Add --experimental-disable-vector-store CLI flag

crates/index-scheduler/src/features.rs

@@ -105,12 +105,17 @@ impl FeatureData {
         let txn = env.read_txn()?;
         let persisted_features: RuntimeTogglableFeatures =
             runtime_features_db.get(&txn, EXPERIMENTAL_FEATURES)?.unwrap_or_default();
-        let InstanceTogglableFeatures { metrics, logs_route, contains_filter } = instance_features;
+        let InstanceTogglableFeatures {
+            metrics,
+            logs_route,
+            contains_filter,
+            disable_vector_store,
+        } = instance_features;
         let runtime = Arc::new(RwLock::new(RuntimeTogglableFeatures {
             metrics: metrics || persisted_features.metrics,
             logs_route: logs_route || persisted_features.logs_route,
             contains_filter: contains_filter || persisted_features.contains_filter,
-            vector_store: true,
+            vector_store: !disable_vector_store,
             ..persisted_features
         }));
 

crates/meilisearch-types/src/features.rs

@@ -15,4 +15,5 @@ pub struct InstanceTogglableFeatures {
     pub metrics: bool,
     pub logs_route: bool,
     pub contains_filter: bool,
+    pub disable_vector_store: bool,
 }

crates/meilisearch/src/analytics/segment_analytics.rs

@@ -269,6 +269,7 @@ impl Infos {
             indexer_options,
             config_file_path,
             no_analytics: _,
+            experimental_disable_vector_store,
         } = options;
 
         let schedule_snapshot = match schedule_snapshot {
@@ -280,7 +281,7 @@ impl Infos {
             indexer_options;
 
         let RuntimeTogglableFeatures {
-            vector_store,
+            vector_store: _,
             metrics,
             logs_route,
             edit_documents_by_function,
@@ -292,7 +293,7 @@ impl Infos {
         Self {
             env,
             experimental_contains_filter: experimental_contains_filter | contains_filter,
-            experimental_vector_store: vector_store,
+            experimental_vector_store: !experimental_disable_vector_store,
             experimental_edit_documents_by_function: edit_documents_by_function,
             experimental_enable_metrics: experimental_enable_metrics | metrics,
             experimental_search_queue_size,

crates/meilisearch/src/option.rs

@@ -52,6 +52,7 @@ 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_CONTAINS_FILTER: &str = "MEILI_EXPERIMENTAL_CONTAINS_FILTER";
+const MEILI_EXPERIMENTAL_DISABLE_VECTOR_STORE: &str = "MEILI_EXPERIMENTAL_DISABLE_VECTOR_STORE";
 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_DROP_SEARCH_AFTER: &str = "MEILI_EXPERIMENTAL_DROP_SEARCH_AFTER";
@@ -360,6 +361,14 @@ pub struct Opt {
     #[serde(default)]
     pub experimental_enable_metrics: bool,
 
+    /// Experimental disabling of the vector store feature. For more information,
+    /// see: <https://www.notion.so/meilisearch/v1-13-AI-search-changes-17a4b06b651f80538b65d31724545def#17a4b06b651f80319796d3e7dbaa57c5>
+    ///
+    /// If set, disables embedder configuration, hybrid search, semantic search and similar requests.
+    #[clap(long, env = MEILI_EXPERIMENTAL_DISABLE_VECTOR_STORE)]
+    #[serde(default)]
+    pub experimental_disable_vector_store: bool,
+
     /// Experimental search queue size. For more information,
     /// see: <https://github.com/orgs/meilisearch/discussions/729>
     ///
@@ -540,6 +549,7 @@ impl Opt {
             experimental_reduce_indexing_memory_usage,
             experimental_max_number_of_batched_tasks,
             experimental_limit_batched_tasks_total_size,
+            experimental_disable_vector_store,
         } = self;
         export_to_env_if_not_present(MEILI_DB_PATH, db_path);
         export_to_env_if_not_present(MEILI_HTTP_ADDR, http_addr);
@@ -588,6 +598,10 @@ impl Opt {
             MEILI_EXPERIMENTAL_CONTAINS_FILTER,
             experimental_contains_filter.to_string(),
         );
+        export_to_env_if_not_present(
+            MEILI_EXPERIMENTAL_DISABLE_VECTOR_STORE,
+            experimental_disable_vector_store.to_string(),
+        );
         export_to_env_if_not_present(
             MEILI_EXPERIMENTAL_ENABLE_METRICS,
             experimental_enable_metrics.to_string(),
@@ -680,6 +694,7 @@ impl Opt {
             metrics: self.experimental_enable_metrics,
             logs_route: self.experimental_enable_logs_route,
             contains_filter: self.experimental_contains_filter,
+            disable_vector_store: self.experimental_disable_vector_store,
         }
     }
 }