upgradeDatabase":1},"indexUids":{}}, }
-----------------------------------------------------------------------
-### Batch to tasks mapping:
-0 [0,]
-----------------------------------------------------------------------
-### Batches Status:
-failed [0,]
-----------------------------------------------------------------------
-### Batches Kind:
-"upgradeDatabase" [0,]
-----------------------------------------------------------------------
-### Batches Index Tasks:
-----------------------------------------------------------------------
-### Batches Enqueued At:
-[timestamp] [0,]
-----------------------------------------------------------------------
-### Batches Started At:
-[timestamp] [0,]
-----------------------------------------------------------------------
-### Batches Finished At:
-[timestamp] [0,]
-----------------------------------------------------------------------
-### File Store:
-
-----------------------------------------------------------------------

crates/index-scheduler/src/scheduler/snapshots/test_failure.rs/upgrade_failure/upgrade_task_failed_again.snap

@@ -1,68 +0,0 @@
----
-source: crates/index-scheduler/src/scheduler/test_failure.rs
-snapshot_kind: text
----
-### Autobatching Enabled = true
-### Processing batch None:
-[]
-----------------------------------------------------------------------
-### All Tasks:
-0 {uid: 0, batch_uid: 0, status: failed, error: ResponseError { code: 200, message: "Planned failure for tests.", error_code: "internal", error_type: "internal", error_link: "https://docs.meilisearch.com/errors#internal" }, details: { from: (1, 12, 0), to: (1, 13, 0) }, kind: UpgradeDatabase { from: (1, 12, 0) }}
-1 {uid: 1, status: enqueued, details: { primary_key: Some("mouse") }, kind: IndexCreation { index_uid: "catto", primary_key: Some("mouse") }}
-2 {uid: 2, status: enqueued, details: { primary_key: Some("bone") }, kind: IndexCreation { index_uid: "doggo", primary_key: Some("bone") }}
-----------------------------------------------------------------------
-### Status:
-enqueued [1,2,]
-failed [0,]
-----------------------------------------------------------------------
-### Kind:
-"indexCreation" [1,2,]
-"upgradeDatabase" [0,]
-----------------------------------------------------------------------
-### Index Tasks:
-catto [1,]
-doggo [2,]
-----------------------------------------------------------------------
-### Index Mapper:
-
-----------------------------------------------------------------------
-### Canceled By:
-
-----------------------------------------------------------------------
-### Enqueued At:
-[timestamp] [0,]
-[timestamp] [1,]
-[timestamp] [2,]
-----------------------------------------------------------------------
-### Started At:
-[timestamp] [0,]
-----------------------------------------------------------------------
-### Finished At:
-[timestamp] [0,]
-----------------------------------------------------------------------
-### All Batches:
-0 {uid: 0, details: {"upgradeFrom":"v1.12.0","upgradeTo":"v1.13.0"}, stats: {"totalNbTasks":1,"status":{"failed":1},"types":{"upgradeDatabase":1},"indexUids":{}}, }
-----------------------------------------------------------------------
-### Batch to tasks mapping:
-0 [0,]
-----------------------------------------------------------------------
-### Batches Status:
-failed [0,]
-----------------------------------------------------------------------
-### Batches Kind:
-"upgradeDatabase" [0,]
-----------------------------------------------------------------------
-### Batches Index Tasks:
-----------------------------------------------------------------------
-### Batches Enqueued At:
-[timestamp] [0,]
-----------------------------------------------------------------------
-### Batches Started At:
-[timestamp] [0,]
-----------------------------------------------------------------------
-### Batches Finished At:
-[timestamp] [0,]
-----------------------------------------------------------------------
-### File Store:
-
-----------------------------------------------------------------------

crates/index-scheduler/src/scheduler/snapshots/test_failure.rs/upgrade_failure/upgrade_task_succeeded.snap

@@ -1,72 +0,0 @@
----
-source: crates/index-scheduler/src/scheduler/test_failure.rs
-snapshot_kind: text
----
-### Autobatching Enabled = true
-### Processing batch None:
-[]
-----------------------------------------------------------------------
-### All Tasks:
-0 {uid: 0, batch_uid: 0, status: succeeded, details: { from: (1, 12, 0), to: (1, 13, 0) }, kind: UpgradeDatabase { from: (1, 12, 0) }}
-1 {uid: 1, status: enqueued, details: { primary_key: Some("mouse") }, kind: IndexCreation { index_uid: "catto", primary_key: Some("mouse") }}
-2 {uid: 2, status: enqueued, details: { primary_key: Some("bone") }, kind: IndexCreation { index_uid: "doggo", primary_key: Some("bone") }}
-3 {uid: 3, status: enqueued, details: { primary_key: Some("bone") }, kind: IndexCreation { index_uid: "doggo", primary_key: Some("bone") }}
-----------------------------------------------------------------------
-### Status:
-enqueued [1,2,3,]
-succeeded [0,]
-failed []
-----------------------------------------------------------------------
-### Kind:
-"indexCreation" [1,2,3,]
-"upgradeDatabase" [0,]
-----------------------------------------------------------------------
-### Index Tasks:
-catto [1,]
-doggo [2,3,]
-----------------------------------------------------------------------
-### Index Mapper:
-
-----------------------------------------------------------------------
-### Canceled By:
-
-----------------------------------------------------------------------
-### Enqueued At:
-[timestamp] [0,]
-[timestamp] [1,]
-[timestamp] [2,]
-[timestamp] [3,]
-----------------------------------------------------------------------
-### Started At:
-[timestamp] [0,]
-----------------------------------------------------------------------
-### Finished At:
-[timestamp] [0,]
-----------------------------------------------------------------------
-### All Batches:
-0 {uid: 0, details: {"upgradeFrom":"v1.12.0","upgradeTo":"v1.13.0"}, stats: {"totalNbTasks":1,"status":{"succeeded":1},"types":{"upgradeDatabase":1},"indexUids":{}}, }
-----------------------------------------------------------------------
-### Batch to tasks mapping:
-0 [0,]
-----------------------------------------------------------------------
-### Batches Status:
-succeeded [0,]
-failed []
-----------------------------------------------------------------------
-### Batches Kind:
-"upgradeDatabase" [0,]
-----------------------------------------------------------------------
-### Batches Index Tasks:
-----------------------------------------------------------------------
-### Batches Enqueued At:
-[timestamp] [0,]
-----------------------------------------------------------------------
-### Batches Started At:
-[timestamp] [0,]
-----------------------------------------------------------------------
-### Batches Finished At:
-[timestamp] [0,]
-----------------------------------------------------------------------
-### File Store:
-
-----------------------------------------------------------------------

crates/index-scheduler/src/scheduler/test.rs

@@ -713,70 +713,68 @@ fn basic_get_stats() {
     let kind = index_creation_task("whalo", "fish");
     let _task = index_scheduler.register(kind, None, false).unwrap();
 
-    snapshot!(json_string!(index_scheduler.get_stats().unwrap()), @r#"
-    {
-      "indexes": {
-        "catto": 1,
-        "doggo": 1,
-        "whalo": 1
-      },
-      "statuses": {
-        "canceled": 0,
-        "enqueued": 3,
-        "failed": 0,
-        "processing": 0,
-        "succeeded": 0
-      },
-      "types": {
-        "documentAdditionOrUpdate": 0,
-        "documentDeletion": 0,
-        "documentEdition": 0,
-        "dumpCreation": 0,
-        "indexCreation": 3,
-        "indexDeletion": 0,
-        "indexSwap": 0,
-        "indexUpdate": 0,
-        "settingsUpdate": 0,
-        "snapshotCreation": 0,
-        "taskCancelation": 0,
-        "taskDeletion": 0,
-        "upgradeDatabase": 0
-      }
-    }
-    "#);
+    snapshot!(json_string!(index_scheduler.get_stats().unwrap()), @r###"
+        {
+          "indexes": {
+            "catto": 1,
+            "doggo": 1,
+            "whalo": 1
+          },
+          "statuses": {
+            "canceled": 0,
+            "enqueued": 3,
+            "failed": 0,
+            "processing": 0,
+            "succeeded": 0
+          },
+          "types": {
+            "documentAdditionOrUpdate": 0,
+            "documentDeletion": 0,
+            "documentEdition": 0,
+            "dumpCreation": 0,
+            "indexCreation": 3,
+            "indexDeletion": 0,
+            "indexSwap": 0,
+            "indexUpdate": 0,
+            "settingsUpdate": 0,
+            "snapshotCreation": 0,
+            "taskCancelation": 0,
+            "taskDeletion": 0
+          }
+        }
+        "###);
 
     handle.advance_till([Start, BatchCreated]);
-    snapshot!(json_string!(index_scheduler.get_stats().unwrap()), @r#"
-    {
-      "indexes": {
-        "catto": 1,
-        "doggo": 1,
-        "whalo": 1
-      },
-      "statuses": {
-        "canceled": 0,
-        "enqueued": 2,
-        "failed": 0,
-        "processing": 1,
-        "succeeded": 0
-      },
-      "types": {
-        "documentAdditionOrUpdate": 0,
-        "documentDeletion": 0,
-        "documentEdition": 0,
-        "dumpCreation": 0,
-        "indexCreation": 3,
-        "indexDeletion": 0,
-        "indexSwap": 0,
-        "indexUpdate": 0,
-        "settingsUpdate": 0,
-        "snapshotCreation": 0,
-        "taskCancelation": 0,
-        "taskDeletion": 0,
-        "upgradeDatabase": 0
-      }
-    }
-    "#);
+    snapshot!(json_string!(index_scheduler.get_stats().unwrap()), @r###"
+        {
+          "indexes": {
+            "catto": 1,
+            "doggo": 1,
+            "whalo": 1
+          },
+          "statuses": {
+            "canceled": 0,
+            "enqueued": 2,
+            "failed": 0,
+            "processing": 1,
+            "succeeded": 0
+          },
+          "types": {
+            "documentAdditionOrUpdate": 0,
+            "documentDeletion": 0,
+            "documentEdition": 0,
+            "dumpCreation": 0,
+            "indexCreation": 3,
+            "indexDeletion": 0,
+            "indexSwap": 0,
+            "indexUpdate": 0,
+            "settingsUpdate": 0,
+            "snapshotCreation": 0,
+            "taskCancelation": 0,
+            "taskDeletion": 0
+          }
+        }
+        "###);
 
     handle.advance_till([
         InsideProcessBatch,
@@ -786,37 +784,36 @@ fn basic_get_stats() {
         Start,
         BatchCreated,
     ]);
-    snapshot!(json_string!(index_scheduler.get_stats().unwrap()), @r#"
-    {
-      "indexes": {
-        "catto": 1,
-        "doggo": 1,
-        "whalo": 1
-      },
-      "statuses": {
-        "canceled": 0,
-        "enqueued": 1,
-        "failed": 0,
-        "processing": 1,
-        "succeeded": 1
-      },
-      "types": {
-        "documentAdditionOrUpdate": 0,
-        "documentDeletion": 0,
-        "documentEdition": 0,
-        "dumpCreation": 0,
-        "indexCreation": 3,
-        "indexDeletion": 0,
-        "indexSwap": 0,
-        "indexUpdate": 0,
-        "settingsUpdate": 0,
-        "snapshotCreation": 0,
-        "taskCancelation": 0,
-        "taskDeletion": 0,
-        "upgradeDatabase": 0
-      }
-    }
-    "#);
+    snapshot!(json_string!(index_scheduler.get_stats().unwrap()), @r###"
+        {
+          "indexes": {
+            "catto": 1,
+            "doggo": 1,
+            "whalo": 1
+          },
+          "statuses": {
+            "canceled": 0,
+            "enqueued": 1,
+            "failed": 0,
+            "processing": 1,
+            "succeeded": 1
+          },
+          "types": {
+            "documentAdditionOrUpdate": 0,
+            "documentDeletion": 0,
+            "documentEdition": 0,
+            "dumpCreation": 0,
+            "indexCreation": 3,
+            "indexDeletion": 0,
+            "indexSwap": 0,
+            "indexUpdate": 0,
+            "settingsUpdate": 0,
+            "snapshotCreation": 0,
+            "taskCancelation": 0,
+            "taskDeletion": 0
+          }
+        }
+        "###);
 
     // now we make one more batch, the started_at field of the new tasks will be past `second_start_time`
     handle.advance_till([
@@ -827,37 +824,36 @@ fn basic_get_stats() {
         Start,
         BatchCreated,
     ]);
-    snapshot!(json_string!(index_scheduler.get_stats().unwrap()), @r#"
-    {
-      "indexes": {
-        "catto": 1,
-        "doggo": 1,
-        "whalo": 1
-      },
-      "statuses": {
-        "canceled": 0,
-        "enqueued": 0,
-        "failed": 0,
-        "processing": 1,
-        "succeeded": 2
-      },
-      "types": {
-        "documentAdditionOrUpdate": 0,
-        "documentDeletion": 0,
-        "documentEdition": 0,
-        "dumpCreation": 0,
-        "indexCreation": 3,
-        "indexDeletion": 0,
-        "indexSwap": 0,
-        "indexUpdate": 0,
-        "settingsUpdate": 0,
-        "snapshotCreation": 0,
-        "taskCancelation": 0,
-        "taskDeletion": 0,
-        "upgradeDatabase": 0
-      }
-    }
-    "#);
+    snapshot!(json_string!(index_scheduler.get_stats().unwrap()), @r###"
+        {
+          "indexes": {
+            "catto": 1,
+            "doggo": 1,
+            "whalo": 1
+          },
+          "statuses": {
+            "canceled": 0,
+            "enqueued": 0,
+            "failed": 0,
+            "processing": 1,
+            "succeeded": 2
+          },
+          "types": {
+            "documentAdditionOrUpdate": 0,
+            "documentDeletion": 0,
+            "documentEdition": 0,
+            "dumpCreation": 0,
+            "indexCreation": 3,
+            "indexDeletion": 0,
+            "indexSwap": 0,
+            "indexUpdate": 0,
+            "settingsUpdate": 0,
+            "snapshotCreation": 0,
+            "taskCancelation": 0,
+            "taskDeletion": 0
+          }
+        }
+        "###);
 }
 
 #[test]
@@ -903,7 +899,7 @@ fn create_and_list_index() {
 
     index_scheduler.index("kefir").unwrap();
     let list = index_scheduler.get_paginated_indexes_stats(&AuthFilter::default(), 0, 20).unwrap();
-    snapshot!(json_string!(list, { "[1][0][1].created_at" => "[date]", "[1][0][1].updated_at" => "[date]", "[1][0][1].used_database_size" => "[bytes]", "[1][0][1].database_size" => "[bytes]" }), @r#"
+    snapshot!(json_string!(list, { "[1][0][1].created_at" => "[date]", "[1][0][1].updated_at" => "[date]" }), @r#"
     [
       1,
       [
@@ -911,8 +907,8 @@ fn create_and_list_index() {
           "kefir",
           {
             "number_of_documents": 0,
-            "database_size": "[bytes]",
-            "used_database_size": "[bytes]",
+            "database_size": 24576,
+            "used_database_size": 8192,
             "primary_key": null,
             "field_distribution": {},
             "created_at": "[date]",

crates/index-scheduler/src/scheduler/test_failure.rs

@@ -6,7 +6,6 @@ use meili_snap::snapshot;
 use meilisearch_types::milli::obkv_to_json;
 use meilisearch_types::milli::update::IndexDocumentsMethod::*;
 use meilisearch_types::milli::update::Setting;
-use meilisearch_types::tasks::Kind;
 use meilisearch_types::tasks::KindWithContent;
 
 use crate::insta_snapshot::snapshot_index_scheduler;
@@ -250,78 +249,3 @@ fn panic_in_process_batch_for_index_creation() {
     // No matter what happens in process_batch, the index_scheduler should be internally consistent
     snapshot!(snapshot_index_scheduler(&index_scheduler), name: "index_creation_failed");
 }
-
-#[test]
-fn upgrade_failure() {
-    // By starting the index-scheduler at the v1.12.0 an upgrade task should be automatically enqueued
-    let (index_scheduler, mut handle) =
-        IndexScheduler::test_with_custom_config(vec![(1, FailureLocation::ProcessUpgrade)], |_| {
-            Some((1, 12, 0))
-        });
-    snapshot!(snapshot_index_scheduler(&index_scheduler), name: "register_automatic_upgrade_task");
-
-    let kind = index_creation_task("catto", "mouse");
-    let _task = index_scheduler.register(kind, None, false).unwrap();
-    snapshot!(snapshot_index_scheduler(&index_scheduler), name: "registered_a_task_while_the_upgrade_task_is_enqueued");
-
-    handle.advance_one_failed_batch();
-    snapshot!(snapshot_index_scheduler(&index_scheduler), name: "upgrade_task_failed");
-
-    // We can still register tasks
-    let kind = index_creation_task("doggo", "bone");
-    let _task = index_scheduler.register(kind, None, false).unwrap();
-
-    // But the scheduler is down and won't process anything ever again
-    handle.scheduler_is_down();
-
-    // =====> After a restart is it still working as expected?
-    let (index_scheduler, mut handle) =
-        handle.restart(index_scheduler, true, vec![(1, FailureLocation::ProcessUpgrade)], |_| {
-            Some((1, 12, 0)) // the upgrade task should be rerun automatically and nothing else should be enqueued
-        });
-
-    handle.advance_one_failed_batch();
-    snapshot!(snapshot_index_scheduler(&index_scheduler), name: "upgrade_task_failed_again");
-    // We can still register tasks
-    let kind = index_creation_task("doggo", "bone");
-    let _task = index_scheduler.register(kind, None, false).unwrap();
-    // And the scheduler is still down and won't process anything ever again
-    handle.scheduler_is_down();
-
-    // =====> After a rerestart and without failure can we upgrade the indexes and process the tasks
-    let (index_scheduler, mut handle) =
-        handle.restart(index_scheduler, true, vec![], |_| Some((1, 12, 0)));
-
-    handle.advance_one_successful_batch();
-    snapshot!(snapshot_index_scheduler(&index_scheduler), name: "upgrade_task_succeeded");
-    // We can still register tasks
-    let kind = index_creation_task("girafo", "leaves");
-    let _task = index_scheduler.register(kind, None, false).unwrap();
-    // The scheduler is up and running
-    handle.advance_one_successful_batch();
-    handle.advance_one_successful_batch();
-    handle.advance_one_failed_batch(); // doggo already exists
-    handle.advance_one_successful_batch();
-    snapshot!(snapshot_index_scheduler(&index_scheduler), name: "after_processing_everything");
-
-    let (upgrade_tasks_ids, _) = index_scheduler
-        .get_task_ids_from_authorized_indexes(
-            &crate::Query { types: Some(vec![Kind::UpgradeDatabase]), ..Default::default() },
-            &Default::default(),
-        )
-        .unwrap();
-    // When deleting the single upgrade task it should remove the associated batch
-    let _task = index_scheduler
-        .register(
-            KindWithContent::TaskDeletion {
-                query: String::from("types=upgradeDatabase"),
-                tasks: upgrade_tasks_ids,
-            },
-            None,
-            false,
-        )
-        .unwrap();
-
-    handle.advance_one_successful_batch();
-    snapshot!(snapshot_index_scheduler(&index_scheduler), name: "after_removing_the_upgrade_tasks");
-}

crates/index-scheduler/src/test_utils.rs

@@ -1,18 +1,10 @@
 use std::io::{BufWriter, Write};
 use std::sync::Arc;
-use std::time::Duration;
 
-use big_s::S;
-use crossbeam_channel::RecvTimeoutError;
 use file_store::File;
 use meilisearch_types::document_formats::DocumentFormatError;
 use meilisearch_types::milli::update::IndexDocumentsMethod::ReplaceDocuments;
-use meilisearch_types::milli::update::IndexerConfig;
-use meilisearch_types::tasks::KindWithContent;
-use meilisearch_types::{versioning, VERSION_FILE_NAME};
-use tempfile::{NamedTempFile, TempDir};
 use uuid::Uuid;
-use Breakpoint::*;
 
 use crate::insta_snapshot::snapshot_index_scheduler;
 use crate::{Error, IndexScheduler, IndexSchedulerOptions};
@@ -36,13 +28,20 @@ pub(crate) enum FailureLocation {
     InsideCreateBatch,
     InsideProcessBatch,
     PanicInsideProcessBatch,
-    ProcessUpgrade,
     AcquiringWtxn,
     UpdatingTaskAfterProcessBatchSuccess { task_uid: u32 },
     UpdatingTaskAfterProcessBatchFailure,
     CommittingWtxn,
 }
 
+use big_s::S;
+use crossbeam_channel::RecvTimeoutError;
+use meilisearch_types::milli::update::IndexerConfig;
+use meilisearch_types::tasks::KindWithContent;
+use meilisearch_types::VERSION_FILE_NAME;
+use tempfile::{NamedTempFile, TempDir};
+use Breakpoint::*;
+
 impl IndexScheduler {
     /// Blocks the thread until the test handle asks to progress to/through this breakpoint.
     ///
@@ -56,6 +55,7 @@ impl IndexScheduler {
     /// As soon as we find it, the index scheduler is unblocked but then wait again on the call to
     /// `test_breakpoint_sdr.send(b, true)`. This message will only be able to send once the
     /// test asks to progress to the next `(b2, false)`.
+    #[cfg(test)]
     pub(crate) fn breakpoint(&self, b: Breakpoint) {
         // We send two messages. The first one will sync with the call
         // to `handle.wait_until(b)`. The second one will block until the
@@ -75,13 +75,12 @@ impl IndexScheduler {
     ) -> (Self, IndexSchedulerHandle) {
         Self::test_with_custom_config(planned_failures, |config| {
             config.autobatching_enabled = autobatching_enabled;
-            None
         })
     }
 
     pub(crate) fn test_with_custom_config(
         planned_failures: Vec<(usize, FailureLocation)>,
-        configuration: impl Fn(&mut IndexSchedulerOptions) -> Option<(u32, u32, u32)>,
+        configuration: impl Fn(&mut IndexSchedulerOptions),
     ) -> (Self, IndexSchedulerHandle) {
         let tempdir = TempDir::new().unwrap();
         let (sender, receiver) = crossbeam_channel::bounded(0);
@@ -110,17 +109,10 @@ impl IndexScheduler {
             max_number_of_batched_tasks: usize::MAX,
             batched_tasks_size_limit: u64::MAX,
             instance_features: Default::default(),
-            auto_upgrade: true, // Don't cost much and will ensure the happy path works
         };
-        let version = configuration(&mut options).unwrap_or_else(|| {
-            (
-                versioning::VERSION_MAJOR.parse().unwrap(),
-                versioning::VERSION_MINOR.parse().unwrap(),
-                versioning::VERSION_PATCH.parse().unwrap(),
-            )
-        });
+        configuration(&mut options);
 
-        let index_scheduler = Self::new(options, version, sender, planned_failures).unwrap();
+        let index_scheduler = Self::new(options, sender, planned_failures).unwrap();
 
         // To be 100% consistent between all test we're going to start the scheduler right now
         // and ensure it's in the expected starting state.
@@ -232,55 +224,6 @@ pub struct IndexSchedulerHandle {
 }
 
 impl IndexSchedulerHandle {
-    /// Restarts the index-scheduler on the same database.
-    /// To use this function you must give back the index-scheduler that was given to you when
-    /// creating the handle the first time.
-    /// If the index-scheduler has been cloned in the meantime you must drop all copy otherwise
-    /// the function will panic.
-    pub(crate) fn restart(
-        self,
-        index_scheduler: IndexScheduler,
-        autobatching_enabled: bool,
-        planned_failures: Vec<(usize, FailureLocation)>,
-        configuration: impl Fn(&mut IndexSchedulerOptions) -> Option<(u32, u32, u32)>,
-    ) -> (IndexScheduler, Self) {
-        drop(index_scheduler);
-        let Self { _tempdir: tempdir, index_scheduler, test_breakpoint_rcv, last_breakpoint: _ } =
-            self;
-        let env = index_scheduler.env.clone();
-        drop(index_scheduler);
-
-        // We must ensure that the `run` function has stopped running before restarting the index scheduler
-        loop {
-            match test_breakpoint_rcv.recv_timeout(Duration::from_secs(5)) {
-                Ok((_, true)) => continue,
-                Ok((b, false)) => {
-                    panic!("Scheduler is not stopped and passed {b:?}")
-                }
-                Err(RecvTimeoutError::Timeout) => panic!("The indexing loop is stuck somewhere"),
-                Err(RecvTimeoutError::Disconnected) => break,
-            }
-        }
-        let closed = env.prepare_for_closing().wait_timeout(Duration::from_secs(5));
-        assert!(closed, "The index scheduler couldn't close itself, it seems like someone else is holding the env somewhere");
-
-        let (scheduler, mut handle) =
-            IndexScheduler::test_with_custom_config(planned_failures, |config| {
-                let version = configuration(config);
-                config.autobatching_enabled = autobatching_enabled;
-                config.version_file_path = tempdir.path().join(VERSION_FILE_NAME);
-                config.auth_path = tempdir.path().join("auth");
-                config.tasks_path = tempdir.path().join("db_path");
-                config.update_file_path = tempdir.path().join("file_store");
-                config.indexes_path = tempdir.path().join("indexes");
-                config.snapshots_path = tempdir.path().join("snapshots");
-                config.dumps_path = tempdir.path().join("dumps");
-                version
-            });
-        handle._tempdir = tempdir;
-        (scheduler, handle)
-    }
-
     /// Advance the scheduler to the next tick.
     /// Panic
     /// * If the scheduler is waiting for a task to be registered.
@@ -406,18 +349,4 @@ impl IndexSchedulerHandle {
         }
         self.advance_till([AfterProcessing]);
     }
-
-    // Wait for one failed batch.
-    #[track_caller]
-    pub(crate) fn scheduler_is_down(&mut self) {
-        loop {
-            match self
-            .test_breakpoint_rcv
-            .recv_timeout(std::time::Duration::from_secs(1)) {
-                Ok((_, true)) => continue,
-                Ok((b, false)) => panic!("The scheduler was supposed to be down but successfully moved to the next breakpoint: {b:?}"),
-                Err(RecvTimeoutError::Timeout | RecvTimeoutError::Disconnected) => break,
-            }
-        }
-    }
 }

crates/index-scheduler/src/upgrade/mod.rs

@@ -1,108 +0,0 @@
-use anyhow::bail;
-use meilisearch_types::heed::{Env, RwTxn};
-use meilisearch_types::tasks::{Details, KindWithContent, Status, Task};
-use meilisearch_types::versioning::{VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH};
-use time::OffsetDateTime;
-use tracing::info;
-
-use crate::queue::TaskQueue;
-use crate::versioning::Versioning;
-
-trait UpgradeIndexScheduler {
-    fn upgrade(&self, env: &Env, wtxn: &mut RwTxn, original: (u32, u32, u32))
-        -> anyhow::Result<()>;
-    fn target_version(&self) -> (u32, u32, u32);
-}
-
-pub fn upgrade_index_scheduler(
-    env: &Env,
-    versioning: &Versioning,
-    from: (u32, u32, u32),
-    to: (u32, u32, u32),
-) -> anyhow::Result<()> {
-    let current_major = to.0;
-    let current_minor = to.1;
-    let current_patch = to.2;
-
-    let upgrade_functions: &[&dyn UpgradeIndexScheduler] = &[&V1_12_ToCurrent {}];
-
-    let start = match from {
-        (1, 12, _) => 0,
-        (major, minor, patch) => {
-            if major > current_major
-                || (major == current_major && minor > current_minor)
-                || (major == current_major && minor == current_minor && patch > current_patch)
-            {
-                bail!(
-                "Database version {major}.{minor}.{patch} is higher than the Meilisearch version {current_major}.{current_minor}.{current_patch}. Downgrade is not supported",
-                );
-            } else if major < 1 || (major == current_major && minor < 12) {
-                bail!(
-                "Database version {major}.{minor}.{patch} is too old for the experimental dumpless upgrade feature. Please generate a dump using the v{major}.{minor}.{patch} and import it in the v{current_major}.{current_minor}.{current_patch}",
-            );
-            } else {
-                bail!("Unknown database version: v{major}.{minor}.{patch}");
-            }
-        }
-    };
-
-    let mut current_version = from;
-
-    info!("Upgrading the task queue");
-    for upgrade in upgrade_functions[start..].iter() {
-        let target = upgrade.target_version();
-        info!(
-            "Upgrading from v{}.{}.{} to v{}.{}.{}",
-            from.0, from.1, from.2, current_version.0, current_version.1, current_version.2
-        );
-        let mut wtxn = env.write_txn()?;
-        upgrade.upgrade(env, &mut wtxn, from)?;
-        versioning.set_version(&mut wtxn, target)?;
-        wtxn.commit()?;
-        current_version = target;
-    }
-
-    let mut wtxn = env.write_txn()?;
-    let queue = TaskQueue::new(env, &mut wtxn)?;
-    let uid = queue.next_task_id(&wtxn)?;
-    queue.register(
-        &mut wtxn,
-        &Task {
-            uid,
-            batch_uid: None,
-            enqueued_at: OffsetDateTime::now_utc(),
-            started_at: None,
-            finished_at: None,
-            error: None,
-            canceled_by: None,
-            details: Some(Details::UpgradeDatabase { from, to }),
-            status: Status::Enqueued,
-            kind: KindWithContent::UpgradeDatabase { from },
-        },
-    )?;
-    wtxn.commit()?;
-
-    Ok(())
-}
-
-#[allow(non_camel_case_types)]
-struct V1_12_ToCurrent {}
-
-impl UpgradeIndexScheduler for V1_12_ToCurrent {
-    fn upgrade(
-        &self,
-        _env: &Env,
-        _wtxn: &mut RwTxn,
-        _original: (u32, u32, u32),
-    ) -> anyhow::Result<()> {
-        Ok(())
-    }
-
-    fn target_version(&self) -> (u32, u32, u32) {
-        (
-            VERSION_MAJOR.parse().unwrap(),
-            VERSION_MINOR.parse().unwrap(),
-            VERSION_PATCH.parse().unwrap(),
-        )
-    }
-}

crates/index-scheduler/src/utils.rs

@@ -3,7 +3,7 @@
 use std::collections::{BTreeSet, HashSet};
 use std::ops::Bound;
 
