with binary quantization

4779: CI: Add workaround to keep using Ubuntu 18.04 r=Kerollmops a=dureuill

Uses `ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true`

Refs: https://github.com/actions/checkout/issues/1590#issuecomment-2207052044

Co-authored-by: Louis Dureuil <louis@meilisearch.com>

.github/ISSUE_TEMPLATE/sprint_issue.md

@@ -2,14 +2,13 @@
 name: New sprint issue
 about: ⚠️ Should only be used by the engine team ⚠️
 title: ''
-labels: ''
+labels: 'missing usage in PRD, impacts docs'
 assignees: ''
 
 ---
 
 Related product team resources: [PRD]() (_internal only_)
 Related product discussion:
-Related spec: WIP
 
 ## Motivation
 
@@ -21,11 +20,7 @@ Related spec: WIP
 
 ## TODO
 
-<!---Feel free to adapt this list with more technical/product steps-->
-
-- [ ] Release a prototype
-- [ ] If prototype validated, merge changes into `main`
-- [ ] Update the spec
+<!---If necessary, create a list with technical/product steps-->
 
 ### Reminders when modifying the Setting API
 

.github/workflows/bench-manual.yml

@@ -18,11 +18,9 @@ jobs:
         timeout-minutes: 180 # 3h
         steps:
             - uses: actions/checkout@v3
-            - uses: actions-rs/toolchain@v1
+            - uses: helix-editor/rust-toolchain@v1
               with:
                 profile: minimal
-                toolchain: stable
-                override: true
 
             - name: Run benchmarks - workload ${WORKLOAD_NAME} - branch ${{ github.ref }} - commit ${{ github.sha }}
               run: |

.github/workflows/bench-pr.yml

@@ -35,12 +35,17 @@ jobs:
             fetch-depth: 0 # fetch full history to be able to get main commit sha
             ref: ${{ steps.comment-branch.outputs.head_ref }}
 
-        - uses: actions-rs/toolchain@v1
+        - uses: helix-editor/rust-toolchain@v1
           with:
             profile: minimal
-            toolchain: stable
-            override: true
 
         - name: Run benchmarks on PR ${{ github.event.issue.id }}
           run: |
-            cargo xtask bench --api-key "${{ secrets.BENCHMARK_API_KEY }}" --dashboard-url "${{ vars.BENCHMARK_DASHBOARD_URL }}" --reason "[Comment](${{ github.event.comment.url }}) on [#${{github.event.issue.id}}](${{ github.event.issue.url }})" -- ${{ steps.command.outputs.command-arguments }}
+            cargo xtask bench --api-key "${{ secrets.BENCHMARK_API_KEY }}" \
+               --dashboard-url "${{ vars.BENCHMARK_DASHBOARD_URL }}" \
+               --reason "[Comment](${{ github.event.comment.html_url }}) on [#${{ github.event.issue.number }}](${{ github.event.issue.html_url }})" \
+               -- ${{ steps.command.outputs.command-arguments }} > benchlinks.txt
+
+        - name: Send comment in PR
+          run: |
+            gh pr comment ${{github.event.issue.number}} --body-file benchlinks.txt

.github/workflows/bench-push-indexing.yml

@@ -12,11 +12,9 @@ jobs:
         timeout-minutes: 180 # 3h
         steps:
           - uses: actions/checkout@v3
-          - uses: actions-rs/toolchain@v1
+          - uses: helix-editor/rust-toolchain@v1
             with:
               profile: minimal
-              toolchain: stable
-              override: true
 
           # Run benchmarks
           - name: Run benchmarks - Dataset ${BENCH_NAME} - Branch main - Commit ${{ github.sha }}

.github/workflows/benchmarks-manual.yml

@@ -18,11 +18,9 @@ jobs:
     timeout-minutes: 4320 # 72h
     steps:
       - uses: actions/checkout@v3
-      - uses: actions-rs/toolchain@v1
+      - uses: helix-editor/rust-toolchain@v1
         with:
           profile: minimal
-          toolchain: stable
-          override: true
 
       # Set variables
       - name: Set current branch name

.github/workflows/benchmarks-pr.yml

@@ -13,11 +13,9 @@ jobs:
     runs-on: benchmarks
     timeout-minutes: 4320 # 72h
     steps:
-      - uses: actions-rs/toolchain@v1
+      - uses: helix-editor/rust-toolchain@v1
         with:
           profile: minimal
-          toolchain: stable
-          override: true
 
       - name: Check for Command
         id: command

.github/workflows/benchmarks-push-indexing.yml

@@ -16,11 +16,9 @@ jobs:
     timeout-minutes: 4320 # 72h
     steps:
       - uses: actions/checkout@v3
-      - uses: actions-rs/toolchain@v1
+      - uses: helix-editor/rust-toolchain@v1
         with:
           profile: minimal
-          toolchain: stable
-          override: true
 
       # Set variables
       - name: Set current branch name

.github/workflows/benchmarks-push-search-geo.yml

@@ -15,11 +15,9 @@ jobs:
     runs-on: benchmarks
     steps:
       - uses: actions/checkout@v3
-      - uses: actions-rs/toolchain@v1
+      - uses: helix-editor/rust-toolchain@v1
         with:
           profile: minimal
-          toolchain: stable
-          override: true
 
       # Set variables
       - name: Set current branch name

.github/workflows/benchmarks-push-search-songs.yml

@@ -15,11 +15,9 @@ jobs:
     runs-on: benchmarks
     steps:
       - uses: actions/checkout@v3
-      - uses: actions-rs/toolchain@v1
+      - uses: helix-editor/rust-toolchain@v1
         with:
           profile: minimal
-          toolchain: stable
-          override: true
 
       # Set variables
       - name: Set current branch name

.github/workflows/benchmarks-push-search-wiki.yml

@@ -15,11 +15,9 @@ jobs:
     runs-on: benchmarks
     steps:
       - uses: actions/checkout@v3
-      - uses: actions-rs/toolchain@v1
+      - uses: helix-editor/rust-toolchain@v1
         with:
           profile: minimal
-          toolchain: stable
-          override: true
 
       # Set variables
       - name: Set current branch name

.github/workflows/flaky-tests.yml

@@ -1,4 +1,6 @@
 name: Look for flaky tests
+env:
+  ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
 on:
   workflow_dispatch:
   schedule:
@@ -16,10 +18,7 @@ jobs:
       run: |
         apt-get update && apt-get install -y curl
         apt-get install build-essential -y
-    - uses: actions-rs/toolchain@v1
-      with:
-        toolchain: stable
-        override: true
+    - uses: helix-editor/rust-toolchain@v1
     - name: Install cargo-flaky
       run: cargo install cargo-flaky
     - name: Run cargo flaky in the dumps

.github/workflows/fuzzer-indexing.yml

@@ -1,5 +1,6 @@
 name: Run the indexing fuzzer
-
+env:
+  ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
 on:
   push:
     branches:
@@ -12,11 +13,9 @@ jobs:
     timeout-minutes: 4320 # 72h
     steps:
       - uses: actions/checkout@v3
-      - uses: actions-rs/toolchain@v1
+      - uses: helix-editor/rust-toolchain@v1
         with:
           profile: minimal
-          toolchain: stable
-          override: true
 
       # Run benchmarks
       - name: Run the fuzzer

.github/workflows/milestone-workflow.yml

@@ -110,6 +110,44 @@ jobs:
             --milestone $MILESTONE_VERSION \
             --assignee curquiza
 
+  create-update-version-issue:
+    needs: get-release-version
+    # Create the update-version issue even if the release is a patch release
+    if: github.event.action == 'created'
+    runs-on: ubuntu-latest
+    env:
+      ISSUE_TEMPLATE: issue-template.md
+    steps:
+      - uses: actions/checkout@v3
+      - name: Download the issue template
+        run: curl -s https://raw.githubusercontent.com/meilisearch/engine-team/main/issue-templates/update-version-issue.md > $ISSUE_TEMPLATE
+      - name: Create the issue
+        run: |
+          gh issue create \
+            --title "Update version in Cargo.toml for $MILESTONE_VERSION" \
+            --label 'maintenance' \
+            --body-file $ISSUE_TEMPLATE \
+            --milestone $MILESTONE_VERSION
+
+  create-update-openapi-issue:
+    needs: get-release-version
+    # Create the openAPI issue if the release is not only a patch release
+    if: github.event.action == 'created' && needs.get-release-version.outputs.is-patch == 'false'
+    runs-on: ubuntu-latest
+    env:
+      ISSUE_TEMPLATE: issue-template.md
+    steps:
+      - uses: actions/checkout@v3
+      - name: Download the issue template
+        run: curl -s https://raw.githubusercontent.com/meilisearch/engine-team/main/issue-templates/update-openapi-issue.md > $ISSUE_TEMPLATE
+      - name: Create the issue
+        run: |
+          gh issue create \
+            --title "Update Open API file for $MILESTONE_VERSION" \
+            --label 'maintenance' \
+            --body-file $ISSUE_TEMPLATE \
+            --milestone $MILESTONE_VERSION
+
 # ----------------
 # MILESTONE CLOSED
 # ----------------

.github/workflows/publish-apt-brew-pkg.yml

@@ -15,6 +15,8 @@ jobs:
 
   debian:
     name: Publish debian packagge
+    env:
+      ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
     runs-on: ubuntu-latest
     needs: check-version
     container:
@@ -25,10 +27,7 @@ jobs:
       run: |
         apt-get update && apt-get install -y curl
         apt-get install build-essential -y
-    - uses: actions-rs/toolchain@v1
-      with:
-        toolchain: stable
-        override: true
+    - uses: helix-editor/rust-toolchain@v1
     - name: Install cargo-deb
       run: cargo install cargo-deb
     - uses: actions/checkout@v3

.github/workflows/publish-binaries.yml

@@ -35,6 +35,8 @@ jobs:
   publish-linux:
     name: Publish binary for Linux
     runs-on: ubuntu-latest
+    env:
+      ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
     needs: check-version
     container:
       # Use ubuntu-18.04 to compile with glibc 2.27
@@ -45,10 +47,7 @@ jobs:
       run: |
         apt-get update && apt-get install -y curl
         apt-get install build-essential -y
-    - uses: actions-rs/toolchain@v1
-      with:
-        toolchain: stable
-        override: true
+    - uses: helix-editor/rust-toolchain@v1
     - name: Build
       run: cargo build --release --locked
     # No need to upload binaries for dry run (cron)
@@ -78,10 +77,7 @@ jobs:
             asset_name: meilisearch-windows-amd64.exe
     steps:
     - uses: actions/checkout@v3
-    - uses: actions-rs/toolchain@v1
-      with:
-        toolchain: stable
-        override: true
+    - uses: helix-editor/rust-toolchain@v1
     - name: Build
       run: cargo build --release --locked
     # No need to upload binaries for dry run (cron)
@@ -107,12 +103,10 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v3
       - name: Installing Rust toolchain
-        uses: actions-rs/toolchain@v1
+        uses: helix-editor/rust-toolchain@v1
         with:
-          toolchain: stable
           profile: minimal
           target: ${{ matrix.target }}
-          override: true
       - name: Cargo build
         uses: actions-rs/cargo@v1
         with:
@@ -132,6 +126,8 @@ jobs:
     name: Publish binary for aarch64
     runs-on: ubuntu-latest
     needs: check-version
+    env:
+      ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
     container:
       # Use ubuntu-18.04 to compile with glibc 2.27
       image: ubuntu:18.04
@@ -154,12 +150,10 @@ jobs:
           add-apt-repository "deb [arch=$(dpkg --print-architecture)] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
           apt-get update -y && apt-get install -y docker-ce
       - name: Installing Rust toolchain
-        uses: actions-rs/toolchain@v1
+        uses: helix-editor/rust-toolchain@v1
         with:
-          toolchain: stable
           profile: minimal
           target: ${{ matrix.target }}
-          override: true
       - name: Configure target aarch64 GNU
         ## Environment variable is not passed using env:
         ## LD gold won't work with MUSL

.github/workflows/publish-docker-images.yml

@@ -80,10 +80,11 @@ jobs:
             type=ref,event=tag
             type=raw,value=nightly,enable=${{ github.event_name != 'push' }}
             type=semver,pattern=v{{major}}.{{minor}},enable=${{ steps.check-tag-format.outputs.stable == 'true' }}
+            type=semver,pattern=v{{major}},enable=${{ steps.check-tag-format.outputs.stable == 'true' }}
             type=raw,value=latest,enable=${{ steps.check-tag-format.outputs.stable == 'true' && steps.check-tag-format.outputs.latest == 'true' }}
 
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           push: true
           platforms: linux/amd64,linux/arm64

.github/workflows/test-suite.yml

@@ -21,6 +21,8 @@ jobs:
   test-linux:
     name: Tests on ubuntu-18.04
     runs-on: ubuntu-latest
+    env:
+      ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
     container:
       # Use ubuntu-18.04 to compile with glibc 2.27, which are the production expectations
       image: ubuntu:18.04
@@ -31,10 +33,7 @@ jobs:
           apt-get update && apt-get install -y curl
           apt-get install build-essential -y
       - name: Setup test with Rust stable
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          override: true
+        uses: helix-editor/rust-toolchain@v1
       - name: Cache dependencies
         uses: Swatinem/rust-cache@v2.7.1
       - name: Run cargo check without any default features
@@ -59,10 +58,7 @@ jobs:
       - uses: actions/checkout@v3
       - name: Cache dependencies
         uses: Swatinem/rust-cache@v2.7.1
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          override: true
+      - uses: helix-editor/rust-toolchain@v1
       - name: Run cargo check without any default features
         uses: actions-rs/cargo@v1
         with:
@@ -77,6 +73,8 @@ jobs:
   test-all-features:
     name: Tests almost all features
     runs-on: ubuntu-latest
+    env:
+      ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
     container:
       # Use ubuntu-18.04 to compile with glibc 2.27, which are the production expectations
       image: ubuntu:18.04
@@ -87,10 +85,7 @@ jobs:
         run: |
           apt-get update
           apt-get install --assume-yes build-essential curl
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          override: true
+      - uses: helix-editor/rust-toolchain@v1
       - name: Run cargo build with almost all features
         run: |
           cargo build --workspace --locked --release --features "$(cargo xtask list-features --exclude-feature cuda)"
@@ -100,6 +95,8 @@ jobs:
 
   test-disabled-tokenization:
     name: Test disabled tokenization
+    env:
+      ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
     runs-on: ubuntu-latest
     container:
       image: ubuntu:18.04
@@ -110,13 +107,10 @@ jobs:
         run: |
           apt-get update
           apt-get install --assume-yes build-essential curl
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          override: true
+      - uses: helix-editor/rust-toolchain@v1
       - name: Run cargo tree without default features and check lindera is not present
         run: |
-          if cargo tree -f '{p} {f}' -e normal --no-default-features | grep -vqz lindera; then
+          if cargo tree -f '{p} {f}' -e normal --no-default-features | grep -qz lindera; then
             echo "lindera has been found in the sources and it shouldn't"
             exit 1
           fi
@@ -127,6 +121,8 @@ jobs:
   # We run tests in debug also, to make sure that the debug_assertions are hit
   test-debug:
     name: Run tests in debug
+    env:
+      ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
     runs-on: ubuntu-latest
     container:
       # Use ubuntu-18.04 to compile with glibc 2.27, which are the production expectations
@@ -137,10 +133,7 @@ jobs:
         run: |
           apt-get update && apt-get install -y curl
           apt-get install build-essential -y
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          override: true
+      - uses: helix-editor/rust-toolchain@v1
       - name: Cache dependencies
         uses: Swatinem/rust-cache@v2.7.1
       - name: Run tests in debug
@@ -154,11 +147,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: actions-rs/toolchain@v1
+      - uses: helix-editor/rust-toolchain@v1
         with:
           profile: minimal
-          toolchain: 1.75.0
-          override: true
           components: clippy
       - name: Cache dependencies
         uses: Swatinem/rust-cache@v2.7.1
@@ -173,10 +164,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: actions-rs/toolchain@v1
+      - uses: helix-editor/rust-toolchain@v1
         with:
           profile: minimal
-          toolchain: nightly
+          toolchain: nightly-2024-06-25
           override: true
           components: rustfmt
       - name: Cache dependencies

.github/workflows/update-cargo-toml-version.yml

@@ -18,11 +18,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: actions-rs/toolchain@v1
+      - uses: helix-editor/rust-toolchain@v1
         with:
           profile: minimal
-          toolchain: stable
-          override: true
       - name: Install sd
         run: cargo install sd
       - name: Update Cargo.toml file

BENCHMARKS.md

@@ -0,0 +1,371 @@
+# Benchmarks
+
+Currently this repository hosts two kinds of benchmarks:
+
+1. The older "milli benchmarks", that use [criterion](https://github.com/bheisler/criterion.rs) and live in the "benchmarks" directory.
+2. The newer "bench" that are workload-based and so split between the [`workloads`](./workloads/) directory and the [`xtask::bench`](./xtask/src/bench/) module.
+
+This document describes the newer "bench" benchmarks. For more details on the "milli benchmarks", see [benchmarks/README.md](./benchmarks/README.md).
+
+## Design philosophy for the benchmarks
+
+The newer "bench" benchmarks are **integration** benchmarks, in the sense that they spawn an actual Meilisearch server and measure its performance end-to-end, including HTTP request overhead.
+
+Since this is prone to fluctuating, the benchmarks regain a bit of precision by measuring the runtime of the individual spans using the [logging machinery](./CONTRIBUTING.md#logging) of Meilisearch.
+
+A span roughly translates to a function call. The benchmark runner collects all the spans by name using the [logs route](https://github.com/orgs/meilisearch/discussions/721) and sums their runtime. The processed results are then sent to the [benchmark dashboard](https://bench.meilisearch.dev), which is in charge of storing and presenting the data.
+
+## Running the benchmarks
+
+Benchmarks can run locally or in CI.
+
+### Locally
+
+#### With a local benchmark dashboard
+
+The benchmarks dashboard lives in its [own repository](https://github.com/meilisearch/benchboard). We provide binaries for Ubuntu/Debian, but you can build from source for other platforms (MacOS should work as it was developed under that platform).
+
+Run the `benchboard` binary to create a fresh database of results. By default it will serve the results and the API to gather results on `http://localhost:9001`.
+
+From the Meilisearch repository, you can then run benchmarks with:
+
+```sh
+cargo xtask bench -- workloads/my_workload_1.json ..
+```
+
+This command will build and run Meilisearch locally on port 7700, so make sure that this port is available.
+To run benchmarks on a different commit, just use the usual git command to get back to the desired commit.
+
+#### Without a local benchmark dashboard
+
+To work with the raw results, you can also skip using a local benchmark dashboard.
+
+Run:
+
+```sh
+cargo xtask bench --no-dashboard -- workloads/my_workload_1.json workloads/my_workload_2.json ..
+```
+
+For processing the results, look at [Looking at benchmark results/Without dashboard](#without-dashboard).
+
+### In CI
+
+We have dedicated runners to run workloads on CI. Currently, there are three ways of running the CI:
+
+1. Automatically, on every push to `main`.
+2. Manually, by clicking the [`Run workflow`](https://github.com/meilisearch/meilisearch/actions/workflows/bench-manual.yml) button and specifying the target reference (tag, commit or branch) as well as one or multiple workloads to run. The workloads must exist in the Meilisearch repository (conventionally, in the [`workloads`](./workloads/) directory) on the target reference. Globbing (e.g., `workloads/*.json`) works.
+3. Manually on a PR, by posting a comment containing a `/bench` command, followed by one or multiple workloads to run. Globbing works. The workloads must exist in the Meilisearch repository in the branch of the PR.
+  ```
+  /bench workloads/movies*.json /hackernews_1M.json
+  ```
+
+## Looking at benchmark results
+
+### On the dashboard
+
+Results are available on the global dashboard used by CI at <https://bench.meilisearch.dev> or on your [local dashboard](#with-a-local-benchmark-dashboard).
+
+The dashboard homepage presents three sections:
+
+1. The latest invocations (a call to `cargo xtask bench`, either local or by CI) with their reason (generally set to some helpful link in CI) and their status.
+2. The latest workloads ran on `main`.
+3. The latest workloads ran on other references.
+
+By default, the workload shows the total runtime delta with the latest applicable commit on `main`. The latest applicable commit is the latest commit for workload invocations that do not originate on `main`, and the latest previous commit for workload invocations that originate on `main`.
+
+You can explicitly request a detailed comparison by span with the `main` branch, the branch or origin, or any previous commit, by clicking the links at the bottom of the workload invocation.
+
+In the detailed comparison view, the spans are sorted by improvements, regressions, stable (no statistically significant change) and unstable (the span runtime is comparable to its standard deviation).
+
+You can click on the name of any span to get a box plot comparing the target commit with multiple commits of the selected branch.
+
+### Without dashboard
+
+After the workloads are done running, the reports will live in the Meilisearch repository, in the `bench/reports` directory (by default).
+
+You can then convert these reports into other formats.
+
+- To [Firefox profiler](https://profiler.firefox.com) format. Run:
+  ```sh
+  cd bench/reports
+  cargo run --release --bin trace-to-firefox -- my_workload_1-0-trace.json
+  ```
+  You can then upload the resulting `firefox-my_workload_1-0-trace.json` file to the online profiler.
+
+
+## Designing benchmark workloads
+
+Benchmark workloads conventionally live in the `workloads` directory of the Meilisearch repository.
+
+They are JSON files with the following structure (comments are not actually supported, to make your own, remove them or copy some existing workload file):
+
+```jsonc
+{
+  // Name of the workload. Must be unique to the workload, as it will be used to group results on the dashboard.
+  "name": "hackernews.ndjson_1M,no-threads",
+  // Number of consecutive runs of the commands that should be performed.
+  // Each run uses a fresh instance of Meilisearch and a fresh database.
+  // Each run produces its own report file.
+  "run_count": 3,
+  // List of arguments to add to the Meilisearch command line.
+  "extra_cli_args": ["--max-indexing-threads=1"],
+  // An expression that can be parsed as a comma-separated list of targets and levels
+  // as described in [tracing_subscriber's documentation](https://docs.rs/tracing-subscriber/latest/tracing_subscriber/filter/targets/struct.Targets.html#examples).
+  // The expression is used to filter the spans that are measured for profiling purposes.
+  // Optional, defaults to "indexing::=trace" (for indexing workloads), common other values is
+  // "search::=trace"
+  "target": "indexing::=trace",
+  // List of named assets that can be used in the commands.
+  "assets": {
+    // name of the asset.
+    // Must be unique at the workload level.
+    // For better results, the same asset (same sha256) should have the same name accross workloads.
+    // Having multiple assets with the same name and distinct hashes is supported accross workloads,
+    // but will lead to superfluous downloads.
+    //
+    // Assets are stored in the `bench/assets/` directory by default.
+    "hackernews-100_000.ndjson": {
+      // If the assets exists in the local filesystem (Meilisearch repository or for your local workloads)
+      // Its file path can be specified here.
+      // `null` if the asset should be downloaded from a remote location.
+      "local_location": null,
+      // URL of the remote location where the asset can be downloaded.
+      // Use the `--assets-key` of the runner to pass an API key in the `Authorization: Bearer` header of the download requests.
+      // `null` if the asset should be imported from a local location.
+      // if both local and remote locations are specified, then the local one is tried first, then the remote one
+      // if the file is locally missing or its hash differs.
+      "remote_location": "https://milli-benchmarks.fra1.digitaloceanspaces.com/bench/datasets/hackernews/hackernews-100_000.ndjson",
+      // SHA256 of the asset.
+      // Optional, the `sha256` of the asset will be displayed during a run of the workload if it is missing.
+      // If present, the hash of the asset in the `bench/assets/` directory will be compared against this hash before
+      // running the workload. If the hashes differ, the asset will be downloaded anew.
+      "sha256": "60ecd23485d560edbd90d9ca31f0e6dba1455422f2a44e402600fbb5f7f1b213",
+      // Optional, one of "Auto", "Json", "NdJson" or "Raw".
+      // If missing, assumed to be "Auto".
+      // If "Auto", the format will be determined from the extension in the asset name.
+      "format": "NdJson"
+    },
+    "hackernews-200_000.ndjson": {
+      "local_location": null,
+      "remote_location": "https://milli-benchmarks.fra1.digitaloceanspaces.com/bench/datasets/hackernews/hackernews-200_000.ndjson",
+      "sha256": "785b0271fdb47cba574fab617d5d332276b835c05dd86e4a95251cf7892a1685"
+    },
+    "hackernews-300_000.ndjson": {
+      "local_location": null,
+      "remote_location": "https://milli-benchmarks.fra1.digitaloceanspaces.com/bench/datasets/hackernews/hackernews-300_000.ndjson",
+      "sha256": "de73c7154652eddfaf69cdc3b2f824d5c452f095f40a20a1c97bb1b5c4d80ab2"
+    },
+    "hackernews-400_000.ndjson": {
+      "local_location": null,
+      "remote_location": "https://milli-benchmarks.fra1.digitaloceanspaces.com/bench/datasets/hackernews/hackernews-400_000.ndjson",
+      "sha256": "c1b00a24689110f366447e434c201c086d6f456d54ed1c4995894102794d8fe7"
+    },
+    "hackernews-500_000.ndjson": {
+      "local_location": null,
+      "remote_location": "https://milli-benchmarks.fra1.digitaloceanspaces.com/bench/datasets/hackernews/hackernews-500_000.ndjson",
+      "sha256": "ae98f9dbef8193d750e3e2dbb6a91648941a1edca5f6e82c143e7996f4840083"
+    },
+    "hackernews-600_000.ndjson": {
+      "local_location": null,
+      "remote_location": "https://milli-benchmarks.fra1.digitaloceanspaces.com/bench/datasets/hackernews/hackernews-600_000.ndjson",
+      "sha256": "b495fdc72c4a944801f786400f22076ab99186bee9699f67cbab2f21f5b74dbe"
+    },
+    "hackernews-700_000.ndjson": {
+      "local_location": null,
+      "remote_location": "https://milli-benchmarks.fra1.digitaloceanspaces.com/bench/datasets/hackernews/hackernews-700_000.ndjson",
+      "sha256": "4b2c63974f3dabaa4954e3d4598b48324d03c522321ac05b0d583f36cb78a28b"
+    },
+    "hackernews-800_000.ndjson": {
+      "local_location": null,
+      "remote_location": "https://milli-benchmarks.fra1.digitaloceanspaces.com/bench/datasets/hackernews/hackernews-800_000.ndjson",
+      "sha256": "cb7b6afe0e6caa1be111be256821bc63b0771b2a0e1fad95af7aaeeffd7ba546"
+    },
+    "hackernews-900_000.ndjson": {
+      "local_location": null,
+      "remote_location": "https://milli-benchmarks.fra1.digitaloceanspaces.com/bench/datasets/hackernews/hackernews-900_000.ndjson",
+      "sha256": "e1154ddcd398f1c867758a93db5bcb21a07b9e55530c188a2917fdef332d3ba9"
+    },
+    "hackernews-1_000_000.ndjson": {
+      "local_location": null,
+      "remote_location": "https://milli-benchmarks.fra1.digitaloceanspaces.com/bench/datasets/hackernews/hackernews-1_000_000.ndjson",
+      "sha256": "27e25efd0b68b159b8b21350d9af76938710cb29ce0393fa71b41c4f3c630ffe"
+    }
+  },
+  // Core of the workload.
+  // A list of commands to run sequentially.
+  // Optional: A precommand is a request to the Meilisearch instance that is executed before the profiling runs.
+  "precommands": [
+    {
+      // Meilisearch route to call. `http://localhost:7700/` will be prepended.
+      "route": "indexes/movies/settings",
+      // HTTP method to call.
+      "method": "PATCH",
+      // If applicable, body of the request.
+      // Optional, if missing, the body will be empty.
+      "body": {
+        // One of "empty", "inline" or "asset".
+        // If using "empty", you can skip the entire "body" key.
+        "inline": {
+          // when "inline" is used, the body is the JSON object that is the value of the `"inline"` key.
+          "displayedAttributes": [
+            "title",
+            "by",
+            "score",
+            "time"
+          ],
+          "searchableAttributes": [
+            "title"
+          ],
+          "filterableAttributes": [
+            "by"
+          ],
+          "sortableAttributes": [
+            "score",
+            "time"
+          ]
+        }
+      },
+      // Whether to wait before running the next request.
+      // One of:
+      // - DontWait: run the next command without waiting the response to this one.
+      // - WaitForResponse: run the next command as soon as the response from the server is received.
+      // - WaitForTask: run the next command once **all** the Meilisearch tasks created up to now have finished processing.
+      "synchronous": "WaitForTask"
+    }
+  ],
+  // A command is a request to the Meilisearch instance that is executed while the profiling runs.
+  "commands": [
+    {
+      "route": "indexes/movies/documents",
+      "method": "POST",
+      "body": {
+        // When using "asset", use the name of an asset as value to use the content of that asset as body.
+        // the content type is derived of the format of the asset:
+        // "NdJson" => "application/x-ndjson"
+        // "Json" => "application/json"
+        // "Raw" => "application/octet-stream"
+        // See [AssetFormat::to_content_type](https://github.com/meilisearch/meilisearch/blob/7b670a4afadb132ac4a01b6403108700501a391d/xtask/src/bench/assets.rs#L30)
+        // for details and up-to-date list.
+        "asset": "hackernews-100_000.ndjson"
+      },
+      "synchronous": "WaitForTask"
+    },
+    {
+      "route": "indexes/movies/documents",
+      "method": "POST",
+      "body": {
+        "asset": "hackernews-200_000.ndjson"
+      },
+      "synchronous": "WaitForResponse"
+    },
+    {
+      "route": "indexes/movies/documents",
+      "method": "POST",
+      "body": {
+        "asset": "hackernews-300_000.ndjson"
+      },
+      "synchronous": "WaitForResponse"
+    },
+    {
+      "route": "indexes/movies/documents",
+      "method": "POST",
+      "body": {
+        "asset": "hackernews-400_000.ndjson"
+      },
+      "synchronous": "WaitForResponse"
+    },
+    {
+      "route": "indexes/movies/documents",
+      "method": "POST",
+      "body": {
+        "asset": "hackernews-500_000.ndjson"
+      },
+      "synchronous": "WaitForResponse"
+    },
+    {
+      "route": "indexes/movies/documents",
+      "method": "POST",
+      "body": {
+        "asset": "hackernews-600_000.ndjson"
+      },
+      "synchronous": "WaitForResponse"
+    },
+    {
+      "route": "indexes/movies/documents",
+      "method": "POST",
+      "body": {
+        "asset": "hackernews-700_000.ndjson"
+      },
+      "synchronous": "WaitForResponse"
+    },
+    {
+      "route": "indexes/movies/documents",
+      "method": "POST",
+      "body": {
+        "asset": "hackernews-800_000.ndjson"
+      },
+      "synchronous": "WaitForResponse"
+    },
+    {
+      "route": "indexes/movies/documents",
+      "method": "POST",
+      "body": {
+        "asset": "hackernews-900_000.ndjson"
+      },
+      "synchronous": "WaitForResponse"
+    },
+    {
+      "route": "indexes/movies/documents",
+      "method": "POST",
+      "body": {
+        "asset": "hackernews-1_000_000.ndjson"
+      },
+      "synchronous": "WaitForTask"
+    }
+  ]
+}
+```
+
+### Adding new assets
+
+Assets reside in our DigitalOcean S3 space. Assuming you have team access to the DigitalOcean S3 space:
+
+1. go to <https://cloud.digitalocean.com/spaces/milli-benchmarks?i=d1c552&path=bench%2Fdatasets%2F>
+2. upload your dataset:
+   1. if your dataset is a single file, upload that single file using the "upload" button,
+   2. otherwise, create a folder using the "create folder" button, then inside that folder upload your individual files.
+
+## Upgrading `https://bench.meilisearch.dev`
+
+The URL of the server is in our password manager (look for "benchboard").
+
+1. Make the needed modifications on the [benchboard repository](https://github.com/meilisearch/benchboard) and merge them to main.
+2. Publish a new release to produce the Ubuntu/Debian binary.
+3. Download the binary locally, send it to the server:
+  ```
+  scp -6 ~/Downloads/benchboard root@\[<ipv6-address>\]:/bench/new-benchboard
+  ```
+  Note that the ipv6 must be between escaped square brackets for SCP.
+4. SSH to the server:
+  ```
+  ssh root@<ipv6-address>
+  ```
+  Note the ipv6 must **NOT** be between escaped square brackets for SSH 🥲
+5. On the server, set the correct permissions for the new binary:
+   ```
+   chown bench:bench /bench/new-benchboard
+   chmod 700 /bench/new-benchboard
+   ```
+6. On the server, move the new binary to the location of the running binary (if unsure, start by making a backup of the running binary):
+  ```
+  mv /bench/{new-,}benchboard
+  ```
+7. Restart the benchboard service.
+  ```
+  systemctl restart benchboard
+  ```
+8. Check that the service runs correctly.
+  ```
+  systemctl status benchboard
+  ```
+9. Check the availability of the service by going to <https://bench.meilisearch.dev> on your browser.

CONTRIBUTING.md

@@ -4,7 +4,7 @@ First, thank you for contributing to Meilisearch! The goal of this document is t
 
 Remember that there are many ways to contribute other than writing code: writing [tutorials or blog posts](https://github.com/meilisearch/awesome-meilisearch), improving [the documentation](https://github.com/meilisearch/documentation), submitting [bug reports](https://github.com/meilisearch/meilisearch/issues/new?assignees=&labels=&template=bug_report.md&title=) and [feature requests](https://github.com/meilisearch/product/discussions/categories/feedback-feature-proposal)...
 
-The code in this repository is only concerned with managing multiple indexes, handling the update store, and exposing an HTTP API. Search and indexation are the domain of our core engine, [`milli`](https://github.com/meilisearch/milli), while tokenization is handled by [our `charabia` library](https://github.com/meilisearch/charabia/).
+Meilisearch can manage multiple indexes, handle the update store, and expose an HTTP API. Search and indexation are the domain of our core engine, [`milli`](https://github.com/meilisearch/meilisearch/tree/main/milli), while tokenization is handled by [our `charabia` library](https://github.com/meilisearch/charabia/).
 
