diff --git a/include/libs/stream/tstream.h b/include/libs/stream/tstream.h
index 2b3a1f2650..937ac2b408 100644
--- a/include/libs/stream/tstream.h
+++ b/include/libs/stream/tstream.h
@@ -152,7 +152,6 @@ void*   streamDataBlockDecode(const void* buf, SStreamDataBlock* pInput);
 typedef struct {
   char* qmsg;
   // followings are not applicable to encoder and decoder
-  // void* inputHandle;
   void* executor;
 } STaskExec;
 
@@ -400,15 +399,13 @@ typedef struct {
 
 int32_t tDecodeStreamDispatchReq(SDecoder* pDecoder, SStreamDispatchReq* pReq);
 
-int32_t streamLaunchByWrite(SStreamTask* pTask, int32_t vgId, SMsgCb* pMsgCb);
+int32_t streamLaunchByWrite(SStreamTask* pTask, int32_t vgId);
 int32_t streamSetupTrigger(SStreamTask* pTask);
 
-int32_t streamTaskRun(SStreamTask* pTask);
-
-int32_t streamTaskProcessRunReq(SStreamTask* pTask, SMsgCb* pMsgCb);
-int32_t streamProcessDispatchReq(SStreamTask* pTask, SMsgCb* pMsgCb, SStreamDispatchReq* pReq, SRpcMsg* pMsg);
-int32_t streamProcessDispatchRsp(SStreamTask* pTask, SMsgCb* pMsgCb, SStreamDispatchRsp* pRsp);
-int32_t streamProcessRecoverReq(SStreamTask* pTask, SMsgCb* pMsgCb, SStreamTaskRecoverReq* pReq, SRpcMsg* pMsg);
+int32_t streamProcessRunReq(SStreamTask* pTask);
+int32_t streamProcessDispatchReq(SStreamTask* pTask, SStreamDispatchReq* pReq, SRpcMsg* pMsg);
+int32_t streamProcessDispatchRsp(SStreamTask* pTask, SStreamDispatchRsp* pRsp);
+int32_t streamProcessRecoverReq(SStreamTask* pTask, SStreamTaskRecoverReq* pReq, SRpcMsg* pMsg);
 int32_t streamProcessRecoverRsp(SStreamTask* pTask, SStreamTaskRecoverRsp* pRsp);
 
 #ifdef __cplusplus
diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 7457fe7eb6..92eda0c5e0 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -161,7 +161,7 @@ int32_t  tsDiskCfgNum = 0;
 SDiskCfg tsDiskCfg[TFS_MAX_DISKS] = {0};
 
 // stream scheduler
-bool tsStreamSchedV = true;
+bool tsSchedStreamToSnode = true;
 
 /*
  * minimum scale for whole system, millisecond by default
diff --git a/source/dnode/mgmt/mgmt_snode/src/smHandle.c b/source/dnode/mgmt/mgmt_snode/src/smHandle.c
index 52a69f95b4..81576e153e 100644
--- a/source/dnode/mgmt/mgmt_snode/src/smHandle.c
+++ b/source/dnode/mgmt/mgmt_snode/src/smHandle.c
@@ -96,11 +96,11 @@ SArray *smGetMsgHandles() {
 
   if (dmSetMgmtHandle(pArray, TDMT_STREAM_TASK_DEPLOY, smPutNodeMsgToMgmtQueue, 1) == NULL) goto _OVER;
   if (dmSetMgmtHandle(pArray, TDMT_VND_STREAM_TASK_DROP, smPutNodeMsgToMgmtQueue, 1) == NULL) goto _OVER;
-  if (dmSetMgmtHandle(pArray, TDMT_STREAM_TASK_RUN, smPutNodeMsgToMgmtQueue, 1) == NULL) goto _OVER;
-  if (dmSetMgmtHandle(pArray, TDMT_STREAM_TASK_DISPATCH, smPutNodeMsgToMgmtQueue, 1) == NULL) goto _OVER;
-  if (dmSetMgmtHandle(pArray, TDMT_STREAM_TASK_DISPATCH_RSP, smPutNodeMsgToMgmtQueue, 1) == NULL) goto _OVER;
-  if (dmSetMgmtHandle(pArray, TDMT_STREAM_TASK_RECOVER, smPutNodeMsgToMgmtQueue, 1) == NULL) goto _OVER;
-  if (dmSetMgmtHandle(pArray, TDMT_STREAM_TASK_RECOVER_RSP, smPutNodeMsgToMgmtQueue, 1) == NULL) goto _OVER;
+  if (dmSetMgmtHandle(pArray, TDMT_STREAM_TASK_RUN, smPutNodeMsgToSharedQueue, 1) == NULL) goto _OVER;
+  if (dmSetMgmtHandle(pArray, TDMT_STREAM_TASK_DISPATCH, smPutNodeMsgToSharedQueue, 1) == NULL) goto _OVER;
+  if (dmSetMgmtHandle(pArray, TDMT_STREAM_TASK_DISPATCH_RSP, smPutNodeMsgToSharedQueue, 1) == NULL) goto _OVER;
+  if (dmSetMgmtHandle(pArray, TDMT_STREAM_TASK_RECOVER, smPutNodeMsgToSharedQueue, 1) == NULL) goto _OVER;
+  if (dmSetMgmtHandle(pArray, TDMT_STREAM_TASK_RECOVER_RSP, smPutNodeMsgToSharedQueue, 1) == NULL) goto _OVER;
 
   code = 0;
 _OVER:
diff --git a/source/dnode/mgmt/mgmt_snode/src/smWorker.c b/source/dnode/mgmt/mgmt_snode/src/smWorker.c
index 8d93ddd66c..19c1b9b5c7 100644
--- a/source/dnode/mgmt/mgmt_snode/src/smWorker.c
+++ b/source/dnode/mgmt/mgmt_snode/src/smWorker.c
@@ -58,6 +58,7 @@ static void smProcessUniqueQueue(SQueueInfo *pInfo, STaosQall *qall, int32_t num
     if (sndProcessUMsg(pMgmt->pSnode, pMsg) < 0) {
       ASSERT(0);
     }
+    smSendRsp(pMsg, 0);
 
     dTrace("msg:%p, is freed", pMsg);
     rpcFreeCont(pMsg->pCont);
@@ -70,6 +71,7 @@ static void smProcessSharedQueue(SQueueInfo *pInfo, SRpcMsg *pMsg) {
 
   dTrace("msg:%p, get from snode-shared queue", pMsg);
   if (sndProcessSMsg(pMgmt->pSnode, pMsg) < 0) {
+    smSendRsp(pMsg, terrno);
     ASSERT(0);
   }
 