-use meilisearch_types::batches::{Batch, BatchEnqueuedAt, BatchId, BatchStats};
+use meilisearch_types::batches::{Batch, BatchId, BatchStats};
 use meilisearch_types::heed::{Database, RoTxn, RwTxn};
 use meilisearch_types::milli::CboRoaringBitmapCodec;
 use meilisearch_types::task_view::DetailsView;
@@ -30,7 +30,8 @@ pub struct ProcessingBatch {
     pub kinds: HashSet<Kind>,
     pub indexes: HashSet<String>,
     pub canceled_by: HashSet<TaskId>,
-    pub enqueued_at: Option<BatchEnqueuedAt>,
+    pub oldest_enqueued_at: Option<OffsetDateTime>,
+    pub earliest_enqueued_at: Option<OffsetDateTime>,
     pub started_at: OffsetDateTime,
     pub finished_at: Option<OffsetDateTime>,
 }
@@ -50,7 +51,8 @@ impl ProcessingBatch {
             kinds: HashSet::default(),
             indexes: HashSet::default(),
             canceled_by: HashSet::default(),
-            enqueued_at: None,
+            oldest_enqueued_at: None,
+            earliest_enqueued_at: None,
             started_at: OffsetDateTime::now_utc(),
             finished_at: None,
         }
@@ -78,18 +80,14 @@ impl ProcessingBatch {
             if let Some(canceled_by) = task.canceled_by {
                 self.canceled_by.insert(canceled_by);
             }
-            match self.enqueued_at.as_mut() {
-                Some(BatchEnqueuedAt { earliest, oldest }) => {
-                    *oldest = task.enqueued_at.min(*oldest);
-                    *earliest = task.enqueued_at.max(*earliest);
-                }
-                None => {
-                    self.enqueued_at = Some(BatchEnqueuedAt {
-                        earliest: task.enqueued_at,
-                        oldest: task.enqueued_at,
-                    });
-                }
-            }
+            self.oldest_enqueued_at =
+                Some(self.oldest_enqueued_at.map_or(task.enqueued_at, |oldest_enqueued_at| {
+                    task.enqueued_at.min(oldest_enqueued_at)
+                }));
+            self.earliest_enqueued_at =
+                Some(self.earliest_enqueued_at.map_or(task.enqueued_at, |earliest_enqueued_at| {
+                    task.enqueued_at.max(earliest_enqueued_at)
+                }));
         }
     }
 
@@ -140,7 +138,6 @@ impl ProcessingBatch {
             stats: self.stats.clone(),
             started_at: self.started_at,
             finished_at: self.finished_at,
-            enqueued_at: self.enqueued_at,
         }
     }
 }
@@ -177,33 +174,6 @@ pub(crate) fn remove_task_datetime(
     Ok(())
 }
 
-pub(crate) fn remove_n_tasks_datetime_earlier_than(
-    wtxn: &mut RwTxn,
-    database: Database<BEI128, CboRoaringBitmapCodec>,
-    earlier_than: OffsetDateTime,
-    mut count: usize,
-    task_id: TaskId,
-) -> Result<()> {
-    let earlier_than = earlier_than.unix_timestamp_nanos();
-    let mut iter = database.rev_range_mut(wtxn, &(..earlier_than))?;
-    while let Some((current, mut existing)) = iter.next().transpose()? {
-        count -= existing.remove(task_id) as usize;
-
-        if existing.is_empty() {
-            // safety: We don't keep references to the database
-            unsafe { iter.del_current()? };
-        } else {
-            // safety: We don't keep references to the database
-            unsafe { iter.put_current(&current, &existing)? };
-        }
-        if count == 0 {
-            break;
-        }
-    }
-
-    Ok(())
-}
-
 pub(crate) fn keep_ids_within_datetimes(
     rtxn: &RoTxn,
     ids: &mut RoaringBitmap,
@@ -264,7 +234,6 @@ pub fn swap_index_uid_in_task(task: &mut Task, swap: (&str, &str)) {
         K::TaskCancelation { .. }
         | K::TaskDeletion { .. }
         | K::DumpCreation { .. }
-        | K::UpgradeDatabase { .. }
         | K::SnapshotCreation => (),
     };
     if let Some(Details::IndexSwap { swaps }) = &mut task.details {
@@ -359,27 +328,14 @@ impl crate::IndexScheduler {
                 kind,
             } = task;
             assert_eq!(uid, task.uid);
-            if task.status != Status::Enqueued {
-                let batch_uid = batch_uid.expect("All non enqueued tasks must be part of a batch");
+            if let Some(ref batch) = batch_uid {
                 assert!(self
                     .queue
                     .batch_to_tasks_mapping
-                    .get(&rtxn, &batch_uid)
+                    .get(&rtxn, batch)
                     .unwrap()
                     .unwrap()
                     .contains(uid));
-                let batch = self.queue.batches.get_batch(&rtxn, batch_uid).unwrap().unwrap();
-                assert_eq!(batch.uid, batch_uid);
-                if task.status == Status::Processing {
-                    assert!(batch.progress.is_some());
-                } else {
-                    assert!(batch.progress.is_none());
-                }
-                assert_eq!(batch.started_at, task.started_at.unwrap());
-                assert_eq!(batch.finished_at, task.finished_at);
-                let enqueued_at = batch.enqueued_at.unwrap();
-                assert!(task.enqueued_at >= enqueued_at.oldest);
-                assert!(task.enqueued_at <= enqueued_at.earliest);
             }
             if let Some(task_index_uid) = &task_index_uid {
                 assert!(self
@@ -591,9 +547,6 @@ impl crate::IndexScheduler {
                     Details::Dump { dump_uid: _ } => {
                         assert_eq!(kind.as_kind(), Kind::DumpCreation);
                     }
-                    Details::UpgradeDatabase { from: _, to: _ } => {
-                        assert_eq!(kind.as_kind(), Kind::UpgradeDatabase);
-                    }
                 }
             }
 

crates/index-scheduler/src/versioning.rs

@@ -1,75 +0,0 @@
-use crate::{upgrade::upgrade_index_scheduler, Result};
-use meilisearch_types::{
-    heed::{types::Str, Database, Env, RoTxn, RwTxn},
-    milli::heed_codec::version::VersionCodec,
-    versioning,
-};
-
-/// The number of database used by queue itself
-const NUMBER_OF_DATABASES: u32 = 1;
-/// Database const names for the `IndexScheduler`.
-mod db_name {
-    pub const VERSION: &str = "version";
-}
-mod entry_name {
-    pub const MAIN: &str = "main";
-}
-
-#[derive(Clone)]
-pub struct Versioning {
-    pub version: Database<Str, VersionCodec>,
-}
-
-impl Versioning {
-    pub(crate) const fn nb_db() -> u32 {
-        NUMBER_OF_DATABASES
-    }
-
-    pub fn get_version(&self, rtxn: &RoTxn) -> Result<Option<(u32, u32, u32)>> {
-        Ok(self.version.get(rtxn, entry_name::MAIN)?)
-    }
-
-    pub fn set_version(&self, wtxn: &mut RwTxn, version: (u32, u32, u32)) -> Result<()> {
-        Ok(self.version.put(wtxn, entry_name::MAIN, &version)?)
-    }
-
-    pub fn set_current_version(&self, wtxn: &mut RwTxn) -> Result<()> {
-        let major = versioning::VERSION_MAJOR.parse().unwrap();
-        let minor = versioning::VERSION_MINOR.parse().unwrap();
-        let patch = versioning::VERSION_PATCH.parse().unwrap();
-        self.set_version(wtxn, (major, minor, patch))
-    }
-
-    /// Create an index scheduler and start its run loop.
-    pub(crate) fn new(env: &Env, db_version: (u32, u32, u32)) -> Result<Self> {
-        let mut wtxn = env.write_txn()?;
-        let version = env.create_database(&mut wtxn, Some(db_name::VERSION))?;
-        let this = Self { version };
-        let from = match this.get_version(&wtxn)? {
-            Some(version) => version,
-            // fresh DB: use the db version
-            None => {
-                this.set_version(&mut wtxn, db_version)?;
-                db_version
-            }
-        };
-        wtxn.commit()?;
-
-        let bin_major: u32 = versioning::VERSION_MAJOR.parse().unwrap();
-        let bin_minor: u32 = versioning::VERSION_MINOR.parse().unwrap();
-        let bin_patch: u32 = versioning::VERSION_PATCH.parse().unwrap();
-        let to = (bin_major, bin_minor, bin_patch);
-
-        if from != to {
-            upgrade_index_scheduler(env, &this, from, to)?;
-        }
-
-        // Once we reach this point it means the upgrade process, if there was one is entirely finished
-        // we can safely say we reached the latest version of the index scheduler
-        let mut wtxn = env.write_txn()?;
-        this.set_current_version(&mut wtxn)?;
-        wtxn.commit()?;
-
-        Ok(this)
-    }
-}

crates/meilisearch-types/src/batches.rs

@@ -24,18 +24,6 @@ pub struct Batch {
     pub started_at: OffsetDateTime,
     #[serde(with = "time::serde::rfc3339::option")]
     pub finished_at: Option<OffsetDateTime>,
-
-    // Enqueued at is never displayed and is only required when removing a batch.
-    // It's always some except when upgrading from a database pre v1.12
-    pub enqueued_at: Option<BatchEnqueuedAt>,
-}
-
-#[derive(Clone, Copy, Debug, Serialize, Deserialize)]
-pub struct BatchEnqueuedAt {
-    #[serde(with = "time::serde::rfc3339")]
-    pub earliest: OffsetDateTime,
-    #[serde(with = "time::serde::rfc3339")]
-    pub oldest: OffsetDateTime,
 }
 
 #[derive(Default, Debug, Clone, Serialize, Deserialize, ToSchema)]

crates/meilisearch-types/src/deserr/mod.rs

@@ -193,8 +193,6 @@ merge_with_error_impl_take_error_message!(ParseTaskKindError);
 merge_with_error_impl_take_error_message!(ParseTaskStatusError);
 merge_with_error_impl_take_error_message!(IndexUidFormatError);
 merge_with_error_impl_take_error_message!(InvalidMultiSearchWeight);
-merge_with_error_impl_take_error_message!(InvalidNetworkUrl);
-merge_with_error_impl_take_error_message!(InvalidNetworkSearchApiKey);
 merge_with_error_impl_take_error_message!(InvalidSearchSemanticRatio);
 merge_with_error_impl_take_error_message!(InvalidSearchRankingScoreThreshold);
 merge_with_error_impl_take_error_message!(InvalidSimilarRankingScoreThreshold);

crates/meilisearch-types/src/error.rs

@@ -260,13 +260,7 @@ InvalidMultiSearchMergeFacets         , InvalidRequest       , BAD_REQUEST ;
 InvalidMultiSearchQueryFacets         , InvalidRequest       , BAD_REQUEST ;
 InvalidMultiSearchQueryPagination     , InvalidRequest       , BAD_REQUEST ;
 InvalidMultiSearchQueryRankingRules   , InvalidRequest       , BAD_REQUEST ;
-InvalidMultiSearchQueryPosition       , InvalidRequest       , BAD_REQUEST ;
-InvalidMultiSearchRemote              , InvalidRequest       , BAD_REQUEST ;
 InvalidMultiSearchWeight              , InvalidRequest       , BAD_REQUEST ;
-InvalidNetworkRemotes                 , InvalidRequest       , BAD_REQUEST ;
-InvalidNetworkSelf                    , InvalidRequest       , BAD_REQUEST ;
-InvalidNetworkSearchApiKey            , InvalidRequest       , BAD_REQUEST ;
-InvalidNetworkUrl                     , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchAttributesToSearchOn     , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchAttributesToCrop         , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchAttributesToHighlight    , InvalidRequest       , BAD_REQUEST ;
@@ -357,19 +351,12 @@ MissingDocumentId                     , InvalidRequest       , BAD_REQUEST ;
 MissingFacetSearchFacetName           , InvalidRequest       , BAD_REQUEST ;
 MissingIndexUid                       , InvalidRequest       , BAD_REQUEST ;
 MissingMasterKey                      , Auth                 , UNAUTHORIZED ;
-MissingNetworkUrl                     , InvalidRequest       , BAD_REQUEST ;
 MissingPayload                        , InvalidRequest       , BAD_REQUEST ;
 MissingSearchHybrid                   , InvalidRequest       , BAD_REQUEST ;
 MissingSwapIndexes                    , InvalidRequest       , BAD_REQUEST ;
 MissingTaskFilters                    , InvalidRequest       , BAD_REQUEST ;
 NoSpaceLeftOnDevice                   , System               , UNPROCESSABLE_ENTITY;
 PayloadTooLarge                       , InvalidRequest       , PAYLOAD_TOO_LARGE ;
-RemoteBadResponse                     , System               , BAD_GATEWAY ;
-RemoteBadRequest                      , InvalidRequest       , BAD_REQUEST ;
-RemoteCouldNotSendRequest             , System               , BAD_GATEWAY ;
-RemoteInvalidApiKey                   , Auth                 , FORBIDDEN ;
-RemoteRemoteError                     , System               , BAD_GATEWAY ;
-RemoteTimeout                         , System               , BAD_GATEWAY ;
 TooManySearchRequests                 , System               , SERVICE_UNAVAILABLE ;
 TaskNotFound                          , InvalidRequest       , NOT_FOUND ;
 BatchNotFound                         , InvalidRequest       , NOT_FOUND ;
@@ -596,18 +583,6 @@ impl fmt::Display for deserr_codes::InvalidSimilarRankingScoreThreshold {
     }
 }
 
-impl fmt::Display for deserr_codes::InvalidNetworkUrl {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(f, "the value of `url` is invalid, expected a string.")
-    }
-}
-
-impl fmt::Display for deserr_codes::InvalidNetworkSearchApiKey {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(f, "the value of `searchApiKey` is invalid, expected a string.")
-    }
-}
-
 #[macro_export]
 macro_rules! internal_error {
     ($target:ty : $($other:path), *) => {

crates/meilisearch-types/src/features.rs

@@ -1,5 +1,3 @@
-use std::collections::BTreeMap;
-
 use serde::{Deserialize, Serialize};
 
 #[derive(Serialize, Deserialize, Debug, Clone, Copy, Default, PartialEq, Eq)]
@@ -9,7 +7,6 @@ pub struct RuntimeTogglableFeatures {
     pub logs_route: bool,
     pub edit_documents_by_function: bool,
     pub contains_filter: bool,
-    pub network: bool,
 }
 
 #[derive(Default, Debug, Clone, Copy)]
@@ -18,20 +15,3 @@ pub struct InstanceTogglableFeatures {
     pub logs_route: bool,
     pub contains_filter: bool,
 }
-
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq)]
-#[serde(rename_all = "camelCase")]
-pub struct Remote {
-    pub url: String,
-    #[serde(default)]
-    pub search_api_key: Option<String>,
-}
-
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq, Default)]
-#[serde(rename_all = "camelCase")]
-pub struct Network {
-    #[serde(default, rename = "self")]
-    pub local: Option<String>,
-    #[serde(default)]
-    pub remotes: BTreeMap<String, Remote>,
-}

crates/meilisearch-types/src/index_uid.rs

@@ -4,14 +4,13 @@ use std::fmt;
 use std::str::FromStr;
 
 use deserr::Deserr;
-use serde::Serialize;
 use utoipa::ToSchema;
 
 use crate::error::{Code, ErrorCode};
 
 /// An index uid is composed of only ascii alphanumeric characters, - and _, between 1 and 400
 /// bytes long
-#[derive(Debug, Clone, PartialEq, Eq, Deserr, PartialOrd, Ord, Serialize, ToSchema)]
+#[derive(Debug, Clone, PartialEq, Eq, Deserr, PartialOrd, Ord, ToSchema)]
 #[deserr(try_from(String) = IndexUid::try_from -> IndexUidFormatError)]
 #[schema(value_type = String, example = "movies")]
 pub struct IndexUid(String);

crates/meilisearch-types/src/keys.rs

@@ -302,12 +302,6 @@ pub enum Action {
     #[serde(rename = "experimental.update")]
     #[deserr(rename = "experimental.update")]
     ExperimentalFeaturesUpdate,
-    #[serde(rename = "network.get")]
-    #[deserr(rename = "network.get")]
-    NetworkGet,
-    #[serde(rename = "network.update")]
-    #[deserr(rename = "network.update")]
-    NetworkUpdate,
 }
 
 impl Action {
@@ -347,8 +341,6 @@ impl Action {
             KEYS_DELETE => Some(Self::KeysDelete),
             EXPERIMENTAL_FEATURES_GET => Some(Self::ExperimentalFeaturesGet),
             EXPERIMENTAL_FEATURES_UPDATE => Some(Self::ExperimentalFeaturesUpdate),
-            NETWORK_GET => Some(Self::NetworkGet),
-            NETWORK_UPDATE => Some(Self::NetworkUpdate),
             _otherwise => None,
         }
     }
@@ -394,7 +386,4 @@ pub mod actions {
     pub const KEYS_DELETE: u8 = KeysDelete.repr();
     pub const EXPERIMENTAL_FEATURES_GET: u8 = ExperimentalFeaturesGet.repr();
     pub const EXPERIMENTAL_FEATURES_UPDATE: u8 = ExperimentalFeaturesUpdate.repr();
-
-    pub const NETWORK_GET: u8 = NetworkGet.repr();
-    pub const NETWORK_UPDATE: u8 = NetworkUpdate.repr();
 }

crates/meilisearch-types/src/lib.rs

@@ -15,7 +15,7 @@ pub mod star_or;
 pub mod task_view;
 pub mod tasks;
 pub mod versioning;
-pub use milli::{heed, Index};
+pub use milli::{heed, zstd, Index};
 use uuid::Uuid;
 pub use versioning::VERSION_FILE_NAME;
 pub use {milli, serde_cs};

crates/meilisearch-types/src/task_view.rs

@@ -114,10 +114,6 @@ pub struct DetailsView {
     pub settings: Option<Box<Settings<Unchecked>>>,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub swaps: Option<Vec<IndexSwap>>,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub upgrade_from: Option<String>,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub upgrade_to: Option<String>,
 }
 
 impl DetailsView {
@@ -238,18 +234,6 @@ impl DetailsView {
                     Some(left)
                 }
             },
-            // We want the earliest version
-            upgrade_from: match (self.upgrade_from.clone(), other.upgrade_from.clone()) {
-                (None, None) => None,
-                (None, Some(from)) | (Some(from), None) => Some(from),
-                (Some(from), Some(_)) => Some(from),
-            },
-            // And the latest
-            upgrade_to: match (self.upgrade_to.clone(), other.upgrade_to.clone()) {
-                (None, None) => None,
-                (None, Some(to)) | (Some(to), None) => Some(to),
-                (Some(_), Some(to)) => Some(to),
-            },
         }
     }
 }
@@ -327,11 +311,6 @@ impl From<Details> for DetailsView {
             Details::IndexSwap { swaps } => {
                 DetailsView { swaps: Some(swaps), ..Default::default() }
             }
-            Details::UpgradeDatabase { from, to } => DetailsView {
-                upgrade_from: Some(format!("v{}.{}.{}", from.0, from.1, from.2)),
-                upgrade_to: Some(format!("v{}.{}.{}", to.0, to.1, to.2)),
-                ..Default::default()
-            },
         }
     }
 }

crates/meilisearch-types/src/tasks.rs

@@ -16,7 +16,7 @@ use crate::batches::BatchId;
 use crate::error::ResponseError;
 use crate::keys::Key;
 use crate::settings::{Settings, Unchecked};
-use crate::{versioning, InstanceUid};
+use crate::InstanceUid;
 
 pub type TaskId = u32;
 
@@ -50,7 +50,6 @@ impl Task {
             | SnapshotCreation
             | TaskCancelation { .. }
             | TaskDeletion { .. }
-            | UpgradeDatabase { .. }
             | IndexSwap { .. } => None,
             DocumentAdditionOrUpdate { index_uid, .. }
             | DocumentEdition { index_uid, .. }
@@ -85,8 +84,7 @@ impl Task {
             | KindWithContent::TaskCancelation { .. }
             | KindWithContent::TaskDeletion { .. }
             | KindWithContent::DumpCreation { .. }
-            | KindWithContent::SnapshotCreation
-            | KindWithContent::UpgradeDatabase { .. } => None,
+            | KindWithContent::SnapshotCreation => None,
         }
     }
 }
@@ -152,9 +150,6 @@ pub enum KindWithContent {
         instance_uid: Option<InstanceUid>,
     },
     SnapshotCreation,
-    UpgradeDatabase {
-        from: (u32, u32, u32),
-    },
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, ToSchema)]
@@ -180,7 +175,6 @@ impl KindWithContent {
             KindWithContent::TaskDeletion { .. } => Kind::TaskDeletion,
             KindWithContent::DumpCreation { .. } => Kind::DumpCreation,
             KindWithContent::SnapshotCreation => Kind::SnapshotCreation,
-            KindWithContent::UpgradeDatabase { .. } => Kind::UpgradeDatabase,
         }
     }
 
@@ -191,8 +185,7 @@ impl KindWithContent {
             DumpCreation { .. }
             | SnapshotCreation
             | TaskCancelation { .. }
-            | TaskDeletion { .. }
-            | UpgradeDatabase { .. } => vec![],
+            | TaskDeletion { .. } => vec![],
             DocumentAdditionOrUpdate { index_uid, .. }
             | DocumentEdition { index_uid, .. }
             | DocumentDeletion { index_uid, .. }
@@ -269,14 +262,6 @@ impl KindWithContent {
             }),
             KindWithContent::DumpCreation { .. } => Some(Details::Dump { dump_uid: None }),
             KindWithContent::SnapshotCreation => None,
-            KindWithContent::UpgradeDatabase { from } => Some(Details::UpgradeDatabase {
-                from: (from.0, from.1, from.2),
-                to: (
-                    versioning::VERSION_MAJOR.parse().unwrap(),
-                    versioning::VERSION_MINOR.parse().unwrap(),
-                    versioning::VERSION_PATCH.parse().unwrap(),
-                ),
-            }),
         }
     }
 
@@ -335,14 +320,6 @@ impl KindWithContent {
             }),
             KindWithContent::DumpCreation { .. } => Some(Details::Dump { dump_uid: None }),
             KindWithContent::SnapshotCreation => None,
-            KindWithContent::UpgradeDatabase { from } => Some(Details::UpgradeDatabase {
-                from: *from,
-                to: (
-                    versioning::VERSION_MAJOR.parse().unwrap(),
-                    versioning::VERSION_MINOR.parse().unwrap(),
-                    versioning::VERSION_PATCH.parse().unwrap(),
-                ),
-            }),
         }
     }
 }
@@ -383,14 +360,6 @@ impl From<&KindWithContent> for Option<Details> {
             }),
             KindWithContent::DumpCreation { .. } => Some(Details::Dump { dump_uid: None }),
             KindWithContent::SnapshotCreation => None,
-            KindWithContent::UpgradeDatabase { from } => Some(Details::UpgradeDatabase {
-                from: *from,
-                to: (
-                    versioning::VERSION_MAJOR.parse().unwrap(),
-                    versioning::VERSION_MINOR.parse().unwrap(),
-                    versioning::VERSION_PATCH.parse().unwrap(),
-                ),
-            }),
         }
     }
 }
@@ -499,7 +468,6 @@ pub enum Kind {
     TaskDeletion,
     DumpCreation,
     SnapshotCreation,
-    UpgradeDatabase,
 }
 
 impl Kind {
@@ -516,7 +484,6 @@ impl Kind {
             | Kind::TaskCancelation
             | Kind::TaskDeletion
             | Kind::DumpCreation
-            | Kind::UpgradeDatabase
             | Kind::SnapshotCreation => false,
         }
     }
@@ -536,7 +503,6 @@ impl Display for Kind {
             Kind::TaskDeletion => write!(f, "taskDeletion"),
             Kind::DumpCreation => write!(f, "dumpCreation"),
             Kind::SnapshotCreation => write!(f, "snapshotCreation"),
-            Kind::UpgradeDatabase => write!(f, "upgradeDatabase"),
         }
     }
 }
@@ -568,8 +534,6 @@ impl FromStr for Kind {
             Ok(Kind::DumpCreation)
         } else if kind.eq_ignore_ascii_case("snapshotCreation") {
             Ok(Kind::SnapshotCreation)
-        } else if kind.eq_ignore_ascii_case("upgradeDatabase") {
-            Ok(Kind::UpgradeDatabase)
         } else {
             Err(ParseTaskKindError(kind.to_owned()))
         }
@@ -643,10 +607,6 @@ pub enum Details {
     IndexSwap {
         swaps: Vec<IndexSwap>,
     },
-    UpgradeDatabase {
-        from: (u32, u32, u32),
-        to: (u32, u32, u32),
-    },
 }
 
 impl Details {
@@ -667,7 +627,6 @@ impl Details {
             Self::SettingsUpdate { .. }
             | Self::IndexInfo { .. }
             | Self::Dump { .. }
-            | Self::UpgradeDatabase { .. }
             | Self::IndexSwap { .. } => (),
         }
 
@@ -728,9 +687,7 @@ pub fn serialize_duration<S: Serializer>(
 
 #[cfg(test)]
 mod tests {
-    use std::str::FromStr;
-
-    use super::{Details, Kind};
+    use super::Details;
     use crate::heed::types::SerdeJson;
     use crate::heed::{BytesDecode, BytesEncode};
 
@@ -746,13 +703,4 @@ mod tests {
         meili_snap::snapshot!(format!("{:?}", details), @r###"TaskDeletion { matched_tasks: 1, deleted_tasks: None, original_filter: "hello" }"###);
         meili_snap::snapshot!(format!("{:?}", deserialised), @r###"TaskDeletion { matched_tasks: 1, deleted_tasks: None, original_filter: "hello" }"###);
     }
-
-    #[test]
-    fn all_kind_can_be_from_str() {
-        for kind in enum_iterator::all::<Kind>() {
-            let s = kind.to_string();
-            let k = Kind::from_str(&s).map_err(|e| format!("Could not from_str {s}: {e}")).unwrap();
-            assert_eq!(kind, k, "{kind}.to_string() returned {s} which was parsed as {k}");
-        }
-    }
 }

crates/meilisearch-types/src/versioning.rs

@@ -5,39 +5,9 @@ use std::path::Path;
 /// The name of the file that contains the version of the database.
 pub const VERSION_FILE_NAME: &str = "VERSION";
 
-pub static VERSION_MAJOR: &str = env!("CARGO_PKG_VERSION_MAJOR");
-pub static VERSION_MINOR: &str = env!("CARGO_PKG_VERSION_MINOR");
-pub static VERSION_PATCH: &str = env!("CARGO_PKG_VERSION_PATCH");
-
-/// Persists the version of the current Meilisearch binary to a VERSION file
-pub fn update_version_file_for_dumpless_upgrade(
-    db_path: &Path,
-    from: (u32, u32, u32),
-    to: (u32, u32, u32),
-) -> Result<(), VersionFileError> {
-    let (from_major, from_minor, from_patch) = from;
-    let (to_major, to_minor, to_patch) = to;
-
-    if from_major > to_major
-        || (from_major == to_major && from_minor > to_minor)
-        || (from_major == to_major && from_minor == to_minor && from_patch > to_patch)
-    {
-        Err(VersionFileError::DowngradeNotSupported {
-            major: from_major,
-            minor: from_minor,
-            patch: from_patch,
-        })
-    } else if from_major < 1 || (from_major == to_major && from_minor < 12) {
-        Err(VersionFileError::TooOldForAutomaticUpgrade {
-            major: from_major,
-            minor: from_minor,
-            patch: from_patch,
-        })
-    } else {
-        create_current_version_file(db_path)?;
-        Ok(())
-    }
-}
+static VERSION_MAJOR: &str = env!("CARGO_PKG_VERSION_MAJOR");
+static VERSION_MINOR: &str = env!("CARGO_PKG_VERSION_MINOR");
+static VERSION_PATCH: &str = env!("CARGO_PKG_VERSION_PATCH");
 
 /// Persists the version of the current Meilisearch binary to a VERSION file
 pub fn create_current_version_file(db_path: &Path) -> io::Result<()> {
@@ -54,7 +24,18 @@ pub fn create_version_file(
     fs::write(version_path, format!("{}.{}.{}", major, minor, patch))
 }
 
-pub fn get_version(db_path: &Path) -> Result<(u32, u32, u32), VersionFileError> {
+/// Ensures Meilisearch version is compatible with the database, returns an error versions mismatch.
+pub fn check_version_file(db_path: &Path) -> anyhow::Result<()> {
+    let (major, minor, patch) = get_version(db_path)?;
+
+    if major != VERSION_MAJOR || minor != VERSION_MINOR {
+        return Err(VersionFileError::VersionMismatch { major, minor, patch }.into());
+    }
+
+    Ok(())
+}
+
+pub fn get_version(db_path: &Path) -> Result<(String, String, String), VersionFileError> {
     let version_path = db_path.join(VERSION_FILE_NAME);
 
     match fs::read_to_string(version_path) {
@@ -66,28 +47,11 @@ pub fn get_version(db_path: &Path) -> Result<(u32, u32, u32), VersionFileError>
     }
 }
 
