diff --git a/include/libs/transport/trpc.h b/include/libs/transport/trpc.h
index 5afafa08a3..f913ba06d0 100644
--- a/include/libs/transport/trpc.h
+++ b/include/libs/transport/trpc.h
@@ -29,6 +29,8 @@ extern "C" {
 
 extern int tsRpcHeadSize;
 
+typedef struct SRpcPush SRpcPush;
+
 typedef struct SRpcConnInfo {
   uint32_t clientIp;
   uint16_t clientPort;
@@ -43,8 +45,17 @@ typedef struct SRpcMsg {
   int32_t code;
   void *  handle;   // rpc handle returned to app
   void *  ahandle;  // app handle set by client
+  int     persist;  // keep handle or not, default 0
+
+  SRpcPush *push;
+
 } SRpcMsg;
 
+typedef struct SRpcPush {
+  void *arg;
+  int (*callback)(void *arg, SRpcMsg *rpcMsg);
+} SRpcPush;
+
 typedef struct SRpcInit {
   uint16_t localPort;     // local port
   char *   label;         // for debug purpose
@@ -83,6 +94,7 @@ int     rpcGetConnInfo(void *thandle, SRpcConnInfo *pInfo);
 void    rpcSendRecv(void *shandle, SEpSet *pEpSet, SRpcMsg *pReq, SRpcMsg *pRsp);
 int     rpcReportProgress(void *pConn, char *pCont, int contLen);
 void    rpcCancelRequest(int64_t rid);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/libs/transport/src/transCli.c b/source/libs/transport/src/transCli.c
index decd0af484..29770831fa 100644
--- a/source/libs/transport/src/transCli.c
+++ b/source/libs/transport/src/transCli.c
@@ -27,12 +27,16 @@ typedef struct SCliConn {
   SConnBuffer  readBuf;
   void*        data;
   queue        conn;
-  char         spi;
-  char         secured;
   uint64_t     expireTime;
   int8_t       notifyCount;  // timers already notify to client
-  int32_t      ref;
 
+  SRpcPush* push;
+  int       persist;  //
+  // spi configure
+  char    spi;
+  char    secured;
+  int32_t ref;
+  // debug and log info
   struct sockaddr_in addr;
 } SCliConn;
 
@@ -128,13 +132,18 @@ static void clientHandleResp(SCliConn* conn) {
 
   tDebug("client conn %p %s received from %s:%d", conn, TMSG_INFO(pHead->msgType), inet_ntoa(conn->addr.sin_addr),
          ntohs(conn->addr.sin_port));
-  if (pCtx->pSem == NULL) {
-    tTrace("client conn(sync) %p handle resp", conn);
-    (pRpc->cfp)(pRpc->parent, &rpcMsg, NULL);
+
+  if (conn->push != NULL && conn->notifyCount != 0) {
+    (*conn->push->callback)(conn->push->arg, &rpcMsg);
   } else {
-    tTrace("client conn(sync) %p handle resp", conn);
-    memcpy((char*)pCtx->pRsp, (char*)&rpcMsg, sizeof(rpcMsg));
-    tsem_post(pCtx->pSem);
+    if (pCtx->pSem == NULL) {
+      tTrace("client conn(sync) %p handle resp", conn);
+      (pRpc->cfp)(pRpc->parent, &rpcMsg, NULL);
+    } else {
+      tTrace("client conn(sync) %p handle resp", conn);
+      memcpy((char*)pCtx->pRsp, (char*)&rpcMsg, sizeof(rpcMsg));
+      tsem_post(pCtx->pSem);
+    }
   }
   conn->notifyCount += 1;
 
@@ -144,7 +153,10 @@ static void clientHandleResp(SCliConn* conn) {
   uv_read_start((uv_stream_t*)conn->stream, clientAllocBufferCb, clientReadCb);
 
   SCliThrdObj* pThrd = conn->hostThrd;
-  addConnToPool(pThrd->pool, pCtx->ip, pCtx->port, conn);
+  // user owns conn->persist = 1
+  if (conn->push != NULL) {
+    addConnToPool(pThrd->pool, pCtx->ip, pCtx->port, conn);
+  }
 
   destroyCmsg(pMsg);
   conn->data = NULL;
@@ -154,7 +166,7 @@ static void clientHandleResp(SCliConn* conn) {
   }
 }
 static void clientHandleExcept(SCliConn* pConn) {
-  if (pConn->data == NULL) {
+  if (pConn->data == NULL && pConn->push == NULL) {
     // handle conn except in conn pool
     clientConnDestroy(pConn, true);
     return;
@@ -162,20 +174,25 @@ static void clientHandleExcept(SCliConn* pConn) {
   tTrace("client conn %p start to destroy", pConn);
   SCliMsg* pMsg = pConn->data;
 