 If Meilisearch does not offer optimized support for your language, please consider contributing to `charabia` by following the [CONTRIBUTING.md file](https://github.com/meilisearch/charabia/blob/main/CONTRIBUTING.md) and integrating your intended normalizer/segmenter.
 
@@ -81,6 +81,30 @@ Meilisearch follows the [cargo xtask](https://github.com/matklad/cargo-xtask) wo
 
 Run `cargo xtask --help` from the root of the repository to find out what is available.
 
+### Logging
+
+Meilisearch uses [`tracing`](https://lib.rs/crates/tracing) for logging purposes. Tracing logs are structured and can be displayed as JSON to the end user, so prefer passing arguments as fields rather than interpolating them in the message.
+
+Refer to the [documentation](https://docs.rs/tracing/0.1.40/tracing/index.html#using-the-macros) for the syntax of the spans and events.
+
+Logging spans are used for 3 distinct purposes:
+
+1. Regular logging
+2. Profiling
+3. Benchmarking
+
+As a result, the spans should follow some rules:
+
+- They should not be put on functions that are called too often. That is because opening and closing a span causes some overhead. For regular logging, avoid putting spans on functions that are taking less than a few hundred nanoseconds. For profiling or benchmarking, avoid putting spans on functions that are taking less than a few microseconds.
+- For profiling and benchmarking, use the `TRACE` level.
+- For profiling and benchmarking, use the following `target` prefixes:
+  - `indexing::` for spans meant when profiling the indexing operations.
+  - `search::` for spans meant when profiling the search operations.
+
+### Benchmarking
+
+See [BENCHMARKS.md](./BENCHMARKS.md)
+
 ## Git Guidelines
 
 ### Git Branches

Cargo.toml

@@ -17,11 +17,12 @@ members = [
     "benchmarks",
     "fuzzers",
     "tracing-trace",
-    "xtask", "build-info",
+    "xtask",
+    "build-info",
 ]
 
 [workspace.package]
-version = "1.7.1"
+version = "1.9.0"
 authors = [
     "Quentin de Quelen <quentin@dequelen.me>",
     "Clément Renault <clement@meilisearch.com>",

README.md

@@ -1,9 +1,6 @@
 <p align="center">
-  <a href="https://www.meilisearch.com/?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=logo#gh-light-mode-only" target="_blank">
-    <img src="assets/meilisearch-logo-light.svg?sanitize=true#gh-light-mode-only">
-  </a>
-  <a href="https://www.meilisearch.com/?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=logo#gh-dark-mode-only" target="_blank">
-    <img src="assets/meilisearch-logo-dark.svg?sanitize=true#gh-dark-mode-only">
+  <a href="https://www.meilisearch.com/?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=logo" target="_blank">
+    <img src="assets/meilisearch-logo-kawaii.png">
   </a>
 </p>
 
@@ -25,7 +22,7 @@
 
 <p align="center">⚡ A lightning-fast search engine that fits effortlessly into your apps, websites, and workflow 🔍</p>
 
-Meilisearch helps you shape a delightful search experience in a snap, offering features that work out-of-the-box to speed up your workflow.
+[Meilisearch](https://www.meilisearch.com?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=intro) helps you shape a delightful search experience in a snap, offering features that work out of the box to speed up your workflow.
 
 <p align="center" name="demo">
   <a href="https://where2watch.meilisearch.com/?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=demo-gif#gh-light-mode-only" target="_blank">
@@ -36,11 +33,18 @@ Meilisearch helps you shape a delightful search experience in a snap, offering f
   </a>
 </p>
 
-🔥 [**Try it!**](https://where2watch.meilisearch.com/?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=demo-link) 🔥
+## 🖥 Examples
+
+- [**Movies**](https://where2watch.meilisearch.com/?utm_campaign=oss&utm_source=github&utm_medium=organization) — An application to help you find streaming platforms to watch movies using [hybrid search](https://www.meilisearch.com/solutions/hybrid-search?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=demos).
+- [**Ecommerce**](https://ecommerce.meilisearch.com/?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=demos) — Ecommerce website using disjunctive [facets](https://www.meilisearch.com/docs/learn/fine_tuning_results/faceted_search?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=demos), range and rating filtering, and pagination.
+- [**Songs**](https://music.meilisearch.com/?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=demos) — Search through 47 million of songs.
+- [**SaaS**](https://saas.meilisearch.com/?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=demos) — Search for contacts, deals, and companies in this [multi-tenant](https://www.meilisearch.com/docs/learn/security/multitenancy_tenant_tokens?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=demos) CRM application.
+
+See the list of all our example apps in our [demos repository](https://github.com/meilisearch/demos).
 
 ## ✨ Features
-
-- **Search-as-you-type:** find search results in less than 50 milliseconds
+- **Hybrid search:** Combine the best of both [semantic](https://www.meilisearch.com/docs/learn/experimental/vector_search?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=features) & full-text search to get the most relevant results
+- **Search-as-you-type:** Find & display results in less than 50 milliseconds to provide an intuitive experience
 - **[Typo tolerance](https://www.meilisearch.com/docs/learn/configuration/typo_tolerance?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=features):** get relevant matches even when queries contain typos and misspellings
 - **[Filtering](https://www.meilisearch.com/docs/learn/fine_tuning_results/filtering?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=features) and [faceted search](https://www.meilisearch.com/docs/learn/fine_tuning_results/faceted_search?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=features):** enhance your users' search experience with custom filters and build a faceted search interface in a few lines of code
 - **[Sorting](https://www.meilisearch.com/docs/learn/fine_tuning_results/sorting?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=features):** sort results based on price, date, or pretty much anything else your users need
@@ -55,15 +59,15 @@ Meilisearch helps you shape a delightful search experience in a snap, offering f
 
 ## 📖 Documentation
 
-You can consult Meilisearch's documentation at [https://www.meilisearch.com/docs](https://www.meilisearch.com/docs/?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=docs).
+You can consult Meilisearch's documentation at [meilisearch.com/docs](https://www.meilisearch.com/docs/?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=docs).
 
 ## 🚀 Getting started
 
-For basic instructions on how to set up Meilisearch, add documents to an index, and search for documents, take a look at our [Quick Start](https://www.meilisearch.com/docs/learn/getting_started/quick_start?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=get-started) guide.
+For basic instructions on how to set up Meilisearch, add documents to an index, and search for documents, take a look at our [documentation](https://www.meilisearch.com/docs?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=get-started) guide.
 
-## ⚡ Supercharge your Meilisearch experience
+## 🌍 Supercharge your Meilisearch experience
 
-Say goodbye to server deployment and manual updates with [Meilisearch Cloud](https://www.meilisearch.com/cloud?utm_campaign=oss&utm_source=github&utm_medium=meilisearch). No credit card required.
+Say goodbye to server deployment and manual updates with [Meilisearch Cloud](https://www.meilisearch.com/cloud?utm_campaign=oss&utm_source=github&utm_medium=meilisearch). Additional features include analytics & monitoring in many regions around the world. No credit card is required.
 
 ## 🧰 SDKs & integration tools
 
@@ -83,15 +87,15 @@ Finally, for more in-depth information, refer to our articles explaining fundame
 
 ## 📊 Telemetry
 
-Meilisearch collects **anonymized** data from users to help us improve our product. You can [deactivate this](https://www.meilisearch.com/docs/learn/what_is_meilisearch/telemetry?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=telemetry#how-to-disable-data-collection) whenever you want.
+Meilisearch collects **anonymized** user data to help us improve our product. You can [deactivate this](https://www.meilisearch.com/docs/learn/what_is_meilisearch/telemetry?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=telemetry#how-to-disable-data-collection) whenever you want.
 
-To request deletion of collected data, please write to us at [privacy@meilisearch.com](mailto:privacy@meilisearch.com). Don't forget to include your `Instance UID` in the message, as this helps us quickly find and delete your data.
+To request deletion of collected data, please write to us at [privacy@meilisearch.com](mailto:privacy@meilisearch.com). Remember to include your `Instance UID` in the message, as this helps us quickly find and delete your data.
 
 If you want to know more about the kind of data we collect and what we use it for, check the [telemetry section](https://www.meilisearch.com/docs/learn/what_is_meilisearch/telemetry?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=telemetry#how-to-disable-data-collection) of our documentation.
 
 ## 📫 Get in touch!
 
-Meilisearch is a search engine created by [Meili](https://www.welcometothejungle.com/en/companies/meilisearch), a software development company based in France and with team members all over the world. Want to know more about us? [Check out our blog!](https://blog.meilisearch.com/?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=contact)
+Meilisearch is a search engine created by [Meili]([https://www.welcometothejungle.com/en/companies/meilisearch](https://www.meilisearch.com/careers)), a software development company headquartered in France and with team members all over the world. Want to know more about us? [Check out our blog!](https://blog.meilisearch.com/?utm_campaign=oss&utm_source=github&utm_medium=meilisearch&utm_content=contact)
 
 🗞 [Subscribe to our newsletter](https://meilisearch.us2.list-manage.com/subscribe?u=27870f7b71c908a8b359599fb&id=79582d828e) if you don't want to miss any updates! We promise we won't clutter your mailbox: we only send one edition every two months.
 
@@ -105,11 +109,11 @@ Thank you for your support!
 
 ## 👩‍💻 Contributing
 
-Meilisearch is, and will always be, open-source! If you want to contribute to the project, please take a look at [our contribution guidelines](CONTRIBUTING.md).
+Meilisearch is, and will always be, open-source! If you want to contribute to the project, please look at [our contribution guidelines](CONTRIBUTING.md).
 
 ## 📦 Versioning
 
-Meilisearch releases and their associated binaries are available [in this GitHub page](https://github.com/meilisearch/meilisearch/releases).
+Meilisearch releases and their associated binaries are available on the project's [releases page](https://github.com/meilisearch/meilisearch/releases).
 
 The binaries are versioned following [SemVer conventions](https://semver.org/). To know more, read our [versioning policy](https://github.com/meilisearch/engine-team/blob/main/resources/versioning-policy.md).
 

dump/src/lib.rs

@@ -256,8 +256,8 @@ pub(crate) mod test {
 
     pub fn create_test_settings() -> Settings<Checked> {
         let settings = Settings {
-            displayed_attributes: Setting::Set(vec![S("race"), S("name")]),
-            searchable_attributes: Setting::Set(vec![S("name"), S("race")]),
+            displayed_attributes: Setting::Set(vec![S("race"), S("name")]).into(),
+            searchable_attributes: Setting::Set(vec![S("name"), S("race")]).into(),
             filterable_attributes: Setting::Set(btreeset! { S("race"), S("age") }),
             sortable_attributes: Setting::Set(btreeset! { S("age") }),
             ranking_rules: Setting::NotSet,
@@ -277,6 +277,7 @@ pub(crate) mod test {
             }),
             pagination: Setting::NotSet,
             embedders: Setting::NotSet,
+            search_cutoff_ms: Setting::NotSet,
             _kind: std::marker::PhantomData,
         };
         settings.check()

dump/src/reader/compat/v5_to_v6.rs

@@ -315,8 +315,8 @@ impl From<v5::ResponseError> for v6::ResponseError {
 impl<T> From<v5::Settings<T>> for v6::Settings<v6::Unchecked> {
     fn from(settings: v5::Settings<T>) -> Self {
         v6::Settings {
-            displayed_attributes: settings.displayed_attributes.into(),
-            searchable_attributes: settings.searchable_attributes.into(),
+            displayed_attributes: v6::Setting::from(settings.displayed_attributes).into(),
+            searchable_attributes: v6::Setting::from(settings.searchable_attributes).into(),
             filterable_attributes: settings.filterable_attributes.into(),
             sortable_attributes: settings.sortable_attributes.into(),
             ranking_rules: {
@@ -379,6 +379,7 @@ impl<T> From<v5::Settings<T>> for v6::Settings<v6::Unchecked> {
                 v5::Setting::NotSet => v6::Setting::NotSet,
             },
             embedders: v6::Setting::NotSet,
+            search_cutoff_ms: v6::Setting::NotSet,
             _kind: std::marker::PhantomData,
         }
     }

dump/src/reader/mod.rs

@@ -197,6 +197,140 @@ pub(crate) mod test {
     use super::*;
     use crate::reader::v6::RuntimeTogglableFeatures;
 
+    #[test]
+    fn import_dump_v6_with_vectors() {
+        // dump containing two indexes
+        //
+        // "vector", configured with an embedder
+        // contains:
+        // - one document with an overriden vector,
+        // - one document with a natural vector
+        // - one document with a _vectors map containing one additional embedder name and a natural vector
+        // - one document with a _vectors map containing one additional embedder name and an overriden vector
+        //
+        // "novector", no embedder
+        // contains:
+        // - a document without vector
+        // - a document with a random _vectors field
+        let dump = File::open("tests/assets/v6-with-vectors.dump").unwrap();
+        let mut dump = DumpReader::open(dump).unwrap();
+
+        // top level infos
+        insta::assert_display_snapshot!(dump.date().unwrap(), @"2024-05-16 15:51:34.151044 +00:00:00");
+        insta::assert_debug_snapshot!(dump.instance_uid().unwrap(), @"None");
+
+        // tasks
+        let tasks = dump.tasks().unwrap().collect::<Result<Vec<_>>>().unwrap();
+        let (tasks, update_files): (Vec<_>, Vec<_>) = tasks.into_iter().unzip();
+        meili_snap::snapshot_hash!(meili_snap::json_string!(tasks), @"278f63325ef06ca04d01df98d8207b94");
+        assert_eq!(update_files.len(), 10);
+        assert!(update_files[0].is_none()); // the dump creation
+        assert!(update_files[1].is_none());
+        assert!(update_files[2].is_none());
+        assert!(update_files[3].is_none());
+        assert!(update_files[4].is_none());
+        assert!(update_files[5].is_none());
+        assert!(update_files[6].is_none());
+        assert!(update_files[7].is_none());
+        assert!(update_files[8].is_none());
+        assert!(update_files[9].is_none());
+
+        // indexes
+        let mut indexes = dump.indexes().unwrap().collect::<Result<Vec<_>>>().unwrap();
+        // the index are not ordered in any way by default
+        indexes.sort_by_key(|index| index.metadata().uid.to_string());
+
+        let mut vector_index = indexes.pop().unwrap();
+        let mut novector_index = indexes.pop().unwrap();
+        assert!(indexes.is_empty());
+
+        // vector
+
+        insta::assert_json_snapshot!(vector_index.metadata(), @r###"
+        {
+          "uid": "vector",
+          "primaryKey": "id",
+          "createdAt": "2024-05-16T15:33:17.240962Z",
+          "updatedAt": "2024-05-16T15:40:55.723052Z"
+        }
+        "###);
+
+        {
+            let documents: Result<Vec<_>> = vector_index.documents().unwrap().collect();
+            let mut documents = documents.unwrap();
+            assert_eq!(documents.len(), 4);
+
+            documents.sort_by_key(|doc| doc.get("id").unwrap().to_string());
+
+            {
+                let document = documents.pop().unwrap();
+                insta::assert_json_snapshot!(document);
+            }
+
+            {
+                let document = documents.pop().unwrap();
+                insta::assert_json_snapshot!(document);
+            }
+
+            {
+                let document = documents.pop().unwrap();
+                insta::assert_json_snapshot!(document);
+            }
+
+            {
+                let document = documents.pop().unwrap();
+                insta::assert_json_snapshot!(document);
+            }
+        }
+
+        // novector
+
+        insta::assert_json_snapshot!(novector_index.metadata(), @r###"
+        {
+          "uid": "novector",
+          "primaryKey": "id",
+          "createdAt": "2024-05-16T15:33:03.568055Z",
+          "updatedAt": "2024-05-16T15:33:07.530217Z"
+        }
+        "###);
+
+        insta::assert_json_snapshot!(novector_index.settings().unwrap().embedders, @"null");
+
+        {
+            let documents: Result<Vec<_>> = novector_index.documents().unwrap().collect();
+            let mut documents = documents.unwrap();
+            assert_eq!(documents.len(), 2);
+
+            documents.sort_by_key(|doc| doc.get("id").unwrap().to_string());
+
+            {
+                let document = documents.pop().unwrap();
+                insta::assert_json_snapshot!(document, @r###"
+                {
+                  "id": "e1",
+                  "other": "random1",
+                  "_vectors": "toto"
+                }
+                "###);
+            }
+
+            {
+                let document = documents.pop().unwrap();
+                insta::assert_json_snapshot!(document, @r###"
+                {
+                  "id": "e0",
+                  "other": "random0"
+                }
+                "###);
+            }
+        }
+
+        assert_eq!(
+            dump.features().unwrap().unwrap(),
+            RuntimeTogglableFeatures { vector_store: true, ..Default::default() }
+        );
+    }
+
     #[test]
     fn import_dump_v6_experimental() {
         let dump = File::open("tests/assets/v6-with-experimental.dump").unwrap();

dump/src/reader/snapshots/dump__reader__test__import_dump_v6_with_vectors-5.snap

@@ -0,0 +1,783 @@
+---
+source: dump/src/reader/mod.rs
+expression: document
+---
+{
+  "id": "e3",
+  "desc": "overriden vector + map",
+  "_vectors": {
+    "default": [
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+  }
+}

dump/src/reader/snapshots/dump__reader__test__import_dump_v6_with_vectors-6.snap

@@ -0,0 +1,786 @@
+---
+source: dump/src/reader/mod.rs
+expression: document
+---
+{
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dump/src/reader/snapshots/dump__reader__test__import_dump_v6_with_vectors-7.snap

@@ -0,0 +1,785 @@
+---
+source: dump/src/reader/mod.rs
+expression: document
+---
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dump/src/reader/snapshots/dump__reader__test__import_dump_v6_with_vectors-8.snap

@@ -0,0 +1,780 @@
+---
+source: dump/src/reader/mod.rs
+expression: document
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+      0.1,
+      0.1
+    ]
+  }
+}

dump/src/reader/v2/updates.rs

@@ -61,7 +61,7 @@ pub enum IndexDocumentsMethod {
 #[cfg_attr(test, derive(serde::Serialize))]
 #[non_exhaustive]
 pub enum UpdateFormat {
-    /// The given update is a real **comma seperated** CSV with headers on the first line.
+    /// The given update is a real **comma separated** CSV with headers on the first line.
     Csv,
     /// The given update is a JSON array with documents inside.
     Json,

dump/src/reader/v3/settings.rs

@@ -152,6 +152,7 @@ impl Settings<Unchecked> {
 }
 
 #[derive(Debug, Clone, Deserialize)]
+#[allow(dead_code)] // otherwise rustc complains that the fields go unused
 #[cfg_attr(test, derive(serde::Serialize))]
 #[serde(deny_unknown_fields)]
 #[serde(rename_all = "camelCase")]

dump/src/reader/v4/settings.rs

@@ -182,6 +182,7 @@ impl Settings<Unchecked> {
     }
 }
 
+#[allow(dead_code)] // otherwise rustc complains that the fields go unused
 #[derive(Debug, Clone, Deserialize)]
 #[cfg_attr(test, derive(serde::Serialize))]
 #[serde(deny_unknown_fields)]

dump/src/reader/v5/tasks.rs

@@ -200,6 +200,7 @@ impl std::ops::Deref for IndexUid {
     }
 }
 
+#[allow(dead_code)] // otherwise rustc complains that the fields go unused
 #[derive(Debug)]
 #[cfg_attr(test, derive(serde::Serialize))]
 #[cfg_attr(test, serde(rename_all = "camelCase"))]

dump/src/writer.rs

@@ -219,7 +219,7 @@ pub(crate) mod test {
     fn _create_directory_hierarchy(dir: &Path, depth: usize) -> String {
         let mut ret = String::new();
 
-        // the entries are not guarenteed to be returned in the same order thus we need to sort them.
+        // the entries are not guaranteed to be returned in the same order thus we need to sort them.
         let mut entries =
             fs::read_dir(dir).unwrap().collect::<std::result::Result<Vec<_>, _>>().unwrap();
 

filter-parser/src/lib.rs

@@ -568,7 +568,7 @@ pub mod tests {
         insta::assert_display_snapshot!(p(r"title = 'foo\\\\'"), @r#"{title} = {foo\\}"#);
         insta::assert_display_snapshot!(p(r"title = 'foo\\\\\\'"), @r#"{title} = {foo\\\}"#);
         insta::assert_display_snapshot!(p(r"title = 'foo\\\\\\\\'"), @r#"{title} = {foo\\\\}"#);
-        // but it also works with other sequencies
+        // but it also works with other sequences
         insta::assert_display_snapshot!(p(r#"title = 'foo\x20\n\t\"\'"'"#), @"{title} = {foo \n\t\"\'\"}");
     }
 

filter-parser/src/value.rs

@@ -42,7 +42,7 @@ fn quoted_by(quote: char, input: Span) -> IResult<Token> {
                 )));
             }
         }
-        // if it was preceeded by a `\` or if it was anything else we can continue to advance
+        // if it was preceded by a `\` or if it was anything else we can continue to advance
     }
 
     Ok((

index-scheduler/Cargo.toml

@@ -22,7 +22,6 @@ flate2 = "1.0.28"
 meilisearch-auth = { path = "../meilisearch-auth" }
 meilisearch-types = { path = "../meilisearch-types" }
 page_size = "0.5.0"
-puffin = { version = "0.16.0", features = ["serialization"] }
 rayon = "1.8.1"
 roaring = { version = "0.10.2", features = ["serde"] }
 serde = { version = "1.0.195", features = ["derive"] }
@@ -37,11 +36,13 @@ time = { version = "0.3.31", features = [
     "macros",
 ] }
 tracing = "0.1.40"
-ureq = "2.9.1"
+ureq = "2.9.7"
 uuid = { version = "1.6.1", features = ["serde", "v4"] }
 
 [dev-dependencies]
+arroy = "0.4.0"
 big_s = "1.0.2"
 crossbeam = "0.8.4"
 insta = { version = "1.34.0", features = ["json", "redactions"] }
+maplit = "1.0.2"
 meili-snap = { path = "../meili-snap" }

index-scheduler/src/autobatcher.rs

@@ -870,7 +870,7 @@ mod tests {
         debug_snapshot!(autobatch_from(false,None,  [doc_imp(UpdateDocuments, false, None), settings(false), idx_del()]), @"Some((IndexDeletion { ids: [0, 2, 1] }, false))");
         debug_snapshot!(autobatch_from(false,None,  [doc_imp(ReplaceDocuments,false, None), settings(false), doc_clr(), idx_del()]), @"Some((IndexDeletion { ids: [1, 3, 0, 2] }, false))");
         debug_snapshot!(autobatch_from(false,None,  [doc_imp(UpdateDocuments, false, None), settings(false), doc_clr(), idx_del()]), @"Some((IndexDeletion { ids: [1, 3, 0, 2] }, false))");
-        // The third and final case is when the first task doesn't create an index but is directly followed by a task creating an index. In this case we can't batch whith what
+        // The third and final case is when the first task doesn't create an index but is directly followed by a task creating an index. In this case we can't batch whit what
         // follows because we first need to process the erronous batch.
         debug_snapshot!(autobatch_from(false,None,  [doc_imp(ReplaceDocuments,false, None), settings(true), idx_del()]), @"Some((DocumentOperation { method: ReplaceDocuments, allow_index_creation: false, primary_key: None, operation_ids: [0] }, false))");
         debug_snapshot!(autobatch_from(false,None,  [doc_imp(UpdateDocuments, false, None), settings(true), idx_del()]), @"Some((DocumentOperation { method: UpdateDocuments, allow_index_creation: false, primary_key: None, operation_ids: [0] }, false))");

index-scheduler/src/batch.rs

@@ -13,7 +13,7 @@ We can combine the two tasks in a single batch:
 1. import documents X and Y
 
 Processing this batch is functionally equivalent to processing the two
-tasks individally, but should be much faster since we are only performing
+tasks individually, but should be much faster since we are only performing
 one indexing operation.
 */
 
@@ -31,6 +31,9 @@ use meilisearch_types::milli::heed::CompactionOption;
 use meilisearch_types::milli::update::{
     IndexDocumentsConfig, IndexDocumentsMethod, IndexerConfig, Settings as MilliSettings,
 };
+use meilisearch_types::milli::vector::parsed_vectors::{
+    ExplicitVectors, VectorOrArrayOfVectors, RESERVED_VECTORS_FIELD_NAME,
+};
 use meilisearch_types::milli::{self, Filter};
 use meilisearch_types::settings::{apply_settings_to_builder, Settings, Unchecked};
 use meilisearch_types::tasks::{Details, IndexSwap, Kind, KindWithContent, Status, Task};
@@ -526,8 +529,6 @@ impl IndexScheduler {
         #[cfg(test)]
         self.maybe_fail(crate::tests::FailureLocation::InsideCreateBatch)?;
 
-        puffin::profile_function!();
-
         let enqueued = &self.get_status(rtxn, Status::Enqueued)?;
         let to_cancel = self.get_kind(rtxn, Kind::TaskCancelation)? & enqueued;
 
@@ -636,8 +637,6 @@ impl IndexScheduler {
             self.breakpoint(crate::Breakpoint::InsideProcessBatch);
         }
 
-        puffin::profile_function!(batch.to_string());
-
         match batch {
             Batch::TaskCancelation { mut task, previous_started_at, previous_processing_tasks } => {
                 // 1. Retrieve the tasks that matched the query at enqueue-time.
@@ -785,10 +784,12 @@ impl IndexScheduler {
                 let dst = temp_snapshot_dir.path().join("auth");
                 fs::create_dir_all(&dst)?;
                 // TODO We can't use the open_auth_store_env function here but we should
-                let auth = milli::heed::EnvOpenOptions::new()
-                    .map_size(1024 * 1024 * 1024) // 1 GiB
-                    .max_dbs(2)
-                    .open(&self.auth_path)?;
+                let auth = unsafe {
+                    milli::heed::EnvOpenOptions::new()
+                        .map_size(1024 * 1024 * 1024) // 1 GiB
+                        .max_dbs(2)
+                        .open(&self.auth_path)
+                }?;
                 auth.copy_to_file(dst.join("data.mdb"), CompactionOption::Enabled)?;
 
                 // 5. Copy and tarball the flat snapshot
@@ -908,19 +909,76 @@ impl IndexScheduler {
 
                     let fields_ids_map = index.fields_ids_map(&rtxn)?;
                     let all_fields: Vec<_> = fields_ids_map.iter().map(|(id, _)| id).collect();
+                    let embedding_configs = index.embedding_configs(&rtxn)?;
 
                     // 3.1. Dump the documents
                     for ret in index.all_documents(&rtxn)? {
                         if self.must_stop_processing.get() {
                             return Err(Error::AbortedTask);
                         }
-                        let (_id, doc) = ret?;
-                        let document = milli::obkv_to_json(&all_fields, &fields_ids_map, doc)?;
+
+                        let (id, doc) = ret?;
+
+                        let mut document = milli::obkv_to_json(&all_fields, &fields_ids_map, doc)?;
+
+                        'inject_vectors: {
+                            let embeddings = index.embeddings(&rtxn, id)?;
+
+                            if embeddings.is_empty() {
+                                break 'inject_vectors;
+                            }
+
+                            let vectors = document
+                                .entry(RESERVED_VECTORS_FIELD_NAME.to_owned())
+                                .or_insert(serde_json::Value::Object(Default::default()));
+
+                            let serde_json::Value::Object(vectors) = vectors else {
+                                return Err(milli::Error::UserError(
+                                    milli::UserError::InvalidVectorsMapType {
+                                        document_id: {
+                                            if let Ok(Some(Ok(index))) = index
+                                                .external_id_of(&rtxn, std::iter::once(id))
+                                                .map(|it| it.into_iter().next())
+                                            {
+                                                index
+                                            } else {
+                                                format!("internal docid={id}")
+                                            }
+                                        },
+                                        value: vectors.clone(),
+                                    },
+                                )
+                                .into());
+                            };
+
+                            for (embedder_name, embeddings) in embeddings {
+                                let user_provided = embedding_configs
+                                    .iter()
+                                    .find(|conf| conf.name == embedder_name)
+                                    .is_some_and(|conf| conf.user_provided.contains(id));
+
+                                let embeddings = ExplicitVectors {
+                                    embeddings: Some(
+                                        VectorOrArrayOfVectors::from_array_of_vectors(embeddings),
+                                    ),
+                                    regenerate: !user_provided,
+                                };
+                                vectors.insert(
+                                    embedder_name,
+                                    serde_json::to_value(embeddings).unwrap(),
+                                );
+                            }
+                        }
+
                         index_dumper.push_document(&document)?;
                     }
 
                     // 3.2. Dump the settings
-                    let settings = meilisearch_types::settings::settings(index, &rtxn)?;
+                    let settings = meilisearch_types::settings::settings(
+                        index,
+                        &rtxn,
+                        meilisearch_types::settings::SecretPolicy::RevealSecrets,
+                    )?;
                     index_dumper.settings(&settings)?;
                     Ok(())
                 })?;
@@ -1170,8 +1228,6 @@ impl IndexScheduler {
         index: &'i Index,
         operation: IndexOperation,
     ) -> Result<Vec<Task>> {
-        puffin::profile_function!();
-
         match operation {
             IndexOperation::DocumentClear { mut tasks, .. } => {
                 let count = milli::update::ClearDocuments::new(index_wtxn, index).execute()?;

index-scheduler/src/features.rs

@@ -68,19 +68,6 @@ impl RoFeatures {
             .into())
         }
     }
-
-    pub fn check_puffin(&self) -> Result<()> {
-        if self.runtime.export_puffin_reports {
-            Ok(())
-        } else {
-            Err(FeatureNotEnabledError {
-                disabled_action: "Outputting Puffin reports to disk",
-                feature: "export puffin reports",
-                issue_link: "https://github.com/meilisearch/product/discussions/693",
-            }
-            .into())
-        }
-    }
 }
 
 impl FeatureData {

index-scheduler/src/insta_snapshot.rs

@@ -32,7 +32,6 @@ pub fn snapshot_index_scheduler(scheduler: &IndexScheduler) -> String {
         features: _,
         max_number_of_tasks: _,
         max_number_of_batched_tasks: _,
-        puffin_frame: _,
         wake_up: _,
         dumps_path: _,
         snapshots_path: _,

index-scheduler/src/snapshots/index_scheduler__tests__import_vectors-15.snap

@@ -0,0 +1,15 @@
+---
+source: index-scheduler/src/lib.rs
+expression: doc
+---
+{
+  "doggo": "Intel",
+  "breed": "beagle",
+  "_vectors": {
+    "noise": [
+      0.1,
+      0.2,
+      0.3
+    ]
+  }
+}

index-scheduler/src/snapshots/index_scheduler__tests__import_vectors-2.snap

@@ -0,0 +1,20 @@
+---
+source: index-scheduler/src/lib.rs
+expression: task.details
+---
+{
+  "embedders": {
+    "A_fakerest": {
+      "source": "rest",
+      "apiKey": "MyXXXX...",
+      "dimensions": 384,
+      "url": "http://localhost:7777"
+    },
+    "B_small_hf": {
+      "source": "huggingFace",
+      "model": "sentence-transformers/all-MiniLM-L6-v2",
+      "revision": "e4ce9877abf3edfe10b0d82785e83bdcb973e22e",
+      "documentTemplate": "{{doc.doggo}} the {{doc.breed}} best doggo"
+    }
+  }
+}

index-scheduler/src/snapshots/index_scheduler__tests__import_vectors-22.snap

@@ -0,0 +1,15 @@
+---
+source: index-scheduler/src/lib.rs
+expression: doc
+---
+{
+  "doggo": "kefir",
+  "breed": "patou",
+  "_vectors": {
+    "noise": [
+      0.1,
+      0.2,
+      0.3
+    ]
+  }
+}

index-scheduler/src/snapshots/index_scheduler__tests__import_vectors-5.snap

@@ -0,0 +1,23 @@
+---
+source: index-scheduler/src/lib.rs
+expression: fakerest_config.embedder_options
+---
+{
+  "Rest": {
+    "api_key": "My super secret",
+    "distribution": null,
+    "dimensions": 384,
+    "url": "http://localhost:7777",
+    "query": null,
+    "input_field": [
+      "input"
+    ],
+    "path_to_embeddings": [
+      "data"
+    ],
+    "embedding_object": [
+      "embedding"
+    ],
+    "input_type": "text"
+  }
+}

index-scheduler/src/snapshots/index_scheduler__tests__import_vectors-8.snap

@@ -0,0 +1,11 @@
+---
+source: index-scheduler/src/lib.rs
+expression: simple_hf_config.embedder_options
+---
+{
+  "HuggingFace": {
+    "model": "sentence-transformers/all-MiniLM-L6-v2",
+    "revision": "e4ce9877abf3edfe10b0d82785e83bdcb973e22e",
+    "distribution": null
+  }
+}

index-scheduler/src/snapshots/index_scheduler__tests__import_vectors.snap

@@ -0,0 +1,20 @@
+---
+source: index-scheduler/src/lib.rs
+expression: task.details
+---
+{
+  "embedders": {
+    "A_fakerest": {
+      "source": "rest",
+      "apiKey": "MyXXXX...",
+      "dimensions": 384,
+      "url": "http://localhost:7777"
+    },
+    "B_small_hf": {
+      "source": "huggingFace",
+      "model": "sentence-transformers/all-MiniLM-L6-v2",
+      "revision": "e4ce9877abf3edfe10b0d82785e83bdcb973e22e",
+      "documentTemplate": "{{doc.doggo}} the {{doc.breed}} best doggo"
+    }
+  }
+}

index-scheduler/src/snapshots/index_scheduler__tests__settings_update-2.snap

@@ -0,0 +1,14 @@
+---
+source: index-scheduler/src/lib.rs
+expression: task.details
+---
+{
+  "embedders": {
+    "default": {
+      "source": "rest",
+      "apiKey": "MyXXXX...",
+      "dimensions": 4,
+      "url": "http://localhost:7777"
+    }
+  }
+}

