Revert hnsw m min value validation (#1797)

* revert hnsw m min value

* grpc goo

* update openapi

docs/redoc/master/openapi.json

@@ -3968,8 +3968,7 @@
             "description": "Number of edges per node in the index graph. Larger the value - more accurate the search, more space required.",
             "type": "integer",
             "format": "uint",
-            "maximum": 10000,
-            "minimum": 4
+            "minimum": 0
           },
           "ef_construct": {
             "description": "Number of neighbours to consider during the index building. Larger the value - more accurate the search, more time required to build index.",

lib/api/build.rs

@@ -93,7 +93,6 @@ fn configure_validation(builder: Builder) -> Builder {
             ("DeleteCollection.timeout", "custom = \"crate::grpc::validate::validate_u64_range_min_1\""),
             ("ChangeAliases.timeout", "custom = \"crate::grpc::validate::validate_u64_range_min_1\""),
             ("ListCollectionAliasesRequest.collection_name", "length(min = 1, max = 255)"),
-            ("HnswConfigDiff.m", "custom = \"crate::grpc::validate::validate_u64_range_min_4_max_10000\""),
             ("HnswConfigDiff.ef_construct", "custom = \"crate::grpc::validate::validate_u64_range_min_4\""),
             ("WalConfigDiff.wal_capacity_mb", "custom = \"crate::grpc::validate::validate_u64_range_min_1\""),
             ("OptimizersConfigDiff.deleted_threshold", "custom = \"crate::grpc::validate::validate_f64_range_1\""),

lib/api/src/grpc/qdrant.rs

@@ -96,7 +96,6 @@ pub struct HnswConfigDiff {
     ///
     /// Number of edges per node in the index graph. Larger the value - more accurate the search, more space required.
     #[prost(uint64, optional, tag = "1")]
-    #[validate(custom = "crate::grpc::validate::validate_u64_range_min_4_max_10000")]
     pub m: ::core::option::Option<u64>,
     ///
     /// Number of neighbours to consider during the index building. Larger the value - more accurate the search, more time required to build the index.

lib/segment/src/types.rs

@@ -312,7 +312,6 @@ pub enum Indexes {
 #[serde(rename_all = "snake_case")]
 pub struct HnswConfig {
     /// Number of edges per node in the index graph. Larger the value - more accurate the search, more space required.
-    #[validate(range(min = 4, max = 10_000))]
     pub m: usize,
     /// Number of neighbours to consider during the index building. Larger the value - more accurate the search, more time required to build index.
     #[validate(range(min = 4))]