diff --git a/include/util/tdef.h b/include/util/tdef.h
index 48dedd3e3e5bc80f703662cc25644b6ccf8cac76..ad44daed46ee977d14d0b4ba98fa80f8453db887 100644
--- a/include/util/tdef.h
+++ b/include/util/tdef.h
@@ -406,7 +406,7 @@ typedef enum ELogicConditionType {
 #ifdef WINDOWS
 #define TSDB_MAX_RPC_THREADS 4  // windows pipe only support 4 connections.
 #else
-#define TSDB_MAX_RPC_THREADS 10
+#define TSDB_MAX_RPC_THREADS 20
 #endif
 
 #define TSDB_QUERY_TYPE_NON_TYPE 0x00u  // none type
diff --git a/source/client/src/clientImpl.c b/source/client/src/clientImpl.c
index 5b116a46dea456be23045bbeb8c8571cd143272f..124a504f7bf85aa154d48d57f4582483844e41c6 100644
--- a/source/client/src/clientImpl.c
+++ b/source/client/src/clientImpl.c
@@ -131,7 +131,7 @@ STscObj* taos_connect_internal(const char* ip, const char* user, const char* pas
     p = taosMemoryCalloc(1, sizeof(struct SAppInstInfo));
     p->mgmtEp = epSet;
     taosThreadMutexInit(&p->qnodeMutex, NULL);
-    p->pTransporter = openTransporter(user, secretEncrypt, tsNumOfCores);
+    p->pTransporter = openTransporter(user, secretEncrypt, tsNumOfCores / 2);
     p->pAppHbMgr = appHbMgrInit(p, key);
     if (NULL == p->pAppHbMgr) {
       destroyAppInst(p);
diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 2e3389fb621d09ddc328203b6c7b1bfe01ea9ca0..aeef1b5277044c04d591ab0d5061c9bbf25a2cb7 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -308,6 +308,9 @@ static int32_t taosAddClientCfg(SConfig *pCfg) {
 
   tsNumOfTaskQueueThreads = tsNumOfCores / 2;
   tsNumOfTaskQueueThreads = TMAX(tsNumOfTaskQueueThreads, 4);
+  if (tsNumOfTaskQueueThreads >= 10) {
+    tsNumOfTaskQueueThreads = 10;
+  }
   if (cfgAddInt32(pCfg, "numOfTaskQueueThreads", tsNumOfTaskQueueThreads, 4, 1024, 0) != 0) return -1;
 
   return 0;
diff --git a/source/dnode/mgmt/node_mgmt/src/dmTransport.c b/source/dnode/mgmt/node_mgmt/src/dmTransport.c
index 5546d762f437a2afeb43f57e0cb30d13f6561319..f78fd33e4769fcf9328a03183f86242f4d2e4876 100644
--- a/source/dnode/mgmt/node_mgmt/src/dmTransport.c
+++ b/source/dnode/mgmt/node_mgmt/src/dmTransport.c
@@ -250,7 +250,7 @@ int32_t dmInitClient(SDnode *pDnode) {
 
   SRpcInit rpcInit = {0};
   rpcInit.label = "DND-C";
-  rpcInit.numOfThreads = 4;
+  rpcInit.numOfThreads = tsNumOfRpcThreads;
   rpcInit.cfp = (RpcCfp)dmProcessRpcMsg;
   rpcInit.sessions = 1024;
   rpcInit.connType = TAOS_CONN_CLIENT;
diff --git a/source/libs/transport/src/trans.c b/source/libs/transport/src/trans.c
index 94bc128de9052457cc8d41c69ac33dc76fc2d32c..88888f2f8466f43650c4a8e28a470b92a6a0ba4d 100644
--- a/source/libs/transport/src/trans.c
+++ b/source/libs/transport/src/trans.c
@@ -58,6 +58,9 @@ void* rpcOpen(const SRpcInit* pInit) {
   pRpc->destroyFp = pInit->dfp;
 
   pRpc->numOfThreads = pInit->numOfThreads > TSDB_MAX_RPC_THREADS ? TSDB_MAX_RPC_THREADS : pInit->numOfThreads;
+  if (pRpc->numOfThreads <= 0) {
+    pRpc->numOfThreads = 1;
+  }
 
   uint32_t ip = 0;
   if (pInit->connType == TAOS_CONN_SERVER) {
diff --git a/source/libs/transport/src/transCli.c b/source/libs/transport/src/transCli.c
index 55bfb57a827530569b56e90f53658392ca05460f..71cc14493f712df610840539a0fc6c35b19bb11d 100644
--- a/source/libs/transport/src/transCli.c
+++ b/source/libs/transport/src/transCli.c
@@ -656,6 +656,7 @@ static SCliConn* cliCreateConn(SCliThrd* pThrd) {
   conn->stream = (uv_stream_t*)taosMemoryMalloc(sizeof(uv_tcp_t));
   uv_tcp_init(pThrd->loop, (uv_tcp_t*)(conn->stream));
   conn->stream->data = conn;
+  transSetConnOption((uv_tcp_t*)conn->stream);
 
   uv_timer_t* timer = taosArrayGetSize(pThrd->timerList) > 0 ? *(uv_timer_t**)taosArrayPop(pThrd->timerList) : NULL;
   if (timer == NULL) {
diff --git a/source/libs/transport/src/transComm.c b/source/libs/transport/src/transComm.c
index 2759fb5aeb4e6b0eb77b25a6cc68a14844d11523..ad8d57c97a7a8bc9f078ab2171d5a4a76d4f46b3 100644
--- a/source/libs/transport/src/transComm.c
+++ b/source/libs/transport/src/transComm.c
@@ -202,9 +202,8 @@ bool transReadComplete(SConnBuffer* connBuf) {
 }
 
 int transSetConnOption(uv_tcp_t* stream) {
-  uv_tcp_nodelay(stream, 0);
-  int ret = uv_tcp_keepalive(stream, 5, 60);
-  return ret;
+  return uv_tcp_nodelay(stream, 1);
+  // int ret = uv_tcp_keepalive(stream, 5, 60);
 }
 
 SAsyncPool* transAsyncPoolCreate(uv_loop_t* loop, int sz, void* arg, AsyncCB cb) {
diff --git a/source/libs/transport/src/transSvr.c b/source/libs/transport/src/transSvr.c
index b7fe404a4ed8ffdd3cfd92f1fcb06b8caba05a9b..395e28d68f0e037fdabd15c89e6c9b223adf37c3 100644
--- a/source/libs/transport/src/transSvr.c
+++ b/source/libs/transport/src/transSvr.c
@@ -846,7 +846,7 @@ static bool addHandleToAcceptloop(void* arg) {
   return true;
 }
 void* transWorkerThread(void* arg) {
-  setThreadName("trans-worker");
+  setThreadName("trans-svr-work");
   SWorkThrd* pThrd = (SWorkThrd*)arg;
   uv_run(pThrd->loop, UV_RUN_DEFAULT);