diff --git a/assets/grafana-dashboard.json b/assets/grafana-dashboard.json
index 027afcbba..4c1afd2c7 100644
--- a/assets/grafana-dashboard.json
+++ b/assets/grafana-dashboard.json
@@ -1501,6 +1501,300 @@
       "title": "Task queue latency",
       "type": "timeseries"
     },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisBorderShow": false,
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 15,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "insertNulls": false,
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "never",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green"
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          },
+          "unit": "none"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 11,
+        "w": 12,
+        "x": 12,
+        "y": 51
+      },
+      "id": 29,
+      "interval": "5s",
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "right",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "pluginVersion": "8.1.4",
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "builder",
+          "exemplar": true,
+          "expr": "meilisearch_task_queue_used_size{instance=\"$instance\", job=\"$job\"}",
+          "interval": "",
+          "legendFormat": "{{value}} ",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Task queue used size in bytes",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisBorderShow": false,
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 15,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "insertNulls": false,
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "never",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green"
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          },
+          "unit": "none"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 11,
+        "w": 12,
+        "x": 12,
+        "y": 51
+      },
+      "id": 29,
+      "interval": "5s",
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "right",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "pluginVersion": "8.1.4",
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "builder",
+          "exemplar": true,
+          "expr": "meilisearch_task_queue_size_until_stop_registering{instance=\"$instance\", job=\"$job\"}",
+          "interval": "",
+          "legendFormat": "{{value}} ",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Task queue available size until it stop receiving tasks.",
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisBorderShow": false,
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 15,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "insertNulls": false,
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "never",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green"
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          },
+          "unit": "none"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 11,
+        "w": 12,
+        "x": 12,
+        "y": 51
+      },
+      "id": 29,
+      "interval": "5s",
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "right",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "pluginVersion": "8.1.4",
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "editorMode": "builder",
+          "exemplar": true,
+          "expr": "meilisearch_task_queue_max_size{instance=\"$instance\", job=\"$job\"}",
+          "interval": "",
+          "legendFormat": "{{value}} ",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Task queue maximum possible size",
+      "type": "stat"
+    },
     {
       "collapsed": true,
       "datasource": {
diff --git a/crates/index-scheduler/src/lib.rs b/crates/index-scheduler/src/lib.rs
index 7fcc42593..a5afdcbf9 100644
--- a/crates/index-scheduler/src/lib.rs
+++ b/crates/index-scheduler/src/lib.rs
@@ -74,6 +74,8 @@ use crate::utils::clamp_to_page_size;
 
 pub(crate) type BEI128 = I128<BE>;
 
+const TASK_SCHEDULER_SIZE_THRESHOLD_PERCENT_INT: u64 = 40;
+
 #[derive(Debug)]
 pub struct IndexSchedulerOptions {
     /// The path to the version file of Meilisearch.
@@ -425,6 +427,17 @@ impl IndexScheduler {
         Ok(self.env.non_free_pages_size()?)
     }
 
+    /// Return the maximum possible database size
+    pub fn max_size(&self) -> Result<u64> {
+        Ok(self.env.info().map_size as u64)
+    }
+
+    /// Return the max size of task allowed until the task queue stop receiving.
+    pub fn remaining_size_until_task_queue_stop(&self) -> Result<u64> {
+        Ok((self.env.info().map_size as u64 * TASK_SCHEDULER_SIZE_THRESHOLD_PERCENT_INT / 100)
+            .saturating_sub(self.used_size()?))
+    }
+
     /// Return the index corresponding to the name.
     ///
     /// * If the index wasn't opened before, the index will be opened.
@@ -627,7 +640,8 @@ impl IndexScheduler {
     ) -> Result<Task> {
         // if the task doesn't delete or cancel anything and 40% of the task queue is full, we must refuse to enqueue the incoming task
         if !matches!(&kind, KindWithContent::TaskDeletion { tasks, .. } | KindWithContent::TaskCancelation { tasks, .. } if !tasks.is_empty())
-            && (self.env.non_free_pages_size()? * 100) / self.env.info().map_size as u64 > 40
+            && (self.env.non_free_pages_size()? * 100) / self.env.info().map_size as u64
+                > TASK_SCHEDULER_SIZE_THRESHOLD_PERCENT_INT
         {
             return Err(Error::NoSpaceLeftInTaskQueue);
         }
diff --git a/crates/meilisearch/src/metrics.rs b/crates/meilisearch/src/metrics.rs
index a48554e6c..29c1aeae8 100644
--- a/crates/meilisearch/src/metrics.rs
+++ b/crates/meilisearch/src/metrics.rs
@@ -68,4 +68,20 @@ lazy_static! {
         "Meilisearch Task Queue Latency in Seconds",
     )
     .expect("Can't create a metric");
+    pub static ref MEILISEARCH_TASK_QUEUE_MAX_SIZE: IntGauge = register_int_gauge!(opts!(
+        "meilisearch_task_queue_max_size",
+        "Meilisearch Task Queue Max Size",
+    ))
+    .expect("Can't create a metric");
+    pub static ref MEILISEARCH_TASK_QUEUE_USED_SIZE: IntGauge = register_int_gauge!(opts!(
+        "meilisearch_task_queue_used_size",
+        "Meilisearch Task Queue Used Size"
+    ))
+    .expect("Can't create a metric");
+    pub static ref MEILISEARCH_TASK_QUEUE_SIZE_UNTIL_STOP_REGISTERING: IntGauge =
+        register_int_gauge!(opts!(
+            "meilisearch_task_queue_size_until_stop_registering",
+            "Meilisearch Task Queue Size Until Stop Registering",
+        ))
+        .expect("Can't create a metric");
 }
diff --git a/crates/meilisearch/src/routes/metrics.rs b/crates/meilisearch/src/routes/metrics.rs
index 6e93284c2..31abb93a7 100644
--- a/crates/meilisearch/src/routes/metrics.rs
+++ b/crates/meilisearch/src/routes/metrics.rs
@@ -169,6 +169,11 @@ pub async fn get_metrics(
         .map(|task| (OffsetDateTime::now_utc() - task.enqueued_at).as_seconds_f64())
         .unwrap_or(0.0);
     crate::metrics::MEILISEARCH_TASK_QUEUE_LATENCY_SECONDS.set(task_queue_latency_seconds);
+    crate::metrics::MEILISEARCH_TASK_QUEUE_MAX_SIZE.set(index_scheduler.max_size()? as i64);
+    crate::metrics::MEILISEARCH_TASK_QUEUE_USED_SIZE.set(index_scheduler.used_size()? as i64);
+
+    crate::metrics::MEILISEARCH_TASK_QUEUE_SIZE_UNTIL_STOP_REGISTERING
+        .set(index_scheduler.remaining_size_until_task_queue_stop()? as i64);
 
     let encoder = TextEncoder::new();
     let mut buffer = vec![];