index-scheduler/src/snapshots/index_scheduler__tests__settings_update-5.snap

@@ -0,0 +1,23 @@
+---
+source: index-scheduler/src/lib.rs
+expression: embedding_config.embedder_options
+---
+{
+  "Rest": {
+    "api_key": "My super secret",
+    "distribution": null,
+    "dimensions": 4,
+    "url": "http://localhost:7777",
+    "query": null,
+    "input_field": [
+      "input"
+    ],
+    "path_to_embeddings": [
+      "data"
+    ],
+    "embedding_object": [
+      "embedding"
+    ],
+    "input_type": "text"
+  }
+}

index-scheduler/src/snapshots/index_scheduler__tests__settings_update.snap

@@ -0,0 +1,14 @@
+---
+source: index-scheduler/src/lib.rs
+expression: task.details
+---
+{
+  "embedders": {
+    "default": {
+      "source": "rest",
+      "apiKey": "MyXXXX...",
+      "dimensions": 4,
+      "url": "http://localhost:7777"
+    }
+  }
+}

index-scheduler/src/snapshots/lib.rs/import_vectors/Intel to kefir succeeds.snap

@@ -0,0 +1,49 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: succeeded, details: { settings: Settings { displayed_attributes: WildcardSetting(NotSet), searchable_attributes: WildcardSetting(NotSet), filterable_attributes: NotSet, sortable_attributes: NotSet, ranking_rules: NotSet, stop_words: NotSet, non_separator_tokens: NotSet, separator_tokens: NotSet, dictionary: NotSet, synonyms: NotSet, distinct_attribute: NotSet, proximity_precision: NotSet, typo_tolerance: NotSet, faceting: NotSet, pagination: NotSet, embedders: Set({"A_fakerest": Set(EmbeddingSettings { source: Set(Rest), model: NotSet, revision: NotSet, api_key: Set("My super secret"), dimensions: Set(384), document_template: NotSet, url: Set("http://localhost:7777"), query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet }), "B_small_hf": Set(EmbeddingSettings { source: Set(HuggingFace), model: Set("sentence-transformers/all-MiniLM-L6-v2"), revision: Set("e4ce9877abf3edfe10b0d82785e83bdcb973e22e"), api_key: NotSet, dimensions: NotSet, document_template: Set("{{doc.doggo}} the {{doc.breed}} best doggo"), url: NotSet, query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet })}), search_cutoff_ms: NotSet, _kind: PhantomData<meilisearch_types::settings::Unchecked> } }, kind: SettingsUpdate { index_uid: "doggos", new_settings: Settings { displayed_attributes: WildcardSetting(NotSet), searchable_attributes: WildcardSetting(NotSet), filterable_attributes: NotSet, sortable_attributes: NotSet, ranking_rules: NotSet, stop_words: NotSet, non_separator_tokens: NotSet, separator_tokens: NotSet, dictionary: NotSet, synonyms: NotSet, distinct_attribute: NotSet, proximity_precision: NotSet, typo_tolerance: NotSet, faceting: NotSet, pagination: NotSet, embedders: Set({"A_fakerest": Set(EmbeddingSettings { source: Set(Rest), model: NotSet, revision: NotSet, api_key: Set("My super secret"), dimensions: Set(384), document_template: NotSet, url: Set("http://localhost:7777"), query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet }), "B_small_hf": Set(EmbeddingSettings { source: Set(HuggingFace), model: Set("sentence-transformers/all-MiniLM-L6-v2"), revision: Set("e4ce9877abf3edfe10b0d82785e83bdcb973e22e"), api_key: NotSet, dimensions: NotSet, document_template: Set("{{doc.doggo}} the {{doc.breed}} best doggo"), url: NotSet, query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet })}), search_cutoff_ms: NotSet, _kind: PhantomData<meilisearch_types::settings::Unchecked> }, is_deletion: false, allow_index_creation: true }}
+1 {uid: 1, status: succeeded, details: { received_documents: 1, indexed_documents: Some(1) }, kind: DocumentAdditionOrUpdate { index_uid: "doggos", primary_key: Some("id"), method: UpdateDocuments, content_file: 00000000-0000-0000-0000-000000000000, documents_count: 1, allow_index_creation: true }}
+2 {uid: 2, status: succeeded, details: { received_documents: 1, indexed_documents: Some(1) }, kind: DocumentAdditionOrUpdate { index_uid: "doggos", primary_key: None, method: UpdateDocuments, content_file: 00000000-0000-0000-0000-000000000001, documents_count: 1, allow_index_creation: true }}
+----------------------------------------------------------------------
+### Status:
+enqueued []
+succeeded [0,1,2,]
+----------------------------------------------------------------------
+### Kind:
+"documentAdditionOrUpdate" [1,2,]
+"settingsUpdate" [0,]
+----------------------------------------------------------------------
+### Index Tasks:
+doggos [0,1,2,]
+----------------------------------------------------------------------
+### Index Mapper:
+doggos: { number_of_documents: 1, field_distribution: {"_vectors": 1, "breed": 1, "doggo": 1, "id": 1} }
+
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+[timestamp] [1,]
+[timestamp] [2,]
+----------------------------------------------------------------------
+### Started At:
+[timestamp] [0,]
+[timestamp] [1,]
+[timestamp] [2,]
+----------------------------------------------------------------------
+### Finished At:
+[timestamp] [0,]
+[timestamp] [1,]
+[timestamp] [2,]
+----------------------------------------------------------------------
+### File Store:
+
+----------------------------------------------------------------------
+

index-scheduler/src/snapshots/lib.rs/import_vectors/Intel to kefir.snap

@@ -0,0 +1,48 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: succeeded, details: { settings: Settings { displayed_attributes: WildcardSetting(NotSet), searchable_attributes: WildcardSetting(NotSet), filterable_attributes: NotSet, sortable_attributes: NotSet, ranking_rules: NotSet, stop_words: NotSet, non_separator_tokens: NotSet, separator_tokens: NotSet, dictionary: NotSet, synonyms: NotSet, distinct_attribute: NotSet, proximity_precision: NotSet, typo_tolerance: NotSet, faceting: NotSet, pagination: NotSet, embedders: Set({"A_fakerest": Set(EmbeddingSettings { source: Set(Rest), model: NotSet, revision: NotSet, api_key: Set("My super secret"), dimensions: Set(384), document_template: NotSet, url: Set("http://localhost:7777"), query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet }), "B_small_hf": Set(EmbeddingSettings { source: Set(HuggingFace), model: Set("sentence-transformers/all-MiniLM-L6-v2"), revision: Set("e4ce9877abf3edfe10b0d82785e83bdcb973e22e"), api_key: NotSet, dimensions: NotSet, document_template: Set("{{doc.doggo}} the {{doc.breed}} best doggo"), url: NotSet, query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet })}), search_cutoff_ms: NotSet, _kind: PhantomData<meilisearch_types::settings::Unchecked> } }, kind: SettingsUpdate { index_uid: "doggos", new_settings: Settings { displayed_attributes: WildcardSetting(NotSet), searchable_attributes: WildcardSetting(NotSet), filterable_attributes: NotSet, sortable_attributes: NotSet, ranking_rules: NotSet, stop_words: NotSet, non_separator_tokens: NotSet, separator_tokens: NotSet, dictionary: NotSet, synonyms: NotSet, distinct_attribute: NotSet, proximity_precision: NotSet, typo_tolerance: NotSet, faceting: NotSet, pagination: NotSet, embedders: Set({"A_fakerest": Set(EmbeddingSettings { source: Set(Rest), model: NotSet, revision: NotSet, api_key: Set("My super secret"), dimensions: Set(384), document_template: NotSet, url: Set("http://localhost:7777"), query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet }), "B_small_hf": Set(EmbeddingSettings { source: Set(HuggingFace), model: Set("sentence-transformers/all-MiniLM-L6-v2"), revision: Set("e4ce9877abf3edfe10b0d82785e83bdcb973e22e"), api_key: NotSet, dimensions: NotSet, document_template: Set("{{doc.doggo}} the {{doc.breed}} best doggo"), url: NotSet, query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet })}), search_cutoff_ms: NotSet, _kind: PhantomData<meilisearch_types::settings::Unchecked> }, is_deletion: false, allow_index_creation: true }}
+1 {uid: 1, status: succeeded, details: { received_documents: 1, indexed_documents: Some(1) }, kind: DocumentAdditionOrUpdate { index_uid: "doggos", primary_key: Some("id"), method: UpdateDocuments, content_file: 00000000-0000-0000-0000-000000000000, documents_count: 1, allow_index_creation: true }}
+2 {uid: 2, status: enqueued, details: { received_documents: 1, indexed_documents: None }, kind: DocumentAdditionOrUpdate { index_uid: "doggos", primary_key: None, method: UpdateDocuments, content_file: 00000000-0000-0000-0000-000000000001, documents_count: 1, allow_index_creation: true }}
+----------------------------------------------------------------------
+### Status:
+enqueued [2,]
+succeeded [0,1,]
+----------------------------------------------------------------------
+### Kind:
+"documentAdditionOrUpdate" [1,2,]
+"settingsUpdate" [0,]
+----------------------------------------------------------------------
+### Index Tasks:
+doggos [0,1,2,]
+----------------------------------------------------------------------
+### Index Mapper:
+doggos: { number_of_documents: 1, field_distribution: {"_vectors": 1, "breed": 1, "doggo": 1, "id": 1} }
+
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+[timestamp] [1,]
+[timestamp] [2,]
+----------------------------------------------------------------------
+### Started At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### Finished At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### File Store:
+00000000-0000-0000-0000-000000000001
+
+----------------------------------------------------------------------
+

index-scheduler/src/snapshots/lib.rs/import_vectors/adding Intel succeeds.snap

@@ -0,0 +1,45 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: succeeded, details: { settings: Settings { displayed_attributes: WildcardSetting(NotSet), searchable_attributes: WildcardSetting(NotSet), filterable_attributes: NotSet, sortable_attributes: NotSet, ranking_rules: NotSet, stop_words: NotSet, non_separator_tokens: NotSet, separator_tokens: NotSet, dictionary: NotSet, synonyms: NotSet, distinct_attribute: NotSet, proximity_precision: NotSet, typo_tolerance: NotSet, faceting: NotSet, pagination: NotSet, embedders: Set({"A_fakerest": Set(EmbeddingSettings { source: Set(Rest), model: NotSet, revision: NotSet, api_key: Set("My super secret"), dimensions: Set(384), document_template: NotSet, url: Set("http://localhost:7777"), query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet }), "B_small_hf": Set(EmbeddingSettings { source: Set(HuggingFace), model: Set("sentence-transformers/all-MiniLM-L6-v2"), revision: Set("e4ce9877abf3edfe10b0d82785e83bdcb973e22e"), api_key: NotSet, dimensions: NotSet, document_template: Set("{{doc.doggo}} the {{doc.breed}} best doggo"), url: NotSet, query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet })}), search_cutoff_ms: NotSet, _kind: PhantomData<meilisearch_types::settings::Unchecked> } }, kind: SettingsUpdate { index_uid: "doggos", new_settings: Settings { displayed_attributes: WildcardSetting(NotSet), searchable_attributes: WildcardSetting(NotSet), filterable_attributes: NotSet, sortable_attributes: NotSet, ranking_rules: NotSet, stop_words: NotSet, non_separator_tokens: NotSet, separator_tokens: NotSet, dictionary: NotSet, synonyms: NotSet, distinct_attribute: NotSet, proximity_precision: NotSet, typo_tolerance: NotSet, faceting: NotSet, pagination: NotSet, embedders: Set({"A_fakerest": Set(EmbeddingSettings { source: Set(Rest), model: NotSet, revision: NotSet, api_key: Set("My super secret"), dimensions: Set(384), document_template: NotSet, url: Set("http://localhost:7777"), query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet }), "B_small_hf": Set(EmbeddingSettings { source: Set(HuggingFace), model: Set("sentence-transformers/all-MiniLM-L6-v2"), revision: Set("e4ce9877abf3edfe10b0d82785e83bdcb973e22e"), api_key: NotSet, dimensions: NotSet, document_template: Set("{{doc.doggo}} the {{doc.breed}} best doggo"), url: NotSet, query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet })}), search_cutoff_ms: NotSet, _kind: PhantomData<meilisearch_types::settings::Unchecked> }, is_deletion: false, allow_index_creation: true }}
+1 {uid: 1, status: succeeded, details: { received_documents: 1, indexed_documents: Some(1) }, kind: DocumentAdditionOrUpdate { index_uid: "doggos", primary_key: Some("id"), method: UpdateDocuments, content_file: 00000000-0000-0000-0000-000000000000, documents_count: 1, allow_index_creation: true }}
+----------------------------------------------------------------------
+### Status:
+enqueued []
+succeeded [0,1,]
+----------------------------------------------------------------------
+### Kind:
+"documentAdditionOrUpdate" [1,]
+"settingsUpdate" [0,]
+----------------------------------------------------------------------
+### Index Tasks:
+doggos [0,1,]
+----------------------------------------------------------------------
+### Index Mapper:
+doggos: { number_of_documents: 1, field_distribution: {"_vectors": 1, "breed": 1, "doggo": 1, "id": 1} }
+
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### Started At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### Finished At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### File Store:
+
+----------------------------------------------------------------------
+

index-scheduler/src/snapshots/lib.rs/import_vectors/after adding Intel.snap

@@ -0,0 +1,44 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: succeeded, details: { settings: Settings { displayed_attributes: WildcardSetting(NotSet), searchable_attributes: WildcardSetting(NotSet), filterable_attributes: NotSet, sortable_attributes: NotSet, ranking_rules: NotSet, stop_words: NotSet, non_separator_tokens: NotSet, separator_tokens: NotSet, dictionary: NotSet, synonyms: NotSet, distinct_attribute: NotSet, proximity_precision: NotSet, typo_tolerance: NotSet, faceting: NotSet, pagination: NotSet, embedders: Set({"A_fakerest": Set(EmbeddingSettings { source: Set(Rest), model: NotSet, revision: NotSet, api_key: Set("My super secret"), dimensions: Set(384), document_template: NotSet, url: Set("http://localhost:7777"), query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet }), "B_small_hf": Set(EmbeddingSettings { source: Set(HuggingFace), model: Set("sentence-transformers/all-MiniLM-L6-v2"), revision: Set("e4ce9877abf3edfe10b0d82785e83bdcb973e22e"), api_key: NotSet, dimensions: NotSet, document_template: Set("{{doc.doggo}} the {{doc.breed}} best doggo"), url: NotSet, query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet })}), search_cutoff_ms: NotSet, _kind: PhantomData<meilisearch_types::settings::Unchecked> } }, kind: SettingsUpdate { index_uid: "doggos", new_settings: Settings { displayed_attributes: WildcardSetting(NotSet), searchable_attributes: WildcardSetting(NotSet), filterable_attributes: NotSet, sortable_attributes: NotSet, ranking_rules: NotSet, stop_words: NotSet, non_separator_tokens: NotSet, separator_tokens: NotSet, dictionary: NotSet, synonyms: NotSet, distinct_attribute: NotSet, proximity_precision: NotSet, typo_tolerance: NotSet, faceting: NotSet, pagination: NotSet, embedders: Set({"A_fakerest": Set(EmbeddingSettings { source: Set(Rest), model: NotSet, revision: NotSet, api_key: Set("My super secret"), dimensions: Set(384), document_template: NotSet, url: Set("http://localhost:7777"), query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet }), "B_small_hf": Set(EmbeddingSettings { source: Set(HuggingFace), model: Set("sentence-transformers/all-MiniLM-L6-v2"), revision: Set("e4ce9877abf3edfe10b0d82785e83bdcb973e22e"), api_key: NotSet, dimensions: NotSet, document_template: Set("{{doc.doggo}} the {{doc.breed}} best doggo"), url: NotSet, query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet })}), search_cutoff_ms: NotSet, _kind: PhantomData<meilisearch_types::settings::Unchecked> }, is_deletion: false, allow_index_creation: true }}
+1 {uid: 1, status: enqueued, details: { received_documents: 1, indexed_documents: None }, kind: DocumentAdditionOrUpdate { index_uid: "doggos", primary_key: Some("id"), method: UpdateDocuments, content_file: 00000000-0000-0000-0000-000000000000, documents_count: 1, allow_index_creation: true }}
+----------------------------------------------------------------------
+### Status:
+enqueued [1,]
+succeeded [0,]
+----------------------------------------------------------------------
+### Kind:
+"documentAdditionOrUpdate" [1,]
+"settingsUpdate" [0,]
+----------------------------------------------------------------------
+### Index Tasks:
+doggos [0,1,]
+----------------------------------------------------------------------
+### Index Mapper:
+doggos: { number_of_documents: 0, field_distribution: {} }
+
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### Started At:
+[timestamp] [0,]
+----------------------------------------------------------------------
+### Finished At:
+[timestamp] [0,]
+----------------------------------------------------------------------
+### File Store:
+00000000-0000-0000-0000-000000000000
+
+----------------------------------------------------------------------
+

index-scheduler/src/snapshots/lib.rs/import_vectors/after_registering_settings_task_vectors.snap

@@ -0,0 +1,36 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: enqueued, details: { settings: Settings { displayed_attributes: WildcardSetting(NotSet), searchable_attributes: WildcardSetting(NotSet), filterable_attributes: NotSet, sortable_attributes: NotSet, ranking_rules: NotSet, stop_words: NotSet, non_separator_tokens: NotSet, separator_tokens: NotSet, dictionary: NotSet, synonyms: NotSet, distinct_attribute: NotSet, proximity_precision: NotSet, typo_tolerance: NotSet, faceting: NotSet, pagination: NotSet, embedders: Set({"A_fakerest": Set(EmbeddingSettings { source: Set(Rest), model: NotSet, revision: NotSet, api_key: Set("My super secret"), dimensions: Set(384), document_template: NotSet, url: Set("http://localhost:7777"), query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet }), "B_small_hf": Set(EmbeddingSettings { source: Set(HuggingFace), model: Set("sentence-transformers/all-MiniLM-L6-v2"), revision: Set("e4ce9877abf3edfe10b0d82785e83bdcb973e22e"), api_key: NotSet, dimensions: NotSet, document_template: Set("{{doc.doggo}} the {{doc.breed}} best doggo"), url: NotSet, query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet })}), search_cutoff_ms: NotSet, _kind: PhantomData<meilisearch_types::settings::Unchecked> } }, kind: SettingsUpdate { index_uid: "doggos", new_settings: Settings { displayed_attributes: WildcardSetting(NotSet), searchable_attributes: WildcardSetting(NotSet), filterable_attributes: NotSet, sortable_attributes: NotSet, ranking_rules: NotSet, stop_words: NotSet, non_separator_tokens: NotSet, separator_tokens: NotSet, dictionary: NotSet, synonyms: NotSet, distinct_attribute: NotSet, proximity_precision: NotSet, typo_tolerance: NotSet, faceting: NotSet, pagination: NotSet, embedders: Set({"A_fakerest": Set(EmbeddingSettings { source: Set(Rest), model: NotSet, revision: NotSet, api_key: Set("My super secret"), dimensions: Set(384), document_template: NotSet, url: Set("http://localhost:7777"), query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet }), "B_small_hf": Set(EmbeddingSettings { source: Set(HuggingFace), model: Set("sentence-transformers/all-MiniLM-L6-v2"), revision: Set("e4ce9877abf3edfe10b0d82785e83bdcb973e22e"), api_key: NotSet, dimensions: NotSet, document_template: Set("{{doc.doggo}} the {{doc.breed}} best doggo"), url: NotSet, query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet })}), search_cutoff_ms: NotSet, _kind: PhantomData<meilisearch_types::settings::Unchecked> }, is_deletion: false, allow_index_creation: true }}
+----------------------------------------------------------------------
+### Status:
+enqueued [0,]
+----------------------------------------------------------------------
+### Kind:
+"settingsUpdate" [0,]
+----------------------------------------------------------------------
+### Index Tasks:
+doggos [0,]
+----------------------------------------------------------------------
+### Index Mapper:
+
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+----------------------------------------------------------------------
+### Started At:
+----------------------------------------------------------------------
+### Finished At:
+----------------------------------------------------------------------
+### File Store:
+
+----------------------------------------------------------------------
+

index-scheduler/src/snapshots/lib.rs/import_vectors/settings_update_processed_vectors.snap

@@ -0,0 +1,40 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: succeeded, details: { settings: Settings { displayed_attributes: WildcardSetting(NotSet), searchable_attributes: WildcardSetting(NotSet), filterable_attributes: NotSet, sortable_attributes: NotSet, ranking_rules: NotSet, stop_words: NotSet, non_separator_tokens: NotSet, separator_tokens: NotSet, dictionary: NotSet, synonyms: NotSet, distinct_attribute: NotSet, proximity_precision: NotSet, typo_tolerance: NotSet, faceting: NotSet, pagination: NotSet, embedders: Set({"A_fakerest": Set(EmbeddingSettings { source: Set(Rest), model: NotSet, revision: NotSet, api_key: Set("My super secret"), dimensions: Set(384), document_template: NotSet, url: Set("http://localhost:7777"), query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet }), "B_small_hf": Set(EmbeddingSettings { source: Set(HuggingFace), model: Set("sentence-transformers/all-MiniLM-L6-v2"), revision: Set("e4ce9877abf3edfe10b0d82785e83bdcb973e22e"), api_key: NotSet, dimensions: NotSet, document_template: Set("{{doc.doggo}} the {{doc.breed}} best doggo"), url: NotSet, query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet })}), search_cutoff_ms: NotSet, _kind: PhantomData<meilisearch_types::settings::Unchecked> } }, kind: SettingsUpdate { index_uid: "doggos", new_settings: Settings { displayed_attributes: WildcardSetting(NotSet), searchable_attributes: WildcardSetting(NotSet), filterable_attributes: NotSet, sortable_attributes: NotSet, ranking_rules: NotSet, stop_words: NotSet, non_separator_tokens: NotSet, separator_tokens: NotSet, dictionary: NotSet, synonyms: NotSet, distinct_attribute: NotSet, proximity_precision: NotSet, typo_tolerance: NotSet, faceting: NotSet, pagination: NotSet, embedders: Set({"A_fakerest": Set(EmbeddingSettings { source: Set(Rest), model: NotSet, revision: NotSet, api_key: Set("My super secret"), dimensions: Set(384), document_template: NotSet, url: Set("http://localhost:7777"), query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet }), "B_small_hf": Set(EmbeddingSettings { source: Set(HuggingFace), model: Set("sentence-transformers/all-MiniLM-L6-v2"), revision: Set("e4ce9877abf3edfe10b0d82785e83bdcb973e22e"), api_key: NotSet, dimensions: NotSet, document_template: Set("{{doc.doggo}} the {{doc.breed}} best doggo"), url: NotSet, query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet })}), search_cutoff_ms: NotSet, _kind: PhantomData<meilisearch_types::settings::Unchecked> }, is_deletion: false, allow_index_creation: true }}
+----------------------------------------------------------------------
+### Status:
+enqueued []
+succeeded [0,]
+----------------------------------------------------------------------
+### Kind:
+"settingsUpdate" [0,]
+----------------------------------------------------------------------
+### Index Tasks:
+doggos [0,]
+----------------------------------------------------------------------
+### Index Mapper:
+doggos: { number_of_documents: 0, field_distribution: {} }
+
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+----------------------------------------------------------------------
+### Started At:
+[timestamp] [0,]
+----------------------------------------------------------------------
+### Finished At:
+[timestamp] [0,]
+----------------------------------------------------------------------
+### File Store:
+
+----------------------------------------------------------------------
+

index-scheduler/src/snapshots/lib.rs/test_settings_update/after_registering_settings_task.snap

@@ -0,0 +1,36 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: enqueued, details: { settings: Settings { displayed_attributes: WildcardSetting(NotSet), searchable_attributes: WildcardSetting(NotSet), filterable_attributes: NotSet, sortable_attributes: NotSet, ranking_rules: NotSet, stop_words: NotSet, non_separator_tokens: NotSet, separator_tokens: NotSet, dictionary: NotSet, synonyms: NotSet, distinct_attribute: NotSet, proximity_precision: NotSet, typo_tolerance: NotSet, faceting: NotSet, pagination: NotSet, embedders: Set({"default": Set(EmbeddingSettings { source: Set(Rest), model: NotSet, revision: NotSet, api_key: Set("My super secret"), dimensions: Set(4), document_template: NotSet, url: Set("http://localhost:7777"), query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet })}), search_cutoff_ms: NotSet, _kind: PhantomData<meilisearch_types::settings::Unchecked> } }, kind: SettingsUpdate { index_uid: "doggos", new_settings: Settings { displayed_attributes: WildcardSetting(NotSet), searchable_attributes: WildcardSetting(NotSet), filterable_attributes: NotSet, sortable_attributes: NotSet, ranking_rules: NotSet, stop_words: NotSet, non_separator_tokens: NotSet, separator_tokens: NotSet, dictionary: NotSet, synonyms: NotSet, distinct_attribute: NotSet, proximity_precision: NotSet, typo_tolerance: NotSet, faceting: NotSet, pagination: NotSet, embedders: Set({"default": Set(EmbeddingSettings { source: Set(Rest), model: NotSet, revision: NotSet, api_key: Set("My super secret"), dimensions: Set(4), document_template: NotSet, url: Set("http://localhost:7777"), query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet })}), search_cutoff_ms: NotSet, _kind: PhantomData<meilisearch_types::settings::Unchecked> }, is_deletion: false, allow_index_creation: true }}
+----------------------------------------------------------------------
+### Status:
+enqueued [0,]
+----------------------------------------------------------------------
+### Kind:
+"settingsUpdate" [0,]
+----------------------------------------------------------------------
+### Index Tasks:
+doggos [0,]
+----------------------------------------------------------------------
+### Index Mapper:
+
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+----------------------------------------------------------------------
+### Started At:
+----------------------------------------------------------------------
+### Finished At:
+----------------------------------------------------------------------
+### File Store:
+
+----------------------------------------------------------------------
+

index-scheduler/src/snapshots/lib.rs/test_settings_update/settings_update_processed.snap

@@ -0,0 +1,40 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: succeeded, details: { settings: Settings { displayed_attributes: WildcardSetting(NotSet), searchable_attributes: WildcardSetting(NotSet), filterable_attributes: NotSet, sortable_attributes: NotSet, ranking_rules: NotSet, stop_words: NotSet, non_separator_tokens: NotSet, separator_tokens: NotSet, dictionary: NotSet, synonyms: NotSet, distinct_attribute: NotSet, proximity_precision: NotSet, typo_tolerance: NotSet, faceting: NotSet, pagination: NotSet, embedders: Set({"default": Set(EmbeddingSettings { source: Set(Rest), model: NotSet, revision: NotSet, api_key: Set("My super secret"), dimensions: Set(4), document_template: NotSet, url: Set("http://localhost:7777"), query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet })}), search_cutoff_ms: NotSet, _kind: PhantomData<meilisearch_types::settings::Unchecked> } }, kind: SettingsUpdate { index_uid: "doggos", new_settings: Settings { displayed_attributes: WildcardSetting(NotSet), searchable_attributes: WildcardSetting(NotSet), filterable_attributes: NotSet, sortable_attributes: NotSet, ranking_rules: NotSet, stop_words: NotSet, non_separator_tokens: NotSet, separator_tokens: NotSet, dictionary: NotSet, synonyms: NotSet, distinct_attribute: NotSet, proximity_precision: NotSet, typo_tolerance: NotSet, faceting: NotSet, pagination: NotSet, embedders: Set({"default": Set(EmbeddingSettings { source: Set(Rest), model: NotSet, revision: NotSet, api_key: Set("My super secret"), dimensions: Set(4), document_template: NotSet, url: Set("http://localhost:7777"), query: NotSet, input_field: NotSet, path_to_embeddings: NotSet, embedding_object: NotSet, input_type: NotSet, distribution: NotSet })}), search_cutoff_ms: NotSet, _kind: PhantomData<meilisearch_types::settings::Unchecked> }, is_deletion: false, allow_index_creation: true }}
+----------------------------------------------------------------------
+### Status:
+enqueued []
+succeeded [0,]
+----------------------------------------------------------------------
+### Kind:
+"settingsUpdate" [0,]
+----------------------------------------------------------------------
+### Index Tasks:
+doggos [0,]
+----------------------------------------------------------------------
+### Index Mapper:
+doggos: { number_of_documents: 0, field_distribution: {} }
+
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+----------------------------------------------------------------------
+### Started At:
+[timestamp] [0,]
+----------------------------------------------------------------------
+### Finished At:
+[timestamp] [0,]
+----------------------------------------------------------------------
+### File Store:
+
+----------------------------------------------------------------------
+

index-scheduler/src/utils.rs

@@ -272,9 +272,9 @@ pub fn swap_index_uid_in_task(task: &mut Task, swap: (&str, &str)) {
     }
     for index_uid in index_uids {
         if index_uid == swap.0 {
-            *index_uid = swap.1.to_owned();
+            swap.1.clone_into(index_uid);
         } else if index_uid == swap.1 {
-            *index_uid = swap.0.to_owned();
+            swap.0.clone_into(index_uid);
         }
     }
 }

meilisearch-auth/src/lib.rs

@@ -188,6 +188,12 @@ impl AuthFilter {
         self.allow_index_creation && self.is_index_authorized(index)
     }
 
+    #[inline]
+    /// Return true if a tenant token was used to generate the search rules.
+    pub fn is_tenant_token(&self) -> bool {
+        self.search_rules.is_some()
+    }
+
     pub fn with_allowed_indexes(allowed_indexes: HashSet<IndexUidPattern>) -> Self {
         Self {
             search_rules: None,
@@ -205,6 +211,7 @@ impl AuthFilter {
                 .unwrap_or(true)
     }
 
+    /// Check if the index is authorized by the API key and the tenant token.
     pub fn is_index_authorized(&self, index: &str) -> bool {
         self.key_authorized_indexes.is_index_authorized(index)
             && self
@@ -214,6 +221,44 @@ impl AuthFilter {
                 .unwrap_or(true)
     }
 
+    /// Only check if the index is authorized by the API key
+    pub fn api_key_is_index_authorized(&self, index: &str) -> bool {
+        self.key_authorized_indexes.is_index_authorized(index)
+    }
+
+    /// Only check if the index is authorized by the tenant token
+    pub fn tenant_token_is_index_authorized(&self, index: &str) -> bool {
+        self.search_rules
+            .as_ref()
+            .map(|search_rules| search_rules.is_index_authorized(index))
+            .unwrap_or(true)
+    }
+
+    /// Return the list of authorized indexes by the tenant token if any
+    pub fn tenant_token_list_index_authorized(&self) -> Vec<String> {
+        match self.search_rules {
+            Some(ref search_rules) => {
+                let mut indexes: Vec<_> = match search_rules {
+                    SearchRules::Set(set) => set.iter().map(|s| s.to_string()).collect(),
+                    SearchRules::Map(map) => map.keys().map(|s| s.to_string()).collect(),
+                };
+                indexes.sort_unstable();
+                indexes
+            }
+            None => Vec::new(),
+        }
+    }
+
+    /// Return the list of authorized indexes by the api key if any
+    pub fn api_key_list_index_authorized(&self) -> Vec<String> {
+        let mut indexes: Vec<_> = match self.key_authorized_indexes {
+            SearchRules::Set(ref set) => set.iter().map(|s| s.to_string()).collect(),
+            SearchRules::Map(ref map) => map.keys().map(|s| s.to_string()).collect(),
+        };
+        indexes.sort_unstable();
+        indexes
+    }
+
     pub fn get_index_search_rules(&self, index: &str) -> Option<IndexSearchRules> {
         if !self.is_index_authorized(index) {
             return None;

meilisearch-auth/src/store.rs

@@ -49,7 +49,7 @@ pub fn open_auth_store_env(path: &Path) -> milli::heed::Result<milli::heed::Env>
     let mut options = EnvOpenOptions::new();
     options.map_size(AUTH_STORE_SIZE); // 1GB
     options.max_dbs(2);
-    options.open(path)
+    unsafe { options.open(path) }
 }
 
 impl HeedAuthStore {

meilisearch-types/Cargo.toml

@@ -11,7 +11,7 @@ edition.workspace = true
 license.workspace = true
 
 [dependencies]
-actix-web = { version = "4.4.1", default-features = false }
+actix-web = { version = "4.6.0", default-features = false }
 anyhow = "1.0.79"
 convert_case = "0.6.0"
 csv = "1.3.0"
@@ -30,7 +30,12 @@ serde_json = "1.0.111"
 tar = "0.4.40"
 tempfile = "3.9.0"
 thiserror = "1.0.56"
-time = { version = "0.3.31", features = ["serde-well-known", "formatting", "parsing", "macros"] }
+time = { version = "0.3.31", features = [
+    "serde-well-known",
+    "formatting",
+    "parsing",
+    "macros",
+] }
 tokio = "1.35"
 uuid = { version = "1.6.1", features = ["serde", "v4"] }
 
@@ -44,10 +49,13 @@ all-tokenizations = ["milli/all-tokenizations"]
 
 # chinese specialized tokenization
 chinese = ["milli/chinese"]
+chinese-pinyin = ["milli/chinese-pinyin"]
 # hebrew specialized tokenization
 hebrew = ["milli/hebrew"]
 # japanese specialized tokenization
 japanese = ["milli/japanese"]
+# korean specialized tokenization
+korean = ["milli/korean"]
 # thai specialized tokenization
 thai = ["milli/thai"]
 # allow greek specialized tokenization
@@ -56,3 +64,5 @@ greek = ["milli/greek"]
 khmer = ["milli/khmer"]
 # allow vietnamese specialized tokenization
 vietnamese = ["milli/vietnamese"]
+# force swedish character recomposition
+swedish-recomposition = ["milli/swedish-recomposition"]

meilisearch-types/src/deserr/mod.rs

@@ -26,7 +26,7 @@ pub type DeserrQueryParamError<C = BadRequest> = DeserrError<DeserrQueryParam, C
 