-pub fn parse_version(version: &str) -> Result<(u32, u32, u32), VersionFileError> {
-    let version_components = version.trim().split('.').collect::<Vec<_>>();
+pub fn parse_version(version: &str) -> Result<(String, String, String), VersionFileError> {
+    let version_components = version.split('.').collect::<Vec<_>>();
     let (major, minor, patch) = match &version_components[..] {
-        [major, minor, patch] => (
-            major.parse().map_err(|e| VersionFileError::MalformedVersionFile {
-                context: format!("Could not parse the major: {e}"),
-            })?,
-            minor.parse().map_err(|e| VersionFileError::MalformedVersionFile {
-                context: format!("Could not parse the minor: {e}"),
-            })?,
-            patch.parse().map_err(|e| VersionFileError::MalformedVersionFile {
-                context: format!("Could not parse the patch: {e}"),
-            })?,
-        ),
-        _ => {
-            return Err(VersionFileError::MalformedVersionFile {
-                context: format!(
-                    "The version contains {} parts instead of 3 (major, minor and patch)",
-                    version_components.len()
-                ),
-            })
-        }
+        [major, minor, patch] => (major.to_string(), minor.to_string(), patch.to_string()),
+        _ => return Err(VersionFileError::MalformedVersionFile),
     };
     Ok((major, minor, patch))
 }
@@ -100,18 +64,14 @@ pub enum VersionFileError {
         env!("CARGO_PKG_VERSION").to_string()
     )]
     MissingVersionFile,
-    #[error("Version file is corrupted and thus Meilisearch is unable to determine the version of the database. {context}")]
-    MalformedVersionFile { context: String },
+    #[error("Version file is corrupted and thus Meilisearch is unable to determine the version of the database.")]
+    MalformedVersionFile,
     #[error(
         "Your database version ({major}.{minor}.{patch}) is incompatible with your current engine version ({}).\n\
         To migrate data between Meilisearch versions, please follow our guide on https://www.meilisearch.com/docs/learn/update_and_migration/updating.",
         env!("CARGO_PKG_VERSION").to_string()
     )]
-    VersionMismatch { major: u32, minor: u32, patch: u32 },
-    #[error("Database version {major}.{minor}.{patch} is higher than the Meilisearch version {VERSION_MAJOR}.{VERSION_MINOR}.{VERSION_PATCH}. Downgrade is not supported")]
-    DowngradeNotSupported { major: u32, minor: u32, patch: u32 },
-    #[error("Database version {major}.{minor}.{patch} is too old for the experimental dumpless upgrade feature. Please generate a dump using the v{major}.{minor}.{patch} and import it in the v{VERSION_MAJOR}.{VERSION_MINOR}.{VERSION_PATCH}")]
-    TooOldForAutomaticUpgrade { major: u32, minor: u32, patch: u32 },
+    VersionMismatch { major: String, minor: String, patch: String },
 
     #[error(transparent)]
     IoError(#[from] std::io::Error),

crates/meilisearch/Cargo.toml

@@ -105,16 +105,8 @@ tracing-actix-web = "0.7.15"
 build-info = { version = "1.7.0", path = "../build-info" }
 roaring = "0.10.10"
 mopa-maintained = "0.2.3"
-utoipa = { version = "5.3.1", features = [
-    "actix_extras",
-    "macros",
-    "non_strict_integers",
-    "preserve_order",
-    "uuid",
-    "time",
-    "openapi_extensions",
-] }
-utoipa-scalar = { version = "0.3.0", optional = true, features = ["actix-web"] }
+utoipa = { version = "5.3.1", features = ["actix_extras", "macros", "non_strict_integers", "preserve_order", "uuid", "time", "openapi_extensions"] }
+utoipa-scalar = { version = "0.2.1", optional = true, features = ["actix-web"] }
 
 [dev-dependencies]
 actix-rt = "2.10.0"
@@ -140,7 +132,7 @@ reqwest = { version = "0.12.12", features = [
 sha-1 = { version = "0.10.1", optional = true }
 static-files = { version = "0.2.4", optional = true }
 tempfile = { version = "3.15.0", optional = true }
-zip = { version = "2.2.2", optional = true }
+zip = { version = "2.2.2", default-features = false, features = ["deflate"], optional = true }
 
 [features]
 default = ["meilisearch-types/all-tokenizations", "mini-dashboard"]

crates/meilisearch/src/analytics/segment_analytics.rs

@@ -31,7 +31,6 @@ use crate::routes::{create_all_stats, Stats};
 use crate::Opt;
 
 const ANALYTICS_HEADER: &str = "X-Meilisearch-Client";
-const MEILI_SERVER_PROVIDER: &str = "MEILI_SERVER_PROVIDER";
 
 /// Write the instance-uid in the `data.ms` and in `~/.config/MeiliSearch/path-to-db-instance-uid`. Ignore the errors.
 fn write_user_id(db_path: &Path, user_id: &InstanceUid) {
@@ -190,13 +189,12 @@ struct Infos {
     experimental_drop_search_after: usize,
     experimental_nb_searches_per_core: usize,
     experimental_logs_mode: LogMode,
-    experimental_dumpless_upgrade: bool,
     experimental_replication_parameters: bool,
     experimental_enable_logs_route: bool,
     experimental_reduce_indexing_memory_usage: bool,
     experimental_max_number_of_batched_tasks: usize,
     experimental_limit_batched_tasks_total_size: u64,
-    experimental_network: bool,
+    experimental_enable_document_compression: bool,
     gpu_enabled: bool,
     db_path: bool,
     import_dump: bool,
@@ -238,12 +236,12 @@ impl Infos {
             experimental_drop_search_after,
             experimental_nb_searches_per_core,
             experimental_logs_mode,
-            experimental_dumpless_upgrade,
             experimental_replication_parameters,
             experimental_enable_logs_route,
             experimental_reduce_indexing_memory_usage,
             experimental_max_number_of_batched_tasks,
             experimental_limit_batched_tasks_total_size,
+            experimental_enable_document_compression,
             http_addr,
             master_key: _,
             env,
@@ -287,7 +285,6 @@ impl Infos {
             logs_route,
             edit_documents_by_function,
             contains_filter,
-            network,
         } = features;
 
         // We're going to override every sensible information.
@@ -301,11 +298,10 @@ impl Infos {
             experimental_drop_search_after: experimental_drop_search_after.into(),
             experimental_nb_searches_per_core: experimental_nb_searches_per_core.into(),
             experimental_logs_mode,
-            experimental_dumpless_upgrade,
             experimental_replication_parameters,
             experimental_enable_logs_route: experimental_enable_logs_route | logs_route,
             experimental_reduce_indexing_memory_usage,
-            experimental_network: network,
+            experimental_enable_document_compression,
             gpu_enabled: meilisearch_types::milli::vector::is_cuda_enabled(),
             db_path: db_path != PathBuf::from("./data.ms"),
             import_dump: import_dump.is_some(),
@@ -361,7 +357,7 @@ impl Segment {
                     "cores": sys.cpus().len(),
                     "ram_size": sys.total_memory(),
                     "disk_size": disks.iter().map(|disk| disk.total_space()).max(),
-                    "server_provider": std::env::var(MEILI_SERVER_PROVIDER).ok(),
+                    "server_provider": std::env::var("MEILI_SERVER_PROVIDER").ok(),
             })
         });
         let number_of_documents =
@@ -384,18 +380,10 @@ impl Segment {
         index_scheduler: Arc<IndexScheduler>,
         auth_controller: Arc<AuthController>,
     ) {
-        let interval: Duration = match std::env::var(MEILI_SERVER_PROVIDER) {
-            Ok(provider) if provider.starts_with("meili_cloud:") => {
-                Duration::from_secs(60 * 60) // one hour
-            }
-            _ => {
-                // We're an open source instance
-                Duration::from_secs(60 * 60 * 24) // one day
-            }
-        };
-
+        const INTERVAL: Duration = Duration::from_secs(60 * 60); // one hour
+                                                                 // The first batch must be sent after one hour.
         let mut interval =
-            tokio::time::interval_at(tokio::time::Instant::now() + interval, interval);
+            tokio::time::interval_at(tokio::time::Instant::now() + INTERVAL, INTERVAL);
 
         loop {
             select! {

crates/meilisearch/src/lib.rs

@@ -34,15 +34,11 @@ use error::PayloadError;
 use extractors::payload::PayloadConfig;
 use index_scheduler::{IndexScheduler, IndexSchedulerOptions};
 use meilisearch_auth::AuthController;
-use meilisearch_types::milli::constants::VERSION_MAJOR;
 use meilisearch_types::milli::documents::{DocumentsBatchBuilder, DocumentsBatchReader};
 use meilisearch_types::milli::update::{IndexDocumentsConfig, IndexDocumentsMethod};
 use meilisearch_types::settings::apply_settings_to_builder;
 use meilisearch_types::tasks::KindWithContent;
-use meilisearch_types::versioning::{
-    create_current_version_file, get_version, update_version_file_for_dumpless_upgrade,
-    VersionFileError, VERSION_MINOR, VERSION_PATCH,
-};
+use meilisearch_types::versioning::{check_version_file, create_current_version_file};
 use meilisearch_types::{compression, milli, VERSION_FILE_NAME};
 pub use option::Opt;
 use option::ScheduleSnapshot;
@@ -210,47 +206,13 @@ enum OnFailure {
 }
 
 pub fn setup_meilisearch(opt: &Opt) -> anyhow::Result<(Arc<IndexScheduler>, Arc<AuthController>)> {
-    let index_scheduler_opt = IndexSchedulerOptions {
-        version_file_path: opt.db_path.join(VERSION_FILE_NAME),
-        auth_path: opt.db_path.join("auth"),
-        tasks_path: opt.db_path.join("tasks"),
-        update_file_path: opt.db_path.join("update_files"),
-        indexes_path: opt.db_path.join("indexes"),
-        snapshots_path: opt.snapshot_dir.clone(),
-        dumps_path: opt.dump_dir.clone(),
-        webhook_url: opt.task_webhook_url.as_ref().map(|url| url.to_string()),
-        webhook_authorization_header: opt.task_webhook_authorization_header.clone(),
-        task_db_size: opt.max_task_db_size.as_u64() as usize,
-        index_base_map_size: opt.max_index_size.as_u64() as usize,
-        enable_mdb_writemap: opt.experimental_reduce_indexing_memory_usage,
-        indexer_config: Arc::new((&opt.indexer_options).try_into()?),
-        autobatching_enabled: true,
-        cleanup_enabled: !opt.experimental_replication_parameters,
-        max_number_of_tasks: 1_000_000,
-        max_number_of_batched_tasks: opt.experimental_max_number_of_batched_tasks,
-        batched_tasks_size_limit: opt.experimental_limit_batched_tasks_total_size,
-        index_growth_amount: byte_unit::Byte::from_str("10GiB").unwrap().as_u64() as usize,
-        index_count: DEFAULT_INDEX_COUNT,
-        instance_features: opt.to_instance_features(),
-        auto_upgrade: opt.experimental_dumpless_upgrade,
-    };
-    let bin_major: u32 = VERSION_MAJOR.parse().unwrap();
-    let bin_minor: u32 = VERSION_MINOR.parse().unwrap();
-    let bin_patch: u32 = VERSION_PATCH.parse().unwrap();
-    let binary_version = (bin_major, bin_minor, bin_patch);
-
     let empty_db = is_empty_db(&opt.db_path);
     let (index_scheduler, auth_controller) = if let Some(ref snapshot_path) = opt.import_snapshot {
         let snapshot_path_exists = snapshot_path.exists();
         // the db is empty and the snapshot exists, import it
         if empty_db && snapshot_path_exists {
             match compression::from_tar_gz(snapshot_path, &opt.db_path) {
-                Ok(()) => open_or_create_database_unchecked(
-                    opt,
-                    index_scheduler_opt,
-                    OnFailure::RemoveDb,
-                    binary_version, // the db is empty
-                )?,
+                Ok(()) => open_or_create_database_unchecked(opt, OnFailure::RemoveDb)?,
                 Err(e) => {
                     std::fs::remove_dir_all(&opt.db_path)?;
                     return Err(e);
@@ -267,18 +229,14 @@ pub fn setup_meilisearch(opt: &Opt) -> anyhow::Result<(Arc<IndexScheduler>, Arc<
             bail!("snapshot doesn't exist at {}", snapshot_path.display())
         // the snapshot and the db exist, and we can ignore the snapshot because of the ignore_snapshot_if_db_exists flag
         } else {
-            open_or_create_database(opt, index_scheduler_opt, empty_db, binary_version)?
+            open_or_create_database(opt, empty_db)?
         }
     } else if let Some(ref path) = opt.import_dump {
         let src_path_exists = path.exists();
         // the db is empty and the dump exists, import it
         if empty_db && src_path_exists {
-            let (mut index_scheduler, mut auth_controller) = open_or_create_database_unchecked(
-                opt,
-                index_scheduler_opt,
-                OnFailure::RemoveDb,
-                binary_version, // the db is empty
-            )?;
+            let (mut index_scheduler, mut auth_controller) =
+                open_or_create_database_unchecked(opt, OnFailure::RemoveDb)?;
             match import_dump(&opt.db_path, path, &mut index_scheduler, &mut auth_controller) {
                 Ok(()) => (index_scheduler, auth_controller),
                 Err(e) => {
@@ -298,10 +256,10 @@ pub fn setup_meilisearch(opt: &Opt) -> anyhow::Result<(Arc<IndexScheduler>, Arc<
         // the dump and the db exist and we can ignore the dump because of the ignore_dump_if_db_exists flag
         // or, the dump is missing but we can ignore that because of the ignore_missing_dump flag
         } else {
-            open_or_create_database(opt, index_scheduler_opt, empty_db, binary_version)?
+            open_or_create_database(opt, empty_db)?
         }
     } else {
-        open_or_create_database(opt, index_scheduler_opt, empty_db, binary_version)?
+        open_or_create_database(opt, empty_db)?
     };
 
     // We create a loop in a thread that registers snapshotCreation tasks
@@ -329,15 +287,37 @@ pub fn setup_meilisearch(opt: &Opt) -> anyhow::Result<(Arc<IndexScheduler>, Arc<
 /// Try to start the IndexScheduler and AuthController without checking the VERSION file or anything.
 fn open_or_create_database_unchecked(
     opt: &Opt,
-    index_scheduler_opt: IndexSchedulerOptions,
     on_failure: OnFailure,
-    version: (u32, u32, u32),
 ) -> anyhow::Result<(IndexScheduler, AuthController)> {
     // we don't want to create anything in the data.ms yet, thus we
     // wrap our two builders in a closure that'll be executed later.
     let auth_controller = AuthController::new(&opt.db_path, &opt.master_key);
-    let index_scheduler_builder =
-        || -> anyhow::Result<_> { Ok(IndexScheduler::new(index_scheduler_opt, version)?) };
+    let instance_features = opt.to_instance_features();
+    let index_scheduler_builder = || -> anyhow::Result<_> {
+        Ok(IndexScheduler::new(IndexSchedulerOptions {
+            version_file_path: opt.db_path.join(VERSION_FILE_NAME),
+            auth_path: opt.db_path.join("auth"),
+            tasks_path: opt.db_path.join("tasks"),
+            update_file_path: opt.db_path.join("update_files"),
+            indexes_path: opt.db_path.join("indexes"),
+            snapshots_path: opt.snapshot_dir.clone(),
+            dumps_path: opt.dump_dir.clone(),
+            webhook_url: opt.task_webhook_url.as_ref().map(|url| url.to_string()),
+            webhook_authorization_header: opt.task_webhook_authorization_header.clone(),
+            task_db_size: opt.max_task_db_size.as_u64() as usize,
+            index_base_map_size: opt.max_index_size.as_u64() as usize,
+            enable_mdb_writemap: opt.experimental_reduce_indexing_memory_usage,
+            indexer_config: Arc::new((&opt.indexer_options).try_into()?),
+            autobatching_enabled: true,
+            cleanup_enabled: !opt.experimental_replication_parameters,
+            max_number_of_tasks: 1_000_000,
+            max_number_of_batched_tasks: opt.experimental_max_number_of_batched_tasks,
+            batched_tasks_size_limit: opt.experimental_limit_batched_tasks_total_size,
+            index_growth_amount: byte_unit::Byte::from_str("10GiB").unwrap().as_u64() as usize,
+            index_count: DEFAULT_INDEX_COUNT,
+            instance_features,
+        })?)
+    };
 
     match (
         index_scheduler_builder(),
@@ -354,42 +334,16 @@ fn open_or_create_database_unchecked(
     }
 }
 
-/// Ensures Meilisearch version is compatible with the database, returns an error in case of version mismatch.
-/// Returns the version that was contained in the version file
-fn check_version(opt: &Opt, binary_version: (u32, u32, u32)) -> anyhow::Result<(u32, u32, u32)> {
-    let (bin_major, bin_minor, bin_patch) = binary_version;
-    let (db_major, db_minor, db_patch) = get_version(&opt.db_path)?;
-
-    if db_major != bin_major || db_minor != bin_minor || db_patch > bin_patch {
-        if opt.experimental_dumpless_upgrade {
-            update_version_file_for_dumpless_upgrade(
-                &opt.db_path,
-                (db_major, db_minor, db_patch),
-                (bin_major, bin_minor, bin_patch),
-            )?;
-        } else {
-            return Err(VersionFileError::VersionMismatch {
-                major: db_major,
-                minor: db_minor,
-                patch: db_patch,
-            }
-            .into());
-        }
-    }
-
-    Ok((db_major, db_minor, db_patch))
-}
-
 /// Ensure you're in a valid state and open the IndexScheduler + AuthController for you.
 fn open_or_create_database(
     opt: &Opt,
-    index_scheduler_opt: IndexSchedulerOptions,
     empty_db: bool,
-    binary_version: (u32, u32, u32),
 ) -> anyhow::Result<(IndexScheduler, AuthController)> {
-    let version = if !empty_db { check_version(opt, binary_version)? } else { binary_version };
+    if !empty_db {
+        check_version_file(&opt.db_path)?;
+    }
 
-    open_or_create_database_unchecked(opt, index_scheduler_opt, OnFailure::KeepDb, version)
+    open_or_create_database_unchecked(opt, OnFailure::KeepDb)
 }
 
 fn import_dump(
@@ -431,13 +385,10 @@ fn import_dump(
         keys.push(key);
     }
 
-    // 3. Import the runtime features and network
+    // 3. Import the runtime features.
     let features = dump_reader.features()?.unwrap_or_default();
     index_scheduler.put_runtime_features(features)?;
 
-    let network = dump_reader.network()?.cloned().unwrap_or_default();
-    index_scheduler.put_network(network)?;
-
     let indexer_config = index_scheduler.indexer_config();
 
     // /!\ The tasks must be imported AFTER importing the indexes or else the scheduler might

crates/meilisearch/src/option.rs

@@ -49,7 +49,6 @@ const MEILI_IGNORE_DUMP_IF_DB_EXISTS: &str = "MEILI_IGNORE_DUMP_IF_DB_EXISTS";
 const MEILI_DUMP_DIR: &str = "MEILI_DUMP_DIR";
 const MEILI_LOG_LEVEL: &str = "MEILI_LOG_LEVEL";
 const MEILI_EXPERIMENTAL_LOGS_MODE: &str = "MEILI_EXPERIMENTAL_LOGS_MODE";
-const MEILI_EXPERIMENTAL_DUMPLESS_UPGRADE: &str = "MEILI_EXPERIMENTAL_DUMPLESS_UPGRADE";
 const MEILI_EXPERIMENTAL_REPLICATION_PARAMETERS: &str = "MEILI_EXPERIMENTAL_REPLICATION_PARAMETERS";
 const MEILI_EXPERIMENTAL_ENABLE_LOGS_ROUTE: &str = "MEILI_EXPERIMENTAL_ENABLE_LOGS_ROUTE";
 const MEILI_EXPERIMENTAL_CONTAINS_FILTER: &str = "MEILI_EXPERIMENTAL_CONTAINS_FILTER";
@@ -63,6 +62,8 @@ const MEILI_EXPERIMENTAL_MAX_NUMBER_OF_BATCHED_TASKS: &str =
     "MEILI_EXPERIMENTAL_MAX_NUMBER_OF_BATCHED_TASKS";
 const MEILI_EXPERIMENTAL_LIMIT_BATCHED_TASKS_TOTAL_SIZE: &str =
     "MEILI_EXPERIMENTAL_LIMIT_BATCHED_TASKS_SIZE";
+const MEILI_EXPERIMENTAL_ENABLE_DOCUMENT_COMPRESSION: &str =
+    "MEILI_EXPERIMENTAL_ENABLE_DOCUMENT_COMPRESSION";
 
 const DEFAULT_CONFIG_FILE_PATH: &str = "./config.toml";
 const DEFAULT_DB_PATH: &str = "./data.ms";
@@ -401,13 +402,6 @@ pub struct Opt {
     #[serde(default)]
     pub experimental_logs_mode: LogMode,
 
-    /// Experimental dumpless upgrade. For more information, see: <https://github.com/orgs/meilisearch/discussions/804>
-    ///
-    /// When set, Meilisearch will auto-update its database without using a dump.
-    #[clap(long, env = MEILI_EXPERIMENTAL_DUMPLESS_UPGRADE, default_value_t)]
-    #[serde(default)]
-    pub experimental_dumpless_upgrade: bool,
-
     /// Experimental logs route feature. For more information,
     /// see: <https://github.com/orgs/meilisearch/discussions/721>
     ///
@@ -446,6 +440,11 @@ pub struct Opt {
     #[serde(default = "default_limit_batched_tasks_total_size")]
     pub experimental_limit_batched_tasks_total_size: u64,
 
+    /// Experimentally enable the document compression feature, see: <https://github.com/orgs/meilisearch/discussions/802>
+    #[clap(long, env = MEILI_EXPERIMENTAL_ENABLE_DOCUMENT_COMPRESSION)]
+    #[serde(default)]
+    pub experimental_enable_document_compression: bool,
+
     #[serde(flatten)]
     #[clap(flatten)]
     pub indexer_options: IndexerOpts,
@@ -543,12 +542,12 @@ impl Opt {
             experimental_drop_search_after,
             experimental_nb_searches_per_core,
             experimental_logs_mode,
-            experimental_dumpless_upgrade,
             experimental_enable_logs_route,
             experimental_replication_parameters,
             experimental_reduce_indexing_memory_usage,
             experimental_max_number_of_batched_tasks,
             experimental_limit_batched_tasks_total_size,
+            experimental_enable_document_compression,
         } = self;
         export_to_env_if_not_present(MEILI_DB_PATH, db_path);
         export_to_env_if_not_present(MEILI_HTTP_ADDR, http_addr);
@@ -617,10 +616,6 @@ impl Opt {
             MEILI_EXPERIMENTAL_LOGS_MODE,
             experimental_logs_mode.to_string(),
         );
-        export_to_env_if_not_present(
-            MEILI_EXPERIMENTAL_DUMPLESS_UPGRADE,
-            experimental_dumpless_upgrade.to_string(),
-        );
         export_to_env_if_not_present(
             MEILI_EXPERIMENTAL_REPLICATION_PARAMETERS,
             experimental_replication_parameters.to_string(),
@@ -641,6 +636,10 @@ impl Opt {
             MEILI_EXPERIMENTAL_LIMIT_BATCHED_TASKS_TOTAL_SIZE,
             experimental_limit_batched_tasks_total_size.to_string(),
         );
+        export_to_env_if_not_present(
+            MEILI_EXPERIMENTAL_ENABLE_DOCUMENT_COMPRESSION,
+            experimental_enable_document_compression.to_string(),
+        );
         indexer_options.export_to_env();
     }
 

crates/meilisearch/src/routes/features.rs

@@ -50,7 +50,6 @@ pub fn configure(cfg: &mut web::ServiceConfig) {
             logs_route: Some(false),
             edit_documents_by_function: Some(false),
             contains_filter: Some(false),
-            network: Some(false),
         })),
         (status = 401, description = "The authorization header is missing", body = ResponseError, content_type = "application/json", example = json!(
             {
@@ -89,8 +88,6 @@ pub struct RuntimeTogglableFeatures {
     pub edit_documents_by_function: Option<bool>,
     #[deserr(default)]
     pub contains_filter: Option<bool>,
-    #[deserr(default)]
-    pub network: Option<bool>,
 }
 
 impl From<meilisearch_types::features::RuntimeTogglableFeatures> for RuntimeTogglableFeatures {
@@ -100,7 +97,6 @@ impl From<meilisearch_types::features::RuntimeTogglableFeatures> for RuntimeTogg
             logs_route,
             edit_documents_by_function,
             contains_filter,
-            network,
         } = value;
 
         Self {
@@ -108,7 +104,6 @@ impl From<meilisearch_types::features::RuntimeTogglableFeatures> for RuntimeTogg
             logs_route: Some(logs_route),
             edit_documents_by_function: Some(edit_documents_by_function),
             contains_filter: Some(contains_filter),
-            network: Some(network),
         }
     }
 }
@@ -119,7 +114,6 @@ pub struct PatchExperimentalFeatureAnalytics {
     logs_route: bool,
     edit_documents_by_function: bool,
     contains_filter: bool,
-    network: bool,
 }
 
 impl Aggregate for PatchExperimentalFeatureAnalytics {
@@ -133,7 +127,6 @@ impl Aggregate for PatchExperimentalFeatureAnalytics {
             logs_route: new.logs_route,
             edit_documents_by_function: new.edit_documents_by_function,
             contains_filter: new.contains_filter,
-            network: new.network,
         })
     }
 
@@ -156,7 +149,6 @@ impl Aggregate for PatchExperimentalFeatureAnalytics {
             logs_route: Some(false),
             edit_documents_by_function: Some(false),
             contains_filter: Some(false),
-            network: Some(false),
          })),
         (status = 401, description = "The authorization header is missing", body = ResponseError, content_type = "application/json", example = json!(
             {
@@ -189,18 +181,16 @@ async fn patch_features(
             .edit_documents_by_function
             .unwrap_or(old_features.edit_documents_by_function),
         contains_filter: new_features.0.contains_filter.unwrap_or(old_features.contains_filter),
-        network: new_features.0.network.unwrap_or(old_features.network),
     };
 
     // explicitly destructure for analytics rather than using the `Serialize` implementation, because
-    // it renames to camelCase, which we don't want for analytics.
+    // the it renames to camelCase, which we don't want for analytics.
     // **Do not** ignore fields with `..` or `_` here, because we want to add them in the future.
     let meilisearch_types::features::RuntimeTogglableFeatures {
         metrics,
         logs_route,
         edit_documents_by_function,
         contains_filter,
-        network,
     } = new_features;
 
     analytics.publish(
@@ -209,7 +199,6 @@ async fn patch_features(
             logs_route,
             edit_documents_by_function,
             contains_filter,
-            network,
         },
         &req,
     );

crates/meilisearch/src/routes/indexes/documents.rs

@@ -1411,43 +1411,50 @@ fn some_documents<'a, 't: 'a>(
     retrieve_vectors: RetrieveVectors,
 ) -> Result<impl Iterator<Item = Result<Document, ResponseError>> + 'a, ResponseError> {
     let fields_ids_map = index.fields_ids_map(rtxn)?;
+    let dictionary = index.document_decompression_dictionary(rtxn)?;
     let all_fields: Vec<_> = fields_ids_map.iter().map(|(id, _)| id).collect();
     let embedding_configs = index.embedding_configs(rtxn)?;
+    let mut buffer = Vec::new();
 
-    Ok(index.iter_documents(rtxn, doc_ids)?.map(move |ret| {
-        ret.map_err(ResponseError::from).and_then(|(key, document)| -> Result<_, ResponseError> {
-            let mut document = milli::obkv_to_json(&all_fields, &fields_ids_map, document)?;
-            match retrieve_vectors {
-                RetrieveVectors::Hide => {
-                    document.remove("_vectors");
-                }
-                RetrieveVectors::Retrieve => {
-                    // Clippy is simply wrong
-                    #[allow(clippy::manual_unwrap_or_default)]
-                    let mut vectors = match document.remove("_vectors") {
-                        Some(Value::Object(map)) => map,
-                        _ => Default::default(),
-                    };
-                    for (name, vector) in index.embeddings(rtxn, key)? {
-                        let user_provided = embedding_configs
-                            .iter()
-                            .find(|conf| conf.name == name)
-                            .is_some_and(|conf| conf.user_provided.contains(key));
-                        let embeddings = ExplicitVectors {
-                            embeddings: Some(vector.into()),
-                            regenerate: !user_provided,
-                        };
-                        vectors.insert(
-                            name,
-                            serde_json::to_value(embeddings).map_err(MeilisearchHttpError::from)?,
-                        );
+    Ok(index.iter_compressed_documents(rtxn, doc_ids)?.map(move |ret| {
+        ret.map_err(ResponseError::from).and_then(
+            |(key, compressed_document)| -> Result<_, ResponseError> {
+                let document = compressed_document
+                    .decompress_with_optional_dictionary(&mut buffer, dictionary.as_ref())?;
+                let mut document = milli::obkv_to_json(&all_fields, &fields_ids_map, document)?;
+                match retrieve_vectors {
+                    RetrieveVectors::Hide => {
+                        document.remove("_vectors");
+                    }
+                    RetrieveVectors::Retrieve => {
+                        // Clippy is simply wrong
+                        #[allow(clippy::manual_unwrap_or_default)]
+                        let mut vectors = match document.remove("_vectors") {
+                            Some(Value::Object(map)) => map,
+                            _ => Default::default(),
+                        };
+                        for (name, vector) in index.embeddings(rtxn, key)? {
+                            let user_provided = embedding_configs
+                                .iter()
+                                .find(|conf| conf.name == name)
+                                .is_some_and(|conf| conf.user_provided.contains(key));
+                            let embeddings = ExplicitVectors {
+                                embeddings: Some(vector.into()),
+                                regenerate: !user_provided,
+                            };
+                            vectors.insert(
+                                name,
+                                serde_json::to_value(embeddings)
+                                    .map_err(MeilisearchHttpError::from)?,
+                            );
+                        }
+                        document.insert("_vectors".into(), vectors.into());
                     }
-                    document.insert("_vectors".into(), vectors.into());
                 }
-            }
 
