Merge branch 'develop' into feature/sangshuduo/TD-2598

src/balance/src/bnMain.c

@@ -237,21 +237,21 @@ static bool bnCheckVgroupReady(SVgObj *pVgroup, SVnodeGid *pRmVnode) {
   bool isReady = false;
   for (int32_t i = 0; i < pVgroup->numOfVnodes; ++i) {
     SVnodeGid *pVnode = pVgroup->vnodeGid + i;
+    SDnodeObj *pDnode = pVnode->pDnode;
     if (pVnode == pRmVnode) continue;
     int32_t vver = mnodeGetVgidVer(pVnode->vver);
 
-    mTrace("vgId:%d, check vgroup status, vindex:%d dnode:%d status:%s role:%s vver:%d, rmvver:%d" , pVgroup->vgId, i,
+    mTrace("vgId:%d, check vgroup status, vindex:%d dnode:%d status:%s role:%s vver:%d, rmvver:%d", pVgroup->vgId, i,
-           pVnode->dnodeId, dnodeStatus[pVnode->pDnode->status], syncRole[pVnode->role], vver, rmVnodeVer);
+           pVnode->dnodeId, dnodeStatus[pDnode->status], syncRole[pVnode->role], vver, rmVnodeVer);
-    if (pVnode->pDnode->status == TAOS_DN_STATUS_DROPPING) continue;
+    if (pDnode->status == TAOS_DN_STATUS_DROPPING) continue;
-    if (pVnode->pDnode->status == TAOS_DN_STATUS_OFFLINE) continue;
+    if (pDnode->status == TAOS_DN_STATUS_OFFLINE) continue;
     if (pVnode->role != TAOS_SYNC_ROLE_SLAVE && pVnode->role != TAOS_SYNC_ROLE_MASTER) continue;
 
     if (rmVnodeVer == 0 || vver >= rmVnodeVer) {
-      mInfo("vgId:%d, is ready for vindex:%d in dnode:%d status:%s role:%s vver:%d larger than rmvver:%d", pVgroup->vgId, i,
+      mInfo("vgId:%d, is ready for vindex:%d in dnode:%d status:%s role:%s vver:%d larger than rmvver:%d",
-             pVnode->dnodeId, dnodeStatus[pVnode->pDnode->status], syncRole[pVnode->role], vver, rmVnodeVer);
+            pVgroup->vgId, i, pVnode->dnodeId, dnodeStatus[pDnode->status], syncRole[pVnode->role], vver, rmVnodeVer);
+      isReady = true;
     }
-
-    isReady = true;
   }
 
   return isReady;

src/dnode/src/dnodeMWrite.c

@@ -184,7 +184,19 @@ void dnodeReprocessMWriteMsg(void *pMsg) {
     dDebug("msg:%p, app:%p type:%s is redirected for mnode not running, retry times:%d", pWrite, pWrite->rpcMsg.ahandle,
            taosMsg[pWrite->rpcMsg.msgType], pWrite->retry);
 
-    dnodeSendRedirectMsg(pMsg, true);
+    if (pWrite->pBatchMasterMsg) {
+      ++pWrite->pBatchMasterMsg->received;
+      if (pWrite->pBatchMasterMsg->successed + pWrite->pBatchMasterMsg->received
+	  >= pWrite->pBatchMasterMsg->expected) {
+	dnodeSendRedirectMsg(&pWrite->rpcMsg, true);
+	dnodeFreeMWriteMsg(pWrite);
+      }
+
+      mnodeDestroySubMsg(pWrite);
+
+      return;
+    }
+    dnodeSendRedirectMsg(&pWrite->rpcMsg, true);
     dnodeFreeMWriteMsg(pWrite);
   } else {
     dDebug("msg:%p, app:%p type:%s is reput into mwrite queue:%p, retry times:%d", pWrite, pWrite->rpcMsg.ahandle,

src/dnode/src/dnodeVnodes.c

@@ -73,7 +73,8 @@ static int32_t dnodeGetVnodeList(int32_t vnodeList[], int32_t *numOfVnodes) {
 