 /// A request deserialization error.
 ///
-/// The first generic paramater is a marker type describing the format of the request: either json (e.g. [`DeserrJson`] or [`DeserrQueryParam`]).
+/// The first generic parameter is a marker type describing the format of the request: either json (e.g. [`DeserrJson`] or [`DeserrQueryParam`]).
 /// The second generic parameter is the default error code for the deserialization error, in case it is not given.
 pub struct DeserrError<Format, C: Default + ErrorCode> {
     pub msg: String,
@@ -189,3 +189,6 @@ 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!(InvalidSearchSemanticRatio);
+merge_with_error_impl_take_error_message!(InvalidSearchRankingScoreThreshold);
+merge_with_error_impl_take_error_message!(InvalidSimilarRankingScoreThreshold);
+merge_with_error_impl_take_error_message!(InvalidSimilarId);

meilisearch-types/src/error.rs

@@ -2,6 +2,7 @@ use std::{fmt, io};
 
 use actix_web::http::StatusCode;
 use actix_web::{self as aweb, HttpResponseBuilder};
+use aweb::http::header;
 use aweb::rt::task::JoinError;
 use convert_case::Casing;
 use milli::heed::{Error as HeedError, MdbError};
@@ -56,7 +57,14 @@ where
 impl aweb::error::ResponseError for ResponseError {
     fn error_response(&self) -> aweb::HttpResponse {
         let json = serde_json::to_vec(self).unwrap();
-        HttpResponseBuilder::new(self.status_code()).content_type("application/json").body(json)
+        let mut builder = HttpResponseBuilder::new(self.status_code());
+        builder.content_type("application/json");
+
+        if self.code == StatusCode::SERVICE_UNAVAILABLE {
+            builder.insert_header((header::RETRY_AFTER, "10"));
+        }
+
+        builder.body(json)
     }
 
     fn status_code(&self) -> StatusCode {
@@ -214,6 +222,7 @@ InvalidApiKeyUid                      , InvalidRequest       , BAD_REQUEST ;
 InvalidContentType                    , InvalidRequest       , UNSUPPORTED_MEDIA_TYPE ;
 InvalidDocumentCsvDelimiter           , InvalidRequest       , BAD_REQUEST ;
 InvalidDocumentFields                 , InvalidRequest       , BAD_REQUEST ;
+InvalidDocumentRetrieveVectors        , InvalidRequest       , BAD_REQUEST ;
 MissingDocumentFilter                 , InvalidRequest       , BAD_REQUEST ;
 InvalidDocumentFilter                 , InvalidRequest       , BAD_REQUEST ;
 InvalidDocumentGeoField               , InvalidRequest       , BAD_REQUEST ;
@@ -231,18 +240,27 @@ InvalidIndexUid                       , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchAttributesToSearchOn     , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchAttributesToCrop         , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchAttributesToHighlight    , InvalidRequest       , BAD_REQUEST ;
+InvalidSimilarAttributesToRetrieve    , InvalidRequest       , BAD_REQUEST ;
+InvalidSimilarRetrieveVectors         , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchAttributesToRetrieve     , InvalidRequest       , BAD_REQUEST ;
+InvalidSearchRankingScoreThreshold    , InvalidRequest       , BAD_REQUEST ;
+InvalidSimilarRankingScoreThreshold   , InvalidRequest       , BAD_REQUEST ;
+InvalidSearchRetrieveVectors          , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchCropLength               , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchCropMarker               , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchFacets                   , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchSemanticRatio            , InvalidRequest       , BAD_REQUEST ;
 InvalidFacetSearchFacetName           , InvalidRequest       , BAD_REQUEST ;
+InvalidSimilarId                      , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchFilter                   , InvalidRequest       , BAD_REQUEST ;
+InvalidSimilarFilter                  , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchHighlightPostTag         , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchHighlightPreTag          , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchHitsPerPage              , InvalidRequest       , BAD_REQUEST ;
+InvalidSimilarLimit                   , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchLimit                    , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchMatchingStrategy         , InvalidRequest       , BAD_REQUEST ;
+InvalidSimilarOffset                  , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchOffset                   , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchPage                     , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchQ                        , InvalidRequest       , BAD_REQUEST ;
@@ -251,14 +269,18 @@ InvalidFacetSearchName                , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchVector                   , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchShowMatchesPosition      , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchShowRankingScore         , InvalidRequest       , BAD_REQUEST ;
+InvalidSimilarShowRankingScore        , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchShowRankingScoreDetails  , InvalidRequest       , BAD_REQUEST ;
+InvalidSimilarShowRankingScoreDetails , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchSort                     , InvalidRequest       , BAD_REQUEST ;
+InvalidSearchDistinct                 , InvalidRequest       , BAD_REQUEST ;
 InvalidSettingsDisplayedAttributes    , InvalidRequest       , BAD_REQUEST ;
 InvalidSettingsDistinctAttribute      , InvalidRequest       , BAD_REQUEST ;
 InvalidSettingsProximityPrecision     , InvalidRequest       , BAD_REQUEST ;
 InvalidSettingsFaceting               , InvalidRequest       , BAD_REQUEST ;
 InvalidSettingsFilterableAttributes   , InvalidRequest       , BAD_REQUEST ;
 InvalidSettingsPagination             , InvalidRequest       , BAD_REQUEST ;
+InvalidSettingsSearchCutoffMs         , InvalidRequest       , BAD_REQUEST ;
 InvalidSettingsEmbedders              , InvalidRequest       , BAD_REQUEST ;
 InvalidSettingsRankingRules           , InvalidRequest       , BAD_REQUEST ;
 InvalidSettingsSearchableAttributes   , InvalidRequest       , BAD_REQUEST ;
@@ -304,6 +326,7 @@ MissingSwapIndexes                    , InvalidRequest       , BAD_REQUEST ;
 MissingTaskFilters                    , InvalidRequest       , BAD_REQUEST ;
 NoSpaceLeftOnDevice                   , System               , UNPROCESSABLE_ENTITY;
 PayloadTooLarge                       , InvalidRequest       , PAYLOAD_TOO_LARGE ;
+TooManySearchRequests                 , System               , SERVICE_UNAVAILABLE ;
 TaskNotFound                          , InvalidRequest       , NOT_FOUND ;
 TooManyOpenFiles                      , System               , UNPROCESSABLE_ENTITY ;
 TooManyVectors                        , InvalidRequest       , BAD_REQUEST ;
@@ -312,7 +335,8 @@ UnretrievableErrorCode                , InvalidRequest       , BAD_REQUEST ;
 UnsupportedMediaType                  , InvalidRequest       , UNSUPPORTED_MEDIA_TYPE ;
 
 // Experimental features
-VectorEmbeddingError                  , InvalidRequest       , BAD_REQUEST
+VectorEmbeddingError                  , InvalidRequest       , BAD_REQUEST ;
+NotFoundSimilarId                     , InvalidRequest       , BAD_REQUEST
 }
 
 impl ErrorCode for JoinError {
@@ -352,6 +376,7 @@ impl ErrorCode for milli::Error {
                     | UserError::InvalidOpenAiModelDimensions { .. }
                     | UserError::InvalidOpenAiModelDimensionsMax { .. }
                     | UserError::InvalidSettingsDimensions { .. }
+                    | UserError::InvalidUrl { .. }
                     | UserError::InvalidPrompt(_) => Code::InvalidSettingsEmbedders,
                     UserError::TooManyEmbedders(_) => Code::InvalidSettingsEmbedders,
                     UserError::InvalidPromptForEmbeddings(..) => Code::InvalidSettingsEmbedders,
@@ -360,6 +385,7 @@ impl ErrorCode for milli::Error {
                         Code::IndexPrimaryKeyMultipleCandidatesFound
                     }
                     UserError::PrimaryKeyCannotBeChanged(_) => Code::IndexPrimaryKeyAlreadyExists,
+                    UserError::InvalidDistinctAttribute { .. } => Code::InvalidSearchDistinct,
                     UserError::SortRankingRuleMissing => Code::InvalidSearchSort,
                     UserError::InvalidFacetsDistribution { .. } => Code::InvalidSearchFacets,
                     UserError::InvalidSortableAttribute { .. } => Code::InvalidSearchSort,
@@ -372,8 +398,8 @@ impl ErrorCode for milli::Error {
                     UserError::CriterionError(_) => Code::InvalidSettingsRankingRules,
                     UserError::InvalidGeoField { .. } => Code::InvalidDocumentGeoField,
                     UserError::InvalidVectorDimensions { .. } => Code::InvalidVectorDimensions,
-                    UserError::InvalidVectorsMapType { .. } => Code::InvalidVectorsType,
-                    UserError::InvalidVectorsType { .. } => Code::InvalidVectorsType,
+                    UserError::InvalidVectorsMapType { .. }
+                    | UserError::InvalidVectorsEmbedderConf { .. } => Code::InvalidVectorsType,
                     UserError::TooManyVectors(_, _) => Code::TooManyVectors,
                     UserError::SortError(_) => Code::InvalidSearchSort,
                     UserError::InvalidMinTypoWordLenSetting(_, _) => {
@@ -412,7 +438,6 @@ impl ErrorCode for HeedError {
             HeedError::Mdb(_)
             | HeedError::Encoding(_)
             | HeedError::Decoding(_)
-            | HeedError::InvalidDatabaseTyping
             | HeedError::DatabaseClosing
             | HeedError::BadOpenOptions { .. } => Code::Internal,
         }
@@ -477,6 +502,32 @@ impl fmt::Display for deserr_codes::InvalidSearchSemanticRatio {
     }
 }
 
+impl fmt::Display for deserr_codes::InvalidSimilarId {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(
+            f,
+            "the value of `id` is invalid. \
+            A document identifier can be of type integer or string, \
+            only composed of alphanumeric characters (a-z A-Z 0-9), hyphens (-) and underscores (_)."
+        )
+    }
+}
+
+impl fmt::Display for deserr_codes::InvalidSearchRankingScoreThreshold {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(
+            f,
+            "the value of `rankingScoreThreshold` is invalid, expected a float between `0.0` and `1.0`."
+        )
+    }
+}
+
+impl fmt::Display for deserr_codes::InvalidSimilarRankingScoreThreshold {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        deserr_codes::InvalidSearchRankingScoreThreshold.fmt(f)
+    }
+}
+
 #[macro_export]
 macro_rules! internal_error {
     ($target:ty : $($other:path), *) => {

meilisearch-types/src/features.rs

@@ -6,7 +6,6 @@ pub struct RuntimeTogglableFeatures {
     pub vector_store: bool,
     pub metrics: bool,
     pub logs_route: bool,
-    pub export_puffin_reports: bool,
 }
 
 #[derive(Default, Debug, Clone, Copy)]

meilisearch-types/src/settings.rs

@@ -3,11 +3,12 @@ use std::convert::Infallible;
 use std::fmt;
 use std::marker::PhantomData;
 use std::num::NonZeroUsize;
-use std::ops::ControlFlow;
+use std::ops::{ControlFlow, Deref};
 use std::str::FromStr;
 
 use deserr::{DeserializeError, Deserr, ErrorKind, MergeWithError, ValuePointerRef};
 use fst::IntoStreamer;
+use milli::index::IndexEmbeddingConfig;
 use milli::proximity::ProximityPrecision;
 use milli::update::Setting;
 use milli::{Criterion, CriterionError, Index, DEFAULT_VALUES_PER_FACET};
@@ -143,21 +144,13 @@ impl MergeWithError<milli::CriterionError> for DeserrJsonError<InvalidSettingsRa
 )]
 #[deserr(error = DeserrJsonError, rename_all = camelCase, deny_unknown_fields)]
 pub struct Settings<T> {
-    #[serde(
-        default,
-        serialize_with = "serialize_with_wildcard",
-        skip_serializing_if = "Setting::is_not_set"
-    )]
+    #[serde(default, skip_serializing_if = "Setting::is_not_set")]
     #[deserr(default, error = DeserrJsonError<InvalidSettingsDisplayedAttributes>)]
-    pub displayed_attributes: Setting<Vec<String>>,
+    pub displayed_attributes: WildcardSetting,
 
-    #[serde(
-        default,
-        serialize_with = "serialize_with_wildcard",
-        skip_serializing_if = "Setting::is_not_set"
-    )]
+    #[serde(default, skip_serializing_if = "Setting::is_not_set")]
     #[deserr(default, error = DeserrJsonError<InvalidSettingsSearchableAttributes>)]
-    pub searchable_attributes: Setting<Vec<String>>,
+    pub searchable_attributes: WildcardSetting,
 
     #[serde(default, skip_serializing_if = "Setting::is_not_set")]
     #[deserr(default, error = DeserrJsonError<InvalidSettingsFilterableAttributes>)]
@@ -202,17 +195,57 @@ pub struct Settings<T> {
     #[serde(default, skip_serializing_if = "Setting::is_not_set")]
     #[deserr(default, error = DeserrJsonError<InvalidSettingsEmbedders>)]
     pub embedders: Setting<BTreeMap<String, Setting<milli::vector::settings::EmbeddingSettings>>>,
+    #[serde(default, skip_serializing_if = "Setting::is_not_set")]
+    #[deserr(default, error = DeserrJsonError<InvalidSettingsSearchCutoffMs>)]
+    pub search_cutoff_ms: Setting<u64>,
 
     #[serde(skip)]
     #[deserr(skip)]
     pub _kind: PhantomData<T>,
 }
 
+impl<T> Settings<T> {
+    pub fn hide_secrets(&mut self) {
+        let Setting::Set(embedders) = &mut self.embedders else {
+            return;
+        };
+
+        for mut embedder in embedders.values_mut() {
+            let Setting::Set(embedder) = &mut embedder else {
+                continue;
+            };
+
+            let Setting::Set(api_key) = &mut embedder.api_key else {
+                continue;
+            };
+
+            Self::hide_secret(api_key);
+        }
+    }
+
+    fn hide_secret(secret: &mut String) {
+        match secret.len() {
+            x if x < 10 => {
+                secret.replace_range(.., "XXX...");
+            }
+            x if x < 20 => {
+                secret.replace_range(2.., "XXXX...");
+            }
+            x if x < 30 => {
+                secret.replace_range(3.., "XXXXX...");
+            }
+            _x => {
+                secret.replace_range(5.., "XXXXXX...");
+            }
+        }
+    }
+}
+
 impl Settings<Checked> {
     pub fn cleared() -> Settings<Checked> {
         Settings {
-            displayed_attributes: Setting::Reset,
-            searchable_attributes: Setting::Reset,
+            displayed_attributes: Setting::Reset.into(),
+            searchable_attributes: Setting::Reset.into(),
             filterable_attributes: Setting::Reset,
             sortable_attributes: Setting::Reset,
             ranking_rules: Setting::Reset,
@@ -227,6 +260,7 @@ impl Settings<Checked> {
             faceting: Setting::Reset,
             pagination: Setting::Reset,
             embedders: Setting::Reset,
+            search_cutoff_ms: Setting::Reset,
             _kind: PhantomData,
         }
     }
@@ -249,6 +283,7 @@ impl Settings<Checked> {
             faceting,
             pagination,
             embedders,
+            search_cutoff_ms,
             ..
         } = self;
 
@@ -269,6 +304,7 @@ impl Settings<Checked> {
             faceting,
             pagination,
             embedders,
+            search_cutoff_ms,
             _kind: PhantomData,
         }
     }
@@ -276,7 +312,7 @@ impl Settings<Checked> {
 
 impl Settings<Unchecked> {
     pub fn check(self) -> Settings<Checked> {
-        let displayed_attributes = match self.displayed_attributes {
+        let displayed_attributes = match self.displayed_attributes.0 {
             Setting::Set(fields) => {
                 if fields.iter().any(|f| f == "*") {
                     Setting::Reset
@@ -287,7 +323,7 @@ impl Settings<Unchecked> {
             otherwise => otherwise,
         };
 
-        let searchable_attributes = match self.searchable_attributes {
+        let searchable_attributes = match self.searchable_attributes.0 {
             Setting::Set(fields) => {
                 if fields.iter().any(|f| f == "*") {
                     Setting::Reset
@@ -299,8 +335,8 @@ impl Settings<Unchecked> {
         };
 
         Settings {
-            displayed_attributes,
-            searchable_attributes,
+            displayed_attributes: displayed_attributes.into(),
+            searchable_attributes: searchable_attributes.into(),
             filterable_attributes: self.filterable_attributes,
             sortable_attributes: self.sortable_attributes,
             ranking_rules: self.ranking_rules,
@@ -315,6 +351,7 @@ impl Settings<Unchecked> {
             faceting: self.faceting,
             pagination: self.pagination,
             embedders: self.embedders,
+            search_cutoff_ms: self.search_cutoff_ms,
             _kind: PhantomData,
         }
     }
@@ -347,19 +384,40 @@ pub fn apply_settings_to_builder(
     settings: &Settings<Checked>,
     builder: &mut milli::update::Settings,
 ) {
-    match settings.searchable_attributes {
+    let Settings {
+        displayed_attributes,
+        searchable_attributes,
+        filterable_attributes,
+        sortable_attributes,
+        ranking_rules,
+        stop_words,
+        non_separator_tokens,
+        separator_tokens,
+        dictionary,
+        synonyms,
+        distinct_attribute,
+        proximity_precision,
+        typo_tolerance,
+        faceting,
+        pagination,
+        embedders,
+        search_cutoff_ms,
+        _kind,
+    } = settings;
+
+    match searchable_attributes.deref() {
         Setting::Set(ref names) => builder.set_searchable_fields(names.clone()),
         Setting::Reset => builder.reset_searchable_fields(),
         Setting::NotSet => (),
     }
 
-    match settings.displayed_attributes {
+    match displayed_attributes.deref() {
         Setting::Set(ref names) => builder.set_displayed_fields(names.clone()),
         Setting::Reset => builder.reset_displayed_fields(),
         Setting::NotSet => (),
     }
 
-    match settings.filterable_attributes {
+    match filterable_attributes {
         Setting::Set(ref facets) => {
             builder.set_filterable_fields(facets.clone().into_iter().collect())
         }
@@ -367,13 +425,13 @@ pub fn apply_settings_to_builder(
         Setting::NotSet => (),
     }
 
-    match settings.sortable_attributes {
+    match sortable_attributes {
         Setting::Set(ref fields) => builder.set_sortable_fields(fields.iter().cloned().collect()),
         Setting::Reset => builder.reset_sortable_fields(),
         Setting::NotSet => (),
     }
 
-    match settings.ranking_rules {
+    match ranking_rules {
         Setting::Set(ref criteria) => {
             builder.set_criteria(criteria.iter().map(|c| c.clone().into()).collect())
         }
@@ -381,13 +439,13 @@ pub fn apply_settings_to_builder(
         Setting::NotSet => (),
     }
 
-    match settings.stop_words {
+    match stop_words {
         Setting::Set(ref stop_words) => builder.set_stop_words(stop_words.clone()),
         Setting::Reset => builder.reset_stop_words(),
         Setting::NotSet => (),
     }
 
-    match settings.non_separator_tokens {
+    match non_separator_tokens {
         Setting::Set(ref non_separator_tokens) => {
             builder.set_non_separator_tokens(non_separator_tokens.clone())
         }
@@ -395,7 +453,7 @@ pub fn apply_settings_to_builder(
         Setting::NotSet => (),
     }
 
-    match settings.separator_tokens {
+    match separator_tokens {
         Setting::Set(ref separator_tokens) => {
             builder.set_separator_tokens(separator_tokens.clone())
         }
@@ -403,31 +461,31 @@ pub fn apply_settings_to_builder(
         Setting::NotSet => (),
     }
 
-    match settings.dictionary {
+    match dictionary {
         Setting::Set(ref dictionary) => builder.set_dictionary(dictionary.clone()),
         Setting::Reset => builder.reset_dictionary(),
         Setting::NotSet => (),
     }
 
-    match settings.synonyms {
+    match synonyms {
         Setting::Set(ref synonyms) => builder.set_synonyms(synonyms.clone().into_iter().collect()),
         Setting::Reset => builder.reset_synonyms(),
         Setting::NotSet => (),
     }
 
-    match settings.distinct_attribute {
+    match distinct_attribute {
         Setting::Set(ref attr) => builder.set_distinct_field(attr.clone()),
         Setting::Reset => builder.reset_distinct_field(),
         Setting::NotSet => (),
     }
 
-    match settings.proximity_precision {
+    match proximity_precision {
         Setting::Set(ref precision) => builder.set_proximity_precision((*precision).into()),
         Setting::Reset => builder.reset_proximity_precision(),
         Setting::NotSet => (),
     }
 
-    match settings.typo_tolerance {
+    match typo_tolerance {
         Setting::Set(ref value) => {
             match value.enabled {
                 Setting::Set(val) => builder.set_autorize_typos(val),
@@ -482,7 +540,7 @@ pub fn apply_settings_to_builder(
         Setting::NotSet => (),
     }
 
-    match &settings.faceting {
+    match faceting {
         Setting::Set(FacetingSettings { max_values_per_facet, sort_facet_values_by }) => {
             match max_values_per_facet {
                 Setting::Set(val) => builder.set_max_values_per_facet(*val),
@@ -504,7 +562,7 @@ pub fn apply_settings_to_builder(
         Setting::NotSet => (),
     }
 
-    match settings.pagination {
+    match pagination {
         Setting::Set(ref value) => match value.max_total_hits {
             Setting::Set(val) => builder.set_pagination_max_total_hits(val),
             Setting::Reset => builder.reset_pagination_max_total_hits(),
@@ -514,16 +572,28 @@ pub fn apply_settings_to_builder(
         Setting::NotSet => (),
     }
 
-    match settings.embedders.clone() {
-        Setting::Set(value) => builder.set_embedder_settings(value),
+    match embedders {
+        Setting::Set(value) => builder.set_embedder_settings(value.clone()),
         Setting::Reset => builder.reset_embedder_settings(),
         Setting::NotSet => (),
     }
+
+    match search_cutoff_ms {
+        Setting::Set(cutoff) => builder.set_search_cutoff(*cutoff),
+        Setting::Reset => builder.reset_search_cutoff(),
+        Setting::NotSet => (),
+    }
+}
+
+pub enum SecretPolicy {
+    RevealSecrets,
+    HideSecrets,
 }
 
 pub fn settings(
     index: &Index,
     rtxn: &crate::heed::RoTxn,
+    secret_policy: SecretPolicy,
 ) -> Result<Settings<Checked>, milli::Error> {
     let displayed_attributes =
         index.displayed_fields(rtxn)?.map(|fields| fields.into_iter().map(String::from).collect());
@@ -603,19 +673,23 @@ pub fn settings(
     let embedders: BTreeMap<_, _> = index
         .embedding_configs(rtxn)?
         .into_iter()
-        .map(|(name, config)| (name, Setting::Set(config.into())))
+        .map(|IndexEmbeddingConfig { name, config, .. }| (name, Setting::Set(config.into())))
         .collect();
     let embedders = if embedders.is_empty() { Setting::NotSet } else { Setting::Set(embedders) };
 
-    Ok(Settings {
+    let search_cutoff_ms = index.search_cutoff(rtxn)?;
+
+    let mut settings = Settings {
         displayed_attributes: match displayed_attributes {
             Some(attrs) => Setting::Set(attrs),
             None => Setting::Reset,
-        },
+        }
+        .into(),
         searchable_attributes: match searchable_attributes {
             Some(attrs) => Setting::Set(attrs),
             None => Setting::Reset,
-        },
+        }
+        .into(),
         filterable_attributes: Setting::Set(filterable_attributes),
         sortable_attributes: Setting::Set(sortable_attributes),
         ranking_rules: Setting::Set(criteria.iter().map(|c| c.clone().into()).collect()),
@@ -633,8 +707,18 @@ pub fn settings(
         faceting: Setting::Set(faceting),
         pagination: Setting::Set(pagination),
         embedders,
+        search_cutoff_ms: match search_cutoff_ms {
+            Some(cutoff) => Setting::Set(cutoff),
+            None => Setting::Reset,
+        },
         _kind: PhantomData,
-    })
+    };
+
+    if let SecretPolicy::HideSecrets = secret_policy {
+        settings.hide_secrets()
+    }
+
+    Ok(settings)
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Deserr)]
@@ -759,6 +843,41 @@ impl From<ProximityPrecisionView> for ProximityPrecision {
     }
 }
 
+#[derive(Debug, Clone, Default, Deserialize, PartialEq, Eq)]
+pub struct WildcardSetting(Setting<Vec<String>>);
+
+impl From<Setting<Vec<String>>> for WildcardSetting {
+    fn from(setting: Setting<Vec<String>>) -> Self {
+        Self(setting)
+    }
+}
+
+impl Serialize for WildcardSetting {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        serialize_with_wildcard(&self.0, serializer)
+    }
+}
+
+impl<E: deserr::DeserializeError> Deserr<E> for WildcardSetting {
+    fn deserialize_from_value<V: deserr::IntoValue>(
+        value: deserr::Value<V>,
+        location: ValuePointerRef<'_>,
+    ) -> Result<Self, E> {
+        Ok(Self(Setting::deserialize_from_value(value, location)?))
+    }
+}
+
+impl std::ops::Deref for WildcardSetting {
+    type Target = Setting<Vec<String>>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
 #[cfg(test)]
 pub(crate) mod test {
     use super::*;
@@ -767,8 +886,8 @@ pub(crate) mod test {
     fn test_setting_check() {
         // test no changes
         let settings = Settings {
-            displayed_attributes: Setting::Set(vec![String::from("hello")]),
-            searchable_attributes: Setting::Set(vec![String::from("hello")]),
+            displayed_attributes: Setting::Set(vec![String::from("hello")]).into(),
+            searchable_attributes: Setting::Set(vec![String::from("hello")]).into(),
             filterable_attributes: Setting::NotSet,
             sortable_attributes: Setting::NotSet,
             ranking_rules: Setting::NotSet,
@@ -783,6 +902,7 @@ pub(crate) mod test {
             faceting: Setting::NotSet,
             pagination: Setting::NotSet,
             embedders: Setting::NotSet,
+            search_cutoff_ms: Setting::NotSet,
             _kind: PhantomData::<Unchecked>,
         };
 
@@ -793,8 +913,9 @@ pub(crate) mod test {
         // test wildcard
         // test no changes
         let settings = Settings {
-            displayed_attributes: Setting::Set(vec![String::from("*")]),
-            searchable_attributes: Setting::Set(vec![String::from("hello"), String::from("*")]),
+            displayed_attributes: Setting::Set(vec![String::from("*")]).into(),
+            searchable_attributes: Setting::Set(vec![String::from("hello"), String::from("*")])
+                .into(),
             filterable_attributes: Setting::NotSet,
             sortable_attributes: Setting::NotSet,
             ranking_rules: Setting::NotSet,
@@ -809,11 +930,12 @@ pub(crate) mod test {
             faceting: Setting::NotSet,
             pagination: Setting::NotSet,
             embedders: Setting::NotSet,
+            search_cutoff_ms: Setting::NotSet,
             _kind: PhantomData::<Unchecked>,
         };
 
         let checked = settings.check();
-        assert_eq!(checked.displayed_attributes, Setting::Reset);
-        assert_eq!(checked.searchable_attributes, Setting::Reset);
+        assert_eq!(checked.displayed_attributes, Setting::Reset.into());
+        assert_eq!(checked.searchable_attributes, Setting::Reset.into());
     }
 }

meilisearch-types/src/task_view.rs

@@ -86,7 +86,8 @@ impl From<Details> for DetailsView {
                     ..DetailsView::default()
                 }
             }
-            Details::SettingsUpdate { settings } => {
+            Details::SettingsUpdate { mut settings } => {
+                settings.hide_secrets();
                 DetailsView { settings: Some(settings), ..DetailsView::default() }
             }
             Details::IndexInfo { primary_key } => {

meilisearch/Cargo.toml

@@ -14,20 +14,20 @@ default-run = "meilisearch"
 
 [dependencies]
 actix-cors = "0.7.0"
-actix-http = { version = "3.5.1", default-features = false, features = [
+actix-http = { version = "3.7.0", default-features = false, features = [
     "compress-brotli",
     "compress-gzip",
-    "rustls",
+    "rustls-0_21",
 ] }
 actix-utils = "3.0.1"
-actix-web = { version = "4.4.1", default-features = false, features = [
+actix-web = { version = "4.6.0", default-features = false, features = [
     "macros",
     "compress-brotli",
     "compress-gzip",
     "cookies",
-    "rustls",
+    "rustls-0_21",
 ] }
-actix-web-static-files = { git = "https://github.com/kilork/actix-web-static-files.git", rev = "2d3b6160", optional = true }
+actix-web-static-files = { version = "4.0.1", optional = true }
 anyhow = { version = "1.0.79", features = ["backtrace"] }
 async-stream = "0.3.5"
 async-trait = "0.1.77"
@@ -52,7 +52,7 @@ index-scheduler = { path = "../index-scheduler" }
 indexmap = { version = "2.1.0", features = ["serde"] }
 is-terminal = "0.4.10"
 itertools = "0.11.0"
-jsonwebtoken = "8.3.0"
+jsonwebtoken = "9.2.0"
 lazy_static = "1.4.0"
 meilisearch-auth = { path = "../meilisearch-auth" }
 meilisearch-types = { path = "../meilisearch-types" }
@@ -67,7 +67,6 @@ permissive-json-pointer = { path = "../permissive-json-pointer" }
 pin-project-lite = "0.2.13"
 platform-dirs = "0.3.0"
 prometheus = { version = "0.13.3", features = ["process"] }
-puffin = { version = "0.16.0", features = ["serialization"] }
 rand = "0.8.5"
 rayon = "1.8.0"
 regex = "1.10.2"
@@ -75,7 +74,7 @@ reqwest = { version = "0.11.23", features = [
     "rustls-tls",
     "json",
 ], default-features = false }
-rustls = "0.20.8"
+rustls = "0.21.12"
 rustls-pemfile = "1.0.2"
 segment = { version = "0.2.3", optional = true }
 serde = { version = "1.0.195", features = ["derive"] }
@@ -99,27 +98,26 @@ tokio-stream = "0.1.14"
 toml = "0.8.8"
 uuid = { version = "1.6.1", features = ["serde", "v4"] }
 walkdir = "2.4.0"
-yaup = "0.2.1"
 serde_urlencoded = "0.7.1"
 termcolor = "1.4.1"
 url = { version = "2.5.0", features = ["serde"] }
 tracing = "0.1.40"
 tracing-subscriber = { version = "0.3.18", features = ["json"] }
 tracing-trace = { version = "0.1.0", path = "../tracing-trace" }
-tracing-actix-web = "0.7.9"
+tracing-actix-web = "0.7.10"
 build-info = { version = "1.7.0", path = "../build-info" }
 
 [dev-dependencies]
 actix-rt = "2.9.0"
 assert-json-diff = "2.0.2"
-brotli = "3.4.0"
+brotli = "6.0.0"
 insta = "1.34.0"
 manifest-dir-macros = "0.1.18"
 maplit = "1.0.2"
 meili-snap = { path = "../meili-snap" }
 temp-env = "0.3.6"
 urlencoding = "2.1.3"
-yaup = "0.2.1"
+yaup = "0.3.1"
 
 [build-dependencies]
 anyhow = { version = "1.0.79", optional = true }
@@ -149,13 +147,16 @@ mini-dashboard = [
     "zip",
 ]
 chinese = ["meilisearch-types/chinese"]
+chinese-pinyin = ["meilisearch-types/chinese-pinyin"]
 hebrew = ["meilisearch-types/hebrew"]
 japanese = ["meilisearch-types/japanese"]
+korean = ["meilisearch-types/korean"]
 thai = ["meilisearch-types/thai"]
 greek = ["meilisearch-types/greek"]
 khmer = ["meilisearch-types/khmer"]
 vietnamese = ["meilisearch-types/vietnamese"]
+swedish-recomposition = ["meilisearch-types/swedish-recomposition"]
 
 [package.metadata.mini-dashboard]
-assets-url = "https://github.com/meilisearch/mini-dashboard/releases/download/v0.2.13/build.zip"
-sha1 = "e20cc9b390003c6c844f4b8bcc5c5013191a77ff"
+assets-url = "https://github.com/meilisearch/mini-dashboard/releases/download/v0.2.14/build.zip"
+sha1 = "592d1b5a3459d621d0aae1dded8fe3154f5c38fe"

meilisearch/src/analytics/mock_analytics.rs

@@ -7,7 +7,6 @@ use serde_json::Value;
 
 use super::{find_user_id, Analytics, DocumentDeletionKind, DocumentFetchKind};
 use crate::routes::indexes::documents::UpdateDocumentsQuery;
-use crate::routes::tasks::TasksFilterQuery;
 use crate::Opt;
 
 pub struct MockAnalytics {
@@ -26,6 +25,18 @@ impl SearchAggregator {
     pub fn succeed(&mut self, _: &dyn Any) {}
 }
 
+#[derive(Default)]
+pub struct SimilarAggregator;
+
+#[allow(dead_code)]
+impl SimilarAggregator {
+    pub fn from_query(_: &dyn Any, _: &dyn Any) -> Self {
+        Self
+    }
+
+    pub fn succeed(&mut self, _: &dyn Any) {}
+}
+
 #[derive(Default)]
 pub struct MultiSearchAggregator;
 