-            Ok(document)
-        })
+                Ok(document)
+            },
+        )
     }))
 }
 

crates/meilisearch/src/routes/mod.rs

@@ -34,7 +34,6 @@ use crate::routes::features::RuntimeTogglableFeatures;
 use crate::routes::indexes::documents::{DocumentDeletionByFilter, DocumentEditionByFunction};
 use crate::routes::indexes::IndexView;
 use crate::routes::multi_search::SearchResults;
-use crate::routes::network::{Network, Remote};
 use crate::routes::swap_indexes::SwapIndexesPayload;
 use crate::search::{
     FederatedSearch, FederatedSearchResult, Federation, FederationOptions, MergeFacets,
@@ -55,7 +54,6 @@ mod logs;
 mod metrics;
 mod multi_search;
 mod multi_search_analytics;
-pub mod network;
 mod open_api_utils;
 mod snapshot;
 mod swap_indexes;
@@ -77,7 +75,6 @@ pub mod tasks;
         (path = "/multi-search", api = multi_search::MultiSearchApi),
         (path = "/swap-indexes", api = swap_indexes::SwapIndexesApi),
         (path = "/experimental-features", api = features::ExperimentalFeaturesApi),
-        (path = "/network", api = network::NetworkApi),
     ),
     paths(get_health, get_version, get_stats),
     tags(
@@ -88,7 +85,7 @@ pub mod tasks;
         url = "/",
         description = "Local server",
     )),
-    components(schemas(PaginationView<KeyView>, PaginationView<IndexView>, IndexView, DocumentDeletionByFilter, AllBatches, BatchStats, ProgressStepView, ProgressView, BatchView, RuntimeTogglableFeatures, SwapIndexesPayload, DocumentEditionByFunction, MergeFacets, FederationOptions, SearchQueryWithIndex, Federation, FederatedSearch, FederatedSearchResult, SearchResults, SearchResultWithIndex, SimilarQuery, SimilarResult, PaginationView<serde_json::Value>, BrowseQuery, UpdateIndexRequest, IndexUid, IndexCreateRequest, KeyView, Action, CreateApiKey, UpdateStderrLogs, LogMode, GetLogs, IndexStats, Stats, HealthStatus, HealthResponse, VersionResponse, Code, ErrorType, AllTasks, TaskView, Status, DetailsView, ResponseError, Settings<Unchecked>, Settings<Checked>, TypoSettings, MinWordSizeTyposSetting, FacetingSettings, PaginationSettings, SummarizedTaskView, Kind, Network, Remote))
+    components(schemas(PaginationView<KeyView>, PaginationView<IndexView>, IndexView, DocumentDeletionByFilter, AllBatches, BatchStats, ProgressStepView, ProgressView, BatchView, RuntimeTogglableFeatures, SwapIndexesPayload, DocumentEditionByFunction, MergeFacets, FederationOptions, SearchQueryWithIndex, Federation, FederatedSearch, FederatedSearchResult, SearchResults, SearchResultWithIndex, SimilarQuery, SimilarResult, PaginationView<serde_json::Value>, BrowseQuery, UpdateIndexRequest, IndexUid, IndexCreateRequest, KeyView, Action, CreateApiKey, UpdateStderrLogs, LogMode, GetLogs, IndexStats, Stats, HealthStatus, HealthResponse, VersionResponse, Code, ErrorType, AllTasks, TaskView, Status, DetailsView, ResponseError, Settings<Unchecked>, Settings<Checked>, TypoSettings, MinWordSizeTyposSetting, FacetingSettings, PaginationSettings, SummarizedTaskView, Kind))
 )]
 pub struct MeilisearchApi;
 
@@ -106,8 +103,7 @@ pub fn configure(cfg: &mut web::ServiceConfig) {
         .service(web::scope("/multi-search").configure(multi_search::configure))
         .service(web::scope("/swap-indexes").configure(swap_indexes::configure))
         .service(web::scope("/metrics").configure(metrics::configure))
-        .service(web::scope("/experimental-features").configure(features::configure))
-        .service(web::scope("/network").configure(network::configure));
+        .service(web::scope("/experimental-features").configure(features::configure));
 
     #[cfg(feature = "swagger")]
     {
@@ -363,9 +359,9 @@ pub async fn running() -> HttpResponse {
 #[derive(Serialize, Debug, ToSchema)]
 #[serde(rename_all = "camelCase")]
 pub struct Stats {
-    /// The disk space used by the database, in bytes.
-    pub database_size: u64,
     /// The size of the database, in bytes.
+    pub database_size: u64,
+    #[serde(skip)]
     pub used_database_size: u64,
     /// The date of the last update in the RFC 3339 formats. Can be `null` if no update has ever been processed.
     #[serde(serialize_with = "time::serde::rfc3339::option::serialize")]
@@ -387,7 +383,6 @@ pub struct Stats {
         (status = 200, description = "The stats of the instance", body = Stats, content_type = "application/json", example = json!(
             {
                 "databaseSize": 567,
-                "usedDatabaseSize": 456,
                 "lastUpdate": "2019-11-20T09:40:33.711324Z",
                 "indexes": {
                     "movies": {

crates/meilisearch/src/routes/multi_search.rs

@@ -20,7 +20,6 @@ use crate::routes::indexes::search::search_kind;
 use crate::search::{
     add_search_rules, perform_federated_search, perform_search, FederatedSearch,
     FederatedSearchResult, RetrieveVectors, SearchQueryWithIndex, SearchResultWithIndex,
-    PROXY_SEARCH_HEADER, PROXY_SEARCH_HEADER_VALUE,
 };
 use crate::search_queue::SearchQueue;
 
@@ -49,7 +48,6 @@ pub struct SearchResults {
 /// Bundle multiple search queries in a single API request. Use this endpoint to search through multiple indexes at once.
 #[utoipa::path(
     post,
-    request_body = FederatedSearch,
     path = "",
     tag = "Multi-search",
     security(("Bearer" = ["search", "*"])),
@@ -188,22 +186,18 @@ pub async fn multi_search_with_post(
 
     let response = match federation {
         Some(federation) => {
-            // check remote header
-            let is_proxy = req
-                .headers()
-                .get(PROXY_SEARCH_HEADER)
-                .is_some_and(|value| value.as_bytes() == PROXY_SEARCH_HEADER_VALUE.as_bytes());
-            let search_result =
-                perform_federated_search(&index_scheduler, queries, federation, features, is_proxy)
-                    .await;
+            let search_result = tokio::task::spawn_blocking(move || {
+                perform_federated_search(&index_scheduler, queries, federation, features)
+            })
+            .await;
             permit.drop().await;
 
-            if search_result.is_ok() {
+            if let Ok(Ok(_)) = search_result {
                 multi_aggregate.succeed();
             }
 
             analytics.publish(multi_aggregate, &req);
-            HttpResponse::Ok().json(search_result?)
+            HttpResponse::Ok().json(search_result??)
         }
         None => {
             // Explicitly expect a `(ResponseError, usize)` for the error type rather than `ResponseError` only,

crates/meilisearch/src/routes/multi_search_analytics.rs

@@ -13,8 +13,6 @@ pub struct MultiSearchAggregator {
 
     // sum of the number of distinct indexes in each single request, use with total_received to compute an avg
     total_distinct_index_count: usize,
-    // sum of the number of distinct remotes in each single request, use with total_received to compute an avg
-    total_distinct_remote_count: usize,
     // number of queries with a single index, use with total_received to compute a proportion
     total_single_index: usize,
 
@@ -33,49 +31,46 @@ impl MultiSearchAggregator {
     pub fn from_federated_search(federated_search: &FederatedSearch) -> Self {
         let use_federation = federated_search.federation.is_some();
 
-        let mut distinct_indexes = HashSet::with_capacity(federated_search.queries.len());
-        let mut distinct_remotes = HashSet::with_capacity(federated_search.queries.len());
+        let distinct_indexes: HashSet<_> = federated_search
+            .queries
+            .iter()
+            .map(|query| {
+                let query = &query;
+                // make sure we get a compilation error if a field gets added to / removed from SearchQueryWithIndex
+                let SearchQueryWithIndex {
+                    index_uid,
+                    federation_options: _,
+                    q: _,
+                    vector: _,
+                    offset: _,
+                    limit: _,
+                    page: _,
+                    hits_per_page: _,
+                    attributes_to_retrieve: _,
+                    retrieve_vectors: _,
+                    attributes_to_crop: _,
+                    crop_length: _,
+                    attributes_to_highlight: _,
+                    show_ranking_score: _,
+                    show_ranking_score_details: _,
+                    show_matches_position: _,
+                    filter: _,
+                    sort: _,
+                    distinct: _,
+                    facets: _,
+                    highlight_pre_tag: _,
+                    highlight_post_tag: _,
+                    crop_marker: _,
+                    matching_strategy: _,
+                    attributes_to_search_on: _,
+                    hybrid: _,
+                    ranking_score_threshold: _,
+                    locales: _,
+                } = query;
 
-        // make sure we get a compilation error if a field gets added to / removed from SearchQueryWithIndex
-        for SearchQueryWithIndex {
-            index_uid,
-            federation_options,
-            q: _,
-            vector: _,
-            offset: _,
-            limit: _,
-            page: _,
-            hits_per_page: _,
-            attributes_to_retrieve: _,
-            retrieve_vectors: _,
-            attributes_to_crop: _,
-            crop_length: _,
-            attributes_to_highlight: _,
-            show_ranking_score: _,
-            show_ranking_score_details: _,
-            show_matches_position: _,
-            filter: _,
-            sort: _,
-            distinct: _,
-            facets: _,
-            highlight_pre_tag: _,
-            highlight_post_tag: _,
-            crop_marker: _,
-            matching_strategy: _,
-            attributes_to_search_on: _,
-            hybrid: _,
-            ranking_score_threshold: _,
-            locales: _,
-        } in &federated_search.queries
-        {
-            if let Some(federation_options) = federation_options {
-                if let Some(remote) = &federation_options.remote {
-                    distinct_remotes.insert(remote.as_str());
-                }
-            }
-
-            distinct_indexes.insert(index_uid.as_str());
-        }
+                index_uid.as_str()
+            })
+            .collect();
 
         let show_ranking_score =
             federated_search.queries.iter().any(|query| query.show_ranking_score);
@@ -86,7 +81,6 @@ impl MultiSearchAggregator {
             total_received: 1,
             total_succeeded: 0,
             total_distinct_index_count: distinct_indexes.len(),
-            total_distinct_remote_count: distinct_remotes.len(),
             total_single_index: if distinct_indexes.len() == 1 { 1 } else { 0 },
             total_search_count: federated_search.queries.len(),
             show_ranking_score,
@@ -116,8 +110,6 @@ impl Aggregate for MultiSearchAggregator {
         let total_succeeded = this.total_succeeded.saturating_add(new.total_succeeded);
         let total_distinct_index_count =
             this.total_distinct_index_count.saturating_add(new.total_distinct_index_count);
-        let total_distinct_remote_count =
-            this.total_distinct_remote_count.saturating_add(new.total_distinct_remote_count);
         let total_single_index = this.total_single_index.saturating_add(new.total_single_index);
         let total_search_count = this.total_search_count.saturating_add(new.total_search_count);
         let show_ranking_score = this.show_ranking_score || new.show_ranking_score;
@@ -129,7 +121,6 @@ impl Aggregate for MultiSearchAggregator {
             total_received,
             total_succeeded,
             total_distinct_index_count,
-            total_distinct_remote_count,
             total_single_index,
             total_search_count,
             show_ranking_score,
@@ -143,7 +134,6 @@ impl Aggregate for MultiSearchAggregator {
             total_received,
             total_succeeded,
             total_distinct_index_count,
-            total_distinct_remote_count,
             total_single_index,
             total_search_count,
             show_ranking_score,
@@ -162,10 +152,6 @@ impl Aggregate for MultiSearchAggregator {
                 "total_distinct_index_count": total_distinct_index_count,
                 "avg_distinct_index_count": (total_distinct_index_count as f64) / (total_received as f64), // not 0 else returned early
             },
-            "remotes": {
-                "total_distinct_remote_count": total_distinct_remote_count,
-                "avg_distinct_remote_count": (total_distinct_remote_count as f64) / (total_received as f64), // not 0 else returned early
-            },
             "searches": {
                 "total_search_count": total_search_count,
                 "avg_search_count": (total_search_count as f64) / (total_received as f64),

crates/meilisearch/src/routes/network.rs

@@ -1,261 +0,0 @@
-use std::collections::BTreeMap;
-
-use actix_web::web::{self, Data};
-use actix_web::{HttpRequest, HttpResponse};
-use deserr::actix_web::AwebJson;
-use deserr::Deserr;
-use index_scheduler::IndexScheduler;
-use itertools::{EitherOrBoth, Itertools};
-use meilisearch_types::deserr::DeserrJsonError;
-use meilisearch_types::error::deserr_codes::{
-    InvalidNetworkRemotes, InvalidNetworkSearchApiKey, InvalidNetworkSelf, InvalidNetworkUrl,
-};
-use meilisearch_types::error::ResponseError;
-use meilisearch_types::features::{Network as DbNetwork, Remote as DbRemote};
-use meilisearch_types::keys::actions;
-use meilisearch_types::milli::update::Setting;
-use serde::Serialize;
-use tracing::debug;
-use utoipa::{OpenApi, ToSchema};
-
-use crate::analytics::{Aggregate, Analytics};
-use crate::extractors::authentication::policies::ActionPolicy;
-use crate::extractors::authentication::GuardedData;
-use crate::extractors::sequential_extractor::SeqHandler;
-
-#[derive(OpenApi)]
-#[openapi(
-    paths(get_network, patch_network),
-    tags((
-        name = "Network",
-        description = "The `/network` route allows you to describe the topology of a network of Meilisearch instances.
-
-This route is **synchronous**. This means that no task object will be returned, and any change to the network will be made available immediately.",
-        external_docs(url = "https://www.meilisearch.com/docs/reference/api/network"),
-    )),
-)]
-pub struct NetworkApi;
-
-pub fn configure(cfg: &mut web::ServiceConfig) {
-    cfg.service(
-        web::resource("")
-            .route(web::get().to(get_network))
-            .route(web::patch().to(SeqHandler(patch_network))),
-    );
-}
-
-/// Get network topology
-///
-/// Get a list of all Meilisearch instances currently known to this instance.
-#[utoipa::path(
-    get,
-    path = "",
-    tag = "Network",
-    security(("Bearer" = ["network.get", "network.*", "*"])),
-    responses(
-        (status = OK, description = "Known nodes are returned", body = Network, content_type = "application/json", example = json!(
-            {
-            "self": "ms-0",
-            "remotes": {
-            "ms-0": Remote { url: Setting::Set("http://localhost:7700".into()), search_api_key: Setting::Reset },
-            "ms-1": Remote { url: Setting::Set("http://localhost:7701".into()), search_api_key: Setting::Set("foo".into()) },
-            "ms-2": Remote { url: Setting::Set("http://localhost:7702".into()), search_api_key: Setting::Set("bar".into()) },
-        }
-    })),
-        (status = 401, description = "The authorization header is missing", body = ResponseError, content_type = "application/json", example = json!(
-            {
-                "message": "The Authorization header is missing. It must use the bearer authorization method.",
-                "code": "missing_authorization_header",
-                "type": "auth",
-                "link": "https://docs.meilisearch.com/errors#missing_authorization_header"
-            }
-        )),
-    )
-)]
-async fn get_network(
-    index_scheduler: GuardedData<ActionPolicy<{ actions::NETWORK_GET }>, Data<IndexScheduler>>,
-) -> Result<HttpResponse, ResponseError> {
-    index_scheduler.features().check_network("Using the /network route")?;
-
-    let network = index_scheduler.network();
-    debug!(returns = ?network, "Get network");
-    Ok(HttpResponse::Ok().json(network))
-}
-
-#[derive(Debug, Deserr, ToSchema, Serialize)]
-#[deserr(error = DeserrJsonError<InvalidNetworkRemotes>, rename_all = camelCase, deny_unknown_fields)]
-#[serde(rename_all = "camelCase")]
-#[schema(rename_all = "camelCase")]
-pub struct Remote {
-    #[schema(value_type = Option<String>, example = json!({
-        "ms-0": Remote { url: Setting::Set("http://localhost:7700".into()), search_api_key: Setting::Reset },
-        "ms-1": Remote { url: Setting::Set("http://localhost:7701".into()), search_api_key: Setting::Set("foo".into()) },
-        "ms-2": Remote { url: Setting::Set("http://localhost:7702".into()), search_api_key: Setting::Set("bar".into()) },
-    }))]
-    #[deserr(default, error = DeserrJsonError<InvalidNetworkUrl>)]
-    #[serde(default)]
-    pub url: Setting<String>,
-    #[schema(value_type = Option<String>, example = json!("XWnBI8QHUc-4IlqbKPLUDuhftNq19mQtjc6JvmivzJU"))]
-    #[deserr(default, error = DeserrJsonError<InvalidNetworkSearchApiKey>)]
-    #[serde(default)]
-    pub search_api_key: Setting<String>,
-}
-
-#[derive(Debug, Deserr, ToSchema, Serialize)]
-#[deserr(error = DeserrJsonError, rename_all = camelCase, deny_unknown_fields)]
-#[serde(rename_all = "camelCase")]
-#[schema(rename_all = "camelCase")]
-pub struct Network {
-    #[schema(value_type = Option<BTreeMap<String, Remote>>, example = json!("http://localhost:7700"))]
-    #[deserr(default, error = DeserrJsonError<InvalidNetworkRemotes>)]
-    #[serde(default)]
-    pub remotes: Setting<BTreeMap<String, Option<Remote>>>,
-    #[schema(value_type = Option<String>, example = json!("ms-00"), rename = "self")]
-    #[serde(default, rename = "self")]
-    #[deserr(default, rename = "self", error = DeserrJsonError<InvalidNetworkSelf>)]
-    pub local: Setting<String>,
-}
-
-impl Remote {
-    pub fn try_into_db_node(self, name: &str) -> Result<DbRemote, ResponseError> {
-        Ok(DbRemote {
-            url: self.url.set().ok_or(ResponseError::from_msg(
-                format!("Missing field `.remotes.{name}.url`"),
-                meilisearch_types::error::Code::MissingNetworkUrl,
-            ))?,
-            search_api_key: self.search_api_key.set(),
-        })
-    }
-}
-
-#[derive(Serialize)]
-pub struct PatchNetworkAnalytics {
-    network_size: usize,
-    network_has_self: bool,
-}
-
-impl Aggregate for PatchNetworkAnalytics {
-    fn event_name(&self) -> &'static str {
-        "Network Updated"
-    }
-
-    fn aggregate(self: Box<Self>, new: Box<Self>) -> Box<Self> {
-        Box::new(Self { network_size: new.network_size, network_has_self: new.network_has_self })
-    }
-
-    fn into_event(self: Box<Self>) -> serde_json::Value {
-        serde_json::to_value(*self).unwrap_or_default()
-    }
-}
-
-/// Configure Network
-///
-/// Add or remove nodes from network.
-#[utoipa::path(
-    patch,
-    path = "",
-    tag = "Network",
-    request_body = Network,
-    security(("Bearer" = ["network.update", "network.*", "*"])),
-    responses(
-        (status = OK, description = "New network state is returned",  body = Network, content_type = "application/json", example = json!(
-            {
-                "self": "ms-0",
-                "remotes": {
-                "ms-0": Remote { url: Setting::Set("http://localhost:7700".into()), search_api_key: Setting::Reset },
-                "ms-1": Remote { url: Setting::Set("http://localhost:7701".into()), search_api_key: Setting::Set("foo".into()) },
-                "ms-2": Remote { url: Setting::Set("http://localhost:7702".into()), search_api_key: Setting::Set("bar".into()) },
-            }
-        })),
-        (status = 401, description = "The authorization header is missing", body = ResponseError, content_type = "application/json", example = json!(
-            {
-                "message": "The Authorization header is missing. It must use the bearer authorization method.",
-                "code": "missing_authorization_header",
-                "type": "auth",
-                "link": "https://docs.meilisearch.com/errors#missing_authorization_header"
-            }
-        )),
-    )
-)]
-async fn patch_network(
-    index_scheduler: GuardedData<ActionPolicy<{ actions::NETWORK_UPDATE }>, Data<IndexScheduler>>,
-    new_network: AwebJson<Network, DeserrJsonError>,
-    req: HttpRequest,
-    analytics: Data<Analytics>,
-) -> Result<HttpResponse, ResponseError> {
-    index_scheduler.features().check_network("Using the /network route")?;
-
-    let new_network = new_network.0;
-    let old_network = index_scheduler.network();
-    debug!(parameters = ?new_network, "Patch network");
-
-    let merged_self = match new_network.local {
-        Setting::Set(new_self) => Some(new_self),
-        Setting::Reset => None,
-        Setting::NotSet => old_network.local,
-    };
-
-    let merged_remotes = match new_network.remotes {
-        Setting::Set(new_remotes) => {
-            let mut merged_remotes = BTreeMap::new();
-            for either_or_both in old_network
-                .remotes
-                .into_iter()
-                .merge_join_by(new_remotes.into_iter(), |left, right| left.0.cmp(&right.0))
-            {
-                match either_or_both {
-                    EitherOrBoth::Both((key, old), (_, Some(new))) => {
-                        let DbRemote { url: old_url, search_api_key: old_search_api_key } = old;
-
-                        let Remote { url: new_url, search_api_key: new_search_api_key } = new;
-
-                        let merged = DbRemote {
-                            url: match new_url {
-                                Setting::Set(new_url) => new_url,
-                                Setting::Reset => {
-                                    return Err(ResponseError::from_msg(
-                                        format!(
-                                            "Field `.remotes.{key}.url` cannot be set to `null`"
-                                        ),
-                                        meilisearch_types::error::Code::InvalidNetworkUrl,
-                                    ))
-                                }
-                                Setting::NotSet => old_url,
-                            },
-                            search_api_key: match new_search_api_key {
-                                Setting::Set(new_search_api_key) => Some(new_search_api_key),
-                                Setting::Reset => None,
-                                Setting::NotSet => old_search_api_key,
-                            },
-                        };
-                        merged_remotes.insert(key, merged);
-                    }
-                    EitherOrBoth::Both((_, _), (_, None)) | EitherOrBoth::Right((_, None)) => {}
-                    EitherOrBoth::Left((key, node)) => {
-                        merged_remotes.insert(key, node);
-                    }
-                    EitherOrBoth::Right((key, Some(node))) => {
-                        let node = node.try_into_db_node(&key)?;
-                        merged_remotes.insert(key, node);
-                    }
-                }
-            }
-            merged_remotes
-        }
-        Setting::Reset => BTreeMap::new(),
-        Setting::NotSet => old_network.remotes,
-    };
-
-    analytics.publish(
-        PatchNetworkAnalytics {
-            network_size: merged_remotes.len(),
-            network_has_self: merged_self.is_some(),
-        },
-        &req,
-    );
-
-    let merged_network = DbNetwork { local: merged_self, remotes: merged_remotes };
-    index_scheduler.put_network(merged_network.clone())?;
-    debug!(returns = ?merged_network, "Patch network");
-    Ok(HttpResponse::Ok().json(merged_network))
-}

crates/meilisearch/src/routes/tasks.rs

@@ -912,14 +912,14 @@ mod tests {
         {
             let params = "types=createIndex";
             let err = deserr_query_params::<TaskDeletionOrCancelationQuery>(params).unwrap_err();
-            snapshot!(meili_snap::json_string!(err), @r#"
+            snapshot!(meili_snap::json_string!(err), @r###"
             {
-              "message": "Invalid value in parameter `types`: `createIndex` is not a valid task type. Available types are `documentAdditionOrUpdate`, `documentEdition`, `documentDeletion`, `settingsUpdate`, `indexCreation`, `indexDeletion`, `indexUpdate`, `indexSwap`, `taskCancelation`, `taskDeletion`, `dumpCreation`, `snapshotCreation`, `upgradeDatabase`.",
+              "message": "Invalid value in parameter `types`: `createIndex` is not a valid task type. Available types are `documentAdditionOrUpdate`, `documentEdition`, `documentDeletion`, `settingsUpdate`, `indexCreation`, `indexDeletion`, `indexUpdate`, `indexSwap`, `taskCancelation`, `taskDeletion`, `dumpCreation`, `snapshotCreation`.",
               "code": "invalid_task_types",
               "type": "invalid_request",
               "link": "https://docs.meilisearch.com/errors#invalid_task_types"
             }
-            "#);
+            "###);
         }
     }
     #[test]