diff --git a/source/dnode/mgmt/mgmt_vnode/inc/vmInt.h b/source/dnode/mgmt/mgmt_vnode/inc/vmInt.h
index 7e5379b0f8..6f00767eb0 100644
--- a/source/dnode/mgmt/mgmt_vnode/inc/vmInt.h
+++ b/source/dnode/mgmt/mgmt_vnode/inc/vmInt.h
@@ -35,7 +35,6 @@ typedef struct SVnodeMgmt {
   SWWorkerPool   syncPool;
   SWWorkerPool   writePool;
   SWWorkerPool   applyPool;
-  SWWorkerPool   mergePool;
   SSingleWorker  mgmtWorker;
   SSingleWorker  monitorWorker;
   SHashObj      *hash;
@@ -63,7 +62,6 @@ typedef struct {
   STaosQueue *pApplyQ;
   STaosQueue *pQueryQ;
   STaosQueue *pFetchQ;
-  STaosQueue *pMergeQ;
 } SVnodeObj;
 
 typedef struct {
diff --git a/source/dnode/mgmt/mgmt_vnode/src/vmInt.c b/source/dnode/mgmt/mgmt_vnode/src/vmInt.c
index 9e4e7713f2..3f053639aa 100644
--- a/source/dnode/mgmt/mgmt_vnode/src/vmInt.c
+++ b/source/dnode/mgmt/mgmt_vnode/src/vmInt.c
@@ -86,7 +86,6 @@ void vmCloseVnode(SVnodeMgmt *pMgmt, SVnodeObj *pVnode) {
   while (!taosQueueEmpty(pVnode->pApplyQ)) taosMsleep(10);
   while (!taosQueueEmpty(pVnode->pQueryQ)) taosMsleep(10);
   while (!taosQueueEmpty(pVnode->pFetchQ)) taosMsleep(10);
-  while (!taosQueueEmpty(pVnode->pMergeQ)) taosMsleep(10);
 
   vmFreeQueue(pMgmt, pVnode);
   vnodeClose(pVnode->pImpl);
diff --git a/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c b/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
index 95dd5732c6..71bbc8ddd4 100644
--- a/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
+++ b/source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
@@ -98,7 +98,7 @@ static void vmProcessFetchQueue(SQueueInfo *pInfo, SRpcMsg *pMsg) {
 
 static void vmProcessSyncQueue(SQueueInfo *pInfo, STaosQall *qall, int32_t numOfMsgs) {
   SVnodeObj *pVnode = pInfo->ahandle;
-  SRpcMsg *  pMsg = NULL;
+  SRpcMsg   *pMsg = NULL;
 
   for (int32_t i = 0; i < numOfMsgs; ++i) {
     if (taosGetQitem(qall, (void **)&pMsg) == 0) continue;
@@ -119,7 +119,7 @@ static void vmProcessSyncQueue(SQueueInfo *pInfo, STaosQall *qall, int32_t numOf
 
 static void vmProcessMergeQueue(SQueueInfo *pInfo, STaosQall *qall, int32_t numOfMsgs) {
   SVnodeObj *pVnode = pInfo->ahandle;
-  SRpcMsg *  pMsg = NULL;
+  SRpcMsg   *pMsg = NULL;
 
   for (int32_t i = 0; i < numOfMsgs; ++i) {
     if (taosGetQitem(qall, (void **)&pMsg) == 0) continue;
@@ -251,10 +251,9 @@ int32_t vmAllocQueue(SVnodeMgmt *pMgmt, SVnodeObj *pVnode) {
   pVnode->pApplyQ = tWWorkerAllocQueue(&pMgmt->applyPool, pVnode->pImpl, (FItems)vnodeApplyMsg);
   pVnode->pQueryQ = tQWorkerAllocQueue(&pMgmt->queryPool, pVnode, (FItem)vmProcessQueryQueue);
   pVnode->pFetchQ = tQWorkerAllocQueue(&pMgmt->fetchPool, pVnode, (FItem)vmProcessFetchQueue);
-  pVnode->pMergeQ = tWWorkerAllocQueue(&pMgmt->mergePool, pVnode, (FItems)vmProcessMergeQueue);
 
   if (pVnode->pWriteQ == NULL || pVnode->pSyncQ == NULL || pVnode->pApplyQ == NULL || pVnode->pQueryQ == NULL ||
-      pVnode->pFetchQ == NULL || pVnode->pMergeQ == NULL) {
+      pVnode->pFetchQ == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
     return -1;
   }
@@ -269,13 +268,11 @@ void vmFreeQueue(SVnodeMgmt *pMgmt, SVnodeObj *pVnode) {
   tWWorkerFreeQueue(&pMgmt->syncPool, pVnode->pSyncQ);
   tQWorkerFreeQueue(&pMgmt->queryPool, pVnode->pQueryQ);
   tQWorkerFreeQueue(&pMgmt->fetchPool, pVnode->pFetchQ);
-  tWWorkerFreeQueue(&pMgmt->mergePool, pVnode->pMergeQ);
   pVnode->pWriteQ = NULL;
   pVnode->pSyncQ = NULL;
   pVnode->pApplyQ = NULL;
   pVnode->pQueryQ = NULL;
   pVnode->pFetchQ = NULL;
-  pVnode->pMergeQ = NULL;
   dDebug("vgId:%d, queue is freed", pVnode->vgId);
 }
 
@@ -307,11 +304,6 @@ int32_t vmStartWorker(SVnodeMgmt *pMgmt) {
   pSPool->max = tsNumOfVnodeSyncThreads;
   if (tWWorkerInit(pSPool) != 0) return -1;
 
-  SWWorkerPool *pMPool = &pMgmt->mergePool;
-  pMPool->name = "vnode-merge";
-  pMPool->max = tsNumOfVnodeMergeThreads;
-  if (tWWorkerInit(pMPool) != 0) return -1;
-
   SSingleWorkerCfg mgmtCfg = {
       .min = 1,
       .max = 1,
@@ -342,6 +334,5 @@ void vmStopWorker(SVnodeMgmt *pMgmt) {
   tWWorkerCleanup(&pMgmt->syncPool);
   tQWorkerCleanup(&pMgmt->queryPool);
   tQWorkerCleanup(&pMgmt->fetchPool);
-  tWWorkerCleanup(&pMgmt->mergePool);
   dDebug("vnode workers are closed");
 }
diff --git a/source/dnode/mnode/impl/src/mndScheduler.c b/source/dnode/mnode/impl/src/mndScheduler.c
index 3ff0c39bc3..3bd9a9128d 100644
--- a/source/dnode/mnode/impl/src/mndScheduler.c
+++ b/source/dnode/mnode/impl/src/mndScheduler.c
@@ -33,7 +33,7 @@
 #include "tname.h"
 #include "tuuid.h"
 
-extern bool tsStreamSchedV;
+extern bool tsSchedStreamToSnode;
 
 static int32_t mndAddTaskToTaskSet(SArray* pArray, SStreamTask* pTask) {
   int32_t childId = taosArrayGetSize(pArray);
@@ -204,9 +204,11 @@ int32_t mndAssignTaskToVg(SMnode* pMnode, STrans* pTrans, SStreamTask* pTask, SS
   return 0;
 }
 