@@ -67,6 +78,8 @@ impl Analytics for MockAnalytics {
     fn publish(&self, _event_name: String, _send: Value, _request: Option<&HttpRequest>) {}
     fn get_search(&self, _aggregate: super::SearchAggregator) {}
     fn post_search(&self, _aggregate: super::SearchAggregator) {}
+    fn get_similar(&self, _aggregate: super::SimilarAggregator) {}
+    fn post_similar(&self, _aggregate: super::SimilarAggregator) {}
     fn post_multi_search(&self, _aggregate: super::MultiSearchAggregator) {}
     fn post_facet_search(&self, _aggregate: super::FacetSearchAggregator) {}
     fn add_documents(
@@ -86,6 +99,4 @@ impl Analytics for MockAnalytics {
     }
     fn get_fetch_documents(&self, _documents_query: &DocumentFetchKind, _request: &HttpRequest) {}
     fn post_fetch_documents(&self, _documents_query: &DocumentFetchKind, _request: &HttpRequest) {}
-    fn get_tasks(&self, _query: &TasksFilterQuery, _request: &HttpRequest) {}
-    fn health_seen(&self, _request: &HttpRequest) {}
 }

meilisearch/src/analytics/mod.rs

@@ -14,7 +14,6 @@ use platform_dirs::AppDirs;
 use serde_json::Value;
 
 use crate::routes::indexes::documents::UpdateDocumentsQuery;
-use crate::routes::tasks::TasksFilterQuery;
 
 // if the analytics feature is disabled
 // the `SegmentAnalytics` point to the mock instead of the real analytics
@@ -23,6 +22,8 @@ pub type SegmentAnalytics = mock_analytics::MockAnalytics;
 #[cfg(not(feature = "analytics"))]
 pub type SearchAggregator = mock_analytics::SearchAggregator;
 #[cfg(not(feature = "analytics"))]
+pub type SimilarAggregator = mock_analytics::SimilarAggregator;
+#[cfg(not(feature = "analytics"))]
 pub type MultiSearchAggregator = mock_analytics::MultiSearchAggregator;
 #[cfg(not(feature = "analytics"))]
 pub type FacetSearchAggregator = mock_analytics::FacetSearchAggregator;
@@ -33,6 +34,8 @@ pub type SegmentAnalytics = segment_analytics::SegmentAnalytics;
 #[cfg(feature = "analytics")]
 pub type SearchAggregator = segment_analytics::SearchAggregator;
 #[cfg(feature = "analytics")]
+pub type SimilarAggregator = segment_analytics::SimilarAggregator;
+#[cfg(feature = "analytics")]
 pub type MultiSearchAggregator = segment_analytics::MultiSearchAggregator;
 #[cfg(feature = "analytics")]
 pub type FacetSearchAggregator = segment_analytics::FacetSearchAggregator;
@@ -71,8 +74,8 @@ pub enum DocumentDeletionKind {
 
 #[derive(Copy, Clone, Debug, PartialEq, Eq)]
 pub enum DocumentFetchKind {
-    PerDocumentId,
-    Normal { with_filter: bool, limit: usize, offset: usize },
+    PerDocumentId { retrieve_vectors: bool },
+    Normal { with_filter: bool, limit: usize, offset: usize, retrieve_vectors: bool },
 }
 
 pub trait Analytics: Sync + Send {
@@ -87,6 +90,12 @@ pub trait Analytics: Sync + Send {
     /// This method should be called to aggregate a post search
     fn post_search(&self, aggregate: SearchAggregator);
 
+    /// This method should be called to aggregate a get similar request
+    fn get_similar(&self, aggregate: SimilarAggregator);
+
+    /// This method should be called to aggregate a post similar request
+    fn post_similar(&self, aggregate: SimilarAggregator);
+
     /// This method should be called to aggregate a post array of searches
     fn post_multi_search(&self, aggregate: MultiSearchAggregator);
 
@@ -117,10 +126,4 @@ pub trait Analytics: Sync + Send {
         index_creation: bool,
         request: &HttpRequest,
     );
-
-    // this method should be called to aggregate the get tasks requests.
-    fn get_tasks(&self, query: &TasksFilterQuery, request: &HttpRequest);
-
-    // this method should be called to aggregate a add documents request
-    fn health_seen(&self, request: &HttpRequest);
 }

meilisearch/src/analytics/segment_analytics.rs

@@ -33,12 +33,12 @@ use crate::option::{
 };
 use crate::routes::indexes::documents::UpdateDocumentsQuery;
 use crate::routes::indexes::facet_search::FacetSearchQuery;
-use crate::routes::tasks::TasksFilterQuery;
 use crate::routes::{create_all_stats, Stats};
 use crate::search::{
     FacetSearchResult, MatchingStrategy, SearchQuery, SearchQueryWithIndex, SearchResult,
-    DEFAULT_CROP_LENGTH, DEFAULT_CROP_MARKER, DEFAULT_HIGHLIGHT_POST_TAG,
-    DEFAULT_HIGHLIGHT_PRE_TAG, DEFAULT_SEARCH_LIMIT, DEFAULT_SEMANTIC_RATIO,
+    SimilarQuery, SimilarResult, DEFAULT_CROP_LENGTH, DEFAULT_CROP_MARKER,
+    DEFAULT_HIGHLIGHT_POST_TAG, DEFAULT_HIGHLIGHT_PRE_TAG, DEFAULT_SEARCH_LIMIT,
+    DEFAULT_SEMANTIC_RATIO,
 };
 use crate::Opt;
 
@@ -74,6 +74,8 @@ pub enum AnalyticsMsg {
     BatchMessage(Track),
     AggregateGetSearch(SearchAggregator),
     AggregatePostSearch(SearchAggregator),
+    AggregateGetSimilar(SimilarAggregator),
+    AggregatePostSimilar(SimilarAggregator),
     AggregatePostMultiSearch(MultiSearchAggregator),
     AggregatePostFacetSearch(FacetSearchAggregator),
     AggregateAddDocuments(DocumentsAggregator),
@@ -81,8 +83,6 @@ pub enum AnalyticsMsg {
     AggregateUpdateDocuments(DocumentsAggregator),
     AggregateGetFetchDocuments(DocumentsFetchAggregator),
     AggregatePostFetchDocuments(DocumentsFetchAggregator),
-    AggregateTasks(TasksAggregator),
-    AggregateHealth(HealthAggregator),
 }
 
 pub struct SegmentAnalytics {
@@ -152,8 +152,8 @@ impl SegmentAnalytics {
             update_documents_aggregator: DocumentsAggregator::default(),
             get_fetch_documents_aggregator: DocumentsFetchAggregator::default(),
             post_fetch_documents_aggregator: DocumentsFetchAggregator::default(),
-            get_tasks_aggregator: TasksAggregator::default(),
-            health_aggregator: HealthAggregator::default(),
+            get_similar_aggregator: SimilarAggregator::default(),
+            post_similar_aggregator: SimilarAggregator::default(),
         });
         tokio::spawn(segment.run(index_scheduler.clone(), auth_controller.clone()));
 
@@ -189,6 +189,14 @@ impl super::Analytics for SegmentAnalytics {
         let _ = self.sender.try_send(AnalyticsMsg::AggregatePostSearch(aggregate));
     }
 
+    fn get_similar(&self, aggregate: SimilarAggregator) {
+        let _ = self.sender.try_send(AnalyticsMsg::AggregateGetSimilar(aggregate));
+    }
+
+    fn post_similar(&self, aggregate: SimilarAggregator) {
+        let _ = self.sender.try_send(AnalyticsMsg::AggregatePostSimilar(aggregate));
+    }
+
     fn post_facet_search(&self, aggregate: FacetSearchAggregator) {
         let _ = self.sender.try_send(AnalyticsMsg::AggregatePostFacetSearch(aggregate));
     }
@@ -231,16 +239,6 @@ impl super::Analytics for SegmentAnalytics {
         let aggregate = DocumentsFetchAggregator::from_query(documents_query, request);
         let _ = self.sender.try_send(AnalyticsMsg::AggregatePostFetchDocuments(aggregate));
     }
-
-    fn get_tasks(&self, query: &TasksFilterQuery, request: &HttpRequest) {
-        let aggregate = TasksAggregator::from_query(query, request);
-        let _ = self.sender.try_send(AnalyticsMsg::AggregateTasks(aggregate));
-    }
-
-    fn health_seen(&self, request: &HttpRequest) {
-        let aggregate = HealthAggregator::from_query(request);
-        let _ = self.sender.try_send(AnalyticsMsg::AggregateHealth(aggregate));
-    }
 }
 
 /// This structure represent the `infos` field we send in the analytics.
@@ -252,6 +250,7 @@ impl super::Analytics for SegmentAnalytics {
 struct Infos {
     env: String,
     experimental_enable_metrics: bool,
+    experimental_search_queue_size: usize,
     experimental_logs_mode: LogMode,
     experimental_replication_parameters: bool,
     experimental_enable_logs_route: bool,
@@ -293,6 +292,7 @@ impl From<Opt> for Infos {
         let Opt {
             db_path,
             experimental_enable_metrics,
+            experimental_search_queue_size,
             experimental_logs_mode,
             experimental_replication_parameters,
             experimental_enable_logs_route,
@@ -342,6 +342,7 @@ impl From<Opt> for Infos {
         Self {
             env,
             experimental_enable_metrics,
+            experimental_search_queue_size,
             experimental_logs_mode,
             experimental_replication_parameters,
             experimental_enable_logs_route,
@@ -391,8 +392,8 @@ pub struct Segment {
     update_documents_aggregator: DocumentsAggregator,
     get_fetch_documents_aggregator: DocumentsFetchAggregator,
     post_fetch_documents_aggregator: DocumentsFetchAggregator,
-    get_tasks_aggregator: TasksAggregator,
-    health_aggregator: HealthAggregator,
+    get_similar_aggregator: SimilarAggregator,
+    post_similar_aggregator: SimilarAggregator,
 }
 
 impl Segment {
@@ -455,8 +456,8 @@ impl Segment {
                         Some(AnalyticsMsg::AggregateUpdateDocuments(agreg)) => self.update_documents_aggregator.aggregate(agreg),
                         Some(AnalyticsMsg::AggregateGetFetchDocuments(agreg)) => self.get_fetch_documents_aggregator.aggregate(agreg),
                         Some(AnalyticsMsg::AggregatePostFetchDocuments(agreg)) => self.post_fetch_documents_aggregator.aggregate(agreg),
-                        Some(AnalyticsMsg::AggregateTasks(agreg)) => self.get_tasks_aggregator.aggregate(agreg),
-                        Some(AnalyticsMsg::AggregateHealth(agreg)) => self.health_aggregator.aggregate(agreg),
+                        Some(AnalyticsMsg::AggregateGetSimilar(agreg)) => self.get_similar_aggregator.aggregate(agreg),
+                        Some(AnalyticsMsg::AggregatePostSimilar(agreg)) => self.post_similar_aggregator.aggregate(agreg),
                         None => (),
                     }
                 }
@@ -510,8 +511,8 @@ impl Segment {
             update_documents_aggregator,
             get_fetch_documents_aggregator,
             post_fetch_documents_aggregator,
-            get_tasks_aggregator,
-            health_aggregator,
+            get_similar_aggregator,
+            post_similar_aggregator,
         } = self;
 
         if let Some(get_search) =
@@ -559,11 +560,17 @@ impl Segment {
         {
             let _ = self.batcher.push(post_fetch_documents).await;
         }
-        if let Some(get_tasks) = take(get_tasks_aggregator).into_event(user, "Tasks Seen") {
-            let _ = self.batcher.push(get_tasks).await;
+
+        if let Some(get_similar_documents) =
+            take(get_similar_aggregator).into_event(user, "Similar GET")
+        {
+            let _ = self.batcher.push(get_similar_documents).await;
         }
-        if let Some(health) = take(health_aggregator).into_event(user, "Health Seen") {
-            let _ = self.batcher.push(health).await;
+
+        if let Some(post_similar_documents) =
+            take(post_similar_aggregator).into_event(user, "Similar POST")
+        {
+            let _ = self.batcher.push(post_similar_documents).await;
         }
         let _ = self.batcher.flush().await;
     }
@@ -579,6 +586,8 @@ pub struct SearchAggregator {
     // requests
     total_received: usize,
     total_succeeded: usize,
+    total_degraded: usize,
+    total_used_negative_operator: usize,
     time_spent: BinaryHeap<usize>,
 
     // sort
@@ -588,6 +597,9 @@ pub struct SearchAggregator {
     // every time a request has a filter, this field must be incremented by one
     sort_total_number_of_criteria: usize,
 
+    // distinct
+    distinct: bool,
+
     // filter
     filter_with_geo_radius: bool,
     filter_with_geo_bounding_box: bool,
@@ -613,6 +625,7 @@ pub struct SearchAggregator {
     // Whether a non-default embedder was specified
     embedder: bool,
     hybrid: bool,
+    retrieve_vectors: bool,
 
     // every time a search is done, we increment the counter linked to the used settings
     matching_strategy: HashMap<String, usize>,
@@ -639,6 +652,7 @@ pub struct SearchAggregator {
     // scoring
     show_ranking_score: bool,
     show_ranking_score_details: bool,
+    ranking_score_threshold: bool,
 }
 
 impl SearchAggregator {
@@ -652,6 +666,7 @@ impl SearchAggregator {
             page,
             hits_per_page,
             attributes_to_retrieve: _,
+            retrieve_vectors,
             attributes_to_crop: _,
             crop_length,
             attributes_to_highlight: _,
@@ -660,6 +675,7 @@ impl SearchAggregator {
             show_ranking_score_details,
             filter,
             sort,
+            distinct,
             facets: _,
             highlight_pre_tag,
             highlight_post_tag,
@@ -667,6 +683,7 @@ impl SearchAggregator {
             matching_strategy,
             attributes_to_search_on,
             hybrid,
+            ranking_score_threshold,
         } = query;
 
         let mut ret = Self::default();
@@ -681,6 +698,8 @@ impl SearchAggregator {
             ret.sort_sum_of_criteria_terms = sort.len();
         }
 
+        ret.distinct = distinct.is_some();
+
         if let Some(ref filter) = filter {
             static RE: Lazy<Regex> = Lazy::new(|| Regex::new("AND | OR").unwrap());
             ret.filter_total_number_of_criteria = 1;
@@ -717,6 +736,7 @@ impl SearchAggregator {
         if let Some(ref vector) = vector {
             ret.max_vector_size = vector.len();
         }
+        ret.retrieve_vectors |= retrieve_vectors;
 
         if query.is_finite_pagination() {
             let limit = hits_per_page.unwrap_or_else(DEFAULT_SEARCH_LIMIT);
@@ -739,6 +759,7 @@ impl SearchAggregator {
 
         ret.show_ranking_score = *show_ranking_score;
         ret.show_ranking_score_details = *show_ranking_score_details;
+        ret.ranking_score_threshold = ranking_score_threshold.is_some();
 
         if let Some(hybrid) = hybrid {
             ret.semantic_ratio = hybrid.semantic_ratio != DEFAULT_SEMANTIC_RATIO();
@@ -753,14 +774,22 @@ impl SearchAggregator {
         let SearchResult {
             hits: _,
             query: _,
-            vector: _,
             processing_time_ms,
             hits_info: _,
+            semantic_hit_count: _,
             facet_distribution: _,
             facet_stats: _,
+            degraded,
+            used_negative_operator,
         } = result;
 
         self.total_succeeded = self.total_succeeded.saturating_add(1);
+        if *degraded {
+            self.total_degraded = self.total_degraded.saturating_add(1);
+        }
+        if *used_negative_operator {
+            self.total_used_negative_operator = self.total_used_negative_operator.saturating_add(1);
+        }
         self.time_spent.push(*processing_time_ms as usize);
     }
 
@@ -775,6 +804,7 @@ impl SearchAggregator {
             sort_with_geo_point,
             sort_sum_of_criteria_terms,
             sort_total_number_of_criteria,
+            distinct,
             filter_with_geo_radius,
             filter_with_geo_bounding_box,
             filter_sum_of_criteria_terms,
@@ -783,6 +813,7 @@ impl SearchAggregator {
             attributes_to_search_on_total_number_of_uses,
             max_terms_number,
             max_vector_size,
+            retrieve_vectors,
             matching_strategy,
             max_limit,
             max_offset,
@@ -802,6 +833,9 @@ impl SearchAggregator {
             semantic_ratio,
             embedder,
             hybrid,
+            total_degraded,
+            total_used_negative_operator,
+            ranking_score_threshold,
         } = other;
 
         if self.timestamp.is_none() {
@@ -816,6 +850,9 @@ impl SearchAggregator {
         // request
         self.total_received = self.total_received.saturating_add(total_received);
         self.total_succeeded = self.total_succeeded.saturating_add(total_succeeded);
+        self.total_degraded = self.total_degraded.saturating_add(total_degraded);
+        self.total_used_negative_operator =
+            self.total_used_negative_operator.saturating_add(total_used_negative_operator);
         self.time_spent.append(time_spent);
 
         // sort
@@ -825,6 +862,9 @@ impl SearchAggregator {
         self.sort_total_number_of_criteria =
             self.sort_total_number_of_criteria.saturating_add(sort_total_number_of_criteria);
 
+        // distinct
+        self.distinct |= distinct;
+
         // filter
         self.filter_with_geo_radius |= filter_with_geo_radius;
         self.filter_with_geo_bounding_box |= filter_with_geo_bounding_box;
@@ -847,6 +887,7 @@ impl SearchAggregator {
 
         // vector
         self.max_vector_size = self.max_vector_size.max(max_vector_size);
+        self.retrieve_vectors |= retrieve_vectors;
         self.semantic_ratio |= semantic_ratio;
         self.hybrid |= hybrid;
         self.embedder |= embedder;
@@ -882,6 +923,7 @@ impl SearchAggregator {
         // scoring
         self.show_ranking_score |= show_ranking_score;
         self.show_ranking_score_details |= show_ranking_score_details;
+        self.ranking_score_threshold |= ranking_score_threshold;
     }
 
     pub fn into_event(self, user: &User, event_name: &str) -> Option<Track> {
@@ -894,6 +936,7 @@ impl SearchAggregator {
             sort_with_geo_point,
             sort_sum_of_criteria_terms,
             sort_total_number_of_criteria,
+            distinct,
             filter_with_geo_radius,
             filter_with_geo_bounding_box,
             filter_sum_of_criteria_terms,
@@ -902,6 +945,7 @@ impl SearchAggregator {
             attributes_to_search_on_total_number_of_uses,
             max_terms_number,
             max_vector_size,
+            retrieve_vectors,
             matching_strategy,
             max_limit,
             max_offset,
@@ -921,6 +965,9 @@ impl SearchAggregator {
             semantic_ratio,
             embedder,
             hybrid,
+            total_degraded,
+            total_used_negative_operator,
+            ranking_score_threshold,
         } = self;
 
         if total_received == 0 {
@@ -940,11 +987,14 @@ impl SearchAggregator {
                     "total_succeeded": total_succeeded,
                     "total_failed": total_received.saturating_sub(total_succeeded), // just to be sure we never panics
                     "total_received": total_received,
+                    "total_degraded": total_degraded,
+                    "total_used_negative_operator": total_used_negative_operator,
                 },
                 "sort": {
                     "with_geoPoint": sort_with_geo_point,
                     "avg_criteria_number": format!("{:.2}", sort_sum_of_criteria_terms as f64 / sort_total_number_of_criteria as f64),
                 },
+                "distinct": distinct,
                 "filter": {
                    "with_geoRadius": filter_with_geo_radius,
                    "with_geoBoundingBox": filter_with_geo_bounding_box,
@@ -959,6 +1009,7 @@ impl SearchAggregator {
                 },
                 "vector": {
                     "max_vector_size": max_vector_size,
+                    "retrieve_vectors": retrieve_vectors,
                 },
                 "hybrid": {
                     "enabled": hybrid,
@@ -989,6 +1040,7 @@ impl SearchAggregator {
                 "scoring": {
                     "show_ranking_score": show_ranking_score,
                     "show_ranking_score_details": show_ranking_score_details,
+                    "ranking_score_threshold": ranking_score_threshold,
                 },
             });
 
@@ -1046,6 +1098,7 @@ impl MultiSearchAggregator {
                     page: _,
                     hits_per_page: _,
                     attributes_to_retrieve: _,
+                    retrieve_vectors: _,
                     attributes_to_crop: _,
                     crop_length: _,
                     attributes_to_highlight: _,
@@ -1054,6 +1107,7 @@ impl MultiSearchAggregator {
                     show_matches_position: _,
                     filter: _,
                     sort: _,
+                    distinct: _,
                     facets: _,
                     highlight_pre_tag: _,
                     highlight_post_tag: _,
@@ -1061,6 +1115,7 @@ impl MultiSearchAggregator {
                     matching_strategy: _,
                     attributes_to_search_on: _,
                     hybrid: _,
+                    ranking_score_threshold: _,
                 } = query;
 
                 index_uid.as_str()
@@ -1208,6 +1263,7 @@ impl FacetSearchAggregator {
             matching_strategy,
             attributes_to_search_on,
             hybrid,
+            ranking_score_threshold,
         } = query;
 
         let mut ret = Self::default();
@@ -1222,7 +1278,8 @@ impl FacetSearchAggregator {
             || filter.is_some()
             || *matching_strategy != MatchingStrategy::default()
             || attributes_to_search_on.is_some()
-            || hybrid.is_some();
+            || hybrid.is_some()
+            || ranking_score_threshold.is_some();
 
         ret
     }
@@ -1481,176 +1538,6 @@ impl DocumentsDeletionAggregator {
     }
 }
 
-#[derive(Default, Serialize)]
-pub struct TasksAggregator {
-    #[serde(skip)]
-    timestamp: Option<OffsetDateTime>,
-
-    // context
-    #[serde(rename = "user-agent")]
-    user_agents: HashSet<String>,
-
-    filtered_by_uid: bool,
-    filtered_by_index_uid: bool,
-    filtered_by_type: bool,
-    filtered_by_status: bool,
-    filtered_by_canceled_by: bool,
-    filtered_by_before_enqueued_at: bool,
-    filtered_by_after_enqueued_at: bool,
-    filtered_by_before_started_at: bool,
-    filtered_by_after_started_at: bool,
-    filtered_by_before_finished_at: bool,
-    filtered_by_after_finished_at: bool,
-    total_received: usize,
-}
-
-impl TasksAggregator {
-    pub fn from_query(query: &TasksFilterQuery, request: &HttpRequest) -> Self {
-        let TasksFilterQuery {
-            limit: _,
-            from: _,
-            uids,
-            index_uids,
-            types,
-            statuses,
-            canceled_by,
-            before_enqueued_at,
-            after_enqueued_at,
-            before_started_at,
-            after_started_at,
-            before_finished_at,
-            after_finished_at,
-        } = query;
-
-        Self {
-            timestamp: Some(OffsetDateTime::now_utc()),
-            user_agents: extract_user_agents(request).into_iter().collect(),
-            filtered_by_uid: uids.is_some(),
-            filtered_by_index_uid: index_uids.is_some(),
-            filtered_by_type: types.is_some(),
-            filtered_by_status: statuses.is_some(),
-            filtered_by_canceled_by: canceled_by.is_some(),
-            filtered_by_before_enqueued_at: before_enqueued_at.is_some(),
-            filtered_by_after_enqueued_at: after_enqueued_at.is_some(),
-            filtered_by_before_started_at: before_started_at.is_some(),
-            filtered_by_after_started_at: after_started_at.is_some(),
-            filtered_by_before_finished_at: before_finished_at.is_some(),
-            filtered_by_after_finished_at: after_finished_at.is_some(),
-            total_received: 1,
-        }
-    }
-
-    /// Aggregate one [TasksAggregator] into another.
-    pub fn aggregate(&mut self, other: Self) {
-        let Self {
-            timestamp,
-            user_agents,
-            total_received,
-            filtered_by_uid,
-            filtered_by_index_uid,
-            filtered_by_type,
-            filtered_by_status,
-            filtered_by_canceled_by,
-            filtered_by_before_enqueued_at,
-            filtered_by_after_enqueued_at,
-            filtered_by_before_started_at,
-            filtered_by_after_started_at,
-            filtered_by_before_finished_at,
-            filtered_by_after_finished_at,
-        } = other;
-
-        if self.timestamp.is_none() {
-            self.timestamp = timestamp;
-        }
-
-        // we can't create a union because there is no `into_union` method
-        for user_agent in user_agents {
-            self.user_agents.insert(user_agent);
-        }
-
-        self.filtered_by_uid |= filtered_by_uid;
-        self.filtered_by_index_uid |= filtered_by_index_uid;
-        self.filtered_by_type |= filtered_by_type;
-        self.filtered_by_status |= filtered_by_status;
-        self.filtered_by_canceled_by |= filtered_by_canceled_by;
-        self.filtered_by_before_enqueued_at |= filtered_by_before_enqueued_at;
-        self.filtered_by_after_enqueued_at |= filtered_by_after_enqueued_at;
-        self.filtered_by_before_started_at |= filtered_by_before_started_at;
-        self.filtered_by_after_started_at |= filtered_by_after_started_at;
-        self.filtered_by_before_finished_at |= filtered_by_before_finished_at;
-        self.filtered_by_after_finished_at |= filtered_by_after_finished_at;
-        self.filtered_by_after_finished_at |= filtered_by_after_finished_at;
-
-        self.total_received = self.total_received.saturating_add(total_received);
-    }
-
-    pub fn into_event(self, user: &User, event_name: &str) -> Option<Track> {
-        // if we had no timestamp it means we never encountered any events and
-        // thus we don't need to send this event.
-        let timestamp = self.timestamp?;
-
-        Some(Track {
-            timestamp: Some(timestamp),
-            user: user.clone(),
-            event: event_name.to_string(),
-            properties: serde_json::to_value(self).ok()?,
-            ..Default::default()
-        })
-    }
-}
-
-#[derive(Default, Serialize)]
-pub struct HealthAggregator {
-    #[serde(skip)]
-    timestamp: Option<OffsetDateTime>,
-
-    // context
-    #[serde(rename = "user-agent")]
-    user_agents: HashSet<String>,
-
-    #[serde(rename = "requests.total_received")]
-    total_received: usize,
-}
-
-impl HealthAggregator {
-    pub fn from_query(request: &HttpRequest) -> Self {
-        Self {
-            timestamp: Some(OffsetDateTime::now_utc()),
-            user_agents: extract_user_agents(request).into_iter().collect(),
-            total_received: 1,
-        }
-    }
-
-    /// Aggregate one [HealthAggregator] into another.
-    pub fn aggregate(&mut self, other: Self) {
-        let Self { timestamp, user_agents, total_received } = other;
-
-        if self.timestamp.is_none() {
-            self.timestamp = timestamp;
-        }
-
-        // we can't create a union because there is no `into_union` method
-        for user_agent in user_agents {
-            self.user_agents.insert(user_agent);
-        }
-        self.total_received = self.total_received.saturating_add(total_received);
-    }
-
-    pub fn into_event(self, user: &User, event_name: &str) -> Option<Track> {
-        // if we had no timestamp it means we never encountered any events and
-        // thus we don't need to send this event.
-        let timestamp = self.timestamp?;
-
-        Some(Track {
-            timestamp: Some(timestamp),
-            user: user.clone(),
-            event: event_name.to_string(),
-            properties: serde_json::to_value(self).ok()?,
-            ..Default::default()
-        })
-    }
-}
-
 #[derive(Default, Serialize)]
 pub struct DocumentsFetchAggregator {
     #[serde(skip)]
@@ -1668,6 +1555,9 @@ pub struct DocumentsFetchAggregator {
     // if a filter was used
     per_filter: bool,
 
+    #[serde(rename = "vector.retrieve_vectors")]
+    retrieve_vectors: bool,
+
     // pagination
     #[serde(rename = "pagination.max_limit")]
     max_limit: usize,
@@ -1677,18 +1567,21 @@ pub struct DocumentsFetchAggregator {
 
 impl DocumentsFetchAggregator {
     pub fn from_query(query: &DocumentFetchKind, request: &HttpRequest) -> Self {
-        let (limit, offset) = match query {
-            DocumentFetchKind::PerDocumentId => (1, 0),
-            DocumentFetchKind::Normal { limit, offset, .. } => (*limit, *offset),
+        let (limit, offset, retrieve_vectors) = match query {
+            DocumentFetchKind::PerDocumentId { retrieve_vectors } => (1, 0, *retrieve_vectors),
+            DocumentFetchKind::Normal { limit, offset, retrieve_vectors, .. } => {
+                (*limit, *offset, *retrieve_vectors)
+            }
         };
         Self {
             timestamp: Some(OffsetDateTime::now_utc()),
             user_agents: extract_user_agents(request).into_iter().collect(),
             total_received: 1,
-            per_document_id: matches!(query, DocumentFetchKind::PerDocumentId),
+            per_document_id: matches!(query, DocumentFetchKind::PerDocumentId { .. }),
             per_filter: matches!(query, DocumentFetchKind::Normal { with_filter, .. } if *with_filter),
             max_limit: limit,
             max_offset: offset,
+            retrieve_vectors,
         }
     }
 
@@ -1702,6 +1595,7 @@ impl DocumentsFetchAggregator {
             per_filter,
             max_limit,
             max_offset,
+            retrieve_vectors,
         } = other;
 
         if self.timestamp.is_none() {
@@ -1717,6 +1611,8 @@ impl DocumentsFetchAggregator {
 
         self.max_limit = self.max_limit.max(max_limit);
         self.max_offset = self.max_offset.max(max_offset);
+
+        self.retrieve_vectors |= retrieve_vectors;
     }
 
     pub fn into_event(self, user: &User, event_name: &str) -> Option<Track> {
@@ -1733,3 +1629,251 @@ impl DocumentsFetchAggregator {
         })
     }
 }
+
+#[derive(Default)]
+pub struct SimilarAggregator {
+    timestamp: Option<OffsetDateTime>,
+
+    // context
+    user_agents: HashSet<String>,
+
+    // requests
+    total_received: usize,
+    total_succeeded: usize,
+    time_spent: BinaryHeap<usize>,
+
+    // filter
+    filter_with_geo_radius: bool,
+    filter_with_geo_bounding_box: bool,
+    // every time a request has a filter, this field must be incremented by the number of terms it contains
+    filter_sum_of_criteria_terms: usize,
+    // every time a request has a filter, this field must be incremented by one
+    filter_total_number_of_criteria: usize,
+    used_syntax: HashMap<String, usize>,
+
+    // Whether a non-default embedder was specified
+    embedder: bool,
+    retrieve_vectors: bool,
+
+    // pagination
+    max_limit: usize,
+    max_offset: usize,
+
+    // formatting
+    max_attributes_to_retrieve: usize,
+
+    // scoring
+    show_ranking_score: bool,
+    show_ranking_score_details: bool,
+    ranking_score_threshold: bool,
+}
+
+impl SimilarAggregator {
+    #[allow(clippy::field_reassign_with_default)]
+    pub fn from_query(query: &SimilarQuery, request: &HttpRequest) -> Self {
+        let SimilarQuery {
+            id: _,
+            embedder,
+            offset,
+            limit,
+            attributes_to_retrieve: _,
+            retrieve_vectors,
+            show_ranking_score,
+            show_ranking_score_details,
+            filter,
+            ranking_score_threshold,
+        } = query;
+
+        let mut ret = Self::default();
+        ret.timestamp = Some(OffsetDateTime::now_utc());
+
+        ret.total_received = 1;
+        ret.user_agents = extract_user_agents(request).into_iter().collect();
+
+        if let Some(ref filter) = filter {
+            static RE: Lazy<Regex> = Lazy::new(|| Regex::new("AND | OR").unwrap());
+            ret.filter_total_number_of_criteria = 1;
+
+            let syntax = match filter {
+                Value::String(_) => "string".to_string(),
+                Value::Array(values) => {
+                    if values.iter().map(|v| v.to_string()).any(|s| RE.is_match(&s)) {
+                        "mixed".to_string()
+                    } else {
+                        "array".to_string()
+                    }
+                }
+                _ => "none".to_string(),
+            };
+            // convert the string to a HashMap
+            ret.used_syntax.insert(syntax, 1);
+
+            let stringified_filters = filter.to_string();
+            ret.filter_with_geo_radius = stringified_filters.contains("_geoRadius(");
+            ret.filter_with_geo_bounding_box = stringified_filters.contains("_geoBoundingBox(");
+            ret.filter_sum_of_criteria_terms = RE.split(&stringified_filters).count();
+        }
+
+        ret.max_limit = *limit;
+        ret.max_offset = *offset;
+
+        ret.show_ranking_score = *show_ranking_score;
+        ret.show_ranking_score_details = *show_ranking_score_details;
+        ret.ranking_score_threshold = ranking_score_threshold.is_some();
+
+        ret.embedder = embedder.is_some();
+        ret.retrieve_vectors = *retrieve_vectors;
+
+        ret
+    }
+
+    pub fn succeed(&mut self, result: &SimilarResult) {
+        let SimilarResult { id: _, hits: _, processing_time_ms, hits_info: _ } = result;
+
+        self.total_succeeded = self.total_succeeded.saturating_add(1);
+
+        self.time_spent.push(*processing_time_ms as usize);
+    }
+
+    /// Aggregate one [SimilarAggregator] into another.
+    pub fn aggregate(&mut self, mut other: Self) {
+        let Self {
+            timestamp,
+            user_agents,
+            total_received,
+            total_succeeded,
+            ref mut time_spent,
+            filter_with_geo_radius,
+            filter_with_geo_bounding_box,
+            filter_sum_of_criteria_terms,
+            filter_total_number_of_criteria,
+            used_syntax,
+            max_limit,
+            max_offset,
+            max_attributes_to_retrieve,
+            show_ranking_score,
+            show_ranking_score_details,
+            embedder,
+            ranking_score_threshold,
+            retrieve_vectors,
+        } = other;
+
+        if self.timestamp.is_none() {
+            self.timestamp = timestamp;
+        }
+
+        // context
+        for user_agent in user_agents.into_iter() {
+            self.user_agents.insert(user_agent);
+        }
+
+        // request
+        self.total_received = self.total_received.saturating_add(total_received);
+        self.total_succeeded = self.total_succeeded.saturating_add(total_succeeded);
+        self.time_spent.append(time_spent);
+
+        // filter
+        self.filter_with_geo_radius |= filter_with_geo_radius;
+        self.filter_with_geo_bounding_box |= filter_with_geo_bounding_box;
+        self.filter_sum_of_criteria_terms =
+            self.filter_sum_of_criteria_terms.saturating_add(filter_sum_of_criteria_terms);
+        self.filter_total_number_of_criteria =
+            self.filter_total_number_of_criteria.saturating_add(filter_total_number_of_criteria);
+        for (key, value) in used_syntax.into_iter() {
+            let used_syntax = self.used_syntax.entry(key).or_insert(0);
+            *used_syntax = used_syntax.saturating_add(value);
+        }
+
+        self.embedder |= embedder;
+        self.retrieve_vectors |= retrieve_vectors;
+
+        // pagination
+        self.max_limit = self.max_limit.max(max_limit);
+        self.max_offset = self.max_offset.max(max_offset);
+
+        // formatting
+        self.max_attributes_to_retrieve =
+            self.max_attributes_to_retrieve.max(max_attributes_to_retrieve);
+
+        // scoring
+        self.show_ranking_score |= show_ranking_score;
+        self.show_ranking_score_details |= show_ranking_score_details;
+        self.ranking_score_threshold |= ranking_score_threshold;
+    }
+
+    pub fn into_event(self, user: &User, event_name: &str) -> Option<Track> {
+        let Self {
+            timestamp,
+            user_agents,
+            total_received,
+            total_succeeded,
+            time_spent,
+            filter_with_geo_radius,
+            filter_with_geo_bounding_box,
+            filter_sum_of_criteria_terms,
+            filter_total_number_of_criteria,
+            used_syntax,
+            max_limit,
+            max_offset,
+            max_attributes_to_retrieve,
+            show_ranking_score,
+            show_ranking_score_details,
+            embedder,
+            ranking_score_threshold,
+            retrieve_vectors,
+        } = self;
+
+        if total_received == 0 {
+            None
+        } else {
+            // we get all the values in a sorted manner
+            let time_spent = time_spent.into_sorted_vec();
+            // the index of the 99th percentage of value
+            let percentile_99th = time_spent.len() * 99 / 100;
+            // We are only interested by the slowest value of the 99th fastest results
+            let time_spent = time_spent.get(percentile_99th);
+
+            let properties = json!({
+                "user-agent": user_agents,
+                "requests": {
+                    "99th_response_time": time_spent.map(|t| format!("{:.2}", t)),
+                    "total_succeeded": total_succeeded,
+                    "total_failed": total_received.saturating_sub(total_succeeded), // just to be sure we never panics
+                    "total_received": total_received,
+                },
+                "filter": {
+                   "with_geoRadius": filter_with_geo_radius,
+                   "with_geoBoundingBox": filter_with_geo_bounding_box,
+                   "avg_criteria_number": format!("{:.2}", filter_sum_of_criteria_terms as f64 / filter_total_number_of_criteria as f64),
+                   "most_used_syntax": used_syntax.iter().max_by_key(|(_, v)| *v).map(|(k, _)| json!(k)).unwrap_or_else(|| json!(null)),
+                },
+                "vector": {
+                    "retrieve_vectors": retrieve_vectors,
+                },
+                "hybrid": {
+                    "embedder": embedder,
+                },
+                "pagination": {
+                   "max_limit": max_limit,
+                   "max_offset": max_offset,
+                },
+                "formatting": {
+                    "max_attributes_to_retrieve": max_attributes_to_retrieve,
+                },
+                "scoring": {
+                    "show_ranking_score": show_ranking_score,
+                    "show_ranking_score_details": show_ranking_score_details,
+                    "ranking_score_threshold": ranking_score_threshold,
+                },
+            });
+
+            Some(Track {
+                timestamp,
+                user: user.clone(),
+                event: event_name.to_string(),
+                properties,
+                ..Default::default()
+            })
+        }
+    }
+}