crates/meilisearch/src/search/federated.rs

@@ -0,0 +1,923 @@
+use std::cmp::Ordering;
+use std::collections::BTreeMap;
+use std::fmt;
+use std::iter::Zip;
+use std::rc::Rc;
+use std::str::FromStr as _;
+use std::time::Duration;
+use std::vec::{IntoIter, Vec};
+
+use actix_http::StatusCode;
+use index_scheduler::{IndexScheduler, RoFeatures};
+use indexmap::IndexMap;
+use meilisearch_types::deserr::DeserrJsonError;
+use meilisearch_types::error::deserr_codes::{
+    InvalidMultiSearchFacetsByIndex, InvalidMultiSearchMaxValuesPerFacet,
+    InvalidMultiSearchMergeFacets, InvalidMultiSearchWeight, InvalidSearchLimit,
+    InvalidSearchOffset,
+};
+use meilisearch_types::error::ResponseError;
+use meilisearch_types::index_uid::IndexUid;
+use meilisearch_types::milli::score_details::{ScoreDetails, ScoreValue};
+use meilisearch_types::milli::{self, DocumentId, OrderBy, TimeBudget};
+use roaring::RoaringBitmap;
+use serde::Serialize;
+use utoipa::ToSchema;
+
+use super::ranking_rules::{self, RankingRules};
+use super::{
+    compute_facet_distribution_stats, prepare_search, AttributesFormat, ComputedFacets, FacetStats,
+    HitMaker, HitsInfo, RetrieveVectors, SearchHit, SearchKind, SearchQuery, SearchQueryWithIndex,
+};
+use crate::error::MeilisearchHttpError;
+use crate::routes::indexes::search::search_kind;
+
+pub const DEFAULT_FEDERATED_WEIGHT: f64 = 1.0;
+
+#[derive(Debug, Default, Clone, Copy, PartialEq, deserr::Deserr, ToSchema)]
+#[deserr(error = DeserrJsonError, rename_all = camelCase, deny_unknown_fields)]
+pub struct FederationOptions {
+    #[deserr(default, error = DeserrJsonError<InvalidMultiSearchWeight>)]
+    #[schema(value_type = f64)]
+    pub weight: Weight,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, deserr::Deserr)]
+#[deserr(try_from(f64) = TryFrom::try_from -> InvalidMultiSearchWeight)]
+pub struct Weight(f64);
+
+impl Default for Weight {
+    fn default() -> Self {
+        Weight(DEFAULT_FEDERATED_WEIGHT)
+    }
+}
+
+impl std::convert::TryFrom<f64> for Weight {
+    type Error = InvalidMultiSearchWeight;
+
+    fn try_from(f: f64) -> Result<Self, Self::Error> {
+        if f < 0.0 {
+            Err(InvalidMultiSearchWeight)
+        } else {
+            Ok(Weight(f))
+        }
+    }
+}
+
+impl std::ops::Deref for Weight {
+    type Target = f64;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+#[derive(Debug, deserr::Deserr, ToSchema)]
+#[deserr(error = DeserrJsonError, rename_all = camelCase, deny_unknown_fields)]
+#[schema(rename_all = "camelCase")]
+pub struct Federation {
+    #[deserr(default = super::DEFAULT_SEARCH_LIMIT(), error = DeserrJsonError<InvalidSearchLimit>)]
+    pub limit: usize,
+    #[deserr(default = super::DEFAULT_SEARCH_OFFSET(), error = DeserrJsonError<InvalidSearchOffset>)]
+    pub offset: usize,
+    #[deserr(default, error = DeserrJsonError<InvalidMultiSearchFacetsByIndex>)]
+    pub facets_by_index: BTreeMap<IndexUid, Option<Vec<String>>>,
+    #[deserr(default, error = DeserrJsonError<InvalidMultiSearchMergeFacets>)]
+    pub merge_facets: Option<MergeFacets>,
+}
+
+#[derive(Copy, Clone, Debug, deserr::Deserr, Default, ToSchema)]
+#[deserr(error = DeserrJsonError<InvalidMultiSearchMergeFacets>, rename_all = camelCase, deny_unknown_fields)]
+#[schema(rename_all = "camelCase")]
+pub struct MergeFacets {
+    #[deserr(default, error = DeserrJsonError<InvalidMultiSearchMaxValuesPerFacet>)]
+    pub max_values_per_facet: Option<usize>,
+}
+
+#[derive(Debug, deserr::Deserr, ToSchema)]
+#[deserr(error = DeserrJsonError, rename_all = camelCase, deny_unknown_fields)]
+#[schema(rename_all = "camelCase")]
+pub struct FederatedSearch {
+    pub queries: Vec<SearchQueryWithIndex>,
+    #[deserr(default)]
+    pub federation: Option<Federation>,
+}
+
+#[derive(Serialize, Clone, ToSchema)]
+#[serde(rename_all = "camelCase")]
+#[schema(rename_all = "camelCase")]
+pub struct FederatedSearchResult {
+    pub hits: Vec<SearchHit>,
+    pub processing_time_ms: u128,
+    #[serde(flatten)]
+    pub hits_info: HitsInfo,
+
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub semantic_hit_count: Option<u32>,
+
+    #[serde(skip_serializing_if = "Option::is_none")]
+    #[schema(value_type = Option<BTreeMap<String, BTreeMap<String, u64>>>)]
+    pub facet_distribution: Option<BTreeMap<String, IndexMap<String, u64>>>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub facet_stats: Option<BTreeMap<String, FacetStats>>,
+    #[serde(skip_serializing_if = "FederatedFacets::is_empty")]
+    pub facets_by_index: FederatedFacets,
+
+    // These fields are only used for analytics purposes
+    #[serde(skip)]
+    pub degraded: bool,
+    #[serde(skip)]
+    pub used_negative_operator: bool,
+}
+
+impl fmt::Debug for FederatedSearchResult {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        let FederatedSearchResult {
+            hits,
+            processing_time_ms,
+            hits_info,
+            semantic_hit_count,
+            degraded,
+            used_negative_operator,
+            facet_distribution,
+            facet_stats,
+            facets_by_index,
+        } = self;
+
+        let mut debug = f.debug_struct("SearchResult");
+        // The most important thing when looking at a search result is the time it took to process
+        debug.field("processing_time_ms", &processing_time_ms);
+        debug.field("hits", &format!("[{} hits returned]", hits.len()));
+        debug.field("hits_info", &hits_info);
+        if *used_negative_operator {
+            debug.field("used_negative_operator", used_negative_operator);
+        }
+        if *degraded {
+            debug.field("degraded", degraded);
+        }
+        if let Some(facet_distribution) = facet_distribution {
+            debug.field("facet_distribution", &facet_distribution);
+        }
+        if let Some(facet_stats) = facet_stats {
+            debug.field("facet_stats", &facet_stats);
+        }
+        if let Some(semantic_hit_count) = semantic_hit_count {
+            debug.field("semantic_hit_count", &semantic_hit_count);
+        }
+        if !facets_by_index.is_empty() {
+            debug.field("facets_by_index", &facets_by_index);
+        }
+
+        debug.finish()
+    }
+}
+
+struct WeightedScore<'a> {
+    details: &'a [ScoreDetails],
+    weight: f64,
+}
+
+impl<'a> WeightedScore<'a> {
+    pub fn new(details: &'a [ScoreDetails], weight: f64) -> Self {
+        Self { details, weight }
+    }
+
+    pub fn weighted_global_score(&self) -> f64 {
+        ScoreDetails::global_score(self.details.iter()) * self.weight
+    }
+
+    pub fn compare_weighted_global_scores(&self, other: &Self) -> Ordering {
+        self.weighted_global_score()
+            .partial_cmp(&other.weighted_global_score())
+            // both are numbers, possibly infinite
+            .unwrap()
+    }
+
+    pub fn compare(&self, other: &Self) -> Ordering {
+        let mut left_it = ScoreDetails::score_values(self.details.iter());
+        let mut right_it = ScoreDetails::score_values(other.details.iter());
+
+        loop {
+            let left = left_it.next();
+            let right = right_it.next();
+
+            match (left, right) {
+                (None, None) => return Ordering::Equal,
+                (None, Some(_)) => return Ordering::Less,
+                (Some(_), None) => return Ordering::Greater,
+                (Some(ScoreValue::Score(left)), Some(ScoreValue::Score(right))) => {
+                    let left = left * self.weight;
+                    let right = right * other.weight;
+                    if (left - right).abs() <= f64::EPSILON {
+                        continue;
+                    }
+                    return left.partial_cmp(&right).unwrap();
+                }
+                (Some(ScoreValue::Sort(left)), Some(ScoreValue::Sort(right))) => {
+                    match left.partial_cmp(right) {
+                        Some(Ordering::Equal) => continue,
+                        Some(order) => return order,
+                        None => return self.compare_weighted_global_scores(other),
+                    }
+                }
+                (Some(ScoreValue::GeoSort(left)), Some(ScoreValue::GeoSort(right))) => {
+                    match left.partial_cmp(right) {
+                        Some(Ordering::Equal) => continue,
+                        Some(order) => return order,
+                        None => {
+                            return self.compare_weighted_global_scores(other);
+                        }
+                    }
+                }
+                // not comparable details, use global
+                (Some(ScoreValue::Score(_)), Some(_))
+                | (Some(_), Some(ScoreValue::Score(_)))
+                | (Some(ScoreValue::GeoSort(_)), Some(ScoreValue::Sort(_)))
+                | (Some(ScoreValue::Sort(_)), Some(ScoreValue::GeoSort(_))) => {
+                    let left_count = left_it.count();
+                    let right_count = right_it.count();
+                    // compare how many remaining groups of rules each side has.
+                    // the group with the most remaining groups wins.
+                    return left_count
+                        .cmp(&right_count)
+                        // breaks ties with the global ranking score
+                        .then_with(|| self.compare_weighted_global_scores(other));
+                }
+            }
+        }
+    }
+}
+
+struct QueryByIndex {
+    query: SearchQuery,
+    federation_options: FederationOptions,
+    query_index: usize,
+}
+
+struct SearchResultByQuery<'a> {
+    documents_ids: Vec<DocumentId>,
+    document_scores: Vec<Vec<ScoreDetails>>,
+    federation_options: FederationOptions,
+    hit_maker: HitMaker<'a>,
+    query_index: usize,
+}
+
+struct SearchResultByQueryIter<'a> {
+    it: Zip<IntoIter<DocumentId>, IntoIter<Vec<ScoreDetails>>>,
+    federation_options: FederationOptions,
+    hit_maker: Rc<HitMaker<'a>>,
+    query_index: usize,
+}
+
+impl<'a> SearchResultByQueryIter<'a> {
+    fn new(
+        SearchResultByQuery {
+            documents_ids,
+            document_scores,
+            federation_options,
+            hit_maker,
+            query_index,
+        }: SearchResultByQuery<'a>,
+    ) -> Self {
+        let it = documents_ids.into_iter().zip(document_scores);
+        Self { it, federation_options, hit_maker: Rc::new(hit_maker), query_index }
+    }
+}
+
+struct SearchResultByQueryIterItem<'a> {
+    docid: DocumentId,
+    score: Vec<ScoreDetails>,
+    federation_options: FederationOptions,
+    hit_maker: Rc<HitMaker<'a>>,
+    query_index: usize,
+}
+
+fn merge_index_local_results(
+    results_by_query: Vec<SearchResultByQuery<'_>>,
+) -> impl Iterator<Item = SearchResultByQueryIterItem> + '_ {
+    itertools::kmerge_by(
+        results_by_query.into_iter().map(SearchResultByQueryIter::new),
+        |left: &SearchResultByQueryIterItem, right: &SearchResultByQueryIterItem| {
+            let left_score = WeightedScore::new(&left.score, *left.federation_options.weight);
+            let right_score = WeightedScore::new(&right.score, *right.federation_options.weight);
+
+            match left_score.compare(&right_score) {
+                // the biggest score goes first
+                Ordering::Greater => true,
+                // break ties using query index
+                Ordering::Equal => left.query_index < right.query_index,
+                Ordering::Less => false,
+            }
+        },
+    )
+}
+
+fn merge_index_global_results(
+    results_by_index: Vec<SearchResultByIndex>,
+) -> impl Iterator<Item = SearchHitByIndex> {
+    itertools::kmerge_by(
+        results_by_index.into_iter().map(|result_by_index| result_by_index.hits.into_iter()),
+        |left: &SearchHitByIndex, right: &SearchHitByIndex| {
+            let left_score = WeightedScore::new(&left.score, *left.federation_options.weight);
+            let right_score = WeightedScore::new(&right.score, *right.federation_options.weight);
+
+            match left_score.compare(&right_score) {
+                // the biggest score goes first
+                Ordering::Greater => true,
+                // break ties using query index
+                Ordering::Equal => left.query_index < right.query_index,
+                Ordering::Less => false,
+            }
+        },
+    )
+}
+
+impl<'a> Iterator for SearchResultByQueryIter<'a> {
+    type Item = SearchResultByQueryIterItem<'a>;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        let (docid, score) = self.it.next()?;
+        Some(SearchResultByQueryIterItem {
+            docid,
+            score,
+            federation_options: self.federation_options,
+            hit_maker: Rc::clone(&self.hit_maker),
+            query_index: self.query_index,
+        })
+    }
+}
+
+struct SearchHitByIndex {
+    hit: SearchHit,
+    score: Vec<ScoreDetails>,
+    federation_options: FederationOptions,
+    query_index: usize,
+}
+
+struct SearchResultByIndex {
+    index: String,
+    hits: Vec<SearchHitByIndex>,
+    estimated_total_hits: usize,
+    degraded: bool,
+    used_negative_operator: bool,
+    facets: Option<ComputedFacets>,
+}
+
+#[derive(Debug, Clone, Default, Serialize, ToSchema)]
+pub struct FederatedFacets(pub BTreeMap<String, ComputedFacets>);
+
+impl FederatedFacets {
+    pub fn insert(&mut self, index: String, facets: Option<ComputedFacets>) {
+        if let Some(facets) = facets {
+            self.0.insert(index, facets);
+        }
+    }
+
+    pub fn is_empty(&self) -> bool {
+        self.0.is_empty()
+    }
+
+    pub fn merge(
+        self,
+        MergeFacets { max_values_per_facet }: MergeFacets,
+        facet_order: BTreeMap<String, (String, OrderBy)>,
+    ) -> Option<ComputedFacets> {
+        if self.is_empty() {
+            return None;
+        }
+
+        let mut distribution: BTreeMap<String, _> = Default::default();
+        let mut stats: BTreeMap<String, FacetStats> = Default::default();
+
+        for facets_by_index in self.0.into_values() {
+            for (facet, index_distribution) in facets_by_index.distribution {
+                match distribution.entry(facet) {
+                    std::collections::btree_map::Entry::Vacant(entry) => {
+                        entry.insert(index_distribution);
+                    }
+                    std::collections::btree_map::Entry::Occupied(mut entry) => {
+                        let distribution = entry.get_mut();
+
+                        for (value, index_count) in index_distribution {
+                            distribution
+                                .entry(value)
+                                .and_modify(|count| *count += index_count)
+                                .or_insert(index_count);
+                        }
+                    }
+                }
+            }
+
+            for (facet, index_stats) in facets_by_index.stats {
+                match stats.entry(facet) {
+                    std::collections::btree_map::Entry::Vacant(entry) => {
+                        entry.insert(index_stats);
+                    }
+                    std::collections::btree_map::Entry::Occupied(mut entry) => {
+                        let stats = entry.get_mut();
+
+                        stats.min = f64::min(stats.min, index_stats.min);
+                        stats.max = f64::max(stats.max, index_stats.max);
+                    }
+                }
+            }
+        }
+
+        // fixup order
+        for (facet, values) in &mut distribution {
+            let order_by = facet_order.get(facet).map(|(_, order)| *order).unwrap_or_default();
+
+            match order_by {
+                OrderBy::Lexicographic => {
+                    values.sort_unstable_by(|left, _, right, _| left.cmp(right))
+                }
+                OrderBy::Count => {
+                    values.sort_unstable_by(|_, left, _, right| {
+                        left.cmp(right)
+                            // biggest first
+                            .reverse()
+                    })
+                }
+            }
+
+            if let Some(max_values_per_facet) = max_values_per_facet {
+                values.truncate(max_values_per_facet)
+            };
+        }
+
+        Some(ComputedFacets { distribution, stats })
+    }
+}
+
+pub fn perform_federated_search(
+    index_scheduler: &IndexScheduler,
+    queries: Vec<SearchQueryWithIndex>,
+    mut federation: Federation,
+    features: RoFeatures,
+) -> Result<FederatedSearchResult, ResponseError> {
+    let before_search = std::time::Instant::now();
+
+    // this implementation partition the queries by index to guarantee an important property:
+    // - all the queries to a particular index use the same read transaction.
+    // This is an important property, otherwise we cannot guarantee the self-consistency of the results.
+
+    // 1. partition queries by index
+    let mut queries_by_index: BTreeMap<String, Vec<QueryByIndex>> = Default::default();
+    for (query_index, federated_query) in queries.into_iter().enumerate() {
+        if let Some(pagination_field) = federated_query.has_pagination() {
+            return Err(MeilisearchHttpError::PaginationInFederatedQuery(
+                query_index,
+                pagination_field,
+            )
+            .into());
+        }
+
+        if let Some(facets) = federated_query.has_facets() {
+            let facets = facets.to_owned();
+            return Err(MeilisearchHttpError::FacetsInFederatedQuery(
+                query_index,
+                federated_query.index_uid.into_inner(),
+                facets,
+            )
+            .into());
+        }
+
+        let (index_uid, query, federation_options) = federated_query.into_index_query_federation();
+
+        queries_by_index.entry(index_uid.into_inner()).or_default().push(QueryByIndex {
+            query,
+            federation_options: federation_options.unwrap_or_default(),
+            query_index,
+        })
+    }
+
+    // 2. perform queries, merge and make hits index by index
+    let required_hit_count = federation.limit + federation.offset;
+
+    // In step (2), semantic_hit_count will be set to Some(0) if any search kind uses semantic
+    // Then in step (3), we'll update its value if there is any semantic search
+    let mut semantic_hit_count = None;
+    let mut results_by_index = Vec::with_capacity(queries_by_index.len());
+    let mut previous_query_data: Option<(RankingRules, usize, String)> = None;
+
+    // remember the order and name of first index for each facet when merging with index settings
+    // to detect if the order is inconsistent for a facet.
+    let mut facet_order: Option<BTreeMap<String, (String, OrderBy)>> = match federation.merge_facets
+    {
+        Some(MergeFacets { .. }) => Some(Default::default()),
+        _ => None,
+    };
+
+    for (index_uid, queries) in queries_by_index {
+        let first_query_index = queries.first().map(|query| query.query_index);
+
+        let index = match index_scheduler.index(&index_uid) {
+            Ok(index) => index,
+            Err(err) => {
+                let mut err = ResponseError::from(err);
+                // Patch the HTTP status code to 400 as it defaults to 404 for `index_not_found`, but
+                // here the resource not found is not part of the URL.
+                err.code = StatusCode::BAD_REQUEST;
+                if let Some(query_index) = first_query_index {
+                    err.message = format!("Inside `.queries[{}]`: {}", query_index, err.message);
+                }
+                return Err(err);
+            }
+        };
+
+        // Important: this is the only transaction we'll use for this index during this federated search
+        let rtxn = index.read_txn()?;
+
+        let criteria = index.criteria(&rtxn)?;
+
+        let dictionary = index.dictionary(&rtxn)?;
+        let dictionary: Option<Vec<_>> =
+            dictionary.as_ref().map(|x| x.iter().map(String::as_str).collect());
+        let separators = index.allowed_separators(&rtxn)?;
+        let separators: Option<Vec<_>> =
+            separators.as_ref().map(|x| x.iter().map(String::as_str).collect());
+
+        // each query gets its individual cutoff
+        let cutoff = index.search_cutoff(&rtxn)?;
+
+        let mut degraded = false;
+        let mut used_negative_operator = false;
+        let mut candidates = RoaringBitmap::new();
+
+        let facets_by_index = federation.facets_by_index.remove(&index_uid).flatten();
+
+        // TODO: recover the max size + facets_by_index as return value of this function so as not to ask it for all queries
+        if let Err(mut error) =
+            check_facet_order(&mut facet_order, &index_uid, &facets_by_index, &index, &rtxn)
+        {
+            error.message = format!(
+                "Inside `.federation.facetsByIndex.{index_uid}`: {error}{}",
+                if let Some(query_index) = first_query_index {
+                    format!("\n - Note: index `{index_uid}` used in `.queries[{query_index}]`")
+                } else {
+                    Default::default()
+                }
+            );
+            return Err(error);
+        }
+
+        // 2.1. Compute all candidates for each query in the index
+        let mut results_by_query = Vec::with_capacity(queries.len());
+
+        for QueryByIndex { query, federation_options, query_index } in queries {
+            // use an immediately invoked lambda to capture the result without returning from the function
+
+            let res: Result<(), ResponseError> = (|| {
+                let search_kind =
+                    search_kind(&query, index_scheduler, index_uid.to_string(), &index)?;
+
+                let canonicalization_kind = match (&search_kind, &query.q) {
+                    (SearchKind::SemanticOnly { .. }, _) => {
+                        ranking_rules::CanonicalizationKind::Vector
+                    }
+                    (_, Some(q)) if !q.is_empty() => ranking_rules::CanonicalizationKind::Keyword,
+                    _ => ranking_rules::CanonicalizationKind::Placeholder,
+                };
+
+                let sort = if let Some(sort) = &query.sort {
+                    let sorts: Vec<_> =
+                        match sort.iter().map(|s| milli::AscDesc::from_str(s)).collect() {
+                            Ok(sorts) => sorts,
+                            Err(asc_desc_error) => {
+                                return Err(milli::Error::from(milli::SortError::from(
+                                    asc_desc_error,
+                                ))
+                                .into())
+                            }
+                        };
+                    Some(sorts)
+                } else {
+                    None
+                };
+
+                let ranking_rules = ranking_rules::RankingRules::new(
+                    criteria.clone(),
+                    sort,
+                    query.matching_strategy.into(),
+                    canonicalization_kind,
+                );
+
+                if let Some((previous_ranking_rules, previous_query_index, previous_index_uid)) =
+                    previous_query_data.take()
+                {
+                    if let Err(error) = ranking_rules.is_compatible_with(&previous_ranking_rules) {
+                        return Err(error.to_response_error(
+                            &ranking_rules,
+                            &previous_ranking_rules,
+                            query_index,
+                            previous_query_index,
+                            &index_uid,
+                            &previous_index_uid,
+                        ));
+                    }
+                    previous_query_data = if previous_ranking_rules.constraint_count()
+                        > ranking_rules.constraint_count()
+                    {
+                        Some((previous_ranking_rules, previous_query_index, previous_index_uid))
+                    } else {
+                        Some((ranking_rules, query_index, index_uid.clone()))
+                    };
+                } else {
+                    previous_query_data = Some((ranking_rules, query_index, index_uid.clone()));
+                }
+
+                match search_kind {
+                    SearchKind::KeywordOnly => {}
+                    _ => semantic_hit_count = Some(0),
+                }
+
+                let retrieve_vectors = RetrieveVectors::new(query.retrieve_vectors);
+
+                let time_budget = match cutoff {
+                    Some(cutoff) => TimeBudget::new(Duration::from_millis(cutoff)),
+                    None => TimeBudget::default(),
+                };
+
+                let (mut search, _is_finite_pagination, _max_total_hits, _offset) =
+                    prepare_search(&index, &rtxn, &query, &search_kind, time_budget, features)?;
+
+                search.scoring_strategy(milli::score_details::ScoringStrategy::Detailed);
+                search.offset(0);
+                search.limit(required_hit_count);
+
+                let (result, _semantic_hit_count) =
+                    super::search_from_kind(index_uid.to_string(), search_kind, search)?;
+                let format = AttributesFormat {
+                    attributes_to_retrieve: query.attributes_to_retrieve,
+                    retrieve_vectors,
+                    attributes_to_highlight: query.attributes_to_highlight,
+                    attributes_to_crop: query.attributes_to_crop,
+                    crop_length: query.crop_length,
+                    crop_marker: query.crop_marker,
+                    highlight_pre_tag: query.highlight_pre_tag,
+                    highlight_post_tag: query.highlight_post_tag,
+                    show_matches_position: query.show_matches_position,
+                    sort: query.sort,
+                    show_ranking_score: query.show_ranking_score,
+                    show_ranking_score_details: query.show_ranking_score_details,
+                    locales: query.locales.map(|l| l.iter().copied().map(Into::into).collect()),
+                };
+
+                let milli::SearchResult {
+                    matching_words,
+                    candidates: query_candidates,
+                    documents_ids,
+                    document_scores,
+                    degraded: query_degraded,
+                    used_negative_operator: query_used_negative_operator,
+                } = result;
+
+                candidates |= query_candidates;
+                degraded |= query_degraded;
+                used_negative_operator |= query_used_negative_operator;
+
+                let tokenizer = HitMaker::tokenizer(dictionary.as_deref(), separators.as_deref());
+
+                let formatter_builder = HitMaker::formatter_builder(matching_words, tokenizer);
+
+                let hit_maker =
+                    HitMaker::new(&index, &rtxn, format, formatter_builder).map_err(|e| {
+                        MeilisearchHttpError::from_milli(e, Some(index_uid.to_string()))
+                    })?;
+
+                results_by_query.push(SearchResultByQuery {
+                    federation_options,
+                    hit_maker,
+                    query_index,
+                    documents_ids,
+                    document_scores,
+                });
+                Ok(())
+            })();
+
+            if let Err(mut error) = res {
+                error.message = format!("Inside `.queries[{query_index}]`: {}", error.message);
+                return Err(error);
+            }
+        }
+        // 2.2. merge inside index
+        let mut documents_seen = RoaringBitmap::new();
+        let merged_result: Result<Vec<_>, ResponseError> =
+            merge_index_local_results(results_by_query)
+                // skip documents we've already seen & mark that we saw the current document
+                .filter(|SearchResultByQueryIterItem { docid, .. }| documents_seen.insert(*docid))
+                .take(required_hit_count)
+                // 2.3 make hits
+                .map(
+                    |SearchResultByQueryIterItem {
+                         docid,
+                         score,
+                         federation_options,
+                         hit_maker,
+                         query_index,
+                     }| {
+                        let mut hit = hit_maker.make_hit(docid, &score)?;
+                        let weighted_score =
+                            ScoreDetails::global_score(score.iter()) * (*federation_options.weight);
+
+                        let _federation = serde_json::json!(
+                            {
+                                "indexUid": index_uid,
+                                "queriesPosition": query_index,
+                                "weightedRankingScore": weighted_score,
+                            }
+                        );
+                        hit.document.insert("_federation".to_string(), _federation);
+                        Ok(SearchHitByIndex { hit, score, federation_options, query_index })
+                    },
+                )
+                .collect();
+
+        let merged_result = merged_result?;
+
+        let estimated_total_hits = candidates.len() as usize;
+
+        let facets = facets_by_index
+            .map(|facets_by_index| {
+                compute_facet_distribution_stats(
+                    &facets_by_index,
+                    &index,
+                    &rtxn,
+                    candidates,
+                    super::Route::MultiSearch,
+                )
+            })
+            .transpose()
+            .map_err(|mut error| {
+                error.message = format!(
+                    "Inside `.federation.facetsByIndex.{index_uid}`: {}{}",
+                    error.message,
+                    if let Some(query_index) = first_query_index {
+                        format!("\n - Note: index `{index_uid}` used in `.queries[{query_index}]`")
+                    } else {
+                        Default::default()
+                    }
+                );
+                error
+            })?;
+
+        results_by_index.push(SearchResultByIndex {
+            index: index_uid,
+            hits: merged_result,
+            estimated_total_hits,
+            degraded,
+            used_negative_operator,
+            facets,
+        });
+    }
+
+    // bonus step, make sure to return an error if an index wants a non-faceted field, even if no query actually uses that index.
+    for (index_uid, facets) in federation.facets_by_index {
+        let index = match index_scheduler.index(&index_uid) {
+            Ok(index) => index,
+            Err(err) => {
+                let mut err = ResponseError::from(err);
+                // Patch the HTTP status code to 400 as it defaults to 404 for `index_not_found`, but
+                // here the resource not found is not part of the URL.
+                err.code = StatusCode::BAD_REQUEST;
+                err.message = format!(
+                    "Inside `.federation.facetsByIndex.{index_uid}`: {}\n - Note: index `{index_uid}` is not used in queries",
+                    err.message
+                );
+                return Err(err);
+            }
+        };
+
+        // Important: this is the only transaction we'll use for this index during this federated search
+        let rtxn = index.read_txn()?;
+
+        if let Err(mut error) =
+            check_facet_order(&mut facet_order, &index_uid, &facets, &index, &rtxn)
+        {
+            error.message = format!(
+                "Inside `.federation.facetsByIndex.{index_uid}`: {error}\n - Note: index `{index_uid}` is not used in queries",
+            );
+            return Err(error);
+        }
+
+        if let Some(facets) = facets {
+            if let Err(mut error) = compute_facet_distribution_stats(
+                &facets,
+                &index,
+                &rtxn,
+                Default::default(),
+                super::Route::MultiSearch,
+            ) {
+                error.message =
+                    format!("Inside `.federation.facetsByIndex.{index_uid}`: {}\n - Note: index `{index_uid}` is not used in queries", error.message);
+                return Err(error);
+            }
+        }
+    }
+
+    // 3. merge hits and metadata across indexes
+    // 3.1 merge metadata
+    let (estimated_total_hits, degraded, used_negative_operator, facets) = {
+        let mut estimated_total_hits = 0;
+        let mut degraded = false;
+        let mut used_negative_operator = false;
+
+        let mut facets: FederatedFacets = FederatedFacets::default();
+
+        for SearchResultByIndex {
+            index,
+            hits: _,
+            estimated_total_hits: estimated_total_hits_by_index,
+            facets: facets_by_index,
+            degraded: degraded_by_index,
+            used_negative_operator: used_negative_operator_by_index,
+        } in &mut results_by_index
+        {
+            estimated_total_hits += *estimated_total_hits_by_index;
+            degraded |= *degraded_by_index;
+            used_negative_operator |= *used_negative_operator_by_index;
+
+            let facets_by_index = std::mem::take(facets_by_index);
+            let index = std::mem::take(index);
+
+            facets.insert(index, facets_by_index);
+        }
+
+        (estimated_total_hits, degraded, used_negative_operator, facets)
+    };
+
+    // 3.2 merge hits
+    let merged_hits: Vec<_> = merge_index_global_results(results_by_index)
+        .skip(federation.offset)
+        .take(federation.limit)
+        .inspect(|hit| {
+            if let Some(semantic_hit_count) = &mut semantic_hit_count {
+                if hit.score.iter().any(|score| matches!(&score, ScoreDetails::Vector(_))) {
+                    *semantic_hit_count += 1;
+                }
+            }
+        })
+        .map(|hit| hit.hit)
+        .collect();
+
+    let (facet_distribution, facet_stats, facets_by_index) =
+        match federation.merge_facets.zip(facet_order) {
+            Some((merge_facets, facet_order)) => {
+                let facets = facets.merge(merge_facets, facet_order);
+
+                let (facet_distribution, facet_stats) = facets
+                    .map(|ComputedFacets { distribution, stats }| (distribution, stats))
+                    .unzip();
+
+                (facet_distribution, facet_stats, FederatedFacets::default())
+            }
+            None => (None, None, facets),
+        };
+
+    let search_result = FederatedSearchResult {
+        hits: merged_hits,
+        processing_time_ms: before_search.elapsed().as_millis(),
+        hits_info: HitsInfo::OffsetLimit {
+            limit: federation.limit,
+            offset: federation.offset,
+            estimated_total_hits,
+        },
+        semantic_hit_count,
+        degraded,
+        used_negative_operator,
+        facet_distribution,
+        facet_stats,
+        facets_by_index,
+    };
+
+    Ok(search_result)
+}
+
+fn check_facet_order(
+    facet_order: &mut Option<BTreeMap<String, (String, OrderBy)>>,
+    current_index: &str,
+    facets_by_index: &Option<Vec<String>>,
+    index: &milli::Index,
+    rtxn: &milli::heed::RoTxn<'_>,
+) -> Result<(), ResponseError> {
+    if let (Some(facet_order), Some(facets_by_index)) = (facet_order, facets_by_index) {
+        let index_facet_order = index.sort_facet_values_by(rtxn)?;
+        for facet in facets_by_index {
+            let index_facet_order = index_facet_order.get(facet);
+            let (previous_index, previous_facet_order) = facet_order
+                .entry(facet.to_owned())
+                .or_insert_with(|| (current_index.to_owned(), index_facet_order));
+            if previous_facet_order != &index_facet_order {
+                return Err(MeilisearchHttpError::InconsistentFacetOrder {
+                    facet: facet.clone(),
+                    previous_facet_order: *previous_facet_order,
+                    previous_uid: previous_index.clone(),
+                    current_uid: current_index.to_owned(),
+                    index_facet_order,
+                }
+                .into());
+            }
+        }
+    };
+    Ok(())
+}

crates/meilisearch/src/search/federated/mod.rs

@@ -1,10 +0,0 @@
-mod perform;
-mod proxy;
-mod types;
-mod weighted_scores;
-
-pub use perform::perform_federated_search;
-pub use proxy::{PROXY_SEARCH_HEADER, PROXY_SEARCH_HEADER_VALUE};
-pub use types::{
-    FederatedSearch, FederatedSearchResult, Federation, FederationOptions, MergeFacets,
-};

