diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 5c8f8e885d990d78ac645bb406643967df812df3..83c80c355dc16030dc21821ac0202c66d073f63c 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -332,6 +332,10 @@ static int32_t taosAddClientCfg(SConfig *pCfg) {
   if (cfgAddBool(pCfg, "useAdapter", tsUseAdapter, true) != 0) return -1;
   if (cfgAddBool(pCfg, "crashReporting", tsEnableCrashReport, true) != 0) return -1;
 
+  tsNumOfRpcThreads = tsNumOfCores / 2;
+  tsNumOfRpcThreads = TRANGE(tsNumOfRpcThreads, 2, TSDB_MAX_RPC_THREADS);
+  if (cfgAddInt32(pCfg, "numOfRpcThreads", tsNumOfRpcThreads, 1, 1024, 0) != 0) return -1;
+
   tsNumOfRpcSessions = TRANGE(tsNumOfRpcSessions, 100, 100000);
   if (cfgAddInt32(pCfg, "numOfRpcSessions", tsNumOfRpcSessions, 1, 100000, 0) != 0) return -1;