-SSnodeObj* mndSchedFetchSnode(SMnode* pMnode) {
+SSnodeObj* mndSchedFetchOneSnode(SMnode* pMnode) {
   SSnodeObj* pObj = NULL;
-  pObj = sdbFetch(pMnode->pSdb, SDB_SNODE, NULL, (void**)&pObj);
+  void*      pIter = NULL;
+  // TODO random fetch
+  pIter = sdbFetch(pMnode->pSdb, SDB_SNODE, pIter, (void**)&pObj);
   return pObj;
 }
 
@@ -214,7 +216,7 @@ int32_t mndAssignTaskToSnode(SMnode* pMnode, STrans* pTrans, SStreamTask* pTask,
                              const SSnodeObj* pSnode) {
   int32_t msgLen;
 
-  pTask->nodeId = 0;
+  pTask->nodeId = SNODE_HANDLE;
   pTask->epSet = mndAcquireEpFromSnode(pMnode, pSnode);
 
   plan->execNode.nodeId = 0;
@@ -224,7 +226,7 @@ int32_t mndAssignTaskToSnode(SMnode* pMnode, STrans* pTrans, SStreamTask* pTask,
     terrno = TSDB_CODE_QRY_INVALID_INPUT;
     return -1;
   }
-  mndPersistTaskDeployReq(pTrans, pTask, &plan->execNode.epSet, TDMT_STREAM_TASK_DEPLOY, 0);
+  mndPersistTaskDeployReq(pTrans, pTask, &plan->execNode.epSet, TDMT_STREAM_TASK_DEPLOY, SNODE_HANDLE);
   return 0;
 }
 
@@ -370,8 +372,8 @@ int32_t mndScheduleStream(SMnode* pMnode, STrans* pTrans, SStreamObj* pStream) {
   }
 
   if (totLevel > 1) {
-    SStreamTask* pFinalTask;
-    // inner plan
+    SStreamTask* pInnerTask;
+    // inner level
     {
       SArray* taskInnerLevel = taosArrayInit(0, sizeof(void*));
       taosArrayPush(pStream->tasks, &taskInnerLevel);
@@ -380,31 +382,51 @@ int32_t mndScheduleStream(SMnode* pMnode, STrans* pTrans, SStreamObj* pStream) {
       SSubplan*      plan = (SSubplan*)nodesListGetNode(inner->pNodeList, 0);
       ASSERT(plan->subplanType == SUBPLAN_TYPE_MERGE);
 
-      pFinalTask = tNewSStreamTask(pStream->uid);
-      mndAddTaskToTaskSet(taskInnerLevel, pFinalTask);
+      pInnerTask = tNewSStreamTask(pStream->uid);
+      mndAddTaskToTaskSet(taskInnerLevel, pInnerTask);
       // input
-      pFinalTask->inputType = TASK_INPUT_TYPE__DATA_BLOCK;
+      pInnerTask->inputType = TASK_INPUT_TYPE__DATA_BLOCK;
 
       // trigger
-      pFinalTask->triggerParam = pStream->triggerParam;
+      pInnerTask->triggerParam = pStream->triggerParam;
 
       // dispatch
-      if (mndAddDispatcherToInnerTask(pMnode, pTrans, pStream, pFinalTask) < 0) {
+      if (mndAddDispatcherToInnerTask(pMnode, pTrans, pStream, pInnerTask) < 0) {
         qDestroyQueryPlan(pPlan);
         return -1;
       }
 
       // exec
-      pFinalTask->execType = TASK_EXEC__PIPE;
-      SVgObj* pVgroup = mndSchedFetchOneVg(pMnode, pStream->sourceDbUid);
-      if (mndAssignTaskToVg(pMnode, pTrans, pFinalTask, plan, pVgroup) < 0) {
-        sdbRelease(pSdb, pVgroup);
-        qDestroyQueryPlan(pPlan);
-        return -1;
+      pInnerTask->execType = TASK_EXEC__PIPE;
+
+      if (tsSchedStreamToSnode) {
+        SSnodeObj* pSnode = mndSchedFetchOneSnode(pMnode);
+        if (pSnode == NULL) {
+          SVgObj* pVgroup = mndSchedFetchOneVg(pMnode, pStream->sourceDbUid);
+          if (mndAssignTaskToVg(pMnode, pTrans, pInnerTask, plan, pVgroup) < 0) {
+            sdbRelease(pSdb, pVgroup);
+            qDestroyQueryPlan(pPlan);
+            return -1;
+          }
+        } else {
+          if (mndAssignTaskToSnode(pMnode, pTrans, pInnerTask, plan, pSnode) < 0) {
+            ASSERT(0);
+            sdbRelease(pSdb, pSnode);
+            qDestroyQueryPlan(pPlan);
+            return -1;
+          }
+        }
+      } else {
+        SVgObj* pVgroup = mndSchedFetchOneVg(pMnode, pStream->sourceDbUid);
+        if (mndAssignTaskToVg(pMnode, pTrans, pInnerTask, plan, pVgroup) < 0) {
+          sdbRelease(pSdb, pVgroup);
+          qDestroyQueryPlan(pPlan);
+          return -1;
+        }
       }
     }
 
-    // source plan
+    // source level
     SArray* taskSourceLevel = taosArrayInit(0, sizeof(void*));
     taosArrayPush(pStream->tasks, &taskSourceLevel);
 
@@ -434,9 +456,9 @@ int32_t mndScheduleStream(SMnode* pMnode, STrans* pTrans, SStreamObj* pStream) {
       pTask->dispatchMsgType = TDMT_STREAM_TASK_DISPATCH;
       pTask->dispatchType = TASK_DISPATCH__FIXED;
 
-      pTask->fixedEpDispatcher.taskId = pFinalTask->taskId;
-      pTask->fixedEpDispatcher.nodeId = pFinalTask->nodeId;
-      pTask->fixedEpDispatcher.epSet = pFinalTask->epSet;
+      pTask->fixedEpDispatcher.taskId = pInnerTask->taskId;
+      pTask->fixedEpDispatcher.nodeId = pInnerTask->nodeId;
+      pTask->fixedEpDispatcher.epSet = pInnerTask->epSet;
 
       // exec
       pTask->execType = TASK_EXEC__PIPE;
diff --git a/source/dnode/snode/src/snode.c b/source/dnode/snode/src/snode.c
index 8ef48ccbf9..84a66c680b 100644
--- a/source/dnode/snode/src/snode.c
+++ b/source/dnode/snode/src/snode.c
@@ -78,8 +78,8 @@ int32_t sndMetaRemoveTask(SStreamMeta *pMeta, int32_t taskId) {
 
 static int32_t sndProcessTaskDeployReq(SSnode *pNode, SRpcMsg *pMsg) {
   SStreamMeta *pMeta = pNode->pMeta;
-  char        *msg = pMsg->pCont;
-  int32_t      msgLen = pMsg->contLen;
+  char        *msg = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
+  int32_t      msgLen = pMsg->contLen - sizeof(SMsgHead);
 
   SStreamTask *pTask = taosMemoryCalloc(1, sizeof(SStreamTask));
   if (pTask == NULL) {
@@ -105,23 +105,22 @@ static int32_t sndProcessTaskDeployReq(SSnode *pNode, SRpcMsg *pMsg) {
 