crates/meilisearch/src/search/federated/proxy.rs

@@ -1,267 +0,0 @@
-pub use error::ProxySearchError;
-use error::ReqwestErrorWithoutUrl;
-use meilisearch_types::features::Remote;
-use rand::Rng as _;
-use reqwest::{Client, Response, StatusCode};
-use serde::de::DeserializeOwned;
-use serde_json::Value;
-
-use super::types::{FederatedSearch, FederatedSearchResult, Federation};
-use crate::search::SearchQueryWithIndex;
-
-pub const PROXY_SEARCH_HEADER: &str = "Meili-Proxy-Search";
-pub const PROXY_SEARCH_HEADER_VALUE: &str = "true";
-
-mod error {
-    use meilisearch_types::error::ResponseError;
-    use reqwest::StatusCode;
-
-    #[derive(Debug, thiserror::Error)]
-    pub enum ProxySearchError {
-        #[error("{0}")]
-        CouldNotSendRequest(ReqwestErrorWithoutUrl),
-        #[error("could not authenticate against the remote host\n  - hint: check that the remote instance was registered with a valid API key having the `search` action")]
-        AuthenticationError,
-        #[error(
-            "could not parse response from the remote host as a federated search response{}\n  - hint: check that the remote instance is a Meilisearch instance running the same version",
-            response_from_remote(response)
-        )]
-        CouldNotParseResponse { response: Result<String, ReqwestErrorWithoutUrl> },
-        #[error("remote host responded with code {}{}\n  - hint: check that the remote instance has the correct index configuration for that request\n  - hint: check that the `network` experimental feature is enabled on the remote instance", status_code.as_u16(), response_from_remote(response))]
-        BadRequest { status_code: StatusCode, response: Result<String, ReqwestErrorWithoutUrl> },
-        #[error("remote host did not answer before the deadline")]
-        Timeout,
-        #[error("remote hit does not contain `{0}`\n  - hint: check that the remote instance is a Meilisearch instance running the same version")]
-        MissingPathInResponse(&'static str),
-        #[error("remote host responded with code {}{}", status_code.as_u16(), response_from_remote(response))]
-        RemoteError { status_code: StatusCode, response: Result<String, ReqwestErrorWithoutUrl> },
-        #[error("remote hit contains an unexpected value at path `{path}`: expected {expected_type}, received `{received_value}`\n  - hint: check that the remote instance is a Meilisearch instance running the same version")]
-        UnexpectedValueInPath {
-            path: &'static str,
-            expected_type: &'static str,
-            received_value: String,
-        },
-        #[error("could not parse weighted score values in the remote hit: {0}")]
-        CouldNotParseWeightedScoreValues(serde_json::Error),
-    }
-
-    impl ProxySearchError {
-        pub fn as_response_error(&self) -> ResponseError {
-            use meilisearch_types::error::Code;
-            let message = self.to_string();
-            let code = match self {
-                ProxySearchError::CouldNotSendRequest(_) => Code::RemoteCouldNotSendRequest,
-                ProxySearchError::AuthenticationError => Code::RemoteInvalidApiKey,
-                ProxySearchError::BadRequest { .. } => Code::RemoteBadRequest,
-                ProxySearchError::Timeout => Code::RemoteTimeout,
-                ProxySearchError::RemoteError { .. } => Code::RemoteRemoteError,
-                ProxySearchError::CouldNotParseResponse { .. }
-                | ProxySearchError::MissingPathInResponse(_)
-                | ProxySearchError::UnexpectedValueInPath { .. }
-                | ProxySearchError::CouldNotParseWeightedScoreValues(_) => Code::RemoteBadResponse,
-            };
-            ResponseError::from_msg(message, code)
-        }
-    }
-
-    #[derive(Debug, thiserror::Error)]
-    #[error(transparent)]
-    pub struct ReqwestErrorWithoutUrl(reqwest::Error);
-    impl ReqwestErrorWithoutUrl {
-        pub fn new(inner: reqwest::Error) -> Self {
-            Self(inner.without_url())
-        }
-    }
-
-    fn response_from_remote(response: &Result<String, ReqwestErrorWithoutUrl>) -> String {
-        match response {
-            Ok(response) => {
-                format!(":\n  - response from remote: {}", response)
-            }
-            Err(error) => {
-                format!(":\n  - additionally, could not retrieve response from remote: {error}")
-            }
-        }
-    }
-}
-
-#[derive(Clone)]
-pub struct ProxySearchParams {
-    pub deadline: Option<std::time::Instant>,
-    pub try_count: u32,
-    pub client: reqwest::Client,
-}
-
-/// Performs a federated search on a remote host and returns the results
-pub async fn proxy_search(
-    node: &Remote,
-    queries: Vec<SearchQueryWithIndex>,
-    federation: Federation,
-    params: &ProxySearchParams,
-) -> Result<FederatedSearchResult, ProxySearchError> {
-    let url = format!("{}/multi-search", node.url);
-
-    let federated = FederatedSearch { queries, federation: Some(federation) };
-
-    let search_api_key = node.search_api_key.as_deref();
-
-    let max_deadline = std::time::Instant::now() + std::time::Duration::from_secs(5);
-
-    let deadline = if let Some(deadline) = params.deadline {
-        std::time::Instant::min(deadline, max_deadline)
-    } else {
-        max_deadline
-    };
-
-    for i in 0..params.try_count {
-        match try_proxy_search(&url, search_api_key, &federated, &params.client, deadline).await {
-            Ok(response) => return Ok(response),
-            Err(retry) => {
-                let duration = retry.into_duration(i)?;
-                tokio::time::sleep(duration).await;
-            }
-        }
-    }
-    try_proxy_search(&url, search_api_key, &federated, &params.client, deadline)
-        .await
-        .map_err(Retry::into_error)
-}
-
-async fn try_proxy_search(
-    url: &str,
-    search_api_key: Option<&str>,
-    federated: &FederatedSearch,
-    client: &Client,
-    deadline: std::time::Instant,
-) -> Result<FederatedSearchResult, Retry> {
-    let timeout = deadline.saturating_duration_since(std::time::Instant::now());
-
-    let request = client.post(url).json(&federated).timeout(timeout);
-    let request = if let Some(search_api_key) = search_api_key {
-        request.bearer_auth(search_api_key)
-    } else {
-        request
-    };
-    let request = request.header(PROXY_SEARCH_HEADER, PROXY_SEARCH_HEADER_VALUE);
-
-    let response = request.send().await;
-    let response = match response {
-        Ok(response) => response,
-        Err(error) if error.is_timeout() => return Err(Retry::give_up(ProxySearchError::Timeout)),
-        Err(error) => {
-            return Err(Retry::retry_later(ProxySearchError::CouldNotSendRequest(
-                ReqwestErrorWithoutUrl::new(error),
-            )))
-        }
-    };
-
-    match response.status() {
-        status_code if status_code.is_success() => (),
-        StatusCode::UNAUTHORIZED | StatusCode::FORBIDDEN => {
-            return Err(Retry::give_up(ProxySearchError::AuthenticationError))
-        }
-        status_code if status_code.is_client_error() => {
-            let response = parse_error(response).await;
-            return Err(Retry::give_up(ProxySearchError::BadRequest { status_code, response }));
-        }
-        status_code if status_code.is_server_error() => {
-            let response = parse_error(response).await;
-            return Err(Retry::retry_later(ProxySearchError::RemoteError {
-                status_code,
-                response,
-            }));
-        }
-        status_code => {
-            tracing::warn!(
-                status_code = status_code.as_u16(),
-                "remote replied with unexpected status code"
-            );
-        }
-    }
-
-    let response = match parse_response(response).await {
-        Ok(response) => response,
-        Err(response) => {
-            return Err(Retry::retry_later(ProxySearchError::CouldNotParseResponse { response }))
-        }
-    };
-
-    Ok(response)
-}
-
-/// Always parse the body of the response of a failed request as JSON.
-async fn parse_error(response: Response) -> Result<String, ReqwestErrorWithoutUrl> {
-    let bytes = match response.bytes().await {
-        Ok(bytes) => bytes,
-        Err(error) => return Err(ReqwestErrorWithoutUrl::new(error)),
-    };
-
-    Ok(parse_bytes_as_error(&bytes))
-}
-
-fn parse_bytes_as_error(bytes: &[u8]) -> String {
-    match serde_json::from_slice::<Value>(bytes) {
-        Ok(value) => value.to_string(),
-        Err(_) => String::from_utf8_lossy(bytes).into_owned(),
-    }
-}
-
-async fn parse_response<T: DeserializeOwned>(
-    response: Response,
-) -> Result<T, Result<String, ReqwestErrorWithoutUrl>> {
-    let bytes = match response.bytes().await {
-        Ok(bytes) => bytes,
-        Err(error) => return Err(Err(ReqwestErrorWithoutUrl::new(error))),
-    };
-
-    match serde_json::from_slice::<T>(&bytes) {
-        Ok(value) => Ok(value),
-        Err(_) => Err(Ok(parse_bytes_as_error(&bytes))),
-    }
-}
-
-pub struct Retry {
-    error: ProxySearchError,
-    strategy: RetryStrategy,
-}
-
-pub enum RetryStrategy {
-    GiveUp,
-    Retry,
-}
-
-impl Retry {
-    pub fn give_up(error: ProxySearchError) -> Self {
-        Self { error, strategy: RetryStrategy::GiveUp }
-    }
-
-    pub fn retry_later(error: ProxySearchError) -> Self {
-        Self { error, strategy: RetryStrategy::Retry }
-    }
-
-    pub fn into_duration(self, attempt: u32) -> Result<std::time::Duration, ProxySearchError> {
-        match self.strategy {
-            RetryStrategy::GiveUp => Err(self.error),
-            RetryStrategy::Retry => {
-                let retry_duration = std::time::Duration::from_nanos((10u64).pow(attempt));
-                let retry_duration = retry_duration.min(std::time::Duration::from_millis(100)); // don't wait more than 100ms
-
-                // randomly up to double the retry duration
-                let retry_duration = retry_duration
-                    + rand::thread_rng().gen_range(std::time::Duration::ZERO..retry_duration);
-
-                tracing::warn!(
-                    "Attempt #{}, failed with {}, retrying after {}ms.",
-                    attempt,
-                    self.error,
-                    retry_duration.as_millis()
-                );
-                Ok(retry_duration)
-            }
-        }
-    }
-
-    pub fn into_error(self) -> ProxySearchError {
-        self.error
-    }
-}

crates/meilisearch/src/search/federated/types.rs

@@ -1,322 +0,0 @@
-use std::collections::btree_map::Entry;
-use std::collections::BTreeMap;
-use std::fmt;
-use std::vec::Vec;
-
-use indexmap::IndexMap;
-use meilisearch_types::deserr::DeserrJsonError;
-use meilisearch_types::error::deserr_codes::{
-    InvalidMultiSearchFacetsByIndex, InvalidMultiSearchMaxValuesPerFacet,
-    InvalidMultiSearchMergeFacets, InvalidMultiSearchQueryPosition, InvalidMultiSearchRemote,
-    InvalidMultiSearchWeight, InvalidSearchLimit, InvalidSearchOffset,
-};
-use meilisearch_types::error::ResponseError;
-use meilisearch_types::index_uid::IndexUid;
-use meilisearch_types::milli::order_by_map::OrderByMap;
-use meilisearch_types::milli::OrderBy;
-use serde::{Deserialize, Serialize};
-use utoipa::ToSchema;
-
-use super::super::{ComputedFacets, FacetStats, HitsInfo, SearchHit, SearchQueryWithIndex};
-
-pub const DEFAULT_FEDERATED_WEIGHT: f64 = 1.0;
-
-// fields in the response
-pub const FEDERATION_HIT: &str = "_federation";
-pub const INDEX_UID: &str = "indexUid";
-pub const QUERIES_POSITION: &str = "queriesPosition";
-pub const WEIGHTED_RANKING_SCORE: &str = "weightedRankingScore";
-pub const WEIGHTED_SCORE_VALUES: &str = "weightedScoreValues";
-pub const FEDERATION_REMOTE: &str = "remote";
-
-#[derive(Debug, Default, Clone, PartialEq, Serialize, deserr::Deserr, ToSchema)]
-#[deserr(error = DeserrJsonError, rename_all = camelCase, deny_unknown_fields)]
-#[serde(rename_all = "camelCase")]
-
-pub struct FederationOptions {
-    #[deserr(default, error = DeserrJsonError<InvalidMultiSearchWeight>)]
-    #[schema(value_type = f64)]
-    pub weight: Weight,
-
-    #[deserr(default, error = DeserrJsonError<InvalidMultiSearchRemote>)]
-    pub remote: Option<String>,
-
-    #[deserr(default, error = DeserrJsonError<InvalidMultiSearchQueryPosition>)]
-    pub query_position: Option<usize>,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Serialize, deserr::Deserr)]
-#[deserr(try_from(f64) = TryFrom::try_from -> InvalidMultiSearchWeight)]
-pub struct Weight(f64);
-
-impl Default for Weight {
-    fn default() -> Self {
-        Weight(DEFAULT_FEDERATED_WEIGHT)
-    }
-}
-
-impl std::convert::TryFrom<f64> for Weight {
-    type Error = InvalidMultiSearchWeight;
-
-    fn try_from(f: f64) -> Result<Self, Self::Error> {
-        if f < 0.0 {
-            Err(InvalidMultiSearchWeight)
-        } else {
-            Ok(Weight(f))
-        }
-    }
-}
-
-impl std::ops::Deref for Weight {
-    type Target = f64;
-
-    fn deref(&self) -> &Self::Target {
-        &self.0
-    }
-}
-
-#[derive(Debug, Clone, deserr::Deserr, Serialize, ToSchema)]
-#[deserr(error = DeserrJsonError, rename_all = camelCase, deny_unknown_fields)]
-#[schema(rename_all = "camelCase")]
-#[serde(rename_all = "camelCase")]
-pub struct Federation {
-    #[deserr(default = super::super::DEFAULT_SEARCH_LIMIT(), error = DeserrJsonError<InvalidSearchLimit>)]
-    pub limit: usize,
-    #[deserr(default = super::super::DEFAULT_SEARCH_OFFSET(), error = DeserrJsonError<InvalidSearchOffset>)]
-    pub offset: usize,
-    #[deserr(default, error = DeserrJsonError<InvalidMultiSearchFacetsByIndex>)]
-    pub facets_by_index: BTreeMap<IndexUid, Option<Vec<String>>>,
-    #[deserr(default, error = DeserrJsonError<InvalidMultiSearchMergeFacets>)]
-    pub merge_facets: Option<MergeFacets>,
-}
-
-#[derive(Copy, Clone, Debug, deserr::Deserr, Serialize, Default, ToSchema)]
-#[deserr(error = DeserrJsonError<InvalidMultiSearchMergeFacets>, rename_all = camelCase, deny_unknown_fields)]
-#[schema(rename_all = "camelCase")]
-#[serde(rename_all = "camelCase")]
-pub struct MergeFacets {
-    #[deserr(default, error = DeserrJsonError<InvalidMultiSearchMaxValuesPerFacet>)]
-    pub max_values_per_facet: Option<usize>,
-}
-
-#[derive(Debug, deserr::Deserr, Serialize, ToSchema)]
-#[deserr(error = DeserrJsonError, rename_all = camelCase, deny_unknown_fields)]
-#[schema(rename_all = "camelCase")]
-#[serde(rename_all = "camelCase")]
-pub struct FederatedSearch {
-    pub queries: Vec<SearchQueryWithIndex>,
-    #[deserr(default)]
-    pub federation: Option<Federation>,
-}
-
-#[derive(Serialize, Deserialize, Clone, ToSchema)]
-#[serde(rename_all = "camelCase")]
-#[schema(rename_all = "camelCase")]
-pub struct FederatedSearchResult {
-    pub hits: Vec<SearchHit>,
-    pub processing_time_ms: u128,
-    #[serde(flatten)]
-    pub hits_info: HitsInfo,
-
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub semantic_hit_count: Option<u32>,
-
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    #[schema(value_type = Option<BTreeMap<String, BTreeMap<String, u64>>>)]
-    pub facet_distribution: Option<BTreeMap<String, IndexMap<String, u64>>>,
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub facet_stats: Option<BTreeMap<String, FacetStats>>,
-    #[serde(default, skip_serializing_if = "FederatedFacets::is_empty")]
-    pub facets_by_index: FederatedFacets,
-
-    #[serde(default, skip_serializing_if = "Option::is_none")]
-    pub remote_errors: Option<BTreeMap<String, ResponseError>>,
-
-    // These fields are only used for analytics purposes
-    #[serde(skip)]
-    pub degraded: bool,
-    #[serde(skip)]
-    pub used_negative_operator: bool,
-}
-
-impl fmt::Debug for FederatedSearchResult {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        let FederatedSearchResult {
-            hits,
-            processing_time_ms,
-            hits_info,
-            semantic_hit_count,
-            degraded,
-            used_negative_operator,
-            facet_distribution,
-            facet_stats,
-            facets_by_index,
-            remote_errors,
-        } = self;
-
-        let mut debug = f.debug_struct("SearchResult");
-        // The most important thing when looking at a search result is the time it took to process
-        debug.field("processing_time_ms", &processing_time_ms);
-        debug.field("hits", &format!("[{} hits returned]", hits.len()));
-        debug.field("hits_info", &hits_info);
-        if *used_negative_operator {
-            debug.field("used_negative_operator", used_negative_operator);
-        }
-        if *degraded {
-            debug.field("degraded", degraded);
-        }
-        if let Some(facet_distribution) = facet_distribution {
-            debug.field("facet_distribution", &facet_distribution);
-        }
-        if let Some(facet_stats) = facet_stats {
-            debug.field("facet_stats", &facet_stats);
-        }
-        if let Some(semantic_hit_count) = semantic_hit_count {
-            debug.field("semantic_hit_count", &semantic_hit_count);
-        }
-        if !facets_by_index.is_empty() {
-            debug.field("facets_by_index", &facets_by_index);
-        }
-        if let Some(remote_errors) = remote_errors {
-            debug.field("remote_errors", &remote_errors);
-        }
-
-        debug.finish()
-    }
-}
-
-#[derive(Debug, Clone, Default, Serialize, Deserialize, ToSchema)]
-pub struct FederatedFacets(pub BTreeMap<String, ComputedFacets>);
-
-impl FederatedFacets {
-    pub fn insert(&mut self, index: String, facets: Option<ComputedFacets>) {
-        if let Some(facets) = facets {
-            self.0.insert(index, facets);
-        }
-    }
-
-    pub fn is_empty(&self) -> bool {
-        self.0.is_empty()
-    }
-
-    pub fn merge(
-        self,
-        MergeFacets { max_values_per_facet }: MergeFacets,
-        facet_order: BTreeMap<String, (String, OrderBy)>,
-    ) -> Option<ComputedFacets> {
-        if self.is_empty() {
-            return None;
-        }
-
-        let mut distribution: BTreeMap<String, _> = Default::default();
-        let mut stats: BTreeMap<String, FacetStats> = Default::default();
-
-        for facets_by_index in self.0.into_values() {
-            for (facet, index_distribution) in facets_by_index.distribution {
-                match distribution.entry(facet) {
-                    Entry::Vacant(entry) => {
-                        entry.insert(index_distribution);
-                    }
-                    Entry::Occupied(mut entry) => {
-                        let distribution = entry.get_mut();
-
-                        for (value, index_count) in index_distribution {
-                            distribution
-                                .entry(value)
-                                .and_modify(|count| *count += index_count)
-                                .or_insert(index_count);
-                        }
-                    }
-                }
-            }
-
-            for (facet, index_stats) in facets_by_index.stats {
-                match stats.entry(facet) {
-                    Entry::Vacant(entry) => {
-                        entry.insert(index_stats);
-                    }
-                    Entry::Occupied(mut entry) => {
-                        let stats = entry.get_mut();
-
-                        stats.min = f64::min(stats.min, index_stats.min);
-                        stats.max = f64::max(stats.max, index_stats.max);
-                    }
-                }
-            }
-        }
-
-        // fixup order
-        for (facet, values) in &mut distribution {
-            let order_by = facet_order.get(facet).map(|(_, order)| *order).unwrap_or_default();
-
-            match order_by {
-                OrderBy::Lexicographic => {
-                    values.sort_unstable_by(|left, _, right, _| left.cmp(right))
-                }
-                OrderBy::Count => {
-                    values.sort_unstable_by(|_, left, _, right| {
-                        left.cmp(right)
-                            // biggest first
-                            .reverse()
-                    })
-                }
-            }
-
-            if let Some(max_values_per_facet) = max_values_per_facet {
-                values.truncate(max_values_per_facet)
-            };
-        }
-
-        Some(ComputedFacets { distribution, stats })
-    }
-
-    pub(crate) fn append(&mut self, FederatedFacets(remote_facets_by_index): FederatedFacets) {
-        for (index, remote_facets) in remote_facets_by_index {
-            let merged_facets = self.0.entry(index).or_default();
-
-            for (remote_facet, remote_stats) in remote_facets.stats {
-                match merged_facets.stats.entry(remote_facet) {
-                    Entry::Vacant(vacant_entry) => {
-                        vacant_entry.insert(remote_stats);
-                    }
-                    Entry::Occupied(mut occupied_entry) => {
-                        let stats = occupied_entry.get_mut();
-                        stats.min = f64::min(stats.min, remote_stats.min);
-                        stats.max = f64::max(stats.max, remote_stats.max);
-                    }
-                }
-            }
-
-            for (remote_facet, remote_values) in remote_facets.distribution {
-                let merged_facet = merged_facets.distribution.entry(remote_facet).or_default();
-                for (remote_value, remote_count) in remote_values {
-                    let count = merged_facet.entry(remote_value).or_default();
-                    *count += remote_count;
-                }
-            }
-        }
-    }
-
-    pub fn sort_and_truncate(&mut self, facet_order: BTreeMap<String, (OrderByMap, usize)>) {
-        for (index, facets) in &mut self.0 {
-            let Some((order_by, max_values_per_facet)) = facet_order.get(index) else {
-                continue;
-            };
-            for (facet, values) in &mut facets.distribution {
-                match order_by.get(facet) {
-                    OrderBy::Lexicographic => {
-                        values.sort_unstable_by(|left, _, right, _| left.cmp(right))
-                    }
-                    OrderBy::Count => {
-                        values.sort_unstable_by(|_, left, _, right| {
-                            left.cmp(right)
-                                // biggest first
-                                .reverse()
-                        })
-                    }
-                }
-                values.truncate(*max_values_per_facet);
-            }
-        }
-    }
-}

crates/meilisearch/src/search/federated/weighted_scores.rs

@@ -1,88 +0,0 @@
-use std::cmp::Ordering;
-
-use meilisearch_types::milli::score_details::{self, WeightedScoreValue};
-
-pub fn compare(
-    mut left_it: impl Iterator<Item = WeightedScoreValue>,
-    left_weighted_global_score: f64,
-    mut right_it: impl Iterator<Item = WeightedScoreValue>,
-    right_weighted_global_score: f64,
-) -> Ordering {
-    loop {
-        let left = left_it.next();
-        let right = right_it.next();
-
-        match (left, right) {
-            (None, None) => return Ordering::Equal,
-            (None, Some(_)) => return Ordering::Less,
-            (Some(_), None) => return Ordering::Greater,
-            (
-                Some(
-                    WeightedScoreValue::WeightedScore(left) | WeightedScoreValue::VectorSort(left),
-                ),
-                Some(
-                    WeightedScoreValue::WeightedScore(right)
-                    | WeightedScoreValue::VectorSort(right),
-                ),
-            ) => {
-                if (left - right).abs() <= f64::EPSILON {
-                    continue;
-                }
-                return left.partial_cmp(&right).unwrap();
-            }
-            (
-                Some(WeightedScoreValue::Sort { asc: left_asc, value: left }),
-                Some(WeightedScoreValue::Sort { asc: right_asc, value: right }),
-            ) => {
-                if left_asc != right_asc {
-                    return left_weighted_global_score
-                        .partial_cmp(&right_weighted_global_score)
-                        .unwrap();
-                }
-                match score_details::compare_sort_values(left_asc, &left, &right) {
-                    Ordering::Equal => continue,
-                    order => return order,
-                }
-            }
-            (
-                Some(WeightedScoreValue::GeoSort { asc: left_asc, distance: left }),
-                Some(WeightedScoreValue::GeoSort { asc: right_asc, distance: right }),
-            ) => {
-                if left_asc != right_asc {
-                    continue;
-                }
-                match (left, right) {
-                    (None, None) => continue,
-                    (None, Some(_)) => return Ordering::Less,
-                    (Some(_), None) => return Ordering::Greater,
-                    (Some(left), Some(right)) => {
-                        if (left - right).abs() <= f64::EPSILON {
-                            continue;
-                        }
-                        return left.partial_cmp(&right).unwrap();
-                    }
-                }
-            }
-            // not comparable details, use global
-            (Some(WeightedScoreValue::WeightedScore(_)), Some(_))
-            | (Some(_), Some(WeightedScoreValue::WeightedScore(_)))
-            | (Some(WeightedScoreValue::VectorSort(_)), Some(_))
-            | (Some(_), Some(WeightedScoreValue::VectorSort(_)))
-            | (Some(WeightedScoreValue::GeoSort { .. }), Some(WeightedScoreValue::Sort { .. }))
-            | (Some(WeightedScoreValue::Sort { .. }), Some(WeightedScoreValue::GeoSort { .. })) => {
-                let left_count = left_it.count();
-                let right_count = right_it.count();
-                // compare how many remaining groups of rules each side has.
-                // the group with the most remaining groups wins.
-                return left_count
-                    .cmp(&right_count)
-                    // breaks ties with the global ranking score
-                    .then_with(|| {
-                        left_weighted_global_score
-                            .partial_cmp(&right_weighted_global_score)
-                            .unwrap()
-                    });
-            }
-        }
-    }
-}

crates/meilisearch/src/search/mod.rs

@@ -30,7 +30,7 @@ use milli::{
     MatchBounds, MatcherBuilder, SortError, TermsMatchingStrategy, DEFAULT_VALUES_PER_FACET,
 };
 use regex::Regex;
-use serde::{Deserialize, Serialize};
+use serde::Serialize;
 use serde_json::{json, Value};
 #[cfg(test)]
 mod mod_test;
@@ -41,7 +41,7 @@ use crate::error::MeilisearchHttpError;
 mod federated;
 pub use federated::{
     perform_federated_search, FederatedSearch, FederatedSearchResult, Federation,
-    FederationOptions, MergeFacets, PROXY_SEARCH_HEADER, PROXY_SEARCH_HEADER_VALUE,
+    FederationOptions, MergeFacets,
 };
 
 mod ranking_rules;
@@ -119,7 +119,7 @@ pub struct SearchQuery {
     pub locales: Option<Vec<Locale>>,
 }
 
-#[derive(Debug, Clone, Copy, PartialEq, Deserr, ToSchema, Serialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Deserr, ToSchema)]
 #[deserr(try_from(f64) = TryFrom::try_from -> InvalidSearchRankingScoreThreshold)]
 pub struct RankingScoreThreshold(f64);
 impl std::convert::TryFrom<f64> for RankingScoreThreshold {
@@ -275,13 +275,11 @@ impl fmt::Debug for SearchQuery {
     }
 }
 
-#[derive(Debug, Clone, Default, PartialEq, Deserr, ToSchema, Serialize)]
+#[derive(Debug, Clone, Default, PartialEq, Deserr, ToSchema)]
 #[deserr(error = DeserrJsonError<InvalidSearchHybridQuery>, rename_all = camelCase, deny_unknown_fields)]
-#[serde(rename_all = "camelCase")]
 pub struct HybridQuery {
     #[deserr(default, error = DeserrJsonError<InvalidSearchSemanticRatio>, default)]
     #[schema(value_type = f32, default)]
-    #[serde(default)]
     pub semantic_ratio: SemanticRatio,
     #[deserr(error = DeserrJsonError<InvalidSearchEmbedder>)]
     pub embedder: String,
@@ -371,7 +369,7 @@ impl SearchKind {
     }
 }
 
-#[derive(Debug, Clone, Copy, PartialEq, Deserr, Serialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Deserr)]
 #[deserr(try_from(f32) = TryFrom::try_from -> InvalidSearchSemanticRatio)]
 pub struct SemanticRatio(f32);
 
@@ -413,9 +411,8 @@ impl SearchQuery {
 // This struct contains the fields of `SearchQuery` inline.
 // This is because neither deserr nor serde support `flatten` when using `deny_unknown_fields.
 // The `From<SearchQueryWithIndex>` implementation ensures both structs remain up to date.
-#[derive(Debug, Clone, Serialize, PartialEq, Deserr, ToSchema)]
+#[derive(Debug, Clone, PartialEq, Deserr, ToSchema)]
 #[deserr(error = DeserrJsonError, rename_all = camelCase, deny_unknown_fields)]
-#[serde(rename_all = "camelCase")]
 #[schema(rename_all = "camelCase")]
 pub struct SearchQueryWithIndex {
     #[deserr(error = DeserrJsonError<InvalidIndexUid>, missing_field_error = DeserrJsonError::missing_index_uid)]
@@ -496,72 +493,6 @@ impl SearchQueryWithIndex {
         self.facets.as_deref().filter(|v| !v.is_empty())
     }
 
-    pub fn from_index_query_federation(
-        index_uid: IndexUid,
-        query: SearchQuery,
-        federation_options: Option<FederationOptions>,
-    ) -> Self {
-        let SearchQuery {
-            q,
-            vector,
-            hybrid,
-            offset,
-            limit,
-            page,
-            hits_per_page,
-            attributes_to_retrieve,
-            retrieve_vectors,
-            attributes_to_crop,
-            crop_length,
-            attributes_to_highlight,
-            show_matches_position,
-            show_ranking_score,
-            show_ranking_score_details,
-            filter,
-            sort,
-            distinct,
-            facets,
-            highlight_pre_tag,
-            highlight_post_tag,
-            crop_marker,
-            matching_strategy,
-            attributes_to_search_on,
-            ranking_score_threshold,
-            locales,
-        } = query;
-
-        SearchQueryWithIndex {
-            index_uid,
-            q,
-            vector,
-            hybrid,
-            offset: if offset == DEFAULT_SEARCH_OFFSET() { None } else { Some(offset) },
-            limit: if limit == DEFAULT_SEARCH_LIMIT() { None } else { Some(limit) },
-            page,
-            hits_per_page,
-            attributes_to_retrieve,
-            retrieve_vectors,
-            attributes_to_crop,
-            crop_length,
-            attributes_to_highlight,
-            show_ranking_score,
-            show_ranking_score_details,
-            show_matches_position,
-            filter,
-            sort,
-            distinct,
-            facets,
-            highlight_pre_tag,
-            highlight_post_tag,
-            crop_marker,
-            matching_strategy,
-            attributes_to_search_on,
-            ranking_score_threshold,
-            locales,
-            federation_options,
-        }
-    }
-
     pub fn into_index_query_federation(self) -> (IndexUid, SearchQuery, Option<FederationOptions>) {
         let SearchQueryWithIndex {
             index_uid,
@@ -689,9 +620,8 @@ impl TryFrom<Value> for ExternalDocumentId {
     }
 }
 
