diff --git a/ydb/core/protos/index_builder.proto b/ydb/core/protos/index_builder.proto
index c14c54e3479e..12beb69e56de 100644
--- a/ydb/core/protos/index_builder.proto
+++ b/ydb/core/protos/index_builder.proto
@@ -28,7 +28,7 @@ message TIndexBuildSettings {
     optional bool pg_mode = 8 [ default = false];
     optional bool if_not_exist = 9 [ default = false];
 
-    optional uint32 max_batch_rows = 3 [ default = 500 ];
+    optional uint32 max_batch_rows = 3 [ default = 50000 ];
     optional uint64 max_batch_bytes = 4 [ default = 8388608 ];
     optional uint32 max_shards_in_flight = 5 [ default = 32 ];
     optional uint32 max_retries_upload_batch = 6 [ default = 50 ];