meilisearch/src/error.rs

@@ -29,6 +29,10 @@ pub enum MeilisearchHttpError {
     InvalidExpression(&'static [&'static str], Value),
     #[error("A {0} payload is missing.")]
     MissingPayload(PayloadType),
+    #[error("Too many search requests running at the same time: {0}. Retry after 10s.")]
+    TooManySearchRequests(usize),
+    #[error("Internal error: Search limiter is down.")]
+    SearchLimiterIsDown,
     #[error("The provided payload reached the size limit. The maximum accepted payload size is {}.",  Byte::from_bytes(*.0 as u64).get_appropriate_unit(true))]
     PayloadTooLarge(usize),
     #[error("Two indexes must be given for each swap. The list `[{}]` contains {} indexes.",
@@ -69,6 +73,8 @@ impl ErrorCode for MeilisearchHttpError {
             MeilisearchHttpError::EmptyFilter => Code::InvalidDocumentFilter,
             MeilisearchHttpError::InvalidExpression(_, _) => Code::InvalidSearchFilter,
             MeilisearchHttpError::PayloadTooLarge(_) => Code::PayloadTooLarge,
+            MeilisearchHttpError::TooManySearchRequests(_) => Code::TooManySearchRequests,
+            MeilisearchHttpError::SearchLimiterIsDown => Code::Internal,
             MeilisearchHttpError::SwapIndexPayloadWrongLength(_) => Code::InvalidSwapIndexes,
             MeilisearchHttpError::IndexUid(e) => e.error_code(),
             MeilisearchHttpError::SerdeJson(_) => Code::Internal,
@@ -92,14 +98,29 @@ impl From<MeilisearchHttpError> for aweb::Error {
 
 impl From<aweb::error::PayloadError> for MeilisearchHttpError {
     fn from(error: aweb::error::PayloadError) -> Self {
-        MeilisearchHttpError::Payload(PayloadError::Payload(error))
+        match error {
+            aweb::error::PayloadError::Incomplete(_) => MeilisearchHttpError::Payload(
+                PayloadError::Payload(ActixPayloadError::IncompleteError),
+            ),
+            _ => MeilisearchHttpError::Payload(PayloadError::Payload(
+                ActixPayloadError::OtherError(error),
+            )),
+        }
     }
 }
 
+#[derive(Debug, thiserror::Error)]
+pub enum ActixPayloadError {
+    #[error("The provided payload is incomplete and cannot be parsed")]
+    IncompleteError,
+    #[error(transparent)]
+    OtherError(aweb::error::PayloadError),
+}
+
 #[derive(Debug, thiserror::Error)]
 pub enum PayloadError {
     #[error(transparent)]
-    Payload(aweb::error::PayloadError),
+    Payload(ActixPayloadError),
     #[error(transparent)]
     Json(JsonPayloadError),
     #[error(transparent)]
@@ -116,13 +137,15 @@ impl ErrorCode for PayloadError {
     fn error_code(&self) -> Code {
         match self {
             PayloadError::Payload(e) => match e {
-                aweb::error::PayloadError::Incomplete(_) => Code::Internal,
-                aweb::error::PayloadError::EncodingCorrupted => Code::Internal,
-                aweb::error::PayloadError::Overflow => Code::PayloadTooLarge,
-                aweb::error::PayloadError::UnknownLength => Code::Internal,
-                aweb::error::PayloadError::Http2Payload(_) => Code::Internal,
-                aweb::error::PayloadError::Io(_) => Code::Internal,
-                _ => todo!(),
+                ActixPayloadError::IncompleteError => Code::BadRequest,
+                ActixPayloadError::OtherError(error) => match error {
+                    aweb::error::PayloadError::EncodingCorrupted => Code::Internal,
+                    aweb::error::PayloadError::Overflow => Code::PayloadTooLarge,
+                    aweb::error::PayloadError::UnknownLength => Code::Internal,
+                    aweb::error::PayloadError::Http2Payload(_) => Code::Internal,
+                    aweb::error::PayloadError::Io(_) => Code::Internal,
+                    _ => todo!(),
+                },
             },
             PayloadError::Json(err) => match err {
                 JsonPayloadError::Overflow { .. } => Code::PayloadTooLarge,

meilisearch/src/extractors/authentication/mod.rs

@@ -12,6 +12,8 @@ use futures::Future;
 use meilisearch_auth::{AuthController, AuthFilter};
 use meilisearch_types::error::{Code, ResponseError};
 
+use self::policies::AuthError;
+
 pub struct GuardedData<P, D> {
     data: D,
     filters: AuthFilter,
@@ -35,12 +37,12 @@ impl<P, D> GuardedData<P, D> {
         let missing_master_key = auth.get_master_key().is_none();
 
         match Self::authenticate(auth, token, index).await? {
-            Some(filters) => match data {
+            Ok(filters) => match data {
                 Some(data) => Ok(Self { data, filters, _marker: PhantomData }),
                 None => Err(AuthenticationError::IrretrievableState.into()),
             },
-            None if missing_master_key => Err(AuthenticationError::MissingMasterKey.into()),
-            None => Err(AuthenticationError::InvalidToken.into()),
+            Err(_) if missing_master_key => Err(AuthenticationError::MissingMasterKey.into()),
+            Err(e) => Err(ResponseError::from_msg(e.to_string(), Code::InvalidApiKey)),
         }
     }
 
@@ -51,12 +53,12 @@ impl<P, D> GuardedData<P, D> {
         let missing_master_key = auth.get_master_key().is_none();
 
         match Self::authenticate(auth, String::new(), None).await? {
-            Some(filters) => match data {
+            Ok(filters) => match data {
                 Some(data) => Ok(Self { data, filters, _marker: PhantomData }),
                 None => Err(AuthenticationError::IrretrievableState.into()),
             },
-            None if missing_master_key => Err(AuthenticationError::MissingMasterKey.into()),
-            None => Err(AuthenticationError::MissingAuthorizationHeader.into()),
+            Err(_) if missing_master_key => Err(AuthenticationError::MissingMasterKey.into()),
+            Err(_) => Err(AuthenticationError::MissingAuthorizationHeader.into()),
         }
     }
 
@@ -64,7 +66,7 @@ impl<P, D> GuardedData<P, D> {
         auth: Data<AuthController>,
         token: String,
         index: Option<String>,
-    ) -> Result<Option<AuthFilter>, ResponseError>
+    ) -> Result<Result<AuthFilter, AuthError>, ResponseError>
     where
         P: Policy + 'static,
     {
@@ -127,13 +129,14 @@ pub trait Policy {
         auth: Data<AuthController>,
         token: &str,
         index: Option<&str>,
-    ) -> Option<AuthFilter>;
+    ) -> Result<AuthFilter, policies::AuthError>;
 }
 
 pub mod policies {
     use actix_web::web::Data;
     use jsonwebtoken::{decode, Algorithm, DecodingKey, Validation};
     use meilisearch_auth::{AuthController, AuthFilter, SearchRules};
+    use meilisearch_types::error::{Code, ErrorCode};
     // reexport actions in policies in order to be used in routes configuration.
     pub use meilisearch_types::keys::{actions, Action};
     use serde::{Deserialize, Serialize};
@@ -144,11 +147,53 @@ pub mod policies {
 
     enum TenantTokenOutcome {
         NotATenantToken,
-        Invalid,
-        Expired,
         Valid(Uuid, SearchRules),
     }
 
+    #[derive(thiserror::Error, Debug)]
+    pub enum AuthError {
+        #[error("Tenant token expired. Was valid up to `{exp}` and we're now `{now}`.")]
+        ExpiredTenantToken { exp: i64, now: i64 },
+        #[error("The provided API key is invalid.")]
+        InvalidApiKey,
+        #[error("The provided tenant token cannot acces the index `{index}`, allowed indexes are {allowed:?}.")]
+        TenantTokenAccessingnUnauthorizedIndex { index: String, allowed: Vec<String> },
+        #[error(
+            "The API key used to generate this tenant token cannot acces the index `{index}`."
+        )]
+        TenantTokenApiKeyAccessingnUnauthorizedIndex { index: String },
+        #[error(
+            "The API key cannot acces the index `{index}`, authorized indexes are {allowed:?}."
+        )]
+        ApiKeyAccessingnUnauthorizedIndex { index: String, allowed: Vec<String> },
+        #[error("The provided tenant token is invalid.")]
+        InvalidTenantToken,
+        #[error("Could not decode tenant token, {0}.")]
+        CouldNotDecodeTenantToken(jsonwebtoken::errors::Error),
+        #[error("Invalid action `{0}`.")]
+        InternalInvalidAction(u8),
+    }
+
+    impl From<jsonwebtoken::errors::Error> for AuthError {
+        fn from(error: jsonwebtoken::errors::Error) -> Self {
+            use jsonwebtoken::errors::ErrorKind;
+
+            match error.kind() {
+                ErrorKind::InvalidToken => AuthError::InvalidTenantToken,
+                _ => AuthError::CouldNotDecodeTenantToken(error),
+            }
+        }
+    }
+
+    impl ErrorCode for AuthError {
+        fn error_code(&self) -> Code {
+            match self {
+                AuthError::InternalInvalidAction(_) => Code::Internal,
+                _ => Code::InvalidApiKey,
+            }
+        }
+    }
+
     fn tenant_token_validation() -> Validation {
         let mut validation = Validation::default();
         validation.validate_exp = false;
@@ -158,15 +203,15 @@ pub mod policies {
     }
 
     /// Extracts the key id used to sign the payload, without performing any validation.
-    fn extract_key_id(token: &str) -> Option<Uuid> {
+    fn extract_key_id(token: &str) -> Result<Uuid, AuthError> {
         let mut validation = tenant_token_validation();
         validation.insecure_disable_signature_validation();
         let dummy_key = DecodingKey::from_secret(b"secret");
-        let token_data = decode::<Claims>(token, &dummy_key, &validation).ok()?;
+        let token_data = decode::<Claims>(token, &dummy_key, &validation)?;
 
         // get token fields without validating it.
         let Claims { api_key_uid, .. } = token_data.claims;
-        Some(api_key_uid)
+        Ok(api_key_uid)
     }
 
     fn is_keys_action(action: u8) -> bool {
@@ -187,76 +232,102 @@ pub mod policies {
             auth: Data<AuthController>,
             token: &str,
             index: Option<&str>,
-        ) -> Option<AuthFilter> {
+        ) -> Result<AuthFilter, AuthError> {
             // authenticate if token is the master key.
             // Without a master key, all routes are accessible except the key-related routes.
             if auth.get_master_key().map_or_else(|| !is_keys_action(A), |mk| mk == token) {
-                return Some(AuthFilter::default());
+                return Ok(AuthFilter::default());
             }
 
             let (key_uuid, search_rules) =
                 match ActionPolicy::<A>::authenticate_tenant_token(&auth, token) {
-                    TenantTokenOutcome::Valid(key_uuid, search_rules) => {
+                    Ok(TenantTokenOutcome::Valid(key_uuid, search_rules)) => {
                         (key_uuid, Some(search_rules))
                     }
-                    TenantTokenOutcome::Expired => return None,
-                    TenantTokenOutcome::Invalid => return None,
-                    TenantTokenOutcome::NotATenantToken => {
-                        (auth.get_optional_uid_from_encoded_key(token.as_bytes()).ok()??, None)
-                    }
+                    Ok(TenantTokenOutcome::NotATenantToken)
+                    | Err(AuthError::InvalidTenantToken) => (
+                        auth.get_optional_uid_from_encoded_key(token.as_bytes())
+                            .map_err(|_e| AuthError::InvalidApiKey)?
+                            .ok_or(AuthError::InvalidApiKey)?,
+                        None,
+                    ),
+                    Err(e) => return Err(e),
                 };
 
             // check that the indexes are allowed
-            let action = Action::from_repr(A)?;
-            let auth_filter = auth.get_key_filters(key_uuid, search_rules).ok()?;
-            if auth.is_key_authorized(key_uuid, action, index).unwrap_or(false)
-                && index.map(|index| auth_filter.is_index_authorized(index)).unwrap_or(true)
-            {
-                return Some(auth_filter);
+            let action = Action::from_repr(A).ok_or(AuthError::InternalInvalidAction(A))?;
+            let auth_filter = auth
+                .get_key_filters(key_uuid, search_rules)
+                .map_err(|_e| AuthError::InvalidApiKey)?;
+
+            // First check if the index is authorized in the tenant token, this is a public
+            // information, we can return a nice error message.
+            if let Some(index) = index {
+                if !auth_filter.tenant_token_is_index_authorized(index) {
+                    return Err(AuthError::TenantTokenAccessingnUnauthorizedIndex {
+                        index: index.to_string(),
+                        allowed: auth_filter.tenant_token_list_index_authorized(),
+                    });
+                }
+                if !auth_filter.api_key_is_index_authorized(index) {
+                    if auth_filter.is_tenant_token() {
+                        // If the error comes from a tenant token we cannot share the list
+                        // of authorized indexes in the API key. This is not public information.
+                        return Err(AuthError::TenantTokenApiKeyAccessingnUnauthorizedIndex {
+                            index: index.to_string(),
+                        });
+                    } else {
+                        // Otherwise we can share the list
+                        // of authorized indexes in the API key.
+                        return Err(AuthError::ApiKeyAccessingnUnauthorizedIndex {
+                            index: index.to_string(),
+                            allowed: auth_filter.api_key_list_index_authorized(),
+                        });
+                    }
+                }
+            }
+            if auth.is_key_authorized(key_uuid, action, index).unwrap_or(false) {
+                return Ok(auth_filter);
             }
 
-            None
+            Err(AuthError::InvalidApiKey)
         }
     }
 
     impl<const A: u8> ActionPolicy<A> {
-        fn authenticate_tenant_token(auth: &AuthController, token: &str) -> TenantTokenOutcome {
+        fn authenticate_tenant_token(
+            auth: &AuthController,
+            token: &str,
+        ) -> Result<TenantTokenOutcome, AuthError> {
             // Only search action can be accessed by a tenant token.
             if A != actions::SEARCH {
-                return TenantTokenOutcome::NotATenantToken;
+                return Ok(TenantTokenOutcome::NotATenantToken);
             }
 
-            let uid = if let Some(uid) = extract_key_id(token) {
-                uid
-            } else {
-                return TenantTokenOutcome::NotATenantToken;
-            };
+            let uid = extract_key_id(token)?;
 
             // Check if tenant token is valid.
             let key = if let Some(key) = auth.generate_key(uid) {
                 key
             } else {
-                return TenantTokenOutcome::Invalid;
+                return Err(AuthError::InvalidTenantToken);
             };
 
-            let data = if let Ok(data) = decode::<Claims>(
+            let data = decode::<Claims>(
                 token,
                 &DecodingKey::from_secret(key.as_bytes()),
                 &tenant_token_validation(),
-            ) {
-                data
-            } else {
-                return TenantTokenOutcome::Invalid;
-            };
+            )?;
 
             // Check if token is expired.
             if let Some(exp) = data.claims.exp {
-                if OffsetDateTime::now_utc().unix_timestamp() > exp {
-                    return TenantTokenOutcome::Expired;
+                let now = OffsetDateTime::now_utc().unix_timestamp();
+                if now > exp {
+                    return Err(AuthError::ExpiredTenantToken { exp, now });
                 }
             }
 
-            TenantTokenOutcome::Valid(uid, data.claims.search_rules)
+            Ok(TenantTokenOutcome::Valid(uid, data.claims.search_rules))
         }
     }
 

meilisearch/src/lib.rs

@@ -9,12 +9,14 @@ pub mod middleware;
 pub mod option;
 pub mod routes;
 pub mod search;
+pub mod search_queue;
 
 use std::fs::File;
 use std::io::{BufReader, BufWriter};
+use std::num::NonZeroUsize;
 use std::path::Path;
 use std::sync::Arc;
-use std::thread;
+use std::thread::{self, available_parallelism};
 use std::time::Duration;
 
 use actix_cors::Cors;
@@ -38,6 +40,7 @@ use meilisearch_types::versioning::{check_version_file, create_version_file};
 use meilisearch_types::{compression, milli, VERSION_FILE_NAME};
 pub use option::Opt;
 use option::ScheduleSnapshot;
+use search_queue::SearchQueue;
 use tracing::{error, info_span};
 use tracing_subscriber::filter::Targets;
 
@@ -469,10 +472,15 @@ pub fn configure_data(
     (logs_route, logs_stderr): (LogRouteHandle, LogStderrHandle),
     analytics: Arc<dyn Analytics>,
 ) {
+    let search_queue = SearchQueue::new(
+        opt.experimental_search_queue_size,
+        available_parallelism().unwrap_or(NonZeroUsize::new(2).unwrap()),
+    );
     let http_payload_size_limit = opt.http_payload_size_limit.get_bytes() as usize;
     config
         .app_data(index_scheduler)
         .app_data(auth)
+        .app_data(web::Data::new(search_queue))
         .app_data(web::Data::from(analytics))
         .app_data(web::Data::new(logs_route))
         .app_data(web::Data::new(logs_stderr))

meilisearch/src/main.rs

@@ -151,7 +151,7 @@ async fn run_http(
     .keep_alive(KeepAlive::Os);
 
     if let Some(config) = opt_clone.get_ssl_config()? {
-        http_server.bind_rustls(opt_clone.http_addr, config)?.run().await?;
+        http_server.bind_rustls_021(opt_clone.http_addr, config)?.run().await?;
     } else {
         http_server.bind(&opt_clone.http_addr)?.run().await?;
     }

meilisearch/src/metrics.rs

@@ -4,24 +4,17 @@ use prometheus::{
     register_int_gauge_vec, HistogramVec, IntCounterVec, IntGauge, IntGaugeVec,
 };
 
-/// Create evenly distributed buckets
-fn create_buckets() -> [f64; 29] {
-    (0..10)
-        .chain((10..100).step_by(10))
-        .chain((100..=1000).step_by(100))
-        .map(|i| i as f64 / 1000.)
-        .collect::<Vec<_>>()
-        .try_into()
-        .unwrap()
-}
-
 lazy_static! {
-    pub static ref MEILISEARCH_HTTP_RESPONSE_TIME_CUSTOM_BUCKETS: [f64; 29] = create_buckets();
     pub static ref MEILISEARCH_HTTP_REQUESTS_TOTAL: IntCounterVec = register_int_counter_vec!(
         opts!("meilisearch_http_requests_total", "Meilisearch HTTP requests total"),
-        &["method", "path"]
+        &["method", "path", "status"]
     )
     .expect("Can't create a metric");
+    pub static ref MEILISEARCH_DEGRADED_SEARCH_REQUESTS: IntGauge = register_int_gauge!(opts!(
+        "meilisearch_degraded_search_requests",
+        "Meilisearch number of degraded search requests"
+    ))
+    .expect("Can't create a metric");
     pub static ref MEILISEARCH_DB_SIZE_BYTES: IntGauge =
         register_int_gauge!(opts!("meilisearch_db_size_bytes", "Meilisearch DB Size In Bytes"))
             .expect("Can't create a metric");
@@ -42,7 +35,7 @@ lazy_static! {
         "meilisearch_http_response_time_seconds",
         "Meilisearch HTTP response times",
         &["method", "path"],
-        MEILISEARCH_HTTP_RESPONSE_TIME_CUSTOM_BUCKETS.to_vec()
+        vec![0.005, 0.01, 0.025, 0.05, 0.075, 0.1, 0.25, 0.5, 0.75, 1.0, 2.5, 5.0, 7.5, 10.0]
     )
     .expect("Can't create a metric");
     pub static ref MEILISEARCH_NB_TASKS: IntGaugeVec = register_int_gauge_vec!(

meilisearch/src/middleware.rs

@@ -59,15 +59,14 @@ where
             let request_path = req.path();
             let is_registered_resource = req.resource_map().has_resource(request_path);
             if is_registered_resource {
+                let request_pattern = req.match_pattern();
+                let metric_path = request_pattern.as_ref().map_or(request_path, String::as_str);
                 let request_method = req.method().to_string();
                 histogram_timer = Some(
                     crate::metrics::MEILISEARCH_HTTP_RESPONSE_TIME_SECONDS
-                        .with_label_values(&[&request_method, request_path])
+                        .with_label_values(&[&request_method, metric_path])
                         .start_timer(),
                 );
-                crate::metrics::MEILISEARCH_HTTP_REQUESTS_TOTAL
-                    .with_label_values(&[&request_method, request_path])
-                    .inc();
             }
         };
 
@@ -76,6 +75,14 @@ where
         Box::pin(async move {
             let res = fut.await?;
 
+            crate::metrics::MEILISEARCH_HTTP_REQUESTS_TOTAL
+                .with_label_values(&[
+                    res.request().method().as_str(),
+                    res.request().path(),
+                    res.status().as_str(),
+                ])
+                .inc();
+
             if let Some(histogram_timer) = histogram_timer {
                 histogram_timer.observe_duration();
             };

meilisearch/src/option.rs

@@ -13,6 +13,7 @@ use byte_unit::{Byte, ByteError};
 use clap::Parser;
 use meilisearch_types::features::InstanceTogglableFeatures;
 use meilisearch_types::milli::update::IndexerConfig;
+use meilisearch_types::milli::ThreadPoolNoAbortBuilder;
 use rustls::server::{
     AllowAnyAnonymousOrAuthenticatedClient, AllowAnyAuthenticatedClient, ServerSessionMemoryCache,
 };
@@ -54,6 +55,7 @@ const MEILI_EXPERIMENTAL_LOGS_MODE: &str = "MEILI_EXPERIMENTAL_LOGS_MODE";
 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_ENABLE_METRICS: &str = "MEILI_EXPERIMENTAL_ENABLE_METRICS";
+const MEILI_EXPERIMENTAL_SEARCH_QUEUE_SIZE: &str = "MEILI_EXPERIMENTAL_SEARCH_QUEUE_SIZE";
 const MEILI_EXPERIMENTAL_REDUCE_INDEXING_MEMORY_USAGE: &str =
     "MEILI_EXPERIMENTAL_REDUCE_INDEXING_MEMORY_USAGE";
 const MEILI_EXPERIMENTAL_MAX_NUMBER_OF_BATCHED_TASKS: &str =
@@ -344,6 +346,15 @@ pub struct Opt {
     #[serde(default)]
     pub experimental_enable_metrics: bool,
 
+    /// Experimental search queue size. For more information, see: <https://github.com/orgs/meilisearch/discussions/729>
+    ///
+    /// Lets you customize the size of the search queue. Meilisearch processes your search requests as fast as possible but once the
+    /// queue is full it starts returning HTTP 503, Service Unavailable.
+    /// The default value is 1000.
+    #[clap(long, env = MEILI_EXPERIMENTAL_SEARCH_QUEUE_SIZE, default_value_t = 1000)]
+    #[serde(default)]
+    pub experimental_search_queue_size: usize,
+
     /// Experimental logs mode feature. For more information, see: <https://github.com/orgs/meilisearch/discussions/723>
     ///
     /// Change the mode of the logs on the console.
@@ -473,6 +484,7 @@ impl Opt {
             #[cfg(feature = "analytics")]
             no_analytics,
             experimental_enable_metrics,
+            experimental_search_queue_size,
             experimental_logs_mode,
             experimental_enable_logs_route,
             experimental_replication_parameters,
@@ -532,6 +544,10 @@ impl Opt {
             MEILI_EXPERIMENTAL_ENABLE_METRICS,
             experimental_enable_metrics.to_string(),
         );
+        export_to_env_if_not_present(
+            MEILI_EXPERIMENTAL_SEARCH_QUEUE_SIZE,
+            experimental_search_queue_size.to_string(),
+        );
         export_to_env_if_not_present(
             MEILI_EXPERIMENTAL_LOGS_MODE,
             experimental_logs_mode.to_string(),
@@ -564,11 +580,11 @@ impl Opt {
                     }
                     if self.ssl_require_auth {
                         let verifier = AllowAnyAuthenticatedClient::new(client_auth_roots);
-                        config.with_client_cert_verifier(verifier)
+                        config.with_client_cert_verifier(Arc::from(verifier))
                     } else {
                         let verifier =
                             AllowAnyAnonymousOrAuthenticatedClient::new(client_auth_roots);
-                        config.with_client_cert_verifier(verifier)
+                        config.with_client_cert_verifier(Arc::from(verifier))
                     }
                 }
                 None => config.with_no_client_auth(),
@@ -651,7 +667,7 @@ impl TryFrom<&IndexerOpts> for IndexerConfig {
     type Error = anyhow::Error;
 
     fn try_from(other: &IndexerOpts) -> Result<Self, Self::Error> {
-        let thread_pool = rayon::ThreadPoolBuilder::new()
+        let thread_pool = ThreadPoolNoAbortBuilder::new()
             .thread_name(|index| format!("indexing-thread:{index}"))
             .num_threads(*other.max_indexing_threads)
             .build()?;

meilisearch/src/routes/features.rs

@@ -47,8 +47,6 @@ pub struct RuntimeTogglableFeatures {
     pub metrics: Option<bool>,
     #[deserr(default)]
     pub logs_route: Option<bool>,
-    #[deserr(default)]
-    pub export_puffin_reports: Option<bool>,
 }
 
 async fn patch_features(
@@ -68,21 +66,13 @@ async fn patch_features(
         vector_store: new_features.0.vector_store.unwrap_or(old_features.vector_store),
         metrics: new_features.0.metrics.unwrap_or(old_features.metrics),
         logs_route: new_features.0.logs_route.unwrap_or(old_features.logs_route),
-        export_puffin_reports: new_features
-            .0
-            .export_puffin_reports
-            .unwrap_or(old_features.export_puffin_reports),
     };
 
     // explicitly destructure for analytics rather than using the `Serialize` implementation, because
     // 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 {
-        vector_store,
-        metrics,
-        logs_route,
-        export_puffin_reports,
-    } = new_features;
+    let meilisearch_types::features::RuntimeTogglableFeatures { vector_store, metrics, logs_route } =
+        new_features;
 
     analytics.publish(
         "Experimental features Updated".to_string(),
@@ -90,7 +80,6 @@ async fn patch_features(
             "vector_store": vector_store,
             "metrics": metrics,
             "logs_route": logs_route,
-            "export_puffin_reports": export_puffin_reports,
         }),
         Some(&req),
     );

meilisearch/src/routes/indexes/documents.rs

@@ -16,6 +16,7 @@ use meilisearch_types::error::{Code, ResponseError};
 use meilisearch_types::heed::RoTxn;
 use meilisearch_types::index_uid::IndexUid;
 use meilisearch_types::milli::update::IndexDocumentsMethod;
+use meilisearch_types::milli::vector::parsed_vectors::ExplicitVectors;
 use meilisearch_types::milli::DocumentId;
 use meilisearch_types::star_or::OptionStarOrList;
 use meilisearch_types::tasks::KindWithContent;
@@ -39,7 +40,7 @@ use crate::extractors::sequential_extractor::SeqHandler;
 use crate::routes::{
     get_task_id, is_dry_run, PaginationView, SummarizedTaskView, PAGINATION_DEFAULT_LIMIT,
 };
-use crate::search::parse_filter;
+use crate::search::{parse_filter, RetrieveVectors};
 use crate::Opt;
 
 static ACCEPTED_CONTENT_TYPE: Lazy<Vec<String>> = Lazy::new(|| {
@@ -94,6 +95,8 @@ pub fn configure(cfg: &mut web::ServiceConfig) {
 pub struct GetDocument {
     #[deserr(default, error = DeserrQueryParamError<InvalidDocumentFields>)]
     fields: OptionStarOrList<String>,
+    #[deserr(default, error = DeserrQueryParamError<InvalidDocumentRetrieveVectors>)]
+    retrieve_vectors: Param<bool>,
 }
 
 pub async fn get_document(
@@ -107,13 +110,20 @@ pub async fn get_document(
     debug!(parameters = ?params, "Get document");
     let index_uid = IndexUid::try_from(index_uid)?;
 
-    analytics.get_fetch_documents(&DocumentFetchKind::PerDocumentId, &req);
-
-    let GetDocument { fields } = params.into_inner();
+    let GetDocument { fields, retrieve_vectors: param_retrieve_vectors } = params.into_inner();
     let attributes_to_retrieve = fields.merge_star_and_none();
 
+    let features = index_scheduler.features();
+    let retrieve_vectors = RetrieveVectors::new(param_retrieve_vectors.0, features)?;
+
+    analytics.get_fetch_documents(
+        &DocumentFetchKind::PerDocumentId { retrieve_vectors: param_retrieve_vectors.0 },
+        &req,
+    );
+
     let index = index_scheduler.index(&index_uid)?;
-    let document = retrieve_document(&index, &document_id, attributes_to_retrieve)?;
+    let document =
+        retrieve_document(&index, &document_id, attributes_to_retrieve, retrieve_vectors)?;
     debug!(returns = ?document, "Get document");
     Ok(HttpResponse::Ok().json(document))
 }
@@ -153,6 +163,8 @@ pub struct BrowseQueryGet {
     limit: Param<usize>,
     #[deserr(default, error = DeserrQueryParamError<InvalidDocumentFields>)]
     fields: OptionStarOrList<String>,
+    #[deserr(default, error = DeserrQueryParamError<InvalidDocumentRetrieveVectors>)]
+    retrieve_vectors: Param<bool>,
     #[deserr(default, error = DeserrQueryParamError<InvalidDocumentFilter>)]
     filter: Option<String>,
 }
@@ -166,6 +178,8 @@ pub struct BrowseQuery {
     limit: usize,
     #[deserr(default, error = DeserrJsonError<InvalidDocumentFields>)]
     fields: Option<Vec<String>>,
+    #[deserr(default, error = DeserrJsonError<InvalidDocumentRetrieveVectors>)]
+    retrieve_vectors: bool,
     #[deserr(default, error = DeserrJsonError<InvalidDocumentFilter>)]
     filter: Option<Value>,
 }
@@ -185,6 +199,7 @@ pub async fn documents_by_query_post(
             with_filter: body.filter.is_some(),
             limit: body.limit,
             offset: body.offset,
+            retrieve_vectors: body.retrieve_vectors,
         },
         &req,
     );
@@ -201,7 +216,7 @@ pub async fn get_documents(
 ) -> Result<HttpResponse, ResponseError> {
     debug!(parameters = ?params, "Get documents GET");
 