-#[derive(Debug, Copy, Clone, PartialEq, Eq, Deserr, ToSchema, Serialize)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Deserr, ToSchema)]
 #[deserr(rename_all = camelCase)]
-#[serde(rename_all = "camelCase")]
 pub enum MatchingStrategy {
     /// Remove query words from last to first
     Last,
@@ -737,19 +667,19 @@ impl From<FacetValuesSort> for OrderBy {
     }
 }
 
-#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, ToSchema)]
+#[derive(Debug, Clone, Serialize, PartialEq, ToSchema)]
 pub struct SearchHit {
     #[serde(flatten)]
     #[schema(additional_properties, inline, value_type = HashMap<String, Value>)]
     pub document: Document,
-    #[serde(default, rename = "_formatted", skip_serializing_if = "Document::is_empty")]
+    #[serde(rename = "_formatted", skip_serializing_if = "Document::is_empty")]
     #[schema(additional_properties, value_type = HashMap<String, Value>)]
     pub formatted: Document,
-    #[serde(default, rename = "_matchesPosition", skip_serializing_if = "Option::is_none")]
+    #[serde(rename = "_matchesPosition", skip_serializing_if = "Option::is_none")]
     pub matches_position: Option<MatchesPosition>,
-    #[serde(default, rename = "_rankingScore", skip_serializing_if = "Option::is_none")]
+    #[serde(rename = "_rankingScore", skip_serializing_if = "Option::is_none")]
     pub ranking_score: Option<f64>,
-    #[serde(default, rename = "_rankingScoreDetails", skip_serializing_if = "Option::is_none")]
+    #[serde(rename = "_rankingScoreDetails", skip_serializing_if = "Option::is_none")]
     pub ranking_score_details: Option<serde_json::Map<String, serde_json::Value>>,
 }
 
@@ -837,7 +767,7 @@ pub struct SearchResultWithIndex {
     pub result: SearchResult,
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq, ToSchema)]
+#[derive(Serialize, Debug, Clone, PartialEq, Eq, ToSchema)]
 #[serde(untagged)]
 pub enum HitsInfo {
     #[serde(rename_all = "camelCase")]
@@ -848,7 +778,7 @@ pub enum HitsInfo {
     OffsetLimit { limit: usize, offset: usize, estimated_total_hits: usize },
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, ToSchema)]
+#[derive(Serialize, Debug, Clone, PartialEq, ToSchema)]
 pub struct FacetStats {
     pub min: f64,
     pub max: f64,
@@ -1131,7 +1061,7 @@ pub fn perform_search(
     Ok(result)
 }
 
-#[derive(Debug, Clone, Default, Serialize, Deserialize, ToSchema)]
+#[derive(Debug, Clone, Default, Serialize, ToSchema)]
 pub struct ComputedFacets {
     #[schema(value_type = BTreeMap<String, BTreeMap<String, u64>>)]
     pub distribution: BTreeMap<String, IndexMap<String, u64>>,
@@ -1397,12 +1327,13 @@ impl<'a> HitMaker<'a> {
     }
 
     pub fn make_hit(&self, id: u32, score: &[ScoreDetails]) -> milli::Result<SearchHit> {
-        let (_, obkv) =
-            self.index.iter_documents(self.rtxn, std::iter::once(id))?.next().unwrap()?;
+        let mut buffer = Vec::new();
+        let dict = self.index.document_decompression_dictionary(self.rtxn)?;
+        let compressed = self.index.compressed_document(self.rtxn, id)?.unwrap();
+        let doc = compressed.decompress_with_optional_dictionary(&mut buffer, dict.as_ref())?;
 
         // First generate a document with all the displayed fields
-        let displayed_document = make_document(&self.displayed_ids, &self.fields_ids_map, obkv)?;
-
+        let displayed_document = make_document(&self.displayed_ids, &self.fields_ids_map, doc)?;
         let add_vectors_fid =
             self.vectors_fid.filter(|_fid| self.retrieve_vectors == RetrieveVectors::Retrieve);
 

crates/meilisearch/src/upgrade/mod.rs

@@ -1 +0,0 @@
-

crates/meilisearch/tests/auth/api_keys.rs

@@ -421,7 +421,7 @@ async fn error_add_api_key_invalid_parameters_actions() {
     meili_snap::snapshot!(code, @"400 Bad Request");
     meili_snap::snapshot!(meili_snap::json_string!(response, { ".createdAt" => "[ignored]", ".updatedAt" => "[ignored]" }), @r###"
     {
-      "message": "Unknown value `doc.add` at `.actions[0]`: expected one of `*`, `search`, `documents.*`, `documents.add`, `documents.get`, `documents.delete`, `indexes.*`, `indexes.create`, `indexes.get`, `indexes.update`, `indexes.delete`, `indexes.swap`, `tasks.*`, `tasks.cancel`, `tasks.delete`, `tasks.get`, `settings.*`, `settings.get`, `settings.update`, `stats.*`, `stats.get`, `metrics.*`, `metrics.get`, `dumps.*`, `dumps.create`, `snapshots.*`, `snapshots.create`, `version`, `keys.create`, `keys.get`, `keys.update`, `keys.delete`, `experimental.get`, `experimental.update`, `network.get`, `network.update`",
+      "message": "Unknown value `doc.add` at `.actions[0]`: expected one of `*`, `search`, `documents.*`, `documents.add`, `documents.get`, `documents.delete`, `indexes.*`, `indexes.create`, `indexes.get`, `indexes.update`, `indexes.delete`, `indexes.swap`, `tasks.*`, `tasks.cancel`, `tasks.delete`, `tasks.get`, `settings.*`, `settings.get`, `settings.update`, `stats.*`, `stats.get`, `metrics.*`, `metrics.get`, `dumps.*`, `dumps.create`, `snapshots.*`, `snapshots.create`, `version`, `keys.create`, `keys.get`, `keys.update`, `keys.delete`, `experimental.get`, `experimental.update`",
       "code": "invalid_api_key_actions",
       "type": "invalid_request",
       "link": "https://docs.meilisearch.com/errors#invalid_api_key_actions"

crates/meilisearch/tests/auth/authorization.rs

@@ -68,8 +68,6 @@ pub static AUTHORIZATIONS: Lazy<HashMap<(&'static str, &'static str), HashSet<&'
             ("GET",     "/keys") =>                                            hashset!{"keys.get", "*"},
             ("GET",     "/experimental-features") =>                           hashset!{"experimental.get", "*"},
             ("PATCH",   "/experimental-features") =>                           hashset!{"experimental.update", "*"},
-            ("GET",   "/network") =>                                           hashset!{"network.get", "*"},
-            ("PATCH",   "/network") =>                                         hashset!{"network.update", "*"},
         };
 
         authorizations

crates/meilisearch/tests/auth/errors.rs

@@ -93,7 +93,7 @@ async fn create_api_key_bad_actions() {
     snapshot!(code, @"400 Bad Request");
     snapshot!(json_string!(response), @r###"
     {
-      "message": "Unknown value `doggo` at `.actions[0]`: expected one of `*`, `search`, `documents.*`, `documents.add`, `documents.get`, `documents.delete`, `indexes.*`, `indexes.create`, `indexes.get`, `indexes.update`, `indexes.delete`, `indexes.swap`, `tasks.*`, `tasks.cancel`, `tasks.delete`, `tasks.get`, `settings.*`, `settings.get`, `settings.update`, `stats.*`, `stats.get`, `metrics.*`, `metrics.get`, `dumps.*`, `dumps.create`, `snapshots.*`, `snapshots.create`, `version`, `keys.create`, `keys.get`, `keys.update`, `keys.delete`, `experimental.get`, `experimental.update`, `network.get`, `network.update`",
+      "message": "Unknown value `doggo` at `.actions[0]`: expected one of `*`, `search`, `documents.*`, `documents.add`, `documents.get`, `documents.delete`, `indexes.*`, `indexes.create`, `indexes.get`, `indexes.update`, `indexes.delete`, `indexes.swap`, `tasks.*`, `tasks.cancel`, `tasks.delete`, `tasks.get`, `settings.*`, `settings.get`, `settings.update`, `stats.*`, `stats.get`, `metrics.*`, `metrics.get`, `dumps.*`, `dumps.create`, `snapshots.*`, `snapshots.create`, `version`, `keys.create`, `keys.get`, `keys.update`, `keys.delete`, `experimental.get`, `experimental.update`",
       "code": "invalid_api_key_actions",
       "type": "invalid_request",
       "link": "https://docs.meilisearch.com/errors#invalid_api_key_actions"

crates/meilisearch/tests/batches/errors.rs

@@ -42,7 +42,7 @@ async fn batch_bad_types() {
     snapshot!(code, @"400 Bad Request");
     snapshot!(json_string!(response), @r#"
     {
-      "message": "Invalid value in parameter `types`: `doggo` is not a valid task type. Available types are `documentAdditionOrUpdate`, `documentEdition`, `documentDeletion`, `settingsUpdate`, `indexCreation`, `indexDeletion`, `indexUpdate`, `indexSwap`, `taskCancelation`, `taskDeletion`, `dumpCreation`, `snapshotCreation`, `upgradeDatabase`.",
+      "message": "Invalid value in parameter `types`: `doggo` is not a valid task type. Available types are `documentAdditionOrUpdate`, `documentEdition`, `documentDeletion`, `settingsUpdate`, `indexCreation`, `indexDeletion`, `indexUpdate`, `indexSwap`, `taskCancelation`, `taskDeletion`, `dumpCreation`, `snapshotCreation`.",
       "code": "invalid_task_types",
       "type": "invalid_request",
       "link": "https://docs.meilisearch.com/errors#invalid_task_types"

crates/meilisearch/tests/batches/mod.rs

@@ -41,8 +41,9 @@ async fn list_batches() {
     let index = server.index("test");
     let (task, _status_code) = index.create(None).await;
     index.wait_task(task.uid()).await.succeeded();
-    let (task, _status_code) = index.create(None).await;
-    index.wait_task(task.uid()).await.failed();
+    index
+        .add_documents(serde_json::from_str(include_str!("../assets/test_set.json")).unwrap(), None)
+        .await;
     let (response, code) = index.list_batches().await;
     assert_eq!(code, 200);
     assert_eq!(
@@ -95,12 +96,11 @@ async fn list_batches_pagination_and_reverse() {
 async fn list_batches_with_star_filters() {
     let server = Server::new().await;
     let index = server.index("test");
-    let (task, _code) = index.create(None).await;
-    index.wait_task(task.uid()).await.succeeded();
-    let index = server.index("test");
-    let (task, _code) = index.create(None).await;
-    index.wait_task(task.uid()).await.failed();
-
+    let (batch, _code) = index.create(None).await;
+    index.wait_task(batch.uid()).await.succeeded();
+    index
+        .add_documents(serde_json::from_str(include_str!("../assets/test_set.json")).unwrap(), None)
+        .await;
     let (response, code) = index.service.get("/batches?indexUids=test").await;
     assert_eq!(code, 200);
     assert_eq!(response["results"].as_array().unwrap().len(), 2);
@@ -187,6 +187,9 @@ async fn list_batches_invalid_canceled_by_filter() {
     let index = server.index("test");
     let (task, _status_code) = index.create(None).await;
     index.wait_task(task.uid()).await.succeeded();
+    index
+        .add_documents(serde_json::from_str(include_str!("../assets/test_set.json")).unwrap(), None)
+        .await;
 
     let (response, code) = index.filtered_batches(&[], &[], &["0"]).await;
     assert_eq!(code, 200, "{}", response);
@@ -199,8 +202,9 @@ async fn list_batches_status_and_type_filtered() {
     let index = server.index("test");
     let (task, _status_code) = index.create(None).await;
     index.wait_task(task.uid()).await.succeeded();
-    let (task, _status_code) = index.update(Some("id")).await;
-    index.wait_task(task.uid()).await.succeeded();
+    index
+        .add_documents(serde_json::from_str(include_str!("../assets/test_set.json")).unwrap(), None)
+        .await;
 
     let (response, code) = index.filtered_batches(&["indexCreation"], &["failed"], &[]).await;
     assert_eq!(code, 200, "{}", response);
@@ -208,7 +212,7 @@ async fn list_batches_status_and_type_filtered() {
 
     let (response, code) = index
         .filtered_batches(
-            &["indexCreation", "IndexUpdate"],
+            &["indexCreation", "documentAdditionOrUpdate"],
             &["succeeded", "processing", "enqueued"],
             &[],
         )

crates/meilisearch/tests/common/server.rs

@@ -88,10 +88,6 @@ impl Server<Owned> {
         self.service.api_key = Some(api_key.as_ref().to_string());
     }
 
-    pub fn clear_api_key(&mut self) {
-        self.service.api_key = None;
-    }
-
     /// Fetch and use the default admin key for nexts http requests.
     pub async fn use_admin_key(&mut self, master_key: impl AsRef<str>) {
         self.use_api_key(master_key);
@@ -167,10 +163,6 @@ impl Server<Owned> {
         self.service.patch("/experimental-features", value).await
     }
 
-    pub async fn set_network(&self, value: Value) -> (Value, StatusCode) {
-        self.service.patch("/network", value).await
-    }
-
     pub async fn get_metrics(&self) -> (Value, StatusCode) {
         self.service.get("/metrics").await
     }
@@ -396,10 +388,6 @@ impl<State> Server<State> {
     pub async fn get_features(&self) -> (Value, StatusCode) {
         self.service.get("/experimental-features").await
     }
-
-    pub async fn get_network(&self) -> (Value, StatusCode) {
-        self.service.get("/network").await
-    }
 }
 
 pub fn default_settings(dir: impl AsRef<Path>) -> Opt {

crates/meilisearch/tests/dumps/mod.rs

@@ -1908,8 +1908,7 @@ async fn import_dump_v6_containing_experimental_features() {
       "metrics": false,
       "logsRoute": false,
       "editDocumentsByFunction": false,
-      "containsFilter": false,
-      "network": false
+      "containsFilter": false
     }
     "###);
 
@@ -2070,8 +2069,7 @@ async fn generate_and_import_dump_containing_vectors() {
       "metrics": false,
       "logsRoute": false,
       "editDocumentsByFunction": false,
-      "containsFilter": false,
-      "network": false
+      "containsFilter": false
     }
     "###);
 

crates/meilisearch/tests/features/mod.rs

@@ -21,8 +21,7 @@ async fn experimental_features() {
       "metrics": false,
       "logsRoute": false,
       "editDocumentsByFunction": false,
-      "containsFilter": false,
-      "network": false
+      "containsFilter": false
     }
     "###);
 
@@ -34,8 +33,7 @@ async fn experimental_features() {
       "metrics": true,
       "logsRoute": false,
       "editDocumentsByFunction": false,
-      "containsFilter": false,
-      "network": false
+      "containsFilter": false
     }
     "###);
 
@@ -47,8 +45,7 @@ async fn experimental_features() {
       "metrics": true,
       "logsRoute": false,
       "editDocumentsByFunction": false,
-      "containsFilter": false,
-      "network": false
+      "containsFilter": false
     }
     "###);
 
@@ -61,8 +58,7 @@ async fn experimental_features() {
       "metrics": true,
       "logsRoute": false,
       "editDocumentsByFunction": false,
-      "containsFilter": false,
-      "network": false
+      "containsFilter": false
     }
     "###);
 
@@ -75,8 +71,7 @@ async fn experimental_features() {
       "metrics": true,
       "logsRoute": false,
       "editDocumentsByFunction": false,
-      "containsFilter": false,
-      "network": false
+      "containsFilter": false
     }
     "###);
 }
@@ -96,8 +91,7 @@ async fn experimental_feature_metrics() {
       "metrics": true,
       "logsRoute": false,
       "editDocumentsByFunction": false,
-      "containsFilter": false,
-      "network": false
+      "containsFilter": false
     }
     "###);
 
@@ -152,7 +146,7 @@ async fn errors() {
     meili_snap::snapshot!(code, @"400 Bad Request");
     meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
     {
-      "message": "Unknown field `NotAFeature`: expected one of `metrics`, `logsRoute`, `editDocumentsByFunction`, `containsFilter`, `network`",
+      "message": "Unknown field `NotAFeature`: expected one of `metrics`, `logsRoute`, `editDocumentsByFunction`, `containsFilter`",
       "code": "bad_request",
       "type": "invalid_request",
       "link": "https://docs.meilisearch.com/errors#bad_request"

crates/meilisearch/tests/integration.rs

@@ -7,7 +7,6 @@ mod dumps;
 mod features;
 mod index;
 mod logs;
-mod network;
 mod search;
 mod settings;
 mod similar;
@@ -15,7 +14,6 @@ mod snapshot;
 mod stats;
 mod swap_indexes;
 mod tasks;
-mod upgrade;
 mod vector;
 
 // Tests are isolated by features in different modules to allow better readability, test

crates/meilisearch/tests/network/mod.rs

@@ -1,606 +0,0 @@
-use serde_json::Value::Null;
-
-use crate::common::Server;
-use crate::json;
-
-#[actix_rt::test]
-async fn error_network_not_enabled() {
-    let server = Server::new().await;
-
-    let (response, code) = server.get_network().await;
-
-    meili_snap::snapshot!(code, @"400 Bad Request");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "message": "Using the /network route requires enabling the `network` experimental feature. See https://github.com/orgs/meilisearch/discussions/805",
-      "code": "feature_not_enabled",
-      "type": "invalid_request",
-      "link": "https://docs.meilisearch.com/errors#feature_not_enabled"
-    }
-    "###);
-
-    let (response, code) = server.set_network(json!({"self": "myself"})).await;
-
-    meili_snap::snapshot!(code, @"400 Bad Request");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "message": "Using the /network route requires enabling the `network` experimental feature. See https://github.com/orgs/meilisearch/discussions/805",
-      "code": "feature_not_enabled",
-      "type": "invalid_request",
-      "link": "https://docs.meilisearch.com/errors#feature_not_enabled"
-    }
-    "###);
-}
-
-#[actix_rt::test]
-async fn errors_on_param() {
-    let server = Server::new().await;
-
-    let (response, code) = server.set_features(json!({"network": true})).await;
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response["network"]), @r#"true"#);
-
-    // non-existing param
-    let (response, code) = server.set_network(json!({"selfie": "myself"})).await;
-
-    meili_snap::snapshot!(code, @"400 Bad Request");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "message": "Unknown field `selfie`: expected one of `remotes`, `self`",
-      "code": "bad_request",
-      "type": "invalid_request",
-      "link": "https://docs.meilisearch.com/errors#bad_request"
-    }
-    "###);
-
-    // self not a string
-    let (response, code) = server.set_network(json!({"self": 42})).await;
-
-    meili_snap::snapshot!(code, @"400 Bad Request");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "message": "Invalid value type at `.self`: expected a string, but found a positive integer: `42`",
-      "code": "invalid_network_self",
-      "type": "invalid_request",
-      "link": "https://docs.meilisearch.com/errors#invalid_network_self"
-    }
-    "###);
-
-    // remotes not an object
-    let (response, code) = server.set_network(json!({"remotes": 42})).await;
-
-    meili_snap::snapshot!(code, @"400 Bad Request");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "message": "Invalid value type at `.remotes`: expected an object, but found a positive integer: `42`",
-      "code": "invalid_network_remotes",
-      "type": "invalid_request",
-      "link": "https://docs.meilisearch.com/errors#invalid_network_remotes"
-    }
-    "###);
-
-    // new remote without url
-    let (response, code) = server
-        .set_network(json!({"remotes": {
-            "new": {
-                "searchApiKey": "http://localhost:7700"
-            }
-        }}))
-        .await;
-
-    meili_snap::snapshot!(code, @"400 Bad Request");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "message": "Missing field `.remotes.new.url`",
-      "code": "missing_network_url",
-      "type": "invalid_request",
-      "link": "https://docs.meilisearch.com/errors#missing_network_url"
-    }
-    "###);
-
-    // remote with url not a string
-    let (response, code) = server
-        .set_network(json!({"remotes": {
-            "new": {
-                "url": 7700
-            }
-        }}))
-        .await;
-
-    meili_snap::snapshot!(code, @"400 Bad Request");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "message": "Invalid value type at `.remotes.new.url`: expected a string, but found a positive integer: `7700`",
-      "code": "invalid_network_url",
-      "type": "invalid_request",
-      "link": "https://docs.meilisearch.com/errors#invalid_network_url"
-    }
-    "###);
-
-    // remote with non-existing param
-    let (response, code) = server
-        .set_network(json!({"remotes": {
-            "new": {
-                "url": "http://localhost:7700",
-                "doggo": "Intel the Beagle"
-            }
-        }}))
-        .await;
-
-    meili_snap::snapshot!(code, @"400 Bad Request");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "message": "Unknown field `doggo` inside `.remotes.new`: expected one of `url`, `searchApiKey`",
-      "code": "invalid_network_remotes",
-      "type": "invalid_request",
-      "link": "https://docs.meilisearch.com/errors#invalid_network_remotes"
-    }
-    "###);
-
-    // remote with non-string searchApiKey
-    let (response, code) = server
-        .set_network(json!({"remotes": {
-            "new": {
-                "url": "http://localhost:7700",
-                "searchApiKey": 1204664602099962445u64,
-            }
-        }}))
-        .await;
-
-    meili_snap::snapshot!(code, @"400 Bad Request");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "message": "Invalid value type at `.remotes.new.searchApiKey`: expected a string, but found a positive integer: `1204664602099962445`",
-      "code": "invalid_network_search_api_key",
-      "type": "invalid_request",
-      "link": "https://docs.meilisearch.com/errors#invalid_network_search_api_key"
-    }
-    "###);
-
-    // setting `null` on URL a posteriori
-    let (response, code) = server
-        .set_network(json!({"remotes": {
-            "kefir": {
-                "url": "http://localhost:7700",
-            }
-        }}))
-        .await;
-
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "self": null,
-      "remotes": {
-        "kefir": {
-          "url": "http://localhost:7700",
-          "searchApiKey": null
-        }
-      }
-    }
-    "###);
-    let (response, code) = server
-        .set_network(json!({"remotes": {
-            "kefir": {
-                "url": Null,
-            }
-        }}))
-        .await;
-
-    meili_snap::snapshot!(code, @"400 Bad Request");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "message": "Field `.remotes.kefir.url` cannot be set to `null`",
-      "code": "invalid_network_url",
-      "type": "invalid_request",
-      "link": "https://docs.meilisearch.com/errors#invalid_network_url"
-    }
-    "###);
-}
-
-#[actix_rt::test]
-async fn auth() {
-    let mut server = Server::new_auth().await;
-    server.use_api_key("MASTER_KEY");
-
-    let (response, code) = server.set_features(json!({"network": true})).await;
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response["network"]), @r#"true"#);
-
-    let (get_network_key, code) = server
-        .add_api_key(json!({
-          "actions": ["network.get"],
-          "indexes": ["*"],
-          "expiresAt": serde_json::Value::Null
-        }))
-        .await;
-    meili_snap::snapshot!(code, @"201 Created");
-    let get_network_key = get_network_key["key"].clone();
-
-    let (update_network_key, code) = server
-        .add_api_key(json!({
-          "actions": ["network.update"],
-          "indexes": ["*"],
-          "expiresAt": serde_json::Value::Null
-        }))
-        .await;
-    meili_snap::snapshot!(code, @"201 Created");
-    let update_network_key = update_network_key["key"].clone();
-
-    let (search_api_key, code) = server
-        .add_api_key(json!({
-          "actions": ["search"],
-          "indexes": ["*"],
-          "expiresAt": serde_json::Value::Null
-        }))
-        .await;
-    meili_snap::snapshot!(code, @"201 Created");
-    let search_api_key = search_api_key["key"].clone();
-
-    // try with master key
-    let (response, code) = server
-        .set_network(json!({
-          "self": "master"
-        }))
-        .await;
-
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "self": "master",
-      "remotes": {}
-    }
-    "###);
-
-    let (response, code) = server.get_network().await;
-
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-{
-  "self": "master",
-  "remotes": {}
-}
-"###);
-
-    // try get with get permission
-    server.use_api_key(get_network_key.as_str().unwrap());
-    let (response, code) = server.get_network().await;
-
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-{
-  "self": "master",
-  "remotes": {}
-}
-"###);
-
-    // try update with update permission
-    server.use_api_key(update_network_key.as_str().unwrap());
-
-    let (response, code) = server
-        .set_network(json!({
-          "self": "api_key"
-        }))
-        .await;
-
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-{
-  "self": "api_key",
-  "remotes": {}
-}
-"###);
-
-    // try with the other's permission
-    let (response, code) = server.get_network().await;
-
-    meili_snap::snapshot!(code, @"403 Forbidden");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "message": "The provided API key is invalid.",
-      "code": "invalid_api_key",
-      "type": "auth",
-      "link": "https://docs.meilisearch.com/errors#invalid_api_key"
-    }
-    "###);
-
-    server.use_api_key(get_network_key.as_str().unwrap());
-    let (response, code) = server
-        .set_network(json!({
-          "self": "get_api_key"
-        }))
-        .await;
-
-    meili_snap::snapshot!(code, @"403 Forbidden");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "message": "The provided API key is invalid.",
-      "code": "invalid_api_key",
-      "type": "auth",
-      "link": "https://docs.meilisearch.com/errors#invalid_api_key"
-    }
-    "###);
-    // try either with bad permission
-    server.use_api_key(search_api_key.as_str().unwrap());
-    let (response, code) = server.get_network().await;
-
-    meili_snap::snapshot!(code, @"403 Forbidden");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "message": "The provided API key is invalid.",
-      "code": "invalid_api_key",
-      "type": "auth",
-      "link": "https://docs.meilisearch.com/errors#invalid_api_key"
-    }
-    "###);
-
-    let (response, code) = server
-        .set_network(json!({
-          "self": "get_api_key"
-        }))
-        .await;
-
-    meili_snap::snapshot!(code, @"403 Forbidden");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "message": "The provided API key is invalid.",
-      "code": "invalid_api_key",
-      "type": "auth",
-      "link": "https://docs.meilisearch.com/errors#invalid_api_key"
-    }
-    "###);
-}
-
-#[actix_rt::test]
-async fn get_and_set_network() {
-    let server = Server::new().await;
-
-    let (response, code) = server.set_features(json!({"network": true})).await;
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response["network"]), @r#"true"#);
-
-    let (response, code) = server.get_network().await;
-
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "self": null,
-      "remotes": {}
-    }
-    "###);
-
-    // adding self
-    let (response, code) = server.set_network(json!({"self": "myself"})).await;
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "self": "myself",
-      "remotes": {}
-    }
-    "###);
-
-    // adding remotes
-    let (response, code) = server
-        .set_network(json!({"remotes": {
-            "myself": {
-                "url": "http://localhost:7700"
-            },
-            "thy": {
-                "url": "http://localhost:7701",
-                "searchApiKey": "foo"
-            }
-        }}))
-        .await;
-
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "self": "myself",
-      "remotes": {
-        "myself": {
-          "url": "http://localhost:7700",
-          "searchApiKey": null
-        },
-        "thy": {
-          "url": "http://localhost:7701",
-          "searchApiKey": "foo"
-        }
-      }
-    }
-    "###);
-
-    // partially updating one remote
-    let (response, code) = server
-        .set_network(json!({"remotes": {
-            "thy": {
-                "searchApiKey": "bar"
-            }
-        }}))
-        .await;
-
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "self": "myself",
-      "remotes": {
-        "myself": {
-          "url": "http://localhost:7700",
-          "searchApiKey": null
-        },
-        "thy": {
-          "url": "http://localhost:7701",
-          "searchApiKey": "bar"
-        }
-      }
-    }
-    "###);
-
-    // adding one remote
-    let (response, code) = server
-        .set_network(json!({"remotes": {
-            "them": {
-                "url": "http://localhost:7702",
-                "searchApiKey": "baz"
-            }
-        }}))
-        .await;
-
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "self": "myself",
-      "remotes": {
-        "myself": {
-          "url": "http://localhost:7700",
-          "searchApiKey": null
-        },
-        "them": {
-          "url": "http://localhost:7702",
-          "searchApiKey": "baz"
-        },
-        "thy": {
-          "url": "http://localhost:7701",
-          "searchApiKey": "bar"
-        }
-      }
-    }
-    "###);
-
-    // deleting one remote
-    let (response, code) = server
-        .set_network(json!({"remotes": {
-            "myself": Null,
-        }}))
-        .await;
-
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "self": "myself",
-      "remotes": {
-        "them": {
-          "url": "http://localhost:7702",
-          "searchApiKey": "baz"
-        },
-        "thy": {
-          "url": "http://localhost:7701",
-          "searchApiKey": "bar"
-        }
-      }
-    }
-    "###);
-
-    // removing self
-    let (response, code) = server.set_network(json!({"self": Null})).await;
-
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "self": null,
-      "remotes": {
-        "them": {
-          "url": "http://localhost:7702",
-          "searchApiKey": "baz"
-        },
-        "thy": {
-          "url": "http://localhost:7701",
-          "searchApiKey": "bar"
-        }
-      }
-    }
-    "###);
-
-    // setting self again
-    let (response, code) = server.set_network(json!({"self": "thy"})).await;
-
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "self": "thy",
-      "remotes": {
-        "them": {
-          "url": "http://localhost:7702",
-          "searchApiKey": "baz"
-        },
-        "thy": {
-          "url": "http://localhost:7701",
-          "searchApiKey": "bar"
-        }
-      }
-    }
-    "###);
-
-    // doing nothing
-    let (response, code) = server.set_network(json!({})).await;
-
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-        {
-          "self": "thy",
-          "remotes": {
-            "them": {
-              "url": "http://localhost:7702",
-              "searchApiKey": "baz"
-            },
-            "thy": {
-              "url": "http://localhost:7701",
-              "searchApiKey": "bar"
-            }
-          }
-        }
-        "###);
-
-    // still doing nothing
-    let (response, code) = server.set_network(json!({"remotes": {}})).await;
-
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-        {
-          "self": "thy",
-          "remotes": {
-            "them": {
-              "url": "http://localhost:7702",
-              "searchApiKey": "baz"
-            },
-            "thy": {
-              "url": "http://localhost:7701",
-              "searchApiKey": "bar"
-            }
-          }
-        }
-        "###);
-
-    // good time to check GET
-    let (response, code) = server.get_network().await;
-
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-        {
-          "self": "thy",
-          "remotes": {
-            "them": {
-              "url": "http://localhost:7702",
-              "searchApiKey": "baz"
-            },
-            "thy": {
-              "url": "http://localhost:7701",
-              "searchApiKey": "bar"
-            }
-          }
-        }
-        "###);
-
-    // deleting everything
-    let (response, code) = server
-        .set_network(json!({
-            "remotes": Null,
-        }))
-        .await;
-
-    meili_snap::snapshot!(code, @"200 OK");
-    meili_snap::snapshot!(meili_snap::json_string!(response), @r###"
-    {
-      "self": "thy",
-      "remotes": {}
-    }
-    "###);
-}

crates/meilisearch/tests/search/mod.rs

@@ -1524,57 +1524,3 @@ async fn change_attributes_settings() {
         )
         .await;
 }
-
-/// Modifying facets with different casing should work correctly
-#[actix_rt::test]
-async fn change_facet_casing() {
-    let server = Server::new().await;
-    let index = server.index("test");
-
-    let (response, code) = index
-        .update_settings(json!({
-            "filterableAttributes": ["dog"],
-        }))
-        .await;
-    assert_eq!("202", code.as_str(), "{:?}", response);
-    index.wait_task(response.uid()).await;
-
-    let (response, _code) = index
-        .add_documents(
-            json!([
-                {
-                    "id": 1,
-                    "dog": "Bouvier Bernois"
-                }
-            ]),
-            None,
-        )
-        .await;
-    index.wait_task(response.uid()).await;
-
-    let (response, _code) = index
-        .add_documents(
-            json!([
-                {
-                    "id": 1,
-                    "dog": "bouvier bernois"
-                }
-            ]),
-            None,
-        )
-        .await;
-    index.wait_task(response.uid()).await;
-
-    index
-        .search(json!({ "facets": ["dog"] }), |response, code| {
-            meili_snap::snapshot!(code, @"200 OK");
-            meili_snap::snapshot!(meili_snap::json_string!(response["facetDistribution"]), @r###"
-            {
-              "dog": {
-                "bouvier bernois": 1
-              }
-            }
-            "###);
-        })
-        .await;
-}

crates/meilisearch/tests/search/multi.rs

@@ -5,8 +5,6 @@ use crate::common::Server;
 use crate::json;
 use crate::search::{SCORE_DOCUMENTS, VECTOR_DOCUMENTS};
 
