diff --git a/include/util/tdef.h b/include/util/tdef.h
index 6d893765fcfb77b520ee2067a86e7ec28c1537ab..a7747b9b45f8f65e4b4e6b3b343d8e48f5294fed 100644
--- a/include/util/tdef.h
+++ b/include/util/tdef.h
@@ -396,7 +396,7 @@ typedef enum ELogicConditionType {
 #ifdef WINDOWS
 #define TSDB_MAX_RPC_THREADS 4  // windows pipe only support 4 connections.
 #else
-#define TSDB_MAX_RPC_THREADS 5
+#define TSDB_MAX_RPC_THREADS 10
 #endif
 
 #define TSDB_QUERY_TYPE_NON_TYPE      0x00u  // none type