   ASSERT(pTask->execType != TASK_EXEC__NONE);
 
-  SReadHandle handle = {
-      .pMsgCb = &pNode->msgCb,
-  };
-
-  /*pTask->exec.inputHandle = NULL;*/
-  pTask->exec.executor = qCreateStreamExecTaskInfo(pTask->exec.qmsg, &handle);
+  ASSERT(pTask->dataScan == 0);
+  pTask->exec.executor = qCreateStreamExecTaskInfo(pTask->exec.qmsg, NULL);
   ASSERT(pTask->exec.executor);
 
   streamSetupTrigger(pTask);
 
   qInfo("deploy stream: stream id %ld task id %d child id %d on snode", pTask->streamId, pTask->taskId, pTask->childId);
 
+  taosHashPut(pMeta->pHash, &pTask->taskId, sizeof(int32_t), &pTask, sizeof(void *));
+
   return 0;
 
 FAIL:
   if (pTask->inputQueue) streamQueueClose(pTask->inputQueue);
   if (pTask->outputQueue) streamQueueClose(pTask->outputQueue);
+  if (pTask) taosMemoryFree(pTask);
   return -1;
 }
 
@@ -130,7 +129,7 @@ static int32_t sndProcessTaskRunReq(SSnode *pNode, SRpcMsg *pMsg) {
   SStreamTaskRunReq *pReq = pMsg->pCont;
   int32_t            taskId = pReq->taskId;
   SStreamTask       *pTask = *(SStreamTask **)taosHashGet(pMeta->pHash, &taskId, sizeof(int32_t));
-  streamTaskProcessRunReq(pTask, &pNode->msgCb);
+  streamProcessRunReq(pTask);
   return 0;
 }
 
@@ -151,7 +150,7 @@ static int32_t sndProcessTaskDispatchReq(SSnode *pNode, SRpcMsg *pMsg) {
            .info = pMsg->info,
            .code = 0,
   };
-  streamProcessDispatchReq(pTask, &pNode->msgCb, &req, &rsp);
+  streamProcessDispatchReq(pTask, &req, &rsp);
   return 0;
 }
 
@@ -161,7 +160,7 @@ static int32_t sndProcessTaskRecoverReq(SSnode *pNode, SRpcMsg *pMsg) {
   SStreamTaskRecoverReq *pReq = pMsg->pCont;
   int32_t                taskId = pReq->taskId;
   SStreamTask           *pTask = *(SStreamTask **)taosHashGet(pMeta->pHash, &taskId, sizeof(int32_t));
-  streamProcessRecoverReq(pTask, &pNode->msgCb, pReq, pMsg);
+  streamProcessRecoverReq(pTask, pReq, pMsg);
   return 0;
 }
 
@@ -171,7 +170,7 @@ static int32_t sndProcessTaskDispatchRsp(SSnode *pNode, SRpcMsg *pMsg) {
   SStreamDispatchRsp *pRsp = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
   int32_t             taskId = pRsp->taskId;
   SStreamTask        *pTask = *(SStreamTask **)taosHashGet(pMeta->pHash, &taskId, sizeof(int32_t));
-  streamProcessDispatchRsp(pTask, &pNode->msgCb, pRsp);
+  streamProcessDispatchRsp(pTask, pRsp);
   return 0;
 }
 
diff --git a/source/dnode/vnode/src/inc/vnodeInt.h b/source/dnode/vnode/src/inc/vnodeInt.h
index 70b6e24b07..c0dfebb08f 100644
--- a/source/dnode/vnode/src/inc/vnodeInt.h
+++ b/source/dnode/vnode/src/inc/vnodeInt.h
@@ -87,7 +87,7 @@ int             metaAlterSTable(SMeta* pMeta, int64_t version, SVCreateStbReq* p
 int             metaDropSTable(SMeta* pMeta, int64_t verison, SVDropStbReq* pReq);
 int             metaCreateTable(SMeta* pMeta, int64_t version, SVCreateTbReq* pReq);
 int             metaDropTable(SMeta* pMeta, int64_t version, SVDropTbReq* pReq, SArray* tbUids);
-int             metaTtlDropTable(SMeta *pMeta, int64_t ttl, SArray *tbUids);
+int             metaTtlDropTable(SMeta* pMeta, int64_t ttl, SArray* tbUids);
 int             metaAlterTable(SMeta* pMeta, int64_t version, SVAlterTbReq* pReq, STableMetaRsp* pMetaRsp);
 SSchemaWrapper* metaGetTableSchema(SMeta* pMeta, tb_uid_t uid, int32_t sver, bool isinline);
 STSchema*       metaGetTbTSchema(SMeta* pMeta, tb_uid_t uid, int32_t sver);
@@ -106,28 +106,28 @@ int32_t         metaSnapshotReaderClose(SMetaSnapshotReader* pReader);
 int32_t         metaSnapshotRead(SMetaSnapshotReader* pReader, void** ppData, uint32_t* nData);
 void*           metaGetIdx(SMeta* pMeta);
 void*           metaGetIvtIdx(SMeta* pMeta);
-int             metaTtlSmaller(SMeta *pMeta, uint64_t time, SArray *uidList);
+int             metaTtlSmaller(SMeta* pMeta, uint64_t time, SArray* uidList);
 
 int32_t metaCreateTSma(SMeta* pMeta, int64_t version, SSmaCfg* pCfg);
 int32_t metaDropTSma(SMeta* pMeta, int64_t indexUid);
 