-    let BrowseQueryGet { limit, offset, fields, filter } = params.into_inner();
+    let BrowseQueryGet { limit, offset, fields, retrieve_vectors, filter } = params.into_inner();
 
     let filter = match filter {
         Some(f) => match serde_json::from_str(&f) {
@@ -215,6 +230,7 @@ pub async fn get_documents(
         offset: offset.0,
         limit: limit.0,
         fields: fields.merge_star_and_none(),
+        retrieve_vectors: retrieve_vectors.0,
         filter,
     };
 
@@ -223,6 +239,7 @@ pub async fn get_documents(
             with_filter: query.filter.is_some(),
             limit: query.limit,
             offset: query.offset,
+            retrieve_vectors: query.retrieve_vectors,
         },
         &req,
     );
@@ -236,10 +253,14 @@ fn documents_by_query(
     query: BrowseQuery,
 ) -> Result<HttpResponse, ResponseError> {
     let index_uid = IndexUid::try_from(index_uid.into_inner())?;
-    let BrowseQuery { offset, limit, fields, filter } = query;
+    let BrowseQuery { offset, limit, fields, retrieve_vectors, filter } = query;
+
+    let features = index_scheduler.features();
+    let retrieve_vectors = RetrieveVectors::new(retrieve_vectors, features)?;
 
     let index = index_scheduler.index(&index_uid)?;
-    let (total, documents) = retrieve_documents(&index, offset, limit, filter, fields)?;
+    let (total, documents) =
+        retrieve_documents(&index, offset, limit, filter, fields, retrieve_vectors)?;
 
     let ret = PaginationView::new(offset, limit, total as usize, documents);
 
@@ -579,13 +600,44 @@ fn some_documents<'a, 't: 'a>(
     index: &'a Index,
     rtxn: &'t RoTxn,
     doc_ids: impl IntoIterator<Item = DocumentId> + 'a,
+    retrieve_vectors: RetrieveVectors,
 ) -> Result<impl Iterator<Item = Result<Document, ResponseError>> + 'a, ResponseError> {
     let fields_ids_map = index.fields_ids_map(rtxn)?;
     let all_fields: Vec<_> = fields_ids_map.iter().map(|(id, _)| id).collect();
+    let embedding_configs = index.embedding_configs(rtxn)?;
 
     Ok(index.iter_documents(rtxn, doc_ids)?.map(move |ret| {
-        ret.map_err(ResponseError::from).and_then(|(_key, document)| -> Result<_, ResponseError> {
-            Ok(milli::obkv_to_json(&all_fields, &fields_ids_map, document)?)
+        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::Ignore => {}
+                RetrieveVectors::Hide => {
+                    document.remove("_vectors");
+                }
+                RetrieveVectors::Retrieve => {
+                    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());
+                }
+            }
+
+            Ok(document)
         })
     }))
 }
@@ -596,6 +648,7 @@ fn retrieve_documents<S: AsRef<str>>(
     limit: usize,
     filter: Option<Value>,
     attributes_to_retrieve: Option<Vec<S>>,
+    retrieve_vectors: RetrieveVectors,
 ) -> Result<(u64, Vec<Document>), ResponseError> {
     let rtxn = index.read_txn()?;
     let filter = &filter;
@@ -620,53 +673,57 @@ fn retrieve_documents<S: AsRef<str>>(
     let (it, number_of_documents) = {
         let number_of_documents = candidates.len();
         (
-            some_documents(index, &rtxn, candidates.into_iter().skip(offset).take(limit))?,
+            some_documents(
+                index,
+                &rtxn,
+                candidates.into_iter().skip(offset).take(limit),
+                retrieve_vectors,
+            )?,
             number_of_documents,
         )
     };
 
-    let documents: Result<Vec<_>, ResponseError> = it
+    let documents: Vec<_> = it
         .map(|document| {
             Ok(match &attributes_to_retrieve {
                 Some(attributes_to_retrieve) => permissive_json_pointer::select_values(
                     &document?,
-                    attributes_to_retrieve.iter().map(|s| s.as_ref()),
+                    attributes_to_retrieve.iter().map(|s| s.as_ref()).chain(
+                        (retrieve_vectors == RetrieveVectors::Retrieve).then_some("_vectors"),
+                    ),
                 ),
                 None => document?,
             })
         })
-        .collect();
+        .collect::<Result<_, ResponseError>>()?;
 
-    Ok((number_of_documents, documents?))
+    Ok((number_of_documents, documents))
 }
 
 fn retrieve_document<S: AsRef<str>>(
     index: &Index,
     doc_id: &str,
     attributes_to_retrieve: Option<Vec<S>>,
+    retrieve_vectors: RetrieveVectors,
 ) -> Result<Document, ResponseError> {
     let txn = index.read_txn()?;
 
-    let fields_ids_map = index.fields_ids_map(&txn)?;
-    let all_fields: Vec<_> = fields_ids_map.iter().map(|(id, _)| id).collect();
-
     let internal_id = index
         .external_documents_ids()
         .get(&txn, doc_id)?
         .ok_or_else(|| MeilisearchHttpError::DocumentNotFound(doc_id.to_string()))?;
 
-    let document = index
-        .documents(&txn, std::iter::once(internal_id))?
-        .into_iter()
+    let document = some_documents(index, &txn, Some(internal_id), retrieve_vectors)?
         .next()
-        .map(|(_, d)| d)
-        .ok_or_else(|| MeilisearchHttpError::DocumentNotFound(doc_id.to_string()))?;
+        .ok_or_else(|| MeilisearchHttpError::DocumentNotFound(doc_id.to_string()))??;
 
-    let document = meilisearch_types::milli::obkv_to_json(&all_fields, &fields_ids_map, document)?;
     let document = match &attributes_to_retrieve {
         Some(attributes_to_retrieve) => permissive_json_pointer::select_values(
             &document,
-            attributes_to_retrieve.iter().map(|s| s.as_ref()),
+            attributes_to_retrieve
+                .iter()
+                .map(|s| s.as_ref())
+                .chain((retrieve_vectors == RetrieveVectors::Retrieve).then_some("_vectors")),
         ),
         None => document,
     };

meilisearch/src/routes/indexes/facet_search.rs

@@ -12,11 +12,13 @@ use tracing::debug;
 use crate::analytics::{Analytics, FacetSearchAggregator};
 use crate::extractors::authentication::policies::*;
 use crate::extractors::authentication::GuardedData;
+use crate::routes::indexes::search::search_kind;
 use crate::search::{
-    add_search_rules, perform_facet_search, HybridQuery, MatchingStrategy, SearchQuery,
-    DEFAULT_CROP_LENGTH, DEFAULT_CROP_MARKER, DEFAULT_HIGHLIGHT_POST_TAG,
+    add_search_rules, perform_facet_search, HybridQuery, MatchingStrategy, RankingScoreThreshold,
+    SearchQuery, DEFAULT_CROP_LENGTH, DEFAULT_CROP_MARKER, DEFAULT_HIGHLIGHT_POST_TAG,
     DEFAULT_HIGHLIGHT_PRE_TAG, DEFAULT_SEARCH_LIMIT, DEFAULT_SEARCH_OFFSET,
 };
+use crate::search_queue::SearchQueue;
 
 pub fn configure(cfg: &mut web::ServiceConfig) {
     cfg.service(web::resource("").route(web::post().to(search)));
@@ -44,10 +46,13 @@ pub struct FacetSearchQuery {
     pub matching_strategy: MatchingStrategy,
     #[deserr(default, error = DeserrJsonError<InvalidSearchAttributesToSearchOn>, default)]
     pub attributes_to_search_on: Option<Vec<String>>,
+    #[deserr(default, error = DeserrJsonError<InvalidSearchRankingScoreThreshold>, default)]
+    pub ranking_score_threshold: Option<RankingScoreThreshold>,
 }
 
 pub async fn search(
     index_scheduler: GuardedData<ActionPolicy<{ actions::SEARCH }>, Data<IndexScheduler>>,
+    search_queue: Data<SearchQueue>,
     index_uid: web::Path<String>,
     params: AwebJson<FacetSearchQuery, DeserrJsonError>,
     req: HttpRequest,
@@ -66,13 +71,15 @@ pub async fn search(
 
     // Tenant token search_rules.
     if let Some(search_rules) = index_scheduler.filters().get_index_search_rules(&index_uid) {
-        add_search_rules(&mut search_query, search_rules);
+        add_search_rules(&mut search_query.filter, search_rules);
     }
 
     let index = index_scheduler.index(&index_uid)?;
     let features = index_scheduler.features();
+    let search_kind = search_kind(&search_query, &index_scheduler, &index, features)?;
+    let _permit = search_queue.try_get_search_permit().await?;
     let search_result = tokio::task::spawn_blocking(move || {
-        perform_facet_search(&index, search_query, facet_query, facet_name, features)
+        perform_facet_search(&index, search_query, facet_query, facet_name, search_kind)
     })
     .await?;
 
@@ -98,6 +105,7 @@ impl From<FacetSearchQuery> for SearchQuery {
             matching_strategy,
             attributes_to_search_on,
             hybrid,
+            ranking_score_threshold,
         } = value;
 
         SearchQuery {
@@ -107,6 +115,7 @@ impl From<FacetSearchQuery> for SearchQuery {
             page: None,
             hits_per_page: None,
             attributes_to_retrieve: None,
+            retrieve_vectors: false,
             attributes_to_crop: None,
             crop_length: DEFAULT_CROP_LENGTH(),
             attributes_to_highlight: None,
@@ -115,6 +124,7 @@ impl From<FacetSearchQuery> for SearchQuery {
             show_ranking_score_details: false,
             filter,
             sort: None,
+            distinct: None,
             facets: None,
             highlight_pre_tag: DEFAULT_HIGHLIGHT_PRE_TAG(),
             highlight_post_tag: DEFAULT_HIGHLIGHT_POST_TAG(),
@@ -123,6 +133,7 @@ impl From<FacetSearchQuery> for SearchQuery {
             vector,
             attributes_to_search_on,
             hybrid,
+            ranking_score_threshold,
         }
     }
 }

meilisearch/src/routes/indexes/mod.rs

@@ -29,6 +29,7 @@ pub mod documents;
 pub mod facet_search;
 pub mod search;
 pub mod settings;
+pub mod similar;
 
 pub fn configure(cfg: &mut web::ServiceConfig) {
     cfg.service(
@@ -48,6 +49,7 @@ pub fn configure(cfg: &mut web::ServiceConfig) {
             .service(web::scope("/documents").configure(documents::configure))
             .service(web::scope("/search").configure(search::configure))
             .service(web::scope("/facet-search").configure(facet_search::configure))
+            .service(web::scope("/similar").configure(similar::configure))
             .service(web::scope("/settings").configure(settings::configure)),
     );
 }
@@ -269,12 +271,8 @@ impl From<index_scheduler::IndexStats> for IndexStats {
 pub async fn get_index_stats(
     index_scheduler: GuardedData<ActionPolicy<{ actions::STATS_GET }>, Data<IndexScheduler>>,
     index_uid: web::Path<String>,
-    req: HttpRequest,
-    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let index_uid = IndexUid::try_from(index_uid.into_inner())?;
-    analytics.publish("Stats Seen".to_string(), json!({ "per_index_uid": true }), Some(&req));
-
     let stats = IndexStats::from(index_scheduler.index_stats(&index_uid)?);
 
     debug!(returns = ?stats, "Get index stats");

meilisearch/src/routes/indexes/search.rs

@@ -1,27 +1,30 @@
 use actix_web::web::Data;
 use actix_web::{web, HttpRequest, HttpResponse};
 use deserr::actix_web::{AwebJson, AwebQueryParameter};
-use index_scheduler::IndexScheduler;
+use index_scheduler::{IndexScheduler, RoFeatures};
 use meilisearch_types::deserr::query_params::Param;
 use meilisearch_types::deserr::{DeserrJsonError, DeserrQueryParamError};
 use meilisearch_types::error::deserr_codes::*;
 use meilisearch_types::error::ResponseError;
 use meilisearch_types::index_uid::IndexUid;
 use meilisearch_types::milli;
-use meilisearch_types::milli::vector::DistributionShift;
 use meilisearch_types::serde_cs::vec::CS;
 use serde_json::Value;
-use tracing::{debug, warn};
+use tracing::debug;
 
 use crate::analytics::{Analytics, SearchAggregator};
+use crate::error::MeilisearchHttpError;
 use crate::extractors::authentication::policies::*;
 use crate::extractors::authentication::GuardedData;
 use crate::extractors::sequential_extractor::SeqHandler;
+use crate::metrics::MEILISEARCH_DEGRADED_SEARCH_REQUESTS;
 use crate::search::{
-    add_search_rules, perform_search, HybridQuery, MatchingStrategy, SearchQuery, SemanticRatio,
-    DEFAULT_CROP_LENGTH, DEFAULT_CROP_MARKER, DEFAULT_HIGHLIGHT_POST_TAG,
-    DEFAULT_HIGHLIGHT_PRE_TAG, DEFAULT_SEARCH_LIMIT, DEFAULT_SEARCH_OFFSET, DEFAULT_SEMANTIC_RATIO,
+    add_search_rules, perform_search, HybridQuery, MatchingStrategy, RankingScoreThreshold,
+    RetrieveVectors, SearchKind, SearchQuery, SemanticRatio, DEFAULT_CROP_LENGTH,
+    DEFAULT_CROP_MARKER, DEFAULT_HIGHLIGHT_POST_TAG, DEFAULT_HIGHLIGHT_PRE_TAG,
+    DEFAULT_SEARCH_LIMIT, DEFAULT_SEARCH_OFFSET, DEFAULT_SEMANTIC_RATIO,
 };
+use crate::search_queue::SearchQueue;
 
 pub fn configure(cfg: &mut web::ServiceConfig) {
     cfg.service(
@@ -48,6 +51,8 @@ pub struct SearchQueryGet {
     hits_per_page: Option<Param<usize>>,
     #[deserr(default, error = DeserrQueryParamError<InvalidSearchAttributesToRetrieve>)]
     attributes_to_retrieve: Option<CS<String>>,
+    #[deserr(default, error = DeserrQueryParamError<InvalidSearchRetrieveVectors>)]
+    retrieve_vectors: Param<bool>,
     #[deserr(default, error = DeserrQueryParamError<InvalidSearchAttributesToCrop>)]
     attributes_to_crop: Option<CS<String>>,
     #[deserr(default = Param(DEFAULT_CROP_LENGTH()), error = DeserrQueryParamError<InvalidSearchCropLength>)]
@@ -58,6 +63,8 @@ pub struct SearchQueryGet {
     filter: Option<String>,
     #[deserr(default, error = DeserrQueryParamError<InvalidSearchSort>)]
     sort: Option<String>,
+    #[deserr(default, error = DeserrQueryParamError<InvalidSearchDistinct>)]
+    distinct: Option<String>,
     #[deserr(default, error = DeserrQueryParamError<InvalidSearchShowMatchesPosition>)]
     show_matches_position: Param<bool>,
     #[deserr(default, error = DeserrQueryParamError<InvalidSearchShowRankingScore>)]
@@ -80,6 +87,21 @@ pub struct SearchQueryGet {
     pub hybrid_embedder: Option<String>,
     #[deserr(default, error = DeserrQueryParamError<InvalidSearchSemanticRatio>)]
     pub hybrid_semantic_ratio: Option<SemanticRatioGet>,
+    #[deserr(default, error = DeserrQueryParamError<InvalidSearchRankingScoreThreshold>)]
+    pub ranking_score_threshold: Option<RankingScoreThresholdGet>,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, deserr::Deserr)]
+#[deserr(try_from(String) = TryFrom::try_from -> InvalidSearchRankingScoreThreshold)]
+pub struct RankingScoreThresholdGet(RankingScoreThreshold);
+
+impl std::convert::TryFrom<String> for RankingScoreThresholdGet {
+    type Error = InvalidSearchRankingScoreThreshold;
+
+    fn try_from(s: String) -> Result<Self, Self::Error> {
+        let f: f64 = s.parse().map_err(|_| InvalidSearchRankingScoreThreshold)?;
+        Ok(RankingScoreThresholdGet(RankingScoreThreshold::try_from(f)?))
+    }
 }
 
 #[derive(Debug, Clone, Copy, Default, PartialEq, deserr::Deserr)]
@@ -135,11 +157,13 @@ impl From<SearchQueryGet> for SearchQuery {
             page: other.page.as_deref().copied(),
             hits_per_page: other.hits_per_page.as_deref().copied(),
             attributes_to_retrieve: other.attributes_to_retrieve.map(|o| o.into_iter().collect()),
+            retrieve_vectors: other.retrieve_vectors.0,
             attributes_to_crop: other.attributes_to_crop.map(|o| o.into_iter().collect()),
             crop_length: other.crop_length.0,
             attributes_to_highlight: other.attributes_to_highlight.map(|o| o.into_iter().collect()),
             filter,
             sort: other.sort.map(|attr| fix_sort_query_parameters(&attr)),
+            distinct: other.distinct,
             show_matches_position: other.show_matches_position.0,
             show_ranking_score: other.show_ranking_score.0,
             show_ranking_score_details: other.show_ranking_score_details.0,
@@ -150,6 +174,7 @@ impl From<SearchQueryGet> for SearchQuery {
             matching_strategy: other.matching_strategy,
             attributes_to_search_on: other.attributes_to_search_on.map(|o| o.into_iter().collect()),
             hybrid,
+            ranking_score_threshold: other.ranking_score_threshold.map(|o| o.0),
         }
     }
 }
@@ -181,6 +206,7 @@ fn fix_sort_query_parameters(sort_query: &str) -> Vec<String> {
 
 pub async fn search_with_url_query(
     index_scheduler: GuardedData<ActionPolicy<{ actions::SEARCH }>, Data<IndexScheduler>>,
+    search_queue: web::Data<SearchQueue>,
     index_uid: web::Path<String>,
     params: AwebQueryParameter<SearchQueryGet, DeserrQueryParamError>,
     req: HttpRequest,
@@ -193,7 +219,7 @@ pub async fn search_with_url_query(
 
     // Tenant token search_rules.
     if let Some(search_rules) = index_scheduler.filters().get_index_search_rules(&index_uid) {
-        add_search_rules(&mut query, search_rules);
+        add_search_rules(&mut query.filter, search_rules);
     }
 
     let mut aggregate = SearchAggregator::from_query(&query, &req);
@@ -201,11 +227,13 @@ pub async fn search_with_url_query(
     let index = index_scheduler.index(&index_uid)?;
     let features = index_scheduler.features();
 
-    let distribution = embed(&mut query, index_scheduler.get_ref(), &index).await?;
-
-    let search_result =
-        tokio::task::spawn_blocking(move || perform_search(&index, query, features, distribution))
-            .await?;
+    let search_kind = search_kind(&query, index_scheduler.get_ref(), &index, features)?;
+    let retrieve_vector = RetrieveVectors::new(query.retrieve_vectors, features)?;
+    let _permit = search_queue.try_get_search_permit().await?;
+    let search_result = tokio::task::spawn_blocking(move || {
+        perform_search(&index, query, search_kind, retrieve_vector)
+    })
+    .await?;
     if let Ok(ref search_result) = search_result {
         aggregate.succeed(search_result);
     }
@@ -219,6 +247,7 @@ pub async fn search_with_url_query(
 
 pub async fn search_with_post(
     index_scheduler: GuardedData<ActionPolicy<{ actions::SEARCH }>, Data<IndexScheduler>>,
+    search_queue: web::Data<SearchQueue>,
     index_uid: web::Path<String>,
     params: AwebJson<SearchQuery, DeserrJsonError>,
     req: HttpRequest,
@@ -231,7 +260,7 @@ pub async fn search_with_post(
 
     // Tenant token search_rules.
     if let Some(search_rules) = index_scheduler.filters().get_index_search_rules(&index_uid) {
-        add_search_rules(&mut query, search_rules);
+        add_search_rules(&mut query.filter, search_rules);
     }
 
     let mut aggregate = SearchAggregator::from_query(&query, &req);
@@ -240,13 +269,19 @@ pub async fn search_with_post(
 
     let features = index_scheduler.features();
 
-    let distribution = embed(&mut query, index_scheduler.get_ref(), &index).await?;
+    let search_kind = search_kind(&query, index_scheduler.get_ref(), &index, features)?;
+    let retrieve_vectors = RetrieveVectors::new(query.retrieve_vectors, features)?;
 
-    let search_result =
-        tokio::task::spawn_blocking(move || perform_search(&index, query, features, distribution))
-            .await?;
+    let _permit = search_queue.try_get_search_permit().await?;
+    let search_result = tokio::task::spawn_blocking(move || {
+        perform_search(&index, query, search_kind, retrieve_vectors)
+    })
+    .await?;
     if let Ok(ref search_result) = search_result {
         aggregate.succeed(search_result);
+        if search_result.degraded {
+            MEILISEARCH_DEGRADED_SEARCH_REQUESTS.inc();
+        }
     }
     analytics.post_search(aggregate);
 
@@ -256,77 +291,57 @@ pub async fn search_with_post(
     Ok(HttpResponse::Ok().json(search_result))
 }
 
-pub async fn embed(
-    query: &mut SearchQuery,
+pub fn search_kind(
+    query: &SearchQuery,
     index_scheduler: &IndexScheduler,
     index: &milli::Index,
-) -> Result<Option<DistributionShift>, ResponseError> {
-    match (&query.hybrid, &query.vector, &query.q) {
-        (Some(HybridQuery { semantic_ratio: _, embedder }), None, Some(q))
-            if !q.trim().is_empty() =>
-        {
-            let embedder_configs = index.embedding_configs(&index.read_txn()?)?;
-            let embedders = index_scheduler.embedders(embedder_configs)?;
+    features: RoFeatures,
+) -> Result<SearchKind, ResponseError> {
+    if query.vector.is_some() {
+        features.check_vector("Passing `vector` as a parameter")?;
+    }
+    if query.hybrid.is_some() {
+        features.check_vector("Passing `hybrid` as a parameter")?;
+    }
 
-            let embedder = if let Some(embedder_name) = embedder {
-                embedders.get(embedder_name)
-            } else {
-                embedders.get_default()
-            };
-
-            let embedder = embedder
-                .ok_or(milli::UserError::InvalidEmbedder("default".to_owned()))
-                .map_err(milli::Error::from)?
-                .0;
-
-            let distribution = embedder.distribution();
-
-            let embeddings = embedder
-                .embed(vec![q.to_owned()])
-                .await
-                .map_err(milli::vector::Error::from)
-                .map_err(milli::Error::from)?
-                .pop()
-                .expect("No vector returned from embedding");
-
-            if embeddings.iter().nth(1).is_some() {
-                warn!("Ignoring embeddings past the first one in long search query");
-                query.vector = Some(embeddings.iter().next().unwrap().to_vec());
-            } else {
-                query.vector = Some(embeddings.into_inner());
-            }
-            Ok(distribution)
+    // regardless of anything, always do a keyword search when we don't have a vector and the query is whitespace or missing
+    if query.vector.is_none() {
+        match &query.q {
+            Some(q) if q.trim().is_empty() => return Ok(SearchKind::KeywordOnly),
+            None => return Ok(SearchKind::KeywordOnly),
+            _ => {}
         }
-        (Some(hybrid), vector, _) => {
-            let embedder_configs = index.embedding_configs(&index.read_txn()?)?;
-            let embedders = index_scheduler.embedders(embedder_configs)?;
+    }
 
-            let embedder = if let Some(embedder_name) = &hybrid.embedder {
-                embedders.get(embedder_name)
-            } else {
-                embedders.get_default()
-            };
-
-            let embedder = embedder
-                .ok_or(milli::UserError::InvalidEmbedder("default".to_owned()))
-                .map_err(milli::Error::from)?
-                .0;
-
-            if let Some(vector) = vector {
-                if vector.len() != embedder.dimensions() {
-                    return Err(meilisearch_types::milli::Error::UserError(
-                        meilisearch_types::milli::UserError::InvalidVectorDimensions {
-                            expected: embedder.dimensions(),
-                            found: vector.len(),
-                        },
-                    )
-                    .into());
-                }
-            }
-
-            Ok(embedder.distribution())
+    match &query.hybrid {
+        Some(HybridQuery { semantic_ratio, embedder }) if **semantic_ratio == 1.0 => {
+            Ok(SearchKind::semantic(
+                index_scheduler,
+                index,
+                embedder.as_deref(),
+                query.vector.as_ref().map(Vec::len),
+            )?)
         }
-        _ => Ok(None),
+        Some(HybridQuery { semantic_ratio, embedder: _ }) if **semantic_ratio == 0.0 => {
+            Ok(SearchKind::KeywordOnly)
+        }
+        Some(HybridQuery { semantic_ratio, embedder }) => Ok(SearchKind::hybrid(
+            index_scheduler,
+            index,
+            embedder.as_deref(),
+            **semantic_ratio,
+            query.vector.as_ref().map(Vec::len),
+        )?),
+        None => match (query.q.as_deref(), query.vector.as_deref()) {
+            (_query, None) => Ok(SearchKind::KeywordOnly),
+            (None, Some(_vector)) => Ok(SearchKind::semantic(
+                index_scheduler,
+                index,
+                None,
+                query.vector.as_ref().map(Vec::len),
+            )?),
+            (Some(_), Some(_)) => Err(MeilisearchHttpError::MissingSearchHybrid.into()),
+        },
     }
 }
 

meilisearch/src/routes/indexes/settings.rs

@@ -7,7 +7,7 @@ use meilisearch_types::error::ResponseError;
 use meilisearch_types::facet_values_sort::FacetValuesSort;
 use meilisearch_types::index_uid::IndexUid;
 use meilisearch_types::milli::update::Setting;
-use meilisearch_types::settings::{settings, RankingRuleView, Settings, Unchecked};
+use meilisearch_types::settings::{settings, RankingRuleView, SecretPolicy, Settings, Unchecked};
 use meilisearch_types::tasks::KindWithContent;
 use serde_json::json;
 use tracing::debug;
@@ -134,13 +134,11 @@ macro_rules! make_setting_route {
 
                 let index = index_scheduler.index(&index_uid)?;
                 let rtxn = index.read_txn()?;
-                let settings = settings(&index, &rtxn)?;
+                let settings = settings(&index, &rtxn, meilisearch_types::settings::SecretPolicy::HideSecrets)?;
 
                 debug!(returns = ?settings, "Update settings");
-                let mut json = serde_json::json!(&settings);
-                let val = json[$camelcase_attr].take();
 
-                Ok(HttpResponse::Ok().json(val))
+                Ok(HttpResponse::Ok().json(settings.$attr))
             }
 
             pub fn resources() -> Resource {
@@ -604,6 +602,8 @@ fn embedder_analytics(
                 EmbedderSource::OpenAi => sources.insert("openAi"),
                 EmbedderSource::HuggingFace => sources.insert("huggingFace"),
                 EmbedderSource::UserProvided => sources.insert("userProvided"),
+                EmbedderSource::Ollama => sources.insert("ollama"),
+                EmbedderSource::Rest => sources.insert("rest"),
             };
         }
     };
@@ -623,6 +623,25 @@ fn embedder_analytics(
     )
 }
 
+make_setting_route!(
+    "/search-cutoff-ms",
+    put,
+    u64,
+    meilisearch_types::deserr::DeserrJsonError<
+        meilisearch_types::error::deserr_codes::InvalidSettingsSearchCutoffMs,
+    >,
+    search_cutoff_ms,
+    "searchCutoffMs",
+    analytics,
+    |setting: &Option<u64>, req: &HttpRequest| {
+        analytics.publish(
+            "Search Cutoff Updated".to_string(),
+            serde_json::json!({"search_cutoff_ms": setting }),
+            Some(req),
+        );
+    }
+);
+
 macro_rules! generate_configure {
     ($($mod:ident),*) => {
         pub fn configure(cfg: &mut web::ServiceConfig) {
@@ -653,7 +672,8 @@ generate_configure!(
     typo_tolerance,
     pagination,
     faceting,
-    embedders
+    embedders,
+    search_cutoff_ms
 );
 
 pub async fn update_all(
@@ -764,7 +784,8 @@ pub async fn update_all(
             "synonyms": {
                 "total": new_settings.synonyms.as_ref().set().map(|synonyms| synonyms.len()),
             },
-            "embedders": crate::routes::indexes::settings::embedder_analytics(new_settings.embedders.as_ref().set())
+            "embedders": crate::routes::indexes::settings::embedder_analytics(new_settings.embedders.as_ref().set()),
+            "search_cutoff_ms": new_settings.search_cutoff_ms.as_ref().set(),
         }),
         Some(&req),
     );
@@ -796,7 +817,7 @@ pub async fn get_all(
 
     let index = index_scheduler.index(&index_uid)?;
     let rtxn = index.read_txn()?;
-    let new_settings = settings(&index, &rtxn)?;
+    let new_settings = settings(&index, &rtxn, SecretPolicy::HideSecrets)?;
     debug!(returns = ?new_settings, "Get all settings");
     Ok(HttpResponse::Ok().json(new_settings))
 }

meilisearch/src/routes/indexes/similar.rs

@@ -0,0 +1,192 @@
+use actix_web::web::{self, Data};
+use actix_web::{HttpRequest, HttpResponse};
+use deserr::actix_web::{AwebJson, AwebQueryParameter};
+use index_scheduler::IndexScheduler;
+use meilisearch_types::deserr::query_params::Param;
+use meilisearch_types::deserr::{DeserrJsonError, DeserrQueryParamError};
+use meilisearch_types::error::deserr_codes::*;
+use meilisearch_types::error::{ErrorCode as _, ResponseError};
+use meilisearch_types::index_uid::IndexUid;
+use meilisearch_types::keys::actions;
+use meilisearch_types::serde_cs::vec::CS;
+use serde_json::Value;
+use tracing::debug;
+
+use super::ActionPolicy;
+use crate::analytics::{Analytics, SimilarAggregator};
+use crate::extractors::authentication::GuardedData;
+use crate::extractors::sequential_extractor::SeqHandler;
+use crate::search::{
+    add_search_rules, perform_similar, RankingScoreThresholdSimilar, RetrieveVectors, SearchKind,
+    SimilarQuery, SimilarResult, DEFAULT_SEARCH_LIMIT, DEFAULT_SEARCH_OFFSET,
+};
+
+pub fn configure(cfg: &mut web::ServiceConfig) {
+    cfg.service(
+        web::resource("")
+            .route(web::get().to(SeqHandler(similar_get)))
+            .route(web::post().to(SeqHandler(similar_post))),
+    );
+}
+
+pub async fn similar_get(
+    index_scheduler: GuardedData<ActionPolicy<{ actions::SEARCH }>, Data<IndexScheduler>>,
+    index_uid: web::Path<String>,
+    params: AwebQueryParameter<SimilarQueryGet, DeserrQueryParamError>,
+    req: HttpRequest,
+    analytics: web::Data<dyn Analytics>,
+) -> Result<HttpResponse, ResponseError> {
+    let index_uid = IndexUid::try_from(index_uid.into_inner())?;
+
+    let query = params.0.try_into()?;
+
+    let mut aggregate = SimilarAggregator::from_query(&query, &req);
+
+    debug!(parameters = ?query, "Similar get");
+
+    let similar = similar(index_scheduler, index_uid, query).await;
+
+    if let Ok(similar) = &similar {
+        aggregate.succeed(similar);
+    }
+    analytics.get_similar(aggregate);
+
+    let similar = similar?;
+
+    debug!(returns = ?similar, "Similar get");
+    Ok(HttpResponse::Ok().json(similar))
+}
+
+pub async fn similar_post(
+    index_scheduler: GuardedData<ActionPolicy<{ actions::SEARCH }>, Data<IndexScheduler>>,
+    index_uid: web::Path<String>,
+    params: AwebJson<SimilarQuery, DeserrJsonError>,
+    req: HttpRequest,
+    analytics: web::Data<dyn Analytics>,
+) -> Result<HttpResponse, ResponseError> {
+    let index_uid = IndexUid::try_from(index_uid.into_inner())?;
+
+    let query = params.into_inner();
+    debug!(parameters = ?query, "Similar post");
+
+    let mut aggregate = SimilarAggregator::from_query(&query, &req);
+
+    let similar = similar(index_scheduler, index_uid, query).await;
+
+    if let Ok(similar) = &similar {
+        aggregate.succeed(similar);
+    }
+    analytics.post_similar(aggregate);
+
+    let similar = similar?;
+
+    debug!(returns = ?similar, "Similar post");
+    Ok(HttpResponse::Ok().json(similar))
+}
+
+async fn similar(
+    index_scheduler: GuardedData<ActionPolicy<{ actions::SEARCH }>, Data<IndexScheduler>>,
+    index_uid: IndexUid,
+    mut query: SimilarQuery,
+) -> Result<SimilarResult, ResponseError> {
+    let features = index_scheduler.features();
+
+    features.check_vector("Using the similar API")?;
+
+    let retrieve_vectors = RetrieveVectors::new(query.retrieve_vectors, features)?;
+
+    // Tenant token search_rules.
+    if let Some(search_rules) = index_scheduler.filters().get_index_search_rules(&index_uid) {
+        add_search_rules(&mut query.filter, search_rules);
+    }
+
+    let index = index_scheduler.index(&index_uid)?;
+
+    let (embedder_name, embedder) =
+        SearchKind::embedder(&index_scheduler, &index, query.embedder.as_deref(), None)?;
+
+    tokio::task::spawn_blocking(move || {
+        perform_similar(&index, query, embedder_name, embedder, retrieve_vectors)
+    })
+    .await?
+}
+
+#[derive(Debug, deserr::Deserr)]
+#[deserr(error = DeserrQueryParamError, rename_all = camelCase, deny_unknown_fields)]
+pub struct SimilarQueryGet {
+    #[deserr(error = DeserrQueryParamError<InvalidSimilarId>)]
+    id: Param<String>,
+    #[deserr(default = Param(DEFAULT_SEARCH_OFFSET()), error = DeserrQueryParamError<InvalidSimilarOffset>)]
+    offset: Param<usize>,
+    #[deserr(default = Param(DEFAULT_SEARCH_LIMIT()), error = DeserrQueryParamError<InvalidSimilarLimit>)]
+    limit: Param<usize>,
+    #[deserr(default, error = DeserrQueryParamError<InvalidSimilarAttributesToRetrieve>)]
+    attributes_to_retrieve: Option<CS<String>>,
+    #[deserr(default, error = DeserrQueryParamError<InvalidSimilarRetrieveVectors>)]
+    retrieve_vectors: Param<bool>,
+    #[deserr(default, error = DeserrQueryParamError<InvalidSimilarFilter>)]
+    filter: Option<String>,
+    #[deserr(default, error = DeserrQueryParamError<InvalidSimilarShowRankingScore>)]
+    show_ranking_score: Param<bool>,
+    #[deserr(default, error = DeserrQueryParamError<InvalidSimilarShowRankingScoreDetails>)]
+    show_ranking_score_details: Param<bool>,
+    #[deserr(default, error = DeserrQueryParamError<InvalidSimilarRankingScoreThreshold>, default)]
+    pub ranking_score_threshold: Option<RankingScoreThresholdGet>,
+    #[deserr(default, error = DeserrQueryParamError<InvalidEmbedder>)]
+    pub embedder: Option<String>,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, deserr::Deserr)]
+#[deserr(try_from(String) = TryFrom::try_from -> InvalidSimilarRankingScoreThreshold)]
+pub struct RankingScoreThresholdGet(RankingScoreThresholdSimilar);
+
+impl std::convert::TryFrom<String> for RankingScoreThresholdGet {
+    type Error = InvalidSimilarRankingScoreThreshold;
+
+    fn try_from(s: String) -> Result<Self, Self::Error> {
+        let f: f64 = s.parse().map_err(|_| InvalidSimilarRankingScoreThreshold)?;
+        Ok(RankingScoreThresholdGet(RankingScoreThresholdSimilar::try_from(f)?))
+    }
+}
+
+impl TryFrom<SimilarQueryGet> for SimilarQuery {
+    type Error = ResponseError;
+
+    fn try_from(
+        SimilarQueryGet {
+            id,
+            offset,
+            limit,
+            attributes_to_retrieve,
+            retrieve_vectors,
+            filter,
+            show_ranking_score,
+            show_ranking_score_details,
+            embedder,
+            ranking_score_threshold,
+        }: SimilarQueryGet,
+    ) -> Result<Self, Self::Error> {
+        let filter = match filter {
+            Some(f) => match serde_json::from_str(&f) {
+                Ok(v) => Some(v),
+                _ => Some(Value::String(f)),
+            },
+            None => None,
+        };
+
+        Ok(SimilarQuery {
+            id: id.0.try_into().map_err(|code: InvalidSimilarId| {
+                ResponseError::from_msg(code.to_string(), code.error_code())
+            })?,
+            offset: offset.0,
+            limit: limit.0,
+            filter,
+            embedder,
+            attributes_to_retrieve: attributes_to_retrieve.map(|o| o.into_iter().collect()),
+            retrieve_vectors: retrieve_vectors.0,
+            show_ranking_score: show_ranking_score.0,
+            show_ranking_score_details: show_ranking_score_details.0,
+            ranking_score_threshold: ranking_score_threshold.map(|x| x.0),
+        })
+    }
+}

meilisearch/src/routes/mod.rs

@@ -8,13 +8,12 @@ use meilisearch_types::error::{Code, ResponseError};
 use meilisearch_types::settings::{Settings, Unchecked};
 use meilisearch_types::tasks::{Kind, Status, Task, TaskId};
 use serde::{Deserialize, Serialize};
-use serde_json::json;
 use time::OffsetDateTime;
 use tracing::debug;
 