-  destroyUserdata(&pMsg->msg);
-
   STransConnCtx* pCtx = pMsg->ctx;
 
   SRpcMsg rpcMsg = {0};
   rpcMsg.ahandle = pCtx->ahandle;
   rpcMsg.code = TSDB_CODE_RPC_NETWORK_UNAVAIL;
-  if (pCtx->pSem == NULL) {
-    // SRpcInfo* pRpc = pMsg->ctx->pRpc;
-    (pCtx->pTransInst->cfp)(pCtx->pTransInst->parent, &rpcMsg, NULL);
+
+  if (pConn->push != NULL && pConn->notifyCount != 0) {
+    (*pConn->push->callback)(pConn->push->arg, &rpcMsg);
   } else {
-    memcpy((char*)(pCtx->pRsp), (char*)(&rpcMsg), sizeof(rpcMsg));
-    // SRpcMsg rpcMsg
-    tsem_post(pCtx->pSem);
+    if (pCtx->pSem == NULL) {
+      (pCtx->pTransInst->cfp)(pCtx->pTransInst->parent, &rpcMsg, NULL);
+    } else {
+      memcpy((char*)(pCtx->pRsp), (char*)(&rpcMsg), sizeof(rpcMsg));
+      // SRpcMsg rpcMsg
+      tsem_post(pCtx->pSem);
+    }
+    if (pConn->push != NULL) {
+      (*pConn->push->callback)(pConn->push->arg, &rpcMsg);
+    }
   }
 
   destroyCmsg(pMsg);
@@ -411,6 +428,10 @@ static void clientHandleReq(SCliMsg* pMsg, SCliThrdObj* pThrd) {
   tTrace("client msg tran time cost: %" PRIu64 "", el);
   et = taosGetTimestampUs();
 
+  // if (pMsg->msg.handle != NULL) {
+  //  // handle
+  //}
+
   STransConnCtx* pCtx = pMsg->ctx;
   SCliConn*      conn = getConnFromPool(pThrd->pool, pCtx->ip, pCtx->port);
   if (conn != NULL) {
@@ -426,6 +447,8 @@ static void clientHandleReq(SCliMsg* pMsg, SCliThrdObj* pThrd) {
     }
     clientWrite(conn);
 
+    conn->push = pMsg->msg.push;
+
   } else {
     SCliConn* conn = calloc(1, sizeof(SCliConn));
     conn->ref++;
@@ -444,6 +467,8 @@ static void clientHandleReq(SCliMsg* pMsg, SCliThrdObj* pThrd) {
     conn->data = pMsg;
     conn->hostThrd = pThrd;
 