 // tsdb
-int          tsdbOpen(SVnode* pVnode, STsdb** ppTsdb, const char* dir, STsdbKeepCfg* pKeepCfg);
-int          tsdbClose(STsdb** pTsdb);
-int32_t      tsdbBegin(STsdb* pTsdb);
-int32_t      tsdbCommit(STsdb* pTsdb);
-int          tsdbScanAndConvertSubmitMsg(STsdb* pTsdb, SSubmitReq* pMsg);
-int          tsdbInsertData(STsdb* pTsdb, int64_t version, SSubmitReq* pMsg, SSubmitRsp* pRsp);
-int32_t      tsdbInsertTableData(STsdb* pTsdb, int64_t version, SSubmitMsgIter* pMsgIter, SSubmitBlk* pBlock,
-                                 SSubmitBlkRsp* pRsp);
-int32_t      tsdbDeleteTableData(STsdb* pTsdb, int64_t version, tb_uid_t suid, tb_uid_t uid, TSKEY sKey, TSKEY eKey);
-tsdbReaderT  tsdbReaderOpen(SVnode* pVnode, SQueryTableDataCond* pCond, STableListInfo* tableList, uint64_t qId,
-                            uint64_t taskId);
-tsdbReaderT  tsdbQueryCacheLastT(STsdb* tsdb, SQueryTableDataCond* pCond, STableListInfo* tableList, uint64_t qId,
-                                 void* pMemRef);
-int32_t      tsdbSnapshotReaderOpen(STsdb* pTsdb, STsdbSnapshotReader** ppReader, int64_t sver, int64_t ever);
-int32_t      tsdbSnapshotReaderClose(STsdbSnapshotReader* pReader);
-int32_t      tsdbSnapshotRead(STsdbSnapshotReader* pReader, void** ppData, uint32_t* nData);
+int         tsdbOpen(SVnode* pVnode, STsdb** ppTsdb, const char* dir, STsdbKeepCfg* pKeepCfg);
+int         tsdbClose(STsdb** pTsdb);
+int32_t     tsdbBegin(STsdb* pTsdb);
+int32_t     tsdbCommit(STsdb* pTsdb);
+int         tsdbScanAndConvertSubmitMsg(STsdb* pTsdb, SSubmitReq* pMsg);
+int         tsdbInsertData(STsdb* pTsdb, int64_t version, SSubmitReq* pMsg, SSubmitRsp* pRsp);
+int32_t     tsdbInsertTableData(STsdb* pTsdb, int64_t version, SSubmitMsgIter* pMsgIter, SSubmitBlk* pBlock,
+                                SSubmitBlkRsp* pRsp);
+int32_t     tsdbDeleteTableData(STsdb* pTsdb, int64_t version, tb_uid_t suid, tb_uid_t uid, TSKEY sKey, TSKEY eKey);
+tsdbReaderT tsdbReaderOpen(SVnode* pVnode, SQueryTableDataCond* pCond, STableListInfo* tableList, uint64_t qId,
+                           uint64_t taskId);
+tsdbReaderT tsdbQueryCacheLastT(STsdb* tsdb, SQueryTableDataCond* pCond, STableListInfo* tableList, uint64_t qId,
+                                void* pMemRef);
+int32_t     tsdbSnapshotReaderOpen(STsdb* pTsdb, STsdbSnapshotReader** ppReader, int64_t sver, int64_t ever);
+int32_t     tsdbSnapshotReaderClose(STsdbSnapshotReader* pReader);
+int32_t     tsdbSnapshotRead(STsdbSnapshotReader* pReader, void** ppData, uint32_t* nData);
 
 // tq
 int     tqInit();
@@ -141,7 +141,7 @@ int32_t tqProcessVgChangeReq(STQ* pTq, char* msg, int32_t msgLen);
 int32_t tqProcessVgDeleteReq(STQ* pTq, char* msg, int32_t msgLen);
 int32_t tqProcessOffsetCommitReq(STQ* pTq, char* msg, int32_t msgLen);
 int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg, int32_t workerId);
-int32_t tqProcessTaskDeploy(STQ* pTq, char* msg, int32_t msgLen);
+int32_t tqProcessTaskDeployReq(STQ* pTq, char* msg, int32_t msgLen);
 int32_t tqProcessTaskDropReq(STQ* pTq, char* msg, int32_t msgLen);
 int32_t tqProcessStreamTrigger(STQ* pTq, SSubmitReq* data);
 int32_t tqProcessTaskRunReq(STQ* pTq, SRpcMsg* pMsg);
@@ -262,7 +262,7 @@ struct SSma {
 
 #define SMA_CFG(s)        (&(s)->pVnode->config)
 #define SMA_TSDB_CFG(s)   (&(s)->pVnode->config.tsdbCfg)
-#define SMA_RETENTION(s)  ((SRetention *)&(s)->pVnode->config.tsdbCfg.retentions)
+#define SMA_RETENTION(s)  ((SRetention*)&(s)->pVnode->config.tsdbCfg.retentions)
 #define SMA_LOCKED(s)     ((s)->locked)
 #define SMA_META(s)       ((s)->pVnode->pMeta)
 #define SMA_VID(s)        TD_VID((s)->pVnode)
diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index 06a119b076..ece4b7e2a4 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -333,7 +333,6 @@ int32_t tqProcessVgChangeReq(STQ* pTq, char* msg, int32_t msgLen) {
         SReadHandle handle = {
             .reader = pHandle->execHandle.pExecReader[i],
             .meta = pTq->pVnode->pMeta,
-            .pMsgCb = &pTq->pVnode->msgCb,
         };
         pHandle->execHandle.execCol.task[i] = qCreateStreamExecTaskInfo(pHandle->execHandle.execCol.qmsg, &handle);
         ASSERT(pHandle->execHandle.execCol.task[i]);
@@ -373,7 +372,7 @@ int32_t tqProcessVgChangeReq(STQ* pTq, char* msg, int32_t msgLen) {
   return 0;
 }
 
-int32_t tqProcessTaskDeploy(STQ* pTq, char* msg, int32_t msgLen) {
+int32_t tqProcessTaskDeployReq(STQ* pTq, char* msg, int32_t msgLen) {
   SStreamTask* pTask = taosMemoryCalloc(1, sizeof(SStreamTask));
   if (pTask == NULL) {
     return -1;
@@ -404,7 +403,6 @@ int32_t tqProcessTaskDeploy(STQ* pTq, char* msg, int32_t msgLen) {
       SReadHandle    handle = {
              .reader = pStreamReader,
              .meta = pTq->pVnode->pMeta,
-             .pMsgCb = &pTq->pVnode->msgCb,
              .vnode = pTq->pVnode,
       };
       /*pTask->exec.inputHandle = pStreamReader;*/
@@ -468,7 +466,7 @@ int32_t tqProcessStreamTrigger(STQ* pTq, SSubmitReq* pReq) {
         continue;
       }
 
-      if (streamLaunchByWrite(pTask, TD_VID(pTq->pVnode), &pTq->pVnode->msgCb) < 0) {
+      if (streamLaunchByWrite(pTask, TD_VID(pTq->pVnode)) < 0) {
         continue;
       }
     } else {
@@ -489,7 +487,7 @@ int32_t tqProcessTaskRunReq(STQ* pTq, SRpcMsg* pMsg) {
   SStreamTaskRunReq* pReq = pMsg->pCont;
   int32_t            taskId = pReq->taskId;
   SStreamTask*       pTask = *(SStreamTask**)taosHashGet(pTq->pStreamTasks, &taskId, sizeof(int32_t));
-  streamTaskProcessRunReq(pTask, &pTq->pVnode->msgCb);
+  streamProcessRunReq(pTask);
   return 0;
 }
 
@@ -507,7 +505,7 @@ int32_t tqProcessTaskDispatchReq(STQ* pTq, SRpcMsg* pMsg) {
            .info = pMsg->info,
            .code = 0,
   };
-  streamProcessDispatchReq(pTask, &pTq->pVnode->msgCb, &req, &rsp);
+  streamProcessDispatchReq(pTask, &req, &rsp);
   return 0;
 }
 
@@ -515,7 +513,7 @@ int32_t tqProcessTaskRecoverReq(STQ* pTq, SRpcMsg* pMsg) {
   SStreamTaskRecoverReq* pReq = pMsg->pCont;
   int32_t                taskId = pReq->taskId;
   SStreamTask*           pTask = *(SStreamTask**)taosHashGet(pTq->pStreamTasks, &taskId, sizeof(int32_t));
-  streamProcessRecoverReq(pTask, &pTq->pVnode->msgCb, pReq, pMsg);
+  streamProcessRecoverReq(pTask, pReq, pMsg);
   return 0;
 }
 
