diff --git a/include/util/tdef.h b/include/util/tdef.h
index e03352d98b..aeb8d08936 100644
--- a/include/util/tdef.h
+++ b/include/util/tdef.h
@@ -281,8 +281,8 @@ typedef enum ELogicConditionType {
 #define TSDB_DNODE_ROLE_MGMT  1
 #define TSDB_DNODE_ROLE_VNODE 2
 
-#define TSDB_MAX_REPLICA          5
-#define TSDB_SYNC_LOG_BUFFER_SIZE 4096
+#define TSDB_MAX_REPLICA               5
+#define TSDB_SYNC_LOG_BUFFER_SIZE      4096
 #define TSDB_SYNC_LOG_BUFFER_RETENTION (TSDB_SYNC_LOG_BUFFER_SIZE >> 4)
 
 #define TSDB_TBNAME_COLUMN_INDEX     (-1)
@@ -413,7 +413,7 @@ typedef enum ELogicConditionType {
 #ifdef WINDOWS
 #define TSDB_MAX_RPC_THREADS 4  // windows pipe only support 4 connections.
 #else
-#define TSDB_MAX_RPC_THREADS 20
+#define TSDB_MAX_RPC_THREADS 10
 #endif
 
 #define TSDB_QUERY_TYPE_NON_TYPE 0x00u  // none type
diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 37e356da01..e0b89aa32b 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -388,7 +388,7 @@ static int32_t taosAddServerCfg(SConfig *pCfg) {
   if (cfgAddInt32(pCfg, "queryRspPolicy", tsQueryRspPolicy, 0, 1, 0) != 0) return -1;
 
   tsNumOfRpcThreads = tsNumOfCores / 2;
-  tsNumOfRpcThreads = TRANGE(tsNumOfRpcThreads, 2, 4);
+  tsNumOfRpcThreads = TRANGE(tsNumOfRpcThreads, 2, TSDB_MAX_RPC_THREADS);
   if (cfgAddInt32(pCfg, "numOfRpcThreads", tsNumOfRpcThreads, 1, 1024, 0) != 0) return -1;
 
   tsNumOfCommitThreads = tsNumOfCores / 2;
@@ -496,7 +496,7 @@ static int32_t taosUpdateServerCfg(SConfig *pCfg) {
   pItem = cfgGetItem(tsCfg, "numOfRpcThreads");
   if (pItem != NULL && pItem->stype == CFG_STYPE_DEFAULT) {
     tsNumOfRpcThreads = numOfCores / 2;
-    tsNumOfRpcThreads = TRANGE(tsNumOfRpcThreads, 2, 4);
+    tsNumOfRpcThreads = TRANGE(tsNumOfRpcThreads, 2, TSDB_MAX_RPC_THREADS);
     pItem->i32 = tsNumOfRpcThreads;
     pItem->stype = stype;
   }
diff --git a/source/dnode/mgmt/node_mgmt/src/dmTransport.c b/source/dnode/mgmt/node_mgmt/src/dmTransport.c
index 8751b575f3..1ddab769d8 100644
--- a/source/dnode/mgmt/node_mgmt/src/dmTransport.c
+++ b/source/dnode/mgmt/node_mgmt/src/dmTransport.c
@@ -286,7 +286,7 @@ int32_t dmInitClient(SDnode *pDnode) {
 
   int32_t connLimitNum = 30000 / (tsNumOfRpcThreads * 3);
   connLimitNum = TMAX(connLimitNum, 500);
-  connLimitNum = TMIN(connLimitNum, 3000);
+  connLimitNum = TMIN(connLimitNum, 1000);
 
   rpcInit.connLimitNum = connLimitNum;
   rpcInit.connLimitLock = 1;
diff --git a/source/libs/transport/test/cliBench.c b/source/libs/transport/test/cliBench.c
index 8db1001995..5901a71929 100644
--- a/source/libs/transport/test/cliBench.c
+++ b/source/libs/transport/test/cliBench.c
@@ -116,7 +116,7 @@ int main(int argc, char *argv[]) {
   rpcInit.connType = TAOS_CONN_CLIENT;
   rpcInit.connLimitNum = 300;
   rpcInit.connLimitLock = 1;
-  rpcInit.supportBatch = 0;
+  rpcInit.supportBatch = 1;
 
   rpcDebugFlag = 135;
   for (int i = 1; i < argc; ++i) {