-mod proxy;
-
 #[actix_rt::test]
 async fn search_empty_list() {
     let server = Server::new().await;

crates/meilisearch/tests/tasks/errors.rs

@@ -95,36 +95,36 @@ async fn task_bad_types() {
 
     let (response, code) = server.tasks_filter("types=doggo").await;
     snapshot!(code, @"400 Bad Request");
-    snapshot!(json_string!(response), @r#"
+    snapshot!(json_string!(response), @r###"
     {
-      "message": "Invalid value in parameter `types`: `doggo` is not a valid task type. Available types are `documentAdditionOrUpdate`, `documentEdition`, `documentDeletion`, `settingsUpdate`, `indexCreation`, `indexDeletion`, `indexUpdate`, `indexSwap`, `taskCancelation`, `taskDeletion`, `dumpCreation`, `snapshotCreation`, `upgradeDatabase`.",
+      "message": "Invalid value in parameter `types`: `doggo` is not a valid task type. Available types are `documentAdditionOrUpdate`, `documentEdition`, `documentDeletion`, `settingsUpdate`, `indexCreation`, `indexDeletion`, `indexUpdate`, `indexSwap`, `taskCancelation`, `taskDeletion`, `dumpCreation`, `snapshotCreation`.",
       "code": "invalid_task_types",
       "type": "invalid_request",
       "link": "https://docs.meilisearch.com/errors#invalid_task_types"
     }
-    "#);
+    "###);
 
     let (response, code) = server.cancel_tasks("types=doggo").await;
     snapshot!(code, @"400 Bad Request");
-    snapshot!(json_string!(response), @r#"
+    snapshot!(json_string!(response), @r###"
     {
-      "message": "Invalid value in parameter `types`: `doggo` is not a valid task type. Available types are `documentAdditionOrUpdate`, `documentEdition`, `documentDeletion`, `settingsUpdate`, `indexCreation`, `indexDeletion`, `indexUpdate`, `indexSwap`, `taskCancelation`, `taskDeletion`, `dumpCreation`, `snapshotCreation`, `upgradeDatabase`.",
+      "message": "Invalid value in parameter `types`: `doggo` is not a valid task type. Available types are `documentAdditionOrUpdate`, `documentEdition`, `documentDeletion`, `settingsUpdate`, `indexCreation`, `indexDeletion`, `indexUpdate`, `indexSwap`, `taskCancelation`, `taskDeletion`, `dumpCreation`, `snapshotCreation`.",
       "code": "invalid_task_types",
       "type": "invalid_request",
       "link": "https://docs.meilisearch.com/errors#invalid_task_types"
     }
-    "#);
+    "###);
 
     let (response, code) = server.delete_tasks("types=doggo").await;
     snapshot!(code, @"400 Bad Request");
-    snapshot!(json_string!(response), @r#"
+    snapshot!(json_string!(response), @r###"
     {
-      "message": "Invalid value in parameter `types`: `doggo` is not a valid task type. Available types are `documentAdditionOrUpdate`, `documentEdition`, `documentDeletion`, `settingsUpdate`, `indexCreation`, `indexDeletion`, `indexUpdate`, `indexSwap`, `taskCancelation`, `taskDeletion`, `dumpCreation`, `snapshotCreation`, `upgradeDatabase`.",
+      "message": "Invalid value in parameter `types`: `doggo` is not a valid task type. Available types are `documentAdditionOrUpdate`, `documentEdition`, `documentDeletion`, `settingsUpdate`, `indexCreation`, `indexDeletion`, `indexUpdate`, `indexSwap`, `taskCancelation`, `taskDeletion`, `dumpCreation`, `snapshotCreation`.",
       "code": "invalid_task_types",
       "type": "invalid_request",
       "link": "https://docs.meilisearch.com/errors#invalid_task_types"
     }
-    "#);
+    "###);
 }
 
 #[actix_rt::test]

crates/meilisearch/tests/upgrade/mod.rs

@@ -1,87 +0,0 @@
-mod v1_12;
-
-use std::path::Path;
-use std::{fs, io};
-
-use meili_snap::snapshot;
-use meilisearch::Opt;
-
-use crate::common::{default_settings, Server};
-
-fn copy_dir_all(src: impl AsRef<Path>, dst: impl AsRef<Path>) -> io::Result<()> {
-    fs::create_dir_all(&dst)?;
-    for entry in fs::read_dir(src)? {
-        let entry = entry?;
-        let ty = entry.file_type()?;
-        if ty.is_dir() {
-            copy_dir_all(entry.path(), dst.as_ref().join(entry.file_name()))?;
-        } else {
-            fs::copy(entry.path(), dst.as_ref().join(entry.file_name()))?;
-        }
-    }
-    Ok(())
-}
-
-#[actix_rt::test]
-async fn malformed_version_file() {
-    let temp = tempfile::tempdir().unwrap();
-    let default_settings = default_settings(temp.path());
-    let db_path = default_settings.db_path.clone();
-    std::fs::create_dir_all(&db_path).unwrap();
-    std::fs::write(db_path.join("VERSION"), "kefir").unwrap();
-    let options = Opt { experimental_dumpless_upgrade: true, ..default_settings };
-    let err = Server::new_with_options(options).await.map(|_| ()).unwrap_err();
-    snapshot!(err, @"Version file is corrupted and thus Meilisearch is unable to determine the version of the database. The version contains 1 parts instead of 3 (major, minor and patch)");
-}
-
-#[actix_rt::test]
-async fn version_too_old() {
-    let temp = tempfile::tempdir().unwrap();
-    let default_settings = default_settings(temp.path());
-    let db_path = default_settings.db_path.clone();
-    std::fs::create_dir_all(&db_path).unwrap();
-    std::fs::write(db_path.join("VERSION"), "1.11.9999").unwrap();
-    let options = Opt { experimental_dumpless_upgrade: true, ..default_settings };
-    let err = Server::new_with_options(options).await.map(|_| ()).unwrap_err();
-    snapshot!(err, @"Database version 1.11.9999 is too old for the experimental dumpless upgrade feature. Please generate a dump using the v1.11.9999 and import it in the v1.13.0");
-}
-
-#[actix_rt::test]
-async fn version_requires_downgrade() {
-    let temp = tempfile::tempdir().unwrap();
-    let default_settings = default_settings(temp.path());
-    let db_path = default_settings.db_path.clone();
-    std::fs::create_dir_all(&db_path).unwrap();
-    let major = meilisearch_types::versioning::VERSION_MAJOR;
-    let minor = meilisearch_types::versioning::VERSION_MINOR;
-    let patch = meilisearch_types::versioning::VERSION_PATCH.parse::<u32>().unwrap() + 1;
-    std::fs::write(db_path.join("VERSION"), format!("{major}.{minor}.{patch}")).unwrap();
-    let options = Opt { experimental_dumpless_upgrade: true, ..default_settings };
-    let err = Server::new_with_options(options).await.map(|_| ()).unwrap_err();
-    snapshot!(err, @"Database version 1.13.1 is higher than the Meilisearch version 1.13.0. Downgrade is not supported");
-}
-
-#[actix_rt::test]
-async fn upgrade_to_the_current_version() {
-    let temp = tempfile::tempdir().unwrap();
-    let server = Server::new_with_options(default_settings(temp.path())).await.unwrap();
-    drop(server);
-
-    let server = Server::new_with_options(Opt {
-        experimental_dumpless_upgrade: true,
-        ..default_settings(temp.path())
-    })
-    .await
-    .unwrap();
-    // The upgrade tasks should NOT be spawned => task queue is empty
-    let (tasks, _status) = server.tasks().await;
-    snapshot!(tasks, @r#"
-    {
-      "results": [],
-      "total": 0,
-      "limit": 20,
-      "from": null,
-      "next": null
-    }
-    "#);
-}

crates/meilisearch/tests/upgrade/v1_12/mod.rs

@@ -1 +0,0 @@
-mod v1_12_0;

crates/meilisearch/tests/upgrade/v1_12/snapshots/v1_12_0.rs/check_the_index_features/kefir_settings.snap

@@ -1,78 +0,0 @@
----
-source: crates/meilisearch/tests/upgrade/v1_12/v1_12_0.rs
-snapshot_kind: text
----
-{
-  "displayedAttributes": [
-    "*"
-  ],
-  "searchableAttributes": [
-    "*"
-  ],
-  "filterableAttributes": [
-    "age",
-    "surname"
-  ],
-  "sortableAttributes": [
-    "age"
-  ],
-  "rankingRules": [
-    "words",
-    "typo",
-    "proximity",
-    "attribute",
-    "sort",
-    "exactness"
-  ],
-  "stopWords": [
-    "le",
-    "un"
-  ],
-  "nonSeparatorTokens": [],
-  "separatorTokens": [],
-  "dictionary": [],
-  "synonyms": {
-    "boubou": [
-      "kefir"
-    ]
-  },
-  "distinctAttribute": null,
-  "proximityPrecision": "byWord",
-  "typoTolerance": {
-    "enabled": true,
-    "minWordSizeForTypos": {
-      "oneTypo": 4,
-      "twoTypos": 9
-    },
-    "disableOnWords": [
-      "kefir"
-    ],
-    "disableOnAttributes": [
-      "surname"
-    ]
-  },
-  "faceting": {
-    "maxValuesPerFacet": 99,
-    "sortFacetValuesBy": {
-      "*": "alpha",
-      "age": "count"
-    }
-  },
-  "pagination": {
-    "maxTotalHits": 15
-  },
-  "embedders": {},
-  "searchCutoffMs": 8000,
-  "localizedAttributes": [
-    {
-      "attributePatterns": [
-        "description"
-      ],
-      "locales": [
-        "fra"
-      ]
-    }
-  ],
-  "facetSearch": true,
-  "prefixSearch": "indexingTime"
-}

crates/meilisearch/tests/upgrade/v1_12/snapshots/v1_12_0.rs/check_the_index_features/search_with_sort_and_filter.snap

@@ -1,25 +0,0 @@
----
-source: crates/meilisearch/tests/upgrade/v1_12/v1_12_0.rs
-snapshot_kind: text
----
-{
-  "hits": [
-    {
-      "id": 1,
-      "name": "kefir",
-      "surname": [
-        "kef",
-        "kefkef",
-        "kefirounet",
-        "boubou"
-      ],
-      "age": 1.4,
-      "description": "kefir est un petit chien blanc très mignon"
-    }
-  ],
-  "query": "",
-  "processingTimeMs": "[duration]",
-  "limit": 20,
-  "offset": 0,
-  "estimatedTotalHits": 1
-}

crates/meilisearch/tests/upgrade/v1_12/snapshots/v1_12_0.rs/check_the_index_scheduler/batch_by_batchUids_after_deletion.snap

@@ -1,11 +0,0 @@
----
-source: crates/meilisearch/tests/upgrade/v1_12/v1_12_0.rs
-snapshot_kind: text
----
-{
-  "results": [],
-  "total": 0,
-  "limit": 20,
-  "from": null,
-  "next": null
-}

crates/meilisearch/tests/upgrade/v1_12/snapshots/v1_12_0.rs/check_the_index_scheduler/batches_filter_afterEnqueuedAt_equal_2025-01-16T16_47_41.snap

@@ -1,505 +0,0 @@
----
-source: crates/meilisearch/tests/upgrade/v1_12/v1_12_0.rs
----
-{
-  "results": [
-    {
-      "uid": 24,
-      "progress": null,
-      "details": {
-        "upgradeFrom": "v1.12.0",
-        "upgradeTo": "v1.13.0"
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "upgradeDatabase": 1
-        },
-        "indexUids": {}
-      },
-      "duration": "[duration]",
-      "startedAt": "[date]",
-      "finishedAt": "[date]"
-    },
-    {
-      "uid": 23,
-      "progress": null,
-      "details": {
-        "deletedDocuments": 0
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "indexDeletion": 1
-        },
-        "indexUids": {
-          "mieli": 1
-        }
-      },
-      "duration": "PT0.004146631S",
-      "startedAt": "2025-01-23T11:38:57.012591321Z",
-      "finishedAt": "2025-01-23T11:38:57.016737952Z"
-    },
-    {
-      "uid": 22,
-      "progress": null,
-      "details": {
-        "receivedDocuments": 1,
-        "indexedDocuments": 1
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "documentAdditionOrUpdate": 1
-        },
-        "indexUids": {
-          "kefir": 1
-        }
-      },
-      "duration": "PT0.102738497S",
-      "startedAt": "2025-01-23T11:36:22.551906856Z",
-      "finishedAt": "2025-01-23T11:36:22.654645353Z"
-    },
-    {
-      "uid": 21,
-      "progress": null,
-      "details": {
-        "receivedDocuments": 1,
-        "indexedDocuments": 0
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "failed": 1
-        },
-        "types": {
-          "documentAdditionOrUpdate": 1
-        },
-        "indexUids": {
-          "kefir": 1
-        }
-      },
-      "duration": "PT0.005108474S",
-      "startedAt": "2025-01-23T11:36:04.132670526Z",
-      "finishedAt": "2025-01-23T11:36:04.137779Z"
-    },
-    {
-      "uid": 20,
-      "progress": null,
-      "details": {
-        "receivedDocuments": 1,
-        "indexedDocuments": 0
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "failed": 1
-        },
-        "types": {
-          "documentAdditionOrUpdate": 1
-        },
-        "indexUids": {
-          "mieli": 1
-        }
-      },
-      "duration": "PT0.027954894S",
-      "startedAt": "2025-01-23T11:35:53.631082795Z",
-      "finishedAt": "2025-01-23T11:35:53.659037689Z"
-    },
-    {
-      "uid": 19,
-      "progress": null,
-      "details": {
-        "deletedDocuments": 19546
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "indexDeletion": 1
-        },
-        "indexUids": {
-          "mieli": 1
-        }
-      },
-      "duration": "PT0.006903297S",
-      "startedAt": "2025-01-20T11:50:52.874106134Z",
-      "finishedAt": "2025-01-20T11:50:52.881009431Z"
-    },
-    {
-      "uid": 18,
-      "progress": null,
-      "details": {
-        "receivedDocuments": 19547,
-        "indexedDocuments": 0,
-        "matchedTasks": 1,
-        "canceledTasks": 1,
-        "originalFilter": "?statuses=processing%2Cenqueued"
-      },
-      "stats": {
-        "totalNbTasks": 2,
-        "status": {
-          "succeeded": 1,
-          "canceled": 1
-        },
-        "types": {
-          "documentAdditionOrUpdate": 1,
-          "taskCancelation": 1
-        },
-        "indexUids": {
-          "mieli": 1
-        }
-      },
-      "duration": "PT0.000481257S",
-      "startedAt": "2025-01-20T11:48:04.92820416Z",
-      "finishedAt": "2025-01-20T11:48:04.928685417Z"
-    },
-    {
-      "uid": 17,
-      "progress": null,
-      "details": {
-        "matchedTasks": 0,
-        "canceledTasks": 0,
-        "originalFilter": "?statuses=processing%2Cenqueued"
-      },
-      "stats": {
-        "totalNbTasks": 1,
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crates/meilisearch/tests/upgrade/v1_12/snapshots/v1_12_0.rs/check_the_index_scheduler/batches_filter_afterFinishedAt_equal_2025-01-16T16_47_41.snap

@@ -1,505 +0,0 @@
----
-source: crates/meilisearch/tests/upgrade/v1_12/v1_12_0.rs
----
-{
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-  "next": 4
-}

crates/meilisearch/tests/upgrade/v1_12/snapshots/v1_12_0.rs/check_the_index_scheduler/batches_filter_afterStartedAt_equal_2025-01-16T16_47_41.snap

@@ -1,505 +0,0 @@
----
-source: crates/meilisearch/tests/upgrade/v1_12/v1_12_0.rs
----
-{
-  "results": [
-    {
-      "uid": 24,
-      "progress": null,
-      "details": {
-        "upgradeFrom": "v1.12.0",
-        "upgradeTo": "v1.13.0"
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "upgradeDatabase": 1
-        },
-        "indexUids": {}
-      },
-      "duration": "[duration]",
-      "startedAt": "[date]",
-      "finishedAt": "[date]"
-    },
-    {
-      "uid": 23,
-      "progress": null,
-      "details": {
-        "deletedDocuments": 0
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "indexDeletion": 1
-        },
-        "indexUids": {
-          "mieli": 1
-        }
-      },
-      "duration": "PT0.004146631S",
-      "startedAt": "2025-01-23T11:38:57.012591321Z",
-      "finishedAt": "2025-01-23T11:38:57.016737952Z"
-    },
-    {
-      "uid": 22,
-      "progress": null,
-      "details": {
-        "receivedDocuments": 1,
-        "indexedDocuments": 1
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "documentAdditionOrUpdate": 1
-        },
-        "indexUids": {
-          "kefir": 1
-        }
-      },
-      "duration": "PT0.102738497S",
-      "startedAt": "2025-01-23T11:36:22.551906856Z",
-      "finishedAt": "2025-01-23T11:36:22.654645353Z"
-    },
-    {
-      "uid": 21,
-      "progress": null,
-      "details": {
-        "receivedDocuments": 1,
-        "indexedDocuments": 0
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "failed": 1
-        },
-        "types": {
-          "documentAdditionOrUpdate": 1
-        },
-        "indexUids": {
-          "kefir": 1
-        }
-      },
-      "duration": "PT0.005108474S",
-      "startedAt": "2025-01-23T11:36:04.132670526Z",
-      "finishedAt": "2025-01-23T11:36:04.137779Z"
-    },
-    {
-      "uid": 20,
-      "progress": null,
-      "details": {
-        "receivedDocuments": 1,
-        "indexedDocuments": 0
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "failed": 1
-        },
-        "types": {
-          "documentAdditionOrUpdate": 1
-        },
-        "indexUids": {
-          "mieli": 1
-        }
-      },
-      "duration": "PT0.027954894S",
-      "startedAt": "2025-01-23T11:35:53.631082795Z",
-      "finishedAt": "2025-01-23T11:35:53.659037689Z"
-    },
-    {
-      "uid": 19,
-      "progress": null,
-      "details": {
-        "deletedDocuments": 19546
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "indexDeletion": 1
-        },
-        "indexUids": {
-          "mieli": 1
-        }
-      },
-      "duration": "PT0.006903297S",
-      "startedAt": "2025-01-20T11:50:52.874106134Z",
-      "finishedAt": "2025-01-20T11:50:52.881009431Z"
-    },
-    {
-      "uid": 18,
-      "progress": null,
-      "details": {
-        "receivedDocuments": 19547,
-        "indexedDocuments": 0,
-        "matchedTasks": 1,
-        "canceledTasks": 1,
-        "originalFilter": "?statuses=processing%2Cenqueued"
-      },
-      "stats": {
-        "totalNbTasks": 2,
-        "status": {
-          "succeeded": 1,
-          "canceled": 1
-        },
-        "types": {
-          "documentAdditionOrUpdate": 1,
-          "taskCancelation": 1
-        },
-        "indexUids": {
-          "mieli": 1
-        }
-      },
-      "duration": "PT0.000481257S",
-      "startedAt": "2025-01-20T11:48:04.92820416Z",
-      "finishedAt": "2025-01-20T11:48:04.928685417Z"
-    },
-    {
-      "uid": 17,
-      "progress": null,
-      "details": {
-        "matchedTasks": 0,
-        "canceledTasks": 0,
-        "originalFilter": "?statuses=processing%2Cenqueued"
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "taskCancelation": 1
-        },
-        "indexUids": {}
-      },
-      "duration": "PT0.000407005S",
-      "startedAt": "2025-01-20T11:47:53.509403957Z",
-      "finishedAt": "2025-01-20T11:47:53.509810962Z"
-    },
-    {
-      "uid": 16,
-      "progress": null,
-      "details": {
-        "matchedTasks": 0,
-        "canceledTasks": 0,
-        "originalFilter": "?statuses=processing%2Cenqueued"
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "taskCancelation": 1
-        },
-        "indexUids": {}
-      },
-      "duration": "PT0.000403716S",
-      "startedAt": "2025-01-20T11:47:48.430653005Z",
-      "finishedAt": "2025-01-20T11:47:48.431056721Z"
-    },
-    {
-      "uid": 15,
-      "progress": null,
-      "details": {
-        "matchedTasks": 0,
-        "canceledTasks": 0,
-        "originalFilter": "?statuses=processing"
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "taskCancelation": 1
-        },
-        "indexUids": {}
-      },
-      "duration": "PT0.000417016S",
-      "startedAt": "2025-01-20T11:47:42.429678617Z",
-      "finishedAt": "2025-01-20T11:47:42.430095633Z"
-    },
-    {
-      "uid": 14,
-      "progress": null,
-      "details": {
-        "receivedDocuments": 19547,
-        "indexedDocuments": 19546
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "documentAdditionOrUpdate": 1
-        },
-        "indexUids": {
-          "mieli": 1
-        }
-      },
-      "duration": "PT12.086284842S",
-      "startedAt": "2025-01-20T11:47:03.092181576Z",
-      "finishedAt": "2025-01-20T11:47:15.178466418Z"
-    },
-    {
-      "uid": 13,
-      "progress": null,
-      "details": {
-        "localizedAttributes": [
-          {
-            "attributePatterns": [
-              "description"
-            ],
-            "locales": [
-              "fr"
-            ]
-          }
-        ]
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "settingsUpdate": 1
-        },
-        "indexUids": {
-          "kefir": 1
-        }
-      },
-      "duration": "PT0.011506614S",
-      "startedAt": "2025-01-16T17:18:43.29334923Z",
-      "finishedAt": "2025-01-16T17:18:43.304855844Z"
-    },
-    {
-      "uid": 12,
-      "progress": null,
-      "details": {
-        "faceting": {
-          "sortFacetValuesBy": {
-            "*": "alpha",
-            "age": "count"
-          }
-        }
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "settingsUpdate": 1
-        },
-        "indexUids": {
-          "kefir": 1
-        }
-      },
-      "duration": "PT0.007640163S",
-      "startedAt": "2025-01-16T17:02:52.539749853Z",
-      "finishedAt": "2025-01-16T17:02:52.547390016Z"
-    },
-    {
-      "uid": 11,
-      "progress": null,
-      "details": {
-        "searchCutoffMs": 8000
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "settingsUpdate": 1
-        },
-        "indexUids": {
-          "kefir": 1
-        }
-      },
-      "duration": "PT0.007307840S",
-      "startedAt": "2025-01-16T17:01:14.112756687Z",
-      "finishedAt": "2025-01-16T17:01:14.120064527Z"
-    },
-    {
-      "uid": 10,
-      "progress": null,
-      "details": {
-        "faceting": {
-          "maxValuesPerFacet": 99
-        },
-        "pagination": {
-          "maxTotalHits": 15
-        }
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "settingsUpdate": 1
-        },
-        "indexUids": {
-          "kefir": 1
-        }
-      },
-      "duration": "PT0.007391353S",
-      "startedAt": "2025-01-16T17:00:29.201180268Z",
-      "finishedAt": "2025-01-16T17:00:29.208571621Z"
-    },
-    {
-      "uid": 9,
-      "progress": null,
-      "details": {
-        "faceting": {
-          "maxValuesPerFacet": 100
-        },
-        "pagination": {
-          "maxTotalHits": 1000
-        }
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "settingsUpdate": 1
-        },
-        "indexUids": {
-          "kefir": 1
-        }
-      },
-      "duration": "PT0.007445825S",
-      "startedAt": "2025-01-16T17:00:15.77629445Z",
-      "finishedAt": "2025-01-16T17:00:15.783740275Z"
-    },
-    {
-      "uid": 8,
-      "progress": null,
-      "details": {
-        "typoTolerance": {
-          "minWordSizeForTypos": {
-            "oneTypo": 4
-          },
-          "disableOnWords": [
-            "kefir"
-          ],
-          "disableOnAttributes": [
-            "surname"
-          ]
-        }
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "settingsUpdate": 1
-        },
-        "indexUids": {
-          "kefir": 1
-        }
-      },
-      "duration": "PT0.012020083S",
-      "startedAt": "2025-01-16T16:59:42.744086671Z",
-      "finishedAt": "2025-01-16T16:59:42.756106754Z"
-    },
-    {
-      "uid": 7,
-      "progress": null,
-      "details": {
-        "typoTolerance": {
-          "minWordSizeForTypos": {
-            "oneTypo": 4
-          }
-        }
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "settingsUpdate": 1
-        },
-        "indexUids": {
-          "kefir": 1
-        }
-      },
-      "duration": "PT0.007440092S",
-      "startedAt": "2025-01-16T16:58:41.2155771Z",
-      "finishedAt": "2025-01-16T16:58:41.223017192Z"
-    },
-    {
-      "uid": 6,
-      "progress": null,
-      "details": {
-        "synonyms": {
-          "boubou": [
-            "kefir"
-          ]
-        }
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "settingsUpdate": 1
-        },
-        "indexUids": {
-          "kefir": 1
-        }
-      },
-      "duration": "PT0.007565161S",
-      "startedAt": "2025-01-16T16:54:51.940332781Z",
-      "finishedAt": "2025-01-16T16:54:51.947897942Z"
-    },
-    {
-      "uid": 5,
-      "progress": null,
-      "details": {
-        "stopWords": [
-          "le",
-          "un"
-        ]
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "settingsUpdate": 1
-        },
-        "indexUids": {
-          "kefir": 1
-        }
-      },
-      "duration": "PT0.016307263S",
-      "startedAt": "2025-01-16T16:53:19.913351957Z",
-      "finishedAt": "2025-01-16T16:53:19.92965922Z"
-    }
-  ],
-  "total": 23,
-  "limit": 20,
-  "from": 24,
-  "next": 4
-}

crates/meilisearch/tests/upgrade/v1_12/snapshots/v1_12_0.rs/check_the_index_scheduler/batches_filter_batchUids_equal_10.snap

@@ -1,39 +0,0 @@
----
-source: crates/meilisearch/tests/upgrade/v1_12/v1_12_0.rs
-snapshot_kind: text
----
-{
-  "results": [
-    {
-      "uid": 10,
-      "progress": null,
-      "details": {
-        "faceting": {
-          "maxValuesPerFacet": 99
-        },
-        "pagination": {
-          "maxTotalHits": 15
-        }
-      },
-      "stats": {
-        "totalNbTasks": 1,
-        "status": {
-          "succeeded": 1
-        },
-        "types": {
-          "settingsUpdate": 1
-        },
-        "indexUids": {
-          "kefir": 1
-        }
-      },
-      "duration": "[duration]",
-      "startedAt": "[date]",
-      "finishedAt": "[date]"
-    }
-  ],
-  "total": 1,
-  "limit": 20,
-  "from": 10,
-  "next": null
-}