@@ -523,7 +521,7 @@ int32_t tqProcessTaskDispatchRsp(STQ* pTq, SRpcMsg* pMsg) {
   SStreamDispatchRsp* pRsp = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
   int32_t             taskId = pRsp->taskId;
   SStreamTask*        pTask = *(SStreamTask**)taosHashGet(pTq->pStreamTasks, &taskId, sizeof(int32_t));
-  streamProcessDispatchRsp(pTask, &pTq->pVnode->msgCb, pRsp);
+  streamProcessDispatchRsp(pTask, pRsp);
   return 0;
 }
 
diff --git a/source/dnode/vnode/src/vnd/vnodeSvr.c b/source/dnode/vnode/src/vnd/vnodeSvr.c
index fb22b7c5bf..c097e2f929 100644
--- a/source/dnode/vnode/src/vnd/vnodeSvr.c
+++ b/source/dnode/vnode/src/vnd/vnodeSvr.c
@@ -167,8 +167,8 @@ int32_t vnodeProcessWriteReq(SVnode *pVnode, SRpcMsg *pMsg, int64_t version, SRp
       }
       break;
     case TDMT_STREAM_TASK_DEPLOY: {
-      if (tqProcessTaskDeploy(pVnode->pTq, POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead)),
-                              pMsg->contLen - sizeof(SMsgHead)) < 0) {
+      if (tqProcessTaskDeployReq(pVnode->pTq, POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead)),
+                                 pMsg->contLen - sizeof(SMsgHead)) < 0) {
         goto _err;
       }
     } break;
@@ -304,18 +304,17 @@ void vnodeUpdateMetaRsp(SVnode *pVnode, STableMetaRsp *pMetaRsp) {
   pMetaRsp->precision = pVnode->config.tsdbCfg.precision;
 }
 
-static int32_t vnodeProcessDropTtlTbReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp){
-
+static int32_t vnodeProcessDropTtlTbReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp) {
   SArray *tbUids = taosArrayInit(8, sizeof(int64_t));
   if (tbUids == NULL) return TSDB_CODE_OUT_OF_MEMORY;
 
-  int32_t t = ntohl(*(int32_t*)pReq);
+  int32_t t = ntohl(*(int32_t *)pReq);
   vError("rec ttl time:%d", t);
   int32_t ret = metaTtlDropTable(pVnode->pMeta, t, tbUids);
-  if(ret != 0){
+  if (ret != 0) {
     goto end;
   }
-  if(taosArrayGetSize(tbUids) > 0){
+  if (taosArrayGetSize(tbUids) > 0) {
     tqUpdateTbUidList(pVnode->pTq, tbUids, false);
   }
 
diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index 5c038ed709..3828a26bc4 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -4052,14 +4052,19 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
       SScanPhysiNode*      pScanPhyNode = (SScanPhysiNode*)pPhyNode;  // simple child table.
       STableScanPhysiNode* pTableScanNode = (STableScanPhysiNode*)pPhyNode;
       STimeWindowAggSupp   twSup = {
-            .waterMark = pTableScanNode->watermark, .calTrigger = pTableScanNode->triggerType, .maxTs = INT64_MIN};
+            .waterMark = pTableScanNode->watermark,
+            .calTrigger = pTableScanNode->triggerType,
+            .maxTs = INT64_MIN,
+      };
       tsdbReaderT pDataReader = NULL;
 
       if (pHandle) {
         if (pHandle->vnode) {
+          // for stram
           pDataReader =
               doCreateDataReader(pTableScanNode, pHandle, pTableListInfo, (uint64_t)queryId, taskId, pTagCond);
         } else {
+          // for tq
           getTableList(pHandle->meta, pScanPhyNode, pTableListInfo, pTagCond);
         }
       }
diff --git a/source/libs/stream/src/stream.c b/source/libs/stream/src/stream.c
index 6dcbfad957..38a1ad14b1 100644
--- a/source/libs/stream/src/stream.c
+++ b/source/libs/stream/src/stream.c
@@ -64,7 +64,7 @@ void streamTriggerByTimer(void* param, void* tmrId) {
     atomic_store_8(&pTask->triggerStatus, TASK_TRIGGER_STATUS__IN_ACTIVE);
 
     streamTaskInput(pTask, (SStreamQueueItem*)trigger);
-    streamLaunchByWrite(pTask, pTask->nodeId, pTask->pMsgCb);
+    streamLaunchByWrite(pTask, pTask->nodeId);
   }
 
   taosTmrReset(streamTriggerByTimer, (int32_t)pTask->triggerParam, pTask, streamEnv.timer, &pTask->timer);
@@ -81,7 +81,7 @@ int32_t streamSetupTrigger(SStreamTask* pTask) {
   return 0;
 }
 
-int32_t streamLaunchByWrite(SStreamTask* pTask, int32_t vgId, SMsgCb* pMsgCb) {
+int32_t streamLaunchByWrite(SStreamTask* pTask, int32_t vgId) {
   int8_t execStatus = atomic_load_8(&pTask->status);
   if (execStatus == TASK_STATUS__IDLE || execStatus == TASK_STATUS__CLOSING) {
     SStreamTaskRunReq* pRunReq = rpcMallocCont(sizeof(SStreamTaskRunReq));
@@ -96,7 +96,7 @@ int32_t streamLaunchByWrite(SStreamTask* pTask, int32_t vgId, SMsgCb* pMsgCb) {
         .pCont = pRunReq,
         .contLen = sizeof(SStreamTaskRunReq),
     };
-    tmsgPutToQueue(pMsgCb, FETCH_QUEUE, &msg);
+    tmsgPutToQueue(pTask->pMsgCb, FETCH_QUEUE, &msg);
   }
   return 0;
 }
@@ -136,7 +136,9 @@ int32_t streamTaskEnqueue(SStreamTask* pTask, SStreamDispatchReq* pReq, SRpcMsg*
   return status == TASK_INPUT_STATUS__NORMAL ? 0 : -1;
 }
 
-int32_t streamProcessDispatchReq(SStreamTask* pTask, SMsgCb* pMsgCb, SStreamDispatchReq* pReq, SRpcMsg* pRsp) {
+int32_t streamProcessDispatchReq(SStreamTask* pTask, SStreamDispatchReq* pReq, SRpcMsg* pRsp) {
+  qInfo("task %d receive dispatch req from node %d task %d", pTask->taskId, pReq->upstreamNodeId, pReq->sourceTaskId);
+
   // 1. handle input
   streamTaskEnqueue(pTask, pReq, pRsp);
 
@@ -145,7 +147,7 @@ int32_t streamProcessDispatchReq(SStreamTask* pTask, SMsgCb* pMsgCb, SStreamDisp
   // 2.2. executing: return
   // 2.3. closing: keep trying
   if (pTask->execType != TASK_EXEC__NONE) {
-    streamExec(pTask, pMsgCb);
+    streamExec(pTask, pTask->pMsgCb);
   } else {
     ASSERT(pTask->sinkType != TASK_SINK__NONE);
     while (1) {
@@ -161,34 +163,38 @@ int32_t streamProcessDispatchReq(SStreamTask* pTask, SMsgCb* pMsgCb, SStreamDisp
   // 3.1 check and set status
   // 3.2 dispatch / sink
   if (pTask->dispatchType != TASK_DISPATCH__NONE) {
-    streamDispatch(pTask, pMsgCb);
+    streamDispatch(pTask, pTask->pMsgCb);
   }
 
   return 0;
 }
 
-int32_t streamProcessDispatchRsp(SStreamTask* pTask, SMsgCb* pMsgCb, SStreamDispatchRsp* pRsp) {
+int32_t streamProcessDispatchRsp(SStreamTask* pTask, SStreamDispatchRsp* pRsp) {
   ASSERT(pRsp->inputStatus == TASK_OUTPUT_STATUS__NORMAL || pRsp->inputStatus == TASK_OUTPUT_STATUS__BLOCKED);
+
+  qInfo("task %d receive dispatch rsp", pTask->taskId);
+
   int8_t old = atomic_exchange_8(&pTask->outputStatus, pRsp->inputStatus);
   ASSERT(old == TASK_OUTPUT_STATUS__WAIT);
   if (pRsp->inputStatus == TASK_INPUT_STATUS__BLOCKED) {
     // TODO: init recover timer
+    ASSERT(0);
     return 0;
   }
   // continue dispatch
-  streamDispatch(pTask, pMsgCb);
+  streamDispatch(pTask, pTask->pMsgCb);
   return 0;
 }
 
-int32_t streamTaskProcessRunReq(SStreamTask* pTask, SMsgCb* pMsgCb) {
-  streamExec(pTask, pMsgCb);
+int32_t streamProcessRunReq(SStreamTask* pTask) {
+  streamExec(pTask, pTask->pMsgCb);
   if (pTask->dispatchType != TASK_DISPATCH__NONE) {
-    streamDispatch(pTask, pMsgCb);
+    streamDispatch(pTask, pTask->pMsgCb);
   }
   return 0;
 }
 
-int32_t streamProcessRecoverReq(SStreamTask* pTask, SMsgCb* pMsgCb, SStreamTaskRecoverReq* pReq, SRpcMsg* pMsg) {
+int32_t streamProcessRecoverReq(SStreamTask* pTask, SStreamTaskRecoverReq* pReq, SRpcMsg* pMsg) {
   //
   return 0;
 }
diff --git a/source/libs/stream/src/streamDispatch.c b/source/libs/stream/src/streamDispatch.c
index ca10e7d956..1894f697c0 100644
--- a/source/libs/stream/src/streamDispatch.c
+++ b/source/libs/stream/src/streamDispatch.c
@@ -144,7 +144,7 @@ int32_t streamBuildDispatchMsg(SStreamTask* pTask, SStreamDataBlock* data, SRpcM
     }
   }
 
-  ASSERT(vgId != 0);
+  ASSERT(vgId > 0 || vgId == SNODE_HANDLE);
   req.taskId = downstreamTaskId;
 
   qInfo("dispatch from task %d (child id %d) to down stream task %d in vnode %d", pTask->taskId, pTask->childId,
@@ -199,6 +199,8 @@ int32_t streamDispatch(SStreamTask* pTask, SMsgCb* pMsgCb) {
   }
   ASSERT(pBlock->type == STREAM_DATA_TYPE_SSDATA_BLOCK);
 
+  qInfo("stream continue dispatching: task %d", pTask->taskId);
+
   SRpcMsg dispatchMsg = {0};
   SEpSet* pEpSet = NULL;
   if (streamBuildDispatchMsg(pTask, pBlock, &dispatchMsg, &pEpSet) < 0) {
diff --git a/source/libs/stream/src/streamExec.c b/source/libs/stream/src/streamExec.c
index 04428136ae..5a71fccab8 100644
--- a/source/libs/stream/src/streamExec.c
+++ b/source/libs/stream/src/streamExec.c
@@ -107,18 +107,19 @@ int32_t streamExec(SStreamTask* pTask, SMsgCb* pMsgCb) {
       pRes = streamExecForQall(pTask, pRes);
       if (pRes == NULL) goto FAIL;
 
-      break;
+      taosArrayDestroy(pRes);
+      atomic_store_8(&pTask->status, TASK_STATUS__IDLE);
+      return 0;
     } else if (execStatus == TASK_STATUS__CLOSING) {
       continue;
     } else if (execStatus == TASK_STATUS__EXECUTING) {
-      break;
+      ASSERT(taosArrayGetSize(pRes) == 0);
+      taosArrayDestroy(pRes);
+      return 0;
     } else {
       ASSERT(0);
     }
   }
-  if (pRes) taosArrayDestroy(pRes);
-  atomic_store_8(&pTask->status, TASK_STATUS__IDLE);
-  return 0;
 FAIL:
   if (pRes) taosArrayDestroy(pRes);
   atomic_store_8(&pTask->status, TASK_STATUS__IDLE);
diff --git a/tests/script/jenkins/basic.txt b/tests/script/jenkins/basic.txt
index 720625a570..c1ab51bb27 100644
--- a/tests/script/jenkins/basic.txt
+++ b/tests/script/jenkins/basic.txt
@@ -80,6 +80,7 @@
 # ./test.sh -f tsim/stream/triggerInterval0.sim
 # ./test.sh -f tsim/stream/triggerSession0.sim
 # ./test.sh -f tsim/stream/partitionby.sim
+./test.sh -f tsim/stream/schedSnode.sim
 
 
 # ---- transaction
diff --git a/tests/script/tsim/stream/distributeInterval0.sim b/tests/script/tsim/stream/distributeInterval0.sim
index b720272116..91ce49bc8c 100644
--- a/tests/script/tsim/stream/distributeInterval0.sim
+++ b/tests/script/tsim/stream/distributeInterval0.sim
@@ -208,4 +208,4 @@ if $data11 != 2 then
   goto loop2
 endi
 
-system sh/stop_dnodes.sh
\ No newline at end of file
+system sh/stop_dnodes.sh
diff --git a/tests/script/tsim/stream/distributesession0.sim b/tests/script/tsim/stream/distributesession0.sim
index 78f65ed8a3..a165b86edd 100644
--- a/tests/script/tsim/stream/distributesession0.sim
+++ b/tests/script/tsim/stream/distributesession0.sim
@@ -55,4 +55,4 @@ if $data03 != 7 then
   return -1
 endi
 