+    conn->push = pMsg->msg.push;
+
     struct sockaddr_in addr;
     uv_ip4_addr(pMsg->ctx->ip, pMsg->ctx->port, &addr);
     // handle error in callback if fail to connect
diff --git a/source/libs/transport/test/pushClient.c b/source/libs/transport/test/pushClient.c
new file mode 100644
index 0000000000..2756eb4666
--- /dev/null
+++ b/source/libs/transport/test/pushClient.c
@@ -0,0 +1,239 @@
+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <sys/time.h>
+
+#include <tep.h>
+#include "os.h"
+#include "rpcLog.h"
+#include "taoserror.h"
+#include "tglobal.h"
+#include "trpc.h"
+#include "tutil.h"
+
+typedef struct {
+  int       index;
+  SEpSet    epSet;
+  int       num;
+  int       numOfReqs;
+  int       msgSize;
+  tsem_t    rspSem;
+  tsem_t *  pOverSem;
+  pthread_t thread;
+  void *    pRpc;
+} SInfo;
+static void processResponse(void *pParent, SRpcMsg *pMsg, SEpSet *pEpSet) {
+  SInfo *pInfo = (SInfo *)pMsg->ahandle;
+  tDebug("thread:%d, response is received, type:%d contLen:%d code:0x%x", pInfo->index, pMsg->msgType, pMsg->contLen,
+         pMsg->code);
+
+  if (pEpSet) pInfo->epSet = *pEpSet;
+
+  rpcFreeCont(pMsg->pCont);
+  // tsem_post(&pInfo->rspSem);
+  tsem_post(&pInfo->rspSem);
+}
+
+static int tcount = 0;
+
+typedef struct SPushArg {
+  tsem_t sem;
+
+} SPushArg;
+
+int pushCallback(void *arg, SRpcMsg *msg) {
+  SPushArg *push = arg;
+  tsem_post(&push->sem);
+}
+SRpcPush *createPushArg() {
+  SRpcPush *push = calloc(1, sizeof(SRpcPush));
+  push->arg = calloc(1, sizeof(SPushArg));
+  tsem_init(&push->arg->sem, 0, 0);
+  push->callback = pushCallback;
+  return push;
+}
+static void *sendRequest(void *param) {
+  SInfo * pInfo = (SInfo *)param;
+  SRpcMsg rpcMsg = {0};
+
+  tDebug("thread:%d, start to send request", pInfo->index);
+
+  tDebug("thread:%d, reqs: %d", pInfo->index, pInfo->numOfReqs);
+  int u100 = 0;
+  int u500 = 0;
+  int u1000 = 0;
+  int u10000 = 0;
+
+  while (pInfo->numOfReqs == 0 || pInfo->num < pInfo->numOfReqs) {
+    SRpcPush *push = createPushArg();
+    pInfo->num++;
+    rpcMsg.pCont = rpcMallocCont(pInfo->msgSize);
+    rpcMsg.contLen = pInfo->msgSize;
+    rpcMsg.ahandle = pInfo;
+    rpcMsg.msgType = 1;
+    rpcMsg.push = push;
+    ;
+    // tDebug("thread:%d, send request, contLen:%d num:%d", pInfo->index, pInfo->msgSize, pInfo->num);
+    int64_t start = taosGetTimestampUs();
+    rpcSendRequest(pInfo->pRpc, &pInfo->epSet, &rpcMsg, NULL);
+    if (pInfo->num % 20000 == 0) tInfo("thread:%d, %d requests have been sent", pInfo->index, pInfo->num);
+    tsem_wait(&pInfo->rspSem);
+    // tsem_wait(&pInfo->rspSem);
+    tsem_wait(&push->sem);
+    int64_t end = taosGetTimestampUs() - start;
+    if (end <= 100) {
+      u100++;
+    } else if (end > 100 && end <= 500) {
+      u500++;
+    } else if (end > 500 && end < 1000) {
+      u1000++;
+    } else {
+      u10000++;
+    }
+
+    tDebug("recv response succefully");
+
+    // usleep(100000000);
+  }
+
+  tError("send and recv sum: %d, %d, %d, %d", u100, u500, u1000, u10000);
+  tDebug("thread:%d, it is over", pInfo->index);
+  tcount++;
+
+  return NULL;
+}
+
+int main(int argc, char *argv[]) {
+  SRpcInit       rpcInit;
+  SEpSet         epSet;
+  int            msgSize = 128;
+  int            numOfReqs = 0;
+  int            appThreads = 1;
+  char           serverIp[40] = "127.0.0.1";
+  char           secret[20] = "mypassword";
+  struct timeval systemTime;
+  int64_t        startTime, endTime;
+  pthread_attr_t thattr;
+
+  // server info
+  epSet.inUse = 0;
+  addEpIntoEpSet(&epSet, serverIp, 7000);
+  addEpIntoEpSet(&epSet, "192.168.0.1", 7000);
+
+  // client info
+  memset(&rpcInit, 0, sizeof(rpcInit));
+  rpcInit.localPort = 0;
+  rpcInit.label = "APP";
+  rpcInit.numOfThreads = 1;
+  rpcInit.cfp = processResponse;
+  rpcInit.sessions = 100;
+  rpcInit.idleTime = 100;
+  rpcInit.user = "michael";
+  rpcInit.secret = secret;
+  rpcInit.ckey = "key";