       if (*numOfVnodes >= TSDB_MAX_VNODES) {
         dError("vgId:%d, too many vnode directory in disk, exist:%d max:%d", vnode, *numOfVnodes, TSDB_MAX_VNODES);
-        continue;
+        closedir(dir);
+        return TSDB_CODE_DND_TOO_MANY_VNODES;
       } else {
         vnodeList[*numOfVnodes - 1] = vnode;
       }

src/inc/mnode.h

@@ -42,11 +42,12 @@ typedef struct SMnodeMsg {
   struct SVgObj *   pVgroup;
   struct STableObj *pTable;
   struct SSTableObj*pSTable;
+  struct SMnodeMsg *pBatchMasterMsg;
   SMnodeRsp rpcRsp;
-  int8_t    received;
+  int16_t   received;
-  int8_t    successed;
+  int16_t   successed;
-  int8_t    expected;
+  int16_t   expected;
-  int8_t    retry;
+  int16_t   retry;
   int32_t   incomingTs;
   int32_t   code;
   void *    pObj;
@@ -57,6 +58,7 @@ typedef struct SMnodeMsg {
 void *  mnodeCreateMsg(SRpcMsg *pRpcMsg);
 int32_t mnodeInitMsg(SMnodeMsg *pMsg);
 void    mnodeCleanupMsg(SMnodeMsg *pMsg);
+void    mnodeDestroySubMsg(SMnodeMsg *pSubMsg);
 
 int32_t mnodeInitSystem();
 int32_t mnodeStartSystem();

src/inc/taoserror.h

@@ -194,6 +194,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_DND_OUT_OF_MEMORY,            0, 0x0401, "Dnode out
 TAOS_DEFINE_ERROR(TSDB_CODE_DND_NO_WRITE_ACCESS,          0, 0x0402, "No permission for disk files in dnode")
 TAOS_DEFINE_ERROR(TSDB_CODE_DND_INVALID_MSG_LEN,          0, 0x0403, "Invalid message length")
 TAOS_DEFINE_ERROR(TSDB_CODE_DND_ACTION_IN_PROGRESS,       0, 0x0404, "Action in progress")
+TAOS_DEFINE_ERROR(TSDB_CODE_DND_TOO_MANY_VNODES,          0, 0x0405, "Too many vnode directories")
 
 // vnode 
 TAOS_DEFINE_ERROR(TSDB_CODE_VND_ACTION_IN_PROGRESS,       0, 0x0500, "Action in progress")

src/mnode/src/mnodeTable.c

@@ -26,6 +26,7 @@
 #include "tcompare.h"
 #include "tdataformat.h"
 #include "tgrant.h"
+#include "tqueue.h"
 #include "hash.h"
 #include "mnode.h"
 #include "dnode.h"
@@ -720,6 +721,133 @@ static void mnodeExtractTableName(char* tableId, char* name) {
   }
 }
 
+static SMnodeMsg *mnodeCreateSubMsg(SMnodeMsg *pBatchMasterMsg, int32_t contSize) {
+  SMnodeMsg *pSubMsg = taosAllocateQitem(sizeof(*pBatchMasterMsg) + contSize);
+  *pSubMsg = *pBatchMasterMsg;
+
+  //pSubMsg->pCont = (char *) pSubMsg + sizeof(SMnodeMsg);
+  pSubMsg->rpcMsg.pCont = pSubMsg->pCont;
+  pSubMsg->successed = 0;
+  pSubMsg->expected = 0;
+  SCMCreateTableMsg *pCM = pSubMsg->rpcMsg.pCont;
+  pCM->numOfTables = htonl(1);
+  pCM->contLen = htonl(contSize);
+
+  return pSubMsg;
+}
+
+void mnodeDestroySubMsg(SMnodeMsg *pSubMsg) {
+  if (pSubMsg) {
+    // pUser is retained in batch master msg
+    if (pSubMsg->pDb) mnodeDecDbRef(pSubMsg->pDb);
+    if (pSubMsg->pVgroup) mnodeDecVgroupRef(pSubMsg->pVgroup);
+    if (pSubMsg->pTable) mnodeDecTableRef(pSubMsg->pTable);
+    if (pSubMsg->pSTable) mnodeDecTableRef(pSubMsg->pSTable);
+    if (pSubMsg->pAcct) mnodeDecAcctRef(pSubMsg->pAcct);
+    if (pSubMsg->pDnode) mnodeDecDnodeRef(pSubMsg->pDnode);
+
+    taosFreeQitem(pSubMsg);
+  }
+}
+
+static int32_t mnodeValidateCreateTableMsg(SCreateTableMsg *pCreateTable, SMnodeMsg *pMsg) {
+  if (pMsg->pDb == NULL) pMsg->pDb = mnodeGetDb(pCreateTable->db);
+  if (pMsg->pDb == NULL) {
+    mError("msg:%p, app:%p table:%s, failed to create, db not selected", pMsg, pMsg->rpcMsg.ahandle, pCreateTable->tableId);
+    return TSDB_CODE_MND_DB_NOT_SELECTED;
+  }
+
+  if (pMsg->pDb->status != TSDB_DB_STATUS_READY) {
+    mError("db:%s, status:%d, in dropping", pMsg->pDb->name, pMsg->pDb->status);
+    return TSDB_CODE_MND_DB_IN_DROPPING;
+  }
+
+  if (pMsg->pTable == NULL) pMsg->pTable = mnodeGetTable(pCreateTable->tableId);
+  if (pMsg->pTable != NULL && pMsg->retry == 0) {
+    if (pCreateTable->getMeta) {
+      mDebug("msg:%p, app:%p table:%s, continue to get meta", pMsg, pMsg->rpcMsg.ahandle, pCreateTable->tableId);
+      return mnodeGetChildTableMeta(pMsg);
+    } else if (pCreateTable->igExists) {
+      mDebug("msg:%p, app:%p table:%s, is already exist", pMsg, pMsg->rpcMsg.ahandle, pCreateTable->tableId);
+      return TSDB_CODE_SUCCESS;
+    } else {
+      mError("msg:%p, app:%p table:%s, failed to create, table already exist", pMsg, pMsg->rpcMsg.ahandle,
+             pCreateTable->tableId);
+      return TSDB_CODE_MND_TABLE_ALREADY_EXIST;
+    }
+  }
+
+  if (pCreateTable->numOfTags != 0) {
+    mDebug("msg:%p, app:%p table:%s, create stable msg is received from thandle:%p", pMsg, pMsg->rpcMsg.ahandle,
+           pCreateTable->tableId, pMsg->rpcMsg.handle);
+    return mnodeProcessCreateSuperTableMsg(pMsg);
+  } else {
+    mDebug("msg:%p, app:%p table:%s, create ctable msg is received from thandle:%p", pMsg, pMsg->rpcMsg.ahandle,
+           pCreateTable->tableId, pMsg->rpcMsg.handle);
+    return mnodeProcessCreateChildTableMsg(pMsg);
+  }
+}
+
+static int32_t mnodeProcessBatchCreateTableMsg(SMnodeMsg *pMsg) {
+  if (pMsg->pBatchMasterMsg == NULL) { // batch master first round
+    pMsg->pBatchMasterMsg = pMsg;
+
+    SCMCreateTableMsg *pCreate = pMsg->rpcMsg.pCont;
+    int32_t numOfTables = htonl(pCreate->numOfTables);
+    int32_t contentLen = htonl(pCreate->contLen);
+    pMsg->expected = numOfTables;
+
+    int32_t code = TSDB_CODE_SUCCESS;
+    SCreateTableMsg *pCreateTable = (SCreateTableMsg*) ((char*) pCreate + sizeof(SCMCreateTableMsg));
+    for (SCreateTableMsg *p = pCreateTable; p < (SCreateTableMsg *) ((char *) pCreate + contentLen); p = (SCreateTableMsg *) ((char *) p + htonl(p->len))) {
+      SMnodeMsg *pSubMsg = mnodeCreateSubMsg(pMsg, sizeof(SCMCreateTableMsg) + htonl(p->len));
+      memcpy(pSubMsg->pCont + sizeof(SCMCreateTableMsg), p, htonl(p->len));
+      code = mnodeValidateCreateTableMsg(p, pSubMsg);
+
+      if (code == TSDB_CODE_SUCCESS || code == TSDB_CODE_MND_TABLE_ALREADY_EXIST) {
+	++pSubMsg->pBatchMasterMsg->successed;
+	mnodeDestroySubMsg(pSubMsg);
+	continue;
+      }
+
+      if (code != TSDB_CODE_MND_ACTION_IN_PROGRESS) {
+	mnodeDestroySubMsg(pSubMsg);
+	return code;
+      }
+    }
+
+    if (pMsg->successed >= pMsg->expected) {
+      return code;
+    } else {
+      return TSDB_CODE_MND_ACTION_IN_PROGRESS;
+    }
+  } else {
+    if (pMsg->pBatchMasterMsg != pMsg) { // batch sub replay
+      SCMCreateTableMsg *pCreate = pMsg->rpcMsg.pCont;
+      SCreateTableMsg *pCreateTable = (SCreateTableMsg*) ((char*) pCreate + sizeof(SCMCreateTableMsg));
+      int32_t code = mnodeValidateCreateTableMsg(pCreateTable, pMsg);
+      if (code == TSDB_CODE_SUCCESS || code == TSDB_CODE_MND_TABLE_ALREADY_EXIST) {
+	++pMsg->pBatchMasterMsg->successed;
+	mnodeDestroySubMsg(pMsg);
+      }
+
+      if (code != TSDB_CODE_MND_ACTION_IN_PROGRESS) {
+	mnodeDestroySubMsg(pMsg);
+	return code;
+      }
+
+      if (pMsg->pBatchMasterMsg->successed + pMsg->pBatchMasterMsg->received
+	  >= pMsg->pBatchMasterMsg->expected) {
+	return code;
+      } else {
+	return TSDB_CODE_MND_ACTION_IN_PROGRESS;
+      }
+    } else { // batch master replay, reprocess the whole batch
+      assert(0);
+    }
+  }
+}
+
 static int32_t mnodeProcessCreateTableMsg(SMnodeMsg *pMsg) {
   SCMCreateTableMsg *pCreate = pMsg->rpcMsg.pCont;
 
@@ -729,6 +857,11 @@ static int32_t mnodeProcessCreateTableMsg(SMnodeMsg *pMsg) {
     // todo return error
   }
 
+  // batch master msg first round or reprocessing and batch sub msg reprocessing
+  if (numOfTables > 1 || pMsg->pBatchMasterMsg != NULL) {
+    return mnodeProcessBatchCreateTableMsg(pMsg);
+  }
+
   SCreateTableMsg *p = (SCreateTableMsg*)((char*) pCreate + sizeof(SCMCreateTableMsg));
   if (pMsg->pDb == NULL) pMsg->pDb = mnodeGetDb(p->db);
   if (pMsg->pDb == NULL) {
@@ -1737,6 +1870,18 @@ static int32_t mnodeDoCreateChildTableCb(SMnodeMsg *pMsg, int32_t code) {
       mDebug("msg:%p, app:%p table:%s, created in dnode, thandle:%p", pMsg, pMsg->rpcMsg.ahandle, pTable->info.tableId,
              pMsg->rpcMsg.handle);
 
+      if (pMsg->pBatchMasterMsg) {
+	++pMsg->pBatchMasterMsg->successed;
+	if (pMsg->pBatchMasterMsg->successed + pMsg->pBatchMasterMsg->received
+	    >= pMsg->pBatchMasterMsg->expected) {
+	  dnodeSendRpcMWriteRsp(pMsg->pBatchMasterMsg, code);
+	}
+
+	mnodeDestroySubMsg(pMsg);
+
+	return TSDB_CODE_MND_ACTION_IN_PROGRESS;
+      }
+
       dnodeSendRpcMWriteRsp(pMsg, TSDB_CODE_SUCCESS);
     }
     return TSDB_CODE_MND_ACTION_IN_PROGRESS;
@@ -2477,6 +2622,19 @@ static void mnodeProcessCreateChildTableRsp(SRpcMsg *rpcMsg) {
 
     mnodeSendDropChildTableMsg(pMsg, false);
     rpcMsg->code = TSDB_CODE_SUCCESS;
+
+    if (pMsg->pBatchMasterMsg) {
+      ++pMsg->pBatchMasterMsg->successed;
+      if (pMsg->pBatchMasterMsg->successed + pMsg->pBatchMasterMsg->received
+	  >= pMsg->pBatchMasterMsg->expected) {
+	dnodeSendRpcMWriteRsp(pMsg->pBatchMasterMsg, rpcMsg->code);
+      }
+
+      mnodeDestroySubMsg(pMsg);
+
+      return;
+    }
+
     dnodeSendRpcMWriteRsp(pMsg, rpcMsg->code);
     return;
   }
@@ -2494,6 +2652,19 @@ static void mnodeProcessCreateChildTableRsp(SRpcMsg *rpcMsg) {
     if (code != TSDB_CODE_SUCCESS && code != TSDB_CODE_MND_ACTION_IN_PROGRESS) {
       pMsg->pTable = NULL;
       mnodeDestroyChildTable(pTable);
+
+      if (pMsg->pBatchMasterMsg) {
+	++pMsg->pBatchMasterMsg->received;
+	if (pMsg->pBatchMasterMsg->successed + pMsg->pBatchMasterMsg->received
+	    >= pMsg->pBatchMasterMsg->expected) {
+	  dnodeSendRpcMWriteRsp(pMsg->pBatchMasterMsg, code);
+	}
+
+	mnodeDestroySubMsg(pMsg);
+
+	return;
+      }
+
       dnodeSendRpcMWriteRsp(pMsg, code);
     }
   } else {
@@ -2519,6 +2690,19 @@ static void mnodeProcessCreateChildTableRsp(SRpcMsg *rpcMsg) {
         //Avoid retry again in client
         rpcMsg->code = TSDB_CODE_MND_VGROUP_NOT_READY;
       }
+
+      if (pMsg->pBatchMasterMsg) {
+	++pMsg->pBatchMasterMsg->received;
+	if (pMsg->pBatchMasterMsg->successed + pMsg->pBatchMasterMsg->received
+	    >= pMsg->pBatchMasterMsg->expected) {
+	  dnodeSendRpcMWriteRsp(pMsg->pBatchMasterMsg, rpcMsg->code);
+	}
+
+	mnodeDestroySubMsg(pMsg);
+
+	return;
+      }
+
       dnodeSendRpcMWriteRsp(pMsg, rpcMsg->code);
     }
   }

src/plugins/http/src/httpResp.c

@@ -50,9 +50,16 @@ static void httpSendErrorRespImp(HttpContext *pContext, int32_t httpCode, char *
   char head[512] = {0};
   char body[512] = {0};
 
+  int8_t httpVersion = 0;
+  int8_t keepAlive = 0;
+  if (pContext->parser != NULL) {
+    httpVersion = pContext->parser->httpVersion;
+    keepAlive = pContext->parser->keepAlive;
+  }
+
   int32_t bodyLen = sprintf(body, httpRespTemplate[HTTP_RESPONSE_JSON_ERROR], errNo, desc);
-  int32_t headLen = sprintf(head, httpRespTemplate[HTTP_RESPONSE_ERROR], httpVersionStr[pContext->parser->httpVersion],
+  int32_t headLen = sprintf(head, httpRespTemplate[HTTP_RESPONSE_ERROR], httpVersionStr[httpVersion], httpCode,
-                            httpCode, httpCodeStr, httpKeepAliveStr[pContext->parser->keepAlive], bodyLen);
+                            httpCodeStr, httpKeepAliveStr[keepAlive], bodyLen);
 
   httpWriteBuf(pContext, head, headLen);
   httpWriteBuf(pContext, body, bodyLen);
@@ -164,9 +171,16 @@ void httpSendSuccResp(HttpContext *pContext, char *desc) {
   char head[1024] = {0};
   char body[1024] = {0};
 
+  int8_t httpVersion = 0;
+  int8_t keepAlive = 0;
+  if (pContext->parser != NULL) {
+    httpVersion = pContext->parser->httpVersion;
+    keepAlive = pContext->parser->keepAlive;
+  }
+
   int32_t bodyLen = sprintf(body, httpRespTemplate[HTTP_RESPONSE_JSON_OK], TSDB_CODE_SUCCESS, desc);
-  int32_t headLen = sprintf(head, httpRespTemplate[HTTP_RESPONSE_OK], httpVersionStr[pContext->parser->httpVersion],
+  int32_t headLen = sprintf(head, httpRespTemplate[HTTP_RESPONSE_OK], httpVersionStr[httpVersion],
-                            httpKeepAliveStr[pContext->parser->keepAlive], bodyLen);
+                            httpKeepAliveStr[keepAlive], bodyLen);
 
   httpWriteBuf(pContext, head, headLen);
   httpWriteBuf(pContext, body, bodyLen);
@@ -177,9 +191,16 @@ void httpSendOptionResp(HttpContext *pContext, char *desc) {
   char head[1024] = {0};
   char body[1024] = {0};
 
+  int8_t httpVersion = 0;
+  int8_t keepAlive = 0;
+  if (pContext->parser != NULL) {
+    httpVersion = pContext->parser->httpVersion;
+    keepAlive = pContext->parser->keepAlive;
+  }
+
   int32_t bodyLen = sprintf(body, httpRespTemplate[HTTP_RESPONSE_JSON_OK], TSDB_CODE_SUCCESS, desc);
-  int32_t headLen = sprintf(head, httpRespTemplate[HTTP_RESPONSE_OPTIONS], httpVersionStr[pContext->parser->httpVersion],
+  int32_t headLen = sprintf(head, httpRespTemplate[HTTP_RESPONSE_OPTIONS], httpVersionStr[httpVersion],
-                            httpKeepAliveStr[pContext->parser->keepAlive], bodyLen);
+                            httpKeepAliveStr[keepAlive], bodyLen);
 
   httpWriteBuf(pContext, head, headLen);
   httpWriteBuf(pContext, body, bodyLen);

src/sync/src/syncRetrieve.c

@@ -503,9 +503,10 @@ void *syncRetrieveData(void *param) {
   taosClose(pPeer->syncFd);
 
   // The ref is obtained in both the create thread and the current thread, so it is released twice
+  sInfo("%s, sync retrieve data over, sstatus:%s", pPeer->id, syncStatus[pPeer->sstatus]);
+
   syncReleasePeer(pPeer);
   syncReleasePeer(pPeer);
 
-  sInfo("%s, sync retrieve data over, sstatus:%s", pPeer->id, syncStatus[pPeer->sstatus]);
   return NULL;
 }

src/vnode/src/vnodeWrite.c

@@ -101,8 +101,7 @@ int32_t vnodeProcessWrite(void *vparam, void *wparam, int32_t qtype, void *rpara
   return syncCode;
 }
 
-static int32_t vnodeCheckWrite(void *vparam) {
+static int32_t vnodeCheckWrite(SVnodeObj *pVnode) {
-  SVnodeObj *pVnode = vparam;
   if (!(pVnode->accessState & TSDB_VN_WRITE_ACCCESS)) {
     vDebug("vgId:%d, no write auth, refCount:%d pVnode:%p", pVnode->vgId, pVnode->refCount, pVnode);
     return TSDB_CODE_VND_NO_WRITE_AUTH;
@@ -216,29 +215,21 @@ static int32_t vnodeProcessUpdateTagValMsg(SVnodeObj *pVnode, void *pCont, SRspR
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t vnodeWriteToWQueue(void *vparam, void *wparam, int32_t qtype, void *rparam) {
+static SVWriteMsg *vnodeBuildVWriteMsg(SVnodeObj *pVnode, SWalHead *pHead, int32_t qtype, SRpcMsg *pRpcMsg) {
-  SVnodeObj *pVnode = vparam;
-  SWalHead * pHead = wparam;
-  int32_t    code = 0;
-
-  if (qtype == TAOS_QTYPE_RPC) {
-    code = vnodeCheckWrite(pVnode);
-    if (code != TSDB_CODE_SUCCESS) return code;
-  }
-
   if (pHead->len > TSDB_MAX_WAL_SIZE) {
     vError("vgId:%d, wal len:%d exceeds limit, hver:%" PRIu64, pVnode->vgId, pHead->len, pHead->version);
-    return TSDB_CODE_WAL_SIZE_LIMIT;
+    terrno = TSDB_CODE_WAL_SIZE_LIMIT;
+    return NULL;
   }
 
   int32_t size = sizeof(SVWriteMsg) + sizeof(SWalHead) + pHead->len;
   SVWriteMsg *pWrite = taosAllocateQitem(size);
   if (pWrite == NULL) {
-    return TSDB_CODE_VND_OUT_OF_MEMORY;
+    terrno = TSDB_CODE_VND_OUT_OF_MEMORY;
+    return NULL;
   }
 
-  if (rparam != NULL) {
+  if (pRpcMsg != NULL) {
-    SRpcMsg *pRpcMsg = rparam;
     pWrite->rpcMsg = *pRpcMsg;
   }
 
@@ -248,6 +239,21 @@ int32_t vnodeWriteToWQueue(void *vparam, void *wparam, int32_t qtype, void *rpar
 
   atomic_add_fetch_32(&pVnode->refCount, 1);
 
+  return pWrite;
+}
+
+static int32_t vnodeWriteToWQueueImp(SVWriteMsg *pWrite) {
+  SVnodeObj *pVnode = pWrite->pVnode;
+
+  if (pWrite->qtype == TAOS_QTYPE_RPC) {
+    int32_t code = vnodeCheckWrite(pVnode);
+    if (code != TSDB_CODE_SUCCESS) {
+      taosFreeQitem(pWrite);
+      vnodeRelease(pVnode);
+      return code;
+    }
+  }
+
   int32_t queued = atomic_add_fetch_32(&pVnode->queuedWMsg, 1);
   if (queued > MAX_QUEUED_MSG_NUM) {
     int32_t ms = (queued / MAX_QUEUED_MSG_NUM) * 10 + 3;
@@ -256,15 +262,25 @@ int32_t vnodeWriteToWQueue(void *vparam, void *wparam, int32_t qtype, void *rpar
     taosMsleep(ms);
   }
 
-  code = vnodePerformFlowCtrl(pWrite);
-  if (code != 0) return 0;
-
   vTrace("vgId:%d, write into vwqueue, refCount:%d queued:%d", pVnode->vgId, pVnode->refCount, pVnode->queuedWMsg);
 
-  taosWriteQitem(pVnode->wqueue, qtype, pWrite);
+  taosWriteQitem(pVnode->wqueue, pWrite->qtype, pWrite);
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t vnodeWriteToWQueue(void *vparam, void *wparam, int32_t qtype, void *rparam) {
+  SVWriteMsg *pWrite = vnodeBuildVWriteMsg(vparam, wparam, qtype, rparam);
+  if (pWrite == NULL) {
+    assert(terrno != 0);
+    return terrno;
+  }
+
+  int32_t code = vnodePerformFlowCtrl(pWrite);
+  if (code != 0) return 0;
+
+  return vnodeWriteToWQueueImp(pWrite);
+}
+
 void vnodeFreeFromWQueue(void *vparam, SVWriteMsg *pWrite) {
   SVnodeObj *pVnode = vparam;
 
@@ -294,7 +310,10 @@ static void vnodeFlowCtrlMsgToWQueue(void *param, void *tmrId) {
       vDebug("vgId:%d, msg:%p, write into vwqueue after flowctrl, retry:%d", pVnode->vgId, pWrite,
              pWrite->processedCount);
       pWrite->processedCount = 0;
-      taosWriteQitem(pVnode->wqueue, pWrite->qtype, pWrite);
+      code = vnodeWriteToWQueueImp(pWrite);