-system sh/stop_dnodes.sh
\ No newline at end of file
+system sh/stop_dnodes.sh
diff --git a/tests/script/tsim/stream/schedSnode.sim b/tests/script/tsim/stream/schedSnode.sim
new file mode 100644
index 0000000000..dbf714a96f
--- /dev/null
+++ b/tests/script/tsim/stream/schedSnode.sim
@@ -0,0 +1,173 @@
+system sh/stop_dnodes.sh
+system sh/deploy.sh -n dnode1 -i 1
+system sh/deploy.sh -n dnode2 -i 2
+
+system sh/exec.sh -n dnode1 -s start 
+sleep 50
+sql connect
+
+sql create snode on dnode 1
+
+sql create database test  vgroups 1;
+sql create database target vgroups 1;
+sql use test;
+sql create stable st(ts timestamp, a int, b int , c int, d double) tags(ta int,tb int,tc int);
+sql create table ts1 using st tags(1,1,1);
+sql create table ts2 using st tags(2,2,2);
+sql create table ts3 using st tags(3,2,2);
+sql create table ts4 using st tags(4,2,2);
+sql create stream stream_t1 trigger at_once into target.streamtST1 as select  _wstartts, count(*) c1, count(d) c2 , sum(a) c3 , max(b)  c4, min(c) c5 from st interval(10s);
+
+sleep 1000
+
+sql insert into ts1 values(1648791213001,1,12,3,1.0);
+sql insert into ts2 values(1648791213001,1,12,3,1.0);
+
+sql insert into ts3 values(1648791213001,1,12,3,1.0);
+sql insert into ts4 values(1648791213001,1,12,3,1.0);
+
+sql insert into ts1 values(1648791213002,NULL,NULL,NULL,NULL);
+sql insert into ts2 values(1648791213002,NULL,NULL,NULL,NULL);
+
+sql insert into ts3 values(1648791213002,NULL,NULL,NULL,NULL);
+sql insert into ts4 values(1648791213002,NULL,NULL,NULL,NULL);
+
+sql insert into ts1 values(1648791223002,2,2,3,1.1);
+sql insert into ts1 values(1648791233003,3,2,3,2.1);
+sql insert into ts2 values(1648791243004,4,2,43,73.1);
+sql insert into ts1 values(1648791213002,24,22,23,4.1);
+sql insert into ts1 values(1648791243005,4,20,3,3.1);
+sql insert into ts2 values(1648791243006,4,2,3,3.1) (1648791243007,4,2,3,3.1) ;
+sql insert into ts1 values(1648791243008,4,2,30,3.1) (1648791243009,4,2,3,3.1)  (1648791243010,4,2,3,3.1)  ;
+sql insert into ts2 values(1648791243011,4,2,3,3.1) (1648791243012,34,32,33,3.1)  (1648791243013,4,2,3,3.1) (1648791243014,4,2,13,3.1);
+sql insert into ts1 values(1648791243005,4,42,3,3.1) (1648791243003,4,2,33,3.1) (1648791243006,4,2,3,3.1) (1648791213001,1,52,13,1.0) (1648791223001,22,22,83,1.1) ;
+sql insert into ts2 values(1648791243005,4,42,3,3.1) (1648791243003,4,2,33,3.1) (1648791243006,4,2,3,3.1) (1648791213001,1,52,13,1.0) (1648791223001,22,22,83,1.1) (1648791233004,13,12,13,2.1) ;
+sql insert into ts1 values(1648791243006,4,2,3,3.1) (1648791213001,1,52,13,1.0)  (1648791223001,22,22,83,1.1) ;
+
+sql insert into ts3 values(1648791223002,2,2,3,1.1);
+sql insert into ts4 values(1648791233003,3,2,3,2.1);
+sql insert into ts3 values(1648791243004,4,2,43,73.1);
+sql insert into ts4 values(1648791213002,24,22,23,4.1);
+sql insert into ts3 values(1648791243005,4,20,3,3.1);
+sql insert into ts4 values(1648791243006,4,2,3,3.1) (1648791243007,4,2,3,3.1) ;
+sql insert into ts3 values(1648791243008,4,2,30,3.1) (1648791243009,4,2,3,3.1)  (1648791243010,4,2,3,3.1)  ;
+sql insert into ts4 values(1648791243011,4,2,3,3.1) (1648791243012,34,32,33,3.1)  (1648791243013,4,2,3,3.1) (1648791243014,4,2,13,3.1);
+sql insert into ts3 values(1648791243005,4,42,3,3.1) (1648791243003,4,2,33,3.1) (1648791243006,4,2,3,3.1) (1648791213001,1,52,13,1.0) (1648791223001,22,22,83,1.1) ;
+sql insert into ts4 values(1648791243005,4,42,3,3.1) (1648791243003,4,2,33,3.1) (1648791243006,4,2,3,3.1) (1648791213001,1,52,13,1.0) (1648791223001,22,22,83,1.1) (1648791233004,13,12,13,2.1) ;
+sql insert into ts3 values(1648791243006,4,2,3,3.1) (1648791213001,1,52,13,1.0)  (1648791223001,22,22,83,1.1) ;
+
+$loop_count = 0
+loop1:
+sql select * from target.streamtST1;
+
+sleep 300
+$loop_count = $loop_count + 1
+if $loop_count == 10 then
+  return -1
+endi
+
+# row 0
+if $data01 != 8 then
+  print =====data01=$data01
+  goto loop1
+endi
+
+if $data02 != 4 then
+  print =====data02=$data02
+  goto loop1
+endi
+
+if $data03 != 4 then
+  print ======$data03
+  return -1
+endi
+
+if $data04 != 52 then
+  print ======$data04
+  return -1
+endi
+
+if $data05 != 13 then
+  print ======$data05
+  return -1
+endi
+
+# row 1
+if $data11 != 6 then
+  print =====data11=$data11
+  goto loop1
+endi
+
+if $data12 != 6 then
+  print =====data12=$data12
+  goto loop1
+endi
+
+if $data13 != 92 then
+  print ======$data13
+  return -1
+endi
+
+if $data14 != 22 then
+  print ======$data14
+  return -1
+endi
+
+if $data15 != 3 then
+  print ======$data15
+  return -1
+endi
+
+# row 2
+if $data21 != 4 then
+  print =====data21=$data21
+  goto loop1
+endi
+
+if $data22 != 4 then
+  print =====data22=$data22
+  goto loop1
+endi
+
+if $data23 != 32 then
+  print ======$data23
+  return -1
+endi
+
+if $data24 != 12 then
+  print ======$data24
+  return -1
+endi
+
+if $data25 != 3 then
+  print ======$data25
+  return -1
+endi
+
+# row 3
+if $data31 != 30 then
+  print =====data31=$data31
+  goto loop1
+endi
+
+if $data32 != 30 then
+  print =====data32=$data32
+  goto loop1
+endi
+
+if $data33 != 180 then
+  print ======$data33
+  return -1
+endi
+
+if $data34 != 42 then
+  print ======$data34
+  return -1
+endi
+
+if $data35 != 3 then
+  print ======$data35
+  return -1
+endi
+
+sql select  _wstartts, count(*) c1, count(d) c2 , sum(a) c3 , max(b)  c4, min(c) c5, avg(d) from st interval(10s);