+  rpcInit.spi = 1;
+  rpcInit.connType = TAOS_CONN_CLIENT;
+
+  for (int i = 1; i < argc; ++i) {
+    if (strcmp(argv[i], "-p") == 0 && i < argc - 1) {
+      epSet.eps[0].port = atoi(argv[++i]);
+    } else if (strcmp(argv[i], "-i") == 0 && i < argc - 1) {
+      tstrncpy(epSet.eps[0].fqdn, argv[++i], sizeof(epSet.eps[0].fqdn));
+    } else if (strcmp(argv[i], "-t") == 0 && i < argc - 1) {
+      rpcInit.numOfThreads = atoi(argv[++i]);
+    } else if (strcmp(argv[i], "-m") == 0 && i < argc - 1) {
+      msgSize = atoi(argv[++i]);
+    } else if (strcmp(argv[i], "-s") == 0 && i < argc - 1) {
+      rpcInit.sessions = atoi(argv[++i]);
+    } else if (strcmp(argv[i], "-n") == 0 && i < argc - 1) {
+      numOfReqs = atoi(argv[++i]);
+    } else if (strcmp(argv[i], "-a") == 0 && i < argc - 1) {
+      appThreads = atoi(argv[++i]);
+    } else if (strcmp(argv[i], "-o") == 0 && i < argc - 1) {
+      tsCompressMsgSize = atoi(argv[++i]);
+    } else if (strcmp(argv[i], "-u") == 0 && i < argc - 1) {
+      rpcInit.user = argv[++i];
+    } else if (strcmp(argv[i], "-k") == 0 && i < argc - 1) {
+      rpcInit.secret = argv[++i];
+    } else if (strcmp(argv[i], "-spi") == 0 && i < argc - 1) {
+      rpcInit.spi = atoi(argv[++i]);
+    } else if (strcmp(argv[i], "-d") == 0 && i < argc - 1) {
+      rpcDebugFlag = atoi(argv[++i]);
+    } else {
+      printf("\nusage: %s [options] \n", argv[0]);
+      printf("  [-i ip]: first server IP address, default is:%s\n", serverIp);
+      printf("  [-p port]: server port number, default is:%d\n", epSet.eps[0].port);
+      printf("  [-t threads]: number of rpc threads, default is:%d\n", rpcInit.numOfThreads);
+      printf("  [-s sessions]: number of rpc sessions, default is:%d\n", rpcInit.sessions);
+      printf("  [-m msgSize]: message body size, default is:%d\n", msgSize);
+      printf("  [-a threads]: number of app threads, default is:%d\n", appThreads);
+      printf("  [-n requests]: number of requests per thread, default is:%d\n", numOfReqs);
+      printf("  [-o compSize]: compression message size, default is:%d\n", tsCompressMsgSize);
+      printf("  [-u user]: user name for the connection, default is:%s\n", rpcInit.user);
+      printf("  [-k secret]: password for the connection, default is:%s\n", rpcInit.secret);
+      printf("  [-spi SPI]: security parameter index, default is:%d\n", rpcInit.spi);
+      printf("  [-d debugFlag]: debug flag, default:%d\n", rpcDebugFlag);
+      printf("  [-h help]: print out this help\n\n");
+      exit(0);
+    }
+  }
+
+  taosInitLog("client.log", 100000, 10);
+
+  void *pRpc = rpcOpen(&rpcInit);
+  if (pRpc == NULL) {
+    tError("failed to initialize RPC");
+    return -1;
+  }
+
+  tInfo("client is initialized");
+  tInfo("threads:%d msgSize:%d requests:%d", appThreads, msgSize, numOfReqs);
+
+  gettimeofday(&systemTime, NULL);
+  startTime = systemTime.tv_sec * 1000000 + systemTime.tv_usec;
+
+  SInfo *pInfo = (SInfo *)calloc(1, sizeof(SInfo) * appThreads);
+
+  pthread_attr_init(&thattr);
+  pthread_attr_setdetachstate(&thattr, PTHREAD_CREATE_JOINABLE);
+
+  for (int i = 0; i < appThreads; ++i) {
+    pInfo->index = i;
+    pInfo->epSet = epSet;
+    pInfo->numOfReqs = numOfReqs;
+    pInfo->msgSize = msgSize;
+    tsem_init(&pInfo->rspSem, 0, 0);
+    pInfo->pRpc = pRpc;
+    pthread_create(&pInfo->thread, &thattr, sendRequest, pInfo);
+    pInfo++;
+  }
+
+  do {
+    usleep(1);
+  } while (tcount < appThreads);
+
+  gettimeofday(&systemTime, NULL);
+  endTime = systemTime.tv_sec * 1000000 + systemTime.tv_usec;
+  float usedTime = (endTime - startTime) / 1000.0f;  // mseconds
+
+  tInfo("it takes %.3f mseconds to send %d requests to server", usedTime, numOfReqs * appThreads);
+  tInfo("Performance: %.3f requests per second, msgSize:%d bytes", 1000.0 * numOfReqs * appThreads / usedTime, msgSize);
+
+  int ch = getchar();
+  UNUSED(ch);
+
+  taosCloseLog();
+
+  return 0;
+}