-use crate::analytics::Analytics;
 use crate::extractors::authentication::policies::*;
 use crate::extractors::authentication::GuardedData;
+use crate::search_queue::SearchQueue;
 use crate::Opt;
 
 const PAGINATION_DEFAULT_LIMIT: usize = 20;
@@ -295,10 +294,7 @@ pub struct Stats {
 async fn get_stats(
     index_scheduler: GuardedData<ActionPolicy<{ actions::STATS_GET }>, Data<IndexScheduler>>,
     auth_controller: GuardedData<ActionPolicy<{ actions::STATS_GET }>, Data<AuthController>>,
-    req: HttpRequest,
-    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
-    analytics.publish("Stats Seen".to_string(), json!({ "per_index_uid": false }), Some(&req));
     let filters = index_scheduler.filters();
 
     let stats = create_all_stats((*index_scheduler).clone(), (*auth_controller).clone(), filters)?;
@@ -354,11 +350,7 @@ struct VersionResponse {
 
 async fn get_version(
     _index_scheduler: GuardedData<ActionPolicy<{ actions::VERSION }>, Data<IndexScheduler>>,
-    req: HttpRequest,
-    analytics: web::Data<dyn Analytics>,
 ) -> HttpResponse {
-    analytics.publish("Version Seen".to_string(), json!(null), Some(&req));
-
     let build_info = build_info::BuildInfo::from_build();
 
     HttpResponse::Ok().json(VersionResponse {
@@ -375,20 +367,12 @@ async fn get_version(
     })
 }
 
-#[derive(Serialize)]
-struct KeysResponse {
-    private: Option<String>,
-    public: Option<String>,
-}
-
 pub async fn get_health(
-    req: HttpRequest,
     index_scheduler: Data<IndexScheduler>,
     auth_controller: Data<AuthController>,
-    analytics: web::Data<dyn Analytics>,
+    search_queue: Data<SearchQueue>,
 ) -> Result<HttpResponse, ResponseError> {
-    analytics.health_seen(&req);
-
+    search_queue.health().unwrap();
     index_scheduler.health().unwrap();
     auth_controller.health().unwrap();
 

meilisearch/src/routes/multi_search.rs

@@ -13,10 +13,11 @@ use crate::analytics::{Analytics, MultiSearchAggregator};
 use crate::extractors::authentication::policies::ActionPolicy;
 use crate::extractors::authentication::{AuthenticationError, GuardedData};
 use crate::extractors::sequential_extractor::SeqHandler;
-use crate::routes::indexes::search::embed;
+use crate::routes::indexes::search::search_kind;
 use crate::search::{
-    add_search_rules, perform_search, SearchQueryWithIndex, SearchResultWithIndex,
+    add_search_rules, perform_search, RetrieveVectors, SearchQueryWithIndex, SearchResultWithIndex,
 };
+use crate::search_queue::SearchQueue;
 
 pub fn configure(cfg: &mut web::ServiceConfig) {
     cfg.service(web::resource("").route(web::post().to(SeqHandler(multi_search_with_post))));
@@ -35,6 +36,7 @@ pub struct SearchQueries {
 
 pub async fn multi_search_with_post(
     index_scheduler: GuardedData<ActionPolicy<{ actions::SEARCH }>, Data<IndexScheduler>>,
+    search_queue: Data<SearchQueue>,
     params: AwebJson<SearchQueries, DeserrJsonError>,
     req: HttpRequest,
     analytics: web::Data<dyn Analytics>,
@@ -44,6 +46,10 @@ pub async fn multi_search_with_post(
     let mut multi_aggregate = MultiSearchAggregator::from_queries(&queries, &req);
     let features = index_scheduler.features();
 
+    // Since we don't want to process half of the search requests and then get a permit refused
+    // we're going to get one permit for the whole duration of the multi-search request.
+    let _permit = search_queue.try_get_search_permit().await?;
+
     // Explicitly expect a `(ResponseError, usize)` for the error type rather than `ResponseError` only,
     // so that `?` doesn't work if it doesn't use `with_index`, ensuring that it is not forgotten in case of code
     // changes.
@@ -61,7 +67,7 @@ pub async fn multi_search_with_post(
             // Apply search rules from tenant token
             if let Some(search_rules) = index_scheduler.filters().get_index_search_rules(&index_uid)
             {
-                add_search_rules(&mut query, search_rules);
+                add_search_rules(&mut query.filter, search_rules);
             }
 
             let index = index_scheduler
@@ -75,12 +81,13 @@ pub async fn multi_search_with_post(
                 })
                 .with_index(query_index)?;
 
-            let distribution = embed(&mut query, index_scheduler.get_ref(), &index)
-                .await
+            let search_kind = search_kind(&query, index_scheduler.get_ref(), &index, features)
                 .with_index(query_index)?;
+            let retrieve_vector =
+                RetrieveVectors::new(query.retrieve_vectors, features).with_index(query_index)?;
 
             let search_result = tokio::task::spawn_blocking(move || {
-                perform_search(&index, query, features, distribution)
+                perform_search(&index, query, search_kind, retrieve_vector)
             })
             .await
             .with_index(query_index)?;

meilisearch/src/routes/tasks.rs

@@ -270,12 +270,8 @@ pub struct AllTasks {
 async fn get_tasks(
     index_scheduler: GuardedData<ActionPolicy<{ actions::TASKS_GET }>, Data<IndexScheduler>>,
     params: AwebQueryParameter<TasksFilterQuery, DeserrQueryParamError>,
-    req: HttpRequest,
-    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let mut params = params.into_inner();
-    analytics.get_tasks(&params, &req);
-
     // We +1 just to know if there is more after this "page" or not.
     params.limit.0 = params.limit.0.saturating_add(1);
     let limit = params.limit.0;
@@ -298,8 +294,6 @@ async fn get_tasks(
 async fn get_task(
     index_scheduler: GuardedData<ActionPolicy<{ actions::TASKS_GET }>, Data<IndexScheduler>>,
     task_uid: web::Path<String>,
-    req: HttpRequest,
-    analytics: web::Data<dyn Analytics>,
 ) -> Result<HttpResponse, ResponseError> {
     let task_uid_string = task_uid.into_inner();
 
@@ -310,8 +304,6 @@ async fn get_task(
         }
     };
 
-    analytics.publish("Tasks Seen".to_string(), json!({ "per_task_uid": true }), Some(&req));
-
     let query = index_scheduler::Query { uids: Some(vec![task_uid]), ..Query::default() };
     let filters = index_scheduler.filters();
     let (tasks, _) = index_scheduler.get_tasks_from_authorized_indexes(query, filters)?;

meilisearch/src/search_queue.rs

@@ -0,0 +1,136 @@
+//! This file implements a queue of searches to process and the ability to control how many searches can be run in parallel.
+//! We need this because we don't want to process more search requests than we have cores.
+//! That slows down everything and consumes RAM for no reason.
+//! The steps to do a search are to get the `SearchQueue` data structure and try to get a search permit.
+//! This can fail if the queue is full, and we need to drop your search request to register a new one.
+//!
+//! ### How to do a search request
+//!
+//! In order to do a search request you should try to get a search permit.
+//! Retrieve the `SearchQueue` structure from actix-web (`search_queue: Data<SearchQueue>`)
+//! and right before processing the search, calls the `SearchQueue::try_get_search_permit` method: `search_queue.try_get_search_permit().await?;`
+//!
+//! What is going to happen at this point is that you're going to send a oneshot::Sender over an async mpsc channel.
+//! Then, the queue/scheduler is going to either:
+//! - Drop your oneshot channel => that means there are too many searches going on, and yours won't be executed.
+//!                                You should exit and free all the RAM you use ASAP.
+//! - Sends you a Permit => that will unlock the method, and you will be able to process your search.
+//!                         And should drop the Permit only once you have freed all the RAM consumed by the method.
+
+use std::num::NonZeroUsize;
+
+use rand::rngs::StdRng;
+use rand::{Rng, SeedableRng};
+use tokio::sync::{mpsc, oneshot};
+
+use crate::error::MeilisearchHttpError;
+
+#[derive(Debug)]
+pub struct SearchQueue {
+    sender: mpsc::Sender<oneshot::Sender<Permit>>,
+    capacity: usize,
+}
+
+/// You should only run search requests while holding this permit.
+/// Once it's dropped, a new search request will be able to process.
+#[derive(Debug)]
+pub struct Permit {
+    sender: mpsc::Sender<()>,
+}
+
+impl Drop for Permit {
+    fn drop(&mut self) {
+        let sender = self.sender.clone();
+        // if the channel is closed then the whole instance is down
+        std::mem::drop(tokio::spawn(async move { sender.send(()).await }));
+    }
+}
+
+impl SearchQueue {
+    pub fn new(capacity: usize, paralellism: NonZeroUsize) -> Self {
+        // Search requests are going to wait until we're available anyway,
+        // so let's not allocate any RAM and keep a capacity of 1.
+        let (sender, receiver) = mpsc::channel(1);
+
+        tokio::task::spawn(Self::run(capacity, paralellism, receiver));
+        Self { sender, capacity }
+    }
+
+    /// This function is the main loop, it's in charge on scheduling which search request should execute first and
+    /// how many should executes at the same time.
+    ///
+    /// It **must never** panic or exit.
+    async fn run(
+        capacity: usize,
+        parallelism: NonZeroUsize,
+        mut receive_new_searches: mpsc::Receiver<oneshot::Sender<Permit>>,
+    ) {
+        let mut queue: Vec<oneshot::Sender<Permit>> = Default::default();
+        let mut rng: StdRng = StdRng::from_entropy();
+        let mut searches_running: usize = 0;
+        // By having a capacity of parallelism we ensures that every time a search finish it can release its RAM asap
+        let (sender, mut search_finished) = mpsc::channel(parallelism.into());
+
+        loop {
+            tokio::select! {
+                // biased select because we wants to free up space before trying to register new tasks
+                biased;
+                _ = search_finished.recv() => {
+                    searches_running = searches_running.saturating_sub(1);
+                    if !queue.is_empty() {
+                        // Can't panic: the queue wasn't empty thus the range isn't empty.
+                        let remove = rng.gen_range(0..queue.len());
+                        let channel = queue.swap_remove(remove);
+                        let _ = channel.send(Permit { sender: sender.clone() });
+                    }
+                },
+
+                search_request = receive_new_searches.recv() => {
+                    let search_request = match search_request {
+                        Some(search_request) => search_request,
+                        // This should never happen while actix-web is running, but it's not a reason to crash
+                        // and it can generate a lot of noise in the tests.
+                        None => continue,
+                    };
+
+                    if searches_running < usize::from(parallelism) && queue.is_empty() {
+                        searches_running += 1;
+                        // if the search requests die it's not a hard error on our side
+                        let _ = search_request.send(Permit { sender: sender.clone() });
+                        continue;
+                    } else if capacity == 0 {
+                        // in the very specific case where we have a capacity of zero
+                        // we must refuse the request straight away without going through
+                        // the queue stuff.
+                        drop(search_request);
+                        continue;
+
+                    } else if queue.len() >= capacity {
+                        let remove = rng.gen_range(0..queue.len());
+                        let thing = queue.swap_remove(remove); // this will drop the channel and notify the search that it won't be processed
+                        drop(thing);
+                    }
+                    queue.push(search_request);
+                },
+            }
+        }
+    }
+
+    /// Returns a search `Permit`.
+    /// It should be dropped as soon as you've freed all the RAM associated with the search request being processed.
+    pub async fn try_get_search_permit(&self) -> Result<Permit, MeilisearchHttpError> {
+        let (sender, receiver) = oneshot::channel();
+        self.sender.send(sender).await.map_err(|_| MeilisearchHttpError::SearchLimiterIsDown)?;
+        receiver.await.map_err(|_| MeilisearchHttpError::TooManySearchRequests(self.capacity))
+    }
+
+    /// Returns `Ok(())` if everything seems normal.
+    /// Returns `Err(MeilisearchHttpError::SearchLimiterIsDown)` if the search limiter seems down.
+    pub fn health(&self) -> Result<(), MeilisearchHttpError> {
+        if self.sender.is_closed() {
+            Err(MeilisearchHttpError::SearchLimiterIsDown)
+        } else {
+            Ok(())
+        }
+    }
+}

meilisearch/tests/auth/authorization.rs

@@ -78,7 +78,7 @@ pub static ALL_ACTIONS: Lazy<HashSet<&'static str>> = Lazy::new(|| {
 });
 
 static INVALID_RESPONSE: Lazy<Value> = Lazy::new(|| {
-    json!({"message": "The provided API key is invalid.",
+    json!({"message": null,
         "code": "invalid_api_key",
         "type": "auth",
         "link": "https://docs.meilisearch.com/errors#invalid_api_key"
@@ -119,7 +119,8 @@ async fn error_access_expired_key() {
     thread::sleep(time::Duration::new(1, 0));
 
     for (method, route) in AUTHORIZATIONS.keys() {
-        let (response, code) = server.dummy_request(method, route).await;
+        let (mut response, code) = server.dummy_request(method, route).await;
+        response["message"] = serde_json::json!(null);
 
         assert_eq!(response, INVALID_RESPONSE.clone(), "on route: {:?} - {:?}", method, route);
         assert_eq!(403, code, "{:?}", &response);
@@ -149,7 +150,8 @@ async fn error_access_unauthorized_index() {
         // filter `products` index routes
         .filter(|(_, route)| route.starts_with("/indexes/products"))
     {
-        let (response, code) = server.dummy_request(method, route).await;
+        let (mut response, code) = server.dummy_request(method, route).await;
+        response["message"] = serde_json::json!(null);
 
         assert_eq!(response, INVALID_RESPONSE.clone(), "on route: {:?} - {:?}", method, route);
         assert_eq!(403, code, "{:?}", &response);
@@ -176,7 +178,8 @@ async fn error_access_unauthorized_action() {
 
         let key = response["key"].as_str().unwrap();
         server.use_api_key(key);
-        let (response, code) = server.dummy_request(method, route).await;
+        let (mut response, code) = server.dummy_request(method, route).await;
+        response["message"] = serde_json::json!(null);
 
         assert_eq!(response, INVALID_RESPONSE.clone(), "on route: {:?} - {:?}", method, route);
         assert_eq!(403, code, "{:?}", &response);
@@ -280,7 +283,7 @@ async fn access_authorized_no_index_restriction() {
                 route,
                 action
             );
-            assert_ne!(code, 403);
+            assert_ne!(code, 403, "on route: {:?} - {:?} with action: {:?}", method, route, action);
         }
     }
 }

meilisearch/tests/auth/errors.rs

@@ -1,7 +1,10 @@
+use actix_web::test;
+use http::StatusCode;
+use jsonwebtoken::{EncodingKey, Header};
 use meili_snap::*;
 use uuid::Uuid;
 
-use crate::common::Server;
+use crate::common::{Server, Value};
 use crate::json;
 
 #[actix_rt::test]
@@ -436,3 +439,262 @@ async fn patch_api_keys_unknown_field() {
     }
     "###);
 }
+
+async fn send_request_with_custom_auth(
+    app: impl actix_web::dev::Service<
+        actix_http::Request,
+        Response = actix_web::dev::ServiceResponse<impl actix_web::body::MessageBody>,
+        Error = actix_web::Error,
+    >,
+    url: &str,
+    auth: &str,
+) -> (Value, StatusCode) {
+    let req = test::TestRequest::get().uri(url).insert_header(("Authorization", auth)).to_request();
+    let res = test::call_service(&app, req).await;
+    let status_code = res.status();
+    let body = test::read_body(res).await;
+    let response: Value = serde_json::from_slice(&body).unwrap_or_default();
+
+    (response, status_code)
+}
+
+#[actix_rt::test]
+async fn invalid_auth_format() {
+    let server = Server::new_auth().await;
+    let app = server.init_web_app().await;
+
+    let req = test::TestRequest::get().uri("/indexes/dog/documents").to_request();
+    let res = test::call_service(&app, req).await;
+    let status_code = res.status();
+    let body = test::read_body(res).await;
+    let response: Value = serde_json::from_slice(&body).unwrap_or_default();
+    snapshot!(status_code, @"401 Unauthorized");
+    snapshot!(response, @r###"
+    {
+      "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"
+    }
+    "###);
+
+    let req = test::TestRequest::get().uri("/indexes/dog/documents").to_request();
+    let res = test::call_service(&app, req).await;
+    let status_code = res.status();
+    let body = test::read_body(res).await;
+    let response: Value = serde_json::from_slice(&body).unwrap_or_default();
+    snapshot!(status_code, @"401 Unauthorized");
+    snapshot!(response, @r###"
+    {
+      "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"
+    }
+    "###);
+
+    let (response, status_code) =
+        send_request_with_custom_auth(&app, "/indexes/dog/documents", "Bearer").await;
+    snapshot!(status_code, @"403 Forbidden");
+    snapshot!(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 invalid_api_key() {
+    let server = Server::new_auth().await;
+    let app = server.init_web_app().await;
+
+    let (response, status_code) =
+        send_request_with_custom_auth(&app, "/indexes/dog/search", "Bearer kefir").await;
+    snapshot!(status_code, @"403 Forbidden");
+    snapshot!(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 uuid = Uuid::nil();
+    let key = json!({ "actions": ["search"], "indexes": ["dog"], "expiresAt": null, "uid": uuid.to_string() });
+    let req = test::TestRequest::post()
+        .uri("/keys")
+        .insert_header(("Authorization", "Bearer MASTER_KEY"))
+        .set_json(&key)
+        .to_request();
+    let res = test::call_service(&app, req).await;
+    let body = test::read_body(res).await;
+    let response: Value = serde_json::from_slice(&body).unwrap_or_default();
+    snapshot!(json_string!(response, { ".createdAt" => "[date]",  ".updatedAt" => "[date]" }), @r###"
+    {
+      "name": null,
+      "description": null,
+      "key": "aeb94973e0b6e912d94165430bbe87dee91a7c4f891ce19050c3910ec96977e9",
+      "uid": "00000000-0000-0000-0000-000000000000",
+      "actions": [
+        "search"
+      ],
+      "indexes": [
+        "dog"
+      ],
+      "expiresAt": null,
+      "createdAt": "[date]",
+      "updatedAt": "[date]"
+    }
+    "###);
+    let key = response["key"].as_str().unwrap();
+
+    let (response, status_code) =
+        send_request_with_custom_auth(&app, "/indexes/doggo/search", &format!("Bearer {key}"))
+            .await;
+    snapshot!(status_code, @"403 Forbidden");
+    snapshot!(response, @r###"
+    {
+      "message": "The API key cannot acces the index `doggo`, authorized indexes are [\"dog\"].",
+      "code": "invalid_api_key",
+      "type": "auth",
+      "link": "https://docs.meilisearch.com/errors#invalid_api_key"
+    }
+    "###);
+}
+
+#[actix_rt::test]
+async fn invalid_tenant_token() {
+    let server = Server::new_auth().await;
+    let app = server.init_web_app().await;
+
+    // The tenant token won't be recognized at all if we're not on a search route
+    let claims = json!({ "tamo": "kefir" });
+    let jwt = jsonwebtoken::encode(&Header::default(), &claims, &EncodingKey::from_secret(b"tamo"))
+        .unwrap();
+    let (response, status_code) =
+        send_request_with_custom_auth(&app, "/indexes/dog/documents", &format!("Bearer {jwt}"))
+            .await;
+    snapshot!(status_code, @"403 Forbidden");
+    snapshot!(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 claims = json!({ "tamo": "kefir" });
+    let jwt = jsonwebtoken::encode(&Header::default(), &claims, &EncodingKey::from_secret(b"tamo"))
+        .unwrap();
+    let (response, status_code) =
+        send_request_with_custom_auth(&app, "/indexes/dog/search", &format!("Bearer {jwt}")).await;
+    snapshot!(status_code, @"403 Forbidden");
+    snapshot!(response, @r###"
+    {
+      "message": "Could not decode tenant token, JSON error: missing field `searchRules` at line 1 column 16.",
+      "code": "invalid_api_key",
+      "type": "auth",
+      "link": "https://docs.meilisearch.com/errors#invalid_api_key"
+    }
+    "###);
+
+    // The error messages are not ideal but that's expected since we cannot _yet_ use deserr
+    let claims = json!({ "searchRules": "kefir" });
+    let jwt = jsonwebtoken::encode(&Header::default(), &claims, &EncodingKey::from_secret(b"tamo"))
+        .unwrap();
+    let (response, status_code) =
+        send_request_with_custom_auth(&app, "/indexes/dog/search", &format!("Bearer {jwt}")).await;
+    snapshot!(status_code, @"403 Forbidden");
+    snapshot!(response, @r###"
+    {
+      "message": "Could not decode tenant token, JSON error: data did not match any variant of untagged enum SearchRules at line 1 column 23.",
+      "code": "invalid_api_key",
+      "type": "auth",
+      "link": "https://docs.meilisearch.com/errors#invalid_api_key"
+    }
+    "###);
+
+    let uuid = Uuid::nil();
+    let claims = json!({ "searchRules": ["kefir"], "apiKeyUid": uuid.to_string() });
+    let jwt = jsonwebtoken::encode(&Header::default(), &claims, &EncodingKey::from_secret(b"tamo"))
+        .unwrap();
+    let (response, status_code) =
+        send_request_with_custom_auth(&app, "/indexes/dog/search", &format!("Bearer {jwt}")).await;
+    snapshot!(status_code, @"403 Forbidden");
+    snapshot!(response, @r###"
+    {
+      "message": "Could not decode tenant token, InvalidSignature.",
+      "code": "invalid_api_key",
+      "type": "auth",
+      "link": "https://docs.meilisearch.com/errors#invalid_api_key"
+    }
+    "###);
+
+    // ~~ For the next tests we first need a valid API key
+    let key = json!({ "actions": ["search"], "indexes": ["dog"], "expiresAt": null, "uid": uuid.to_string() });
+    let req = test::TestRequest::post()
+        .uri("/keys")
+        .insert_header(("Authorization", "Bearer MASTER_KEY"))
+        .set_json(&key)
+        .to_request();
+    let res = test::call_service(&app, req).await;
+    let body = test::read_body(res).await;
+    let response: Value = serde_json::from_slice(&body).unwrap_or_default();
+    snapshot!(json_string!(response, { ".createdAt" => "[date]",  ".updatedAt" => "[date]" }), @r###"
+    {
+      "name": null,
+      "description": null,
+      "key": "aeb94973e0b6e912d94165430bbe87dee91a7c4f891ce19050c3910ec96977e9",
+      "uid": "00000000-0000-0000-0000-000000000000",
+      "actions": [
+        "search"
+      ],
+      "indexes": [
+        "dog"
+      ],
+      "expiresAt": null,
+      "createdAt": "[date]",
+      "updatedAt": "[date]"
+    }
+    "###);
+    let key = response["key"].as_str().unwrap();
+
+    let claims = json!({ "searchRules": ["doggo", "catto"], "apiKeyUid": uuid.to_string() });
+    let jwt = jsonwebtoken::encode(
+        &Header::default(),
+        &claims,
+        &EncodingKey::from_secret(key.as_bytes()),
+    )
+    .unwrap();
+    // Try to access an index that is not authorized by the tenant token
+    let (response, status_code) =
+        send_request_with_custom_auth(&app, "/indexes/dog/search", &format!("Bearer {jwt}")).await;
+    snapshot!(status_code, @"403 Forbidden");
+    snapshot!(response, @r###"
+    {
+      "message": "The provided tenant token cannot acces the index `dog`, allowed indexes are [\"catto\", \"doggo\"].",
+      "code": "invalid_api_key",
+      "type": "auth",
+      "link": "https://docs.meilisearch.com/errors#invalid_api_key"
+    }
+    "###);
+
+    // Try to access an index that *is* authorized by the tenant token but not by the api key used to generate the tt
+    let (response, status_code) =
+        send_request_with_custom_auth(&app, "/indexes/doggo/search", &format!("Bearer {jwt}"))
+            .await;
+    snapshot!(status_code, @"403 Forbidden");
+    snapshot!(response, @r###"
+    {
+      "message": "The API key used to generate this tenant token cannot acces the index `doggo`.",
+      "code": "invalid_api_key",
+      "type": "auth",
+      "link": "https://docs.meilisearch.com/errors#invalid_api_key"
+    }
+    "###);
+}

meilisearch/tests/auth/tenant_token.rs

@@ -53,7 +53,8 @@ static DOCUMENTS: Lazy<Value> = Lazy::new(|| {
 });
 
 static INVALID_RESPONSE: Lazy<Value> = Lazy::new(|| {
-    json!({"message": "The provided API key is invalid.",
+    json!({
+        "message": null,
         "code": "invalid_api_key",
         "type": "auth",
         "link": "https://docs.meilisearch.com/errors#invalid_api_key"
@@ -191,7 +192,9 @@ macro_rules! compute_forbidden_search {
                 server.use_api_key(&web_token);
                 let index = server.index("sales");
                 index
-                    .search(json!({}), |response, code| {
+                    .search(json!({}), |mut response, code| {
+                        // We don't assert anything on the message since it may change between cases
+                        response["message"] = serde_json::json!(null);
                         assert_eq!(
                             response,
                             INVALID_RESPONSE.clone(),
@@ -495,7 +498,8 @@ async fn error_access_forbidden_routes() {
 
     for ((method, route), actions) in AUTHORIZATIONS.iter() {
         if !actions.contains("search") {
-            let (response, code) = server.dummy_request(method, route).await;
+            let (mut response, code) = server.dummy_request(method, route).await;
+            response["message"] = serde_json::json!(null);
             assert_eq!(response, INVALID_RESPONSE.clone());
             assert_eq!(code, 403);
         }
@@ -529,14 +533,16 @@ async fn error_access_expired_parent_key() {
     server.use_api_key(&web_token);
 
     // test search request while parent_key is not expired
-    let (response, code) = server.dummy_request("POST", "/indexes/products/search").await;
+    let (mut response, code) = server.dummy_request("POST", "/indexes/products/search").await;
+    response["message"] = serde_json::json!(null);
     assert_ne!(response, INVALID_RESPONSE.clone());
     assert_ne!(code, 403);
 
     // wait until the key is expired.
     thread::sleep(time::Duration::new(1, 0));
 
-    let (response, code) = server.dummy_request("POST", "/indexes/products/search").await;
+    let (mut response, code) = server.dummy_request("POST", "/indexes/products/search").await;
+    response["message"] = serde_json::json!(null);
     assert_eq!(response, INVALID_RESPONSE.clone());
     assert_eq!(code, 403);
 }
@@ -585,7 +591,8 @@ async fn error_access_modified_token() {
     .join(".");
 
     server.use_api_key(&altered_token);
-    let (response, code) = server.dummy_request("POST", "/indexes/products/search").await;
+    let (mut response, code) = server.dummy_request("POST", "/indexes/products/search").await;
+    response["message"] = serde_json::json!(null);
     assert_eq!(response, INVALID_RESPONSE.clone());
     assert_eq!(code, 403);
 }

meilisearch/tests/auth/tenant_token_multi_search.rs

@@ -109,9 +109,11 @@ static NESTED_DOCUMENTS: Lazy<Value> = Lazy::new(|| {
 
 fn invalid_response(query_index: Option<usize>) -> Value {
     let message = if let Some(query_index) = query_index {
-        format!("Inside `.queries[{query_index}]`: The provided API key is invalid.")
+        json!(format!("Inside `.queries[{query_index}]`: The provided API key is invalid."))
     } else {
-        "The provided API key is invalid.".to_string()
+        // if it's anything else we simply return null and will tests all the
+        // error messages somewhere else
+        json!(null)
     };
     json!({"message": message,
         "code": "invalid_api_key",
@@ -414,7 +416,10 @@ macro_rules! compute_forbidden_single_search {
             for (tenant_token, failed_query_index) in $tenant_tokens.iter().zip(failed_query_indexes.into_iter()) {
                 let web_token = generate_tenant_token(&uid, &key, tenant_token.clone());
                 server.use_api_key(&web_token);
-                let (response, code) = server.multi_search(json!({"queries" : [{"indexUid": "sales"}]})).await;
+                let (mut response, code) = server.multi_search(json!({"queries" : [{"indexUid": "sales"}]})).await;
+                if failed_query_index.is_none() && !response["message"].is_null() {
+                    response["message"] = serde_json::json!(null);
+                }
                 assert_eq!(
                     response,
                     invalid_response(failed_query_index),
@@ -469,10 +474,13 @@ macro_rules! compute_forbidden_multiple_search {
             for (tenant_token, failed_query_index) in $tenant_tokens.iter().zip(failed_query_indexes.into_iter()) {
                 let web_token = generate_tenant_token(&uid, &key, tenant_token.clone());
                 server.use_api_key(&web_token);
-                let (response, code) = server.multi_search(json!({"queries" : [
+                let (mut response, code) = server.multi_search(json!({"queries" : [
                     {"indexUid": "sales"},
                     {"indexUid": "products"},
                 ]})).await;
+                if failed_query_index.is_none() && !response["message"].is_null() {
+                    response["message"] = serde_json::json!(null);
+                }
                 assert_eq!(
                     response,
                     invalid_response(failed_query_index),
@@ -1073,18 +1081,20 @@ async fn error_access_expired_parent_key() {
     server.use_api_key(&web_token);
 
     // test search request while parent_key is not expired
-    let (response, code) = server
+    let (mut response, code) = server
         .multi_search(json!({"queries" : [{"indexUid": "sales"}, {"indexUid": "products"}]}))
         .await;
+    response["message"] = serde_json::json!(null);
     assert_ne!(response, invalid_response(None));
     assert_ne!(code, 403);
 
     // wait until the key is expired.
     thread::sleep(time::Duration::new(1, 0));
 
-    let (response, code) = server
+    let (mut response, code) = server
         .multi_search(json!({"queries" : [{"indexUid": "sales"}, {"indexUid": "products"}]}))
         .await;
+    response["message"] = serde_json::json!(null);
     assert_eq!(response, invalid_response(None));
     assert_eq!(code, 403);
 }
@@ -1134,8 +1144,9 @@ async fn error_access_modified_token() {
     .join(".");
 
     server.use_api_key(&altered_token);
-    let (response, code) =
+    let (mut response, code) =
         server.multi_search(json!({"queries" : [{"indexUid": "products"}]})).await;
+    response["message"] = serde_json::json!(null);
     assert_eq!(response, invalid_response(None));
     assert_eq!(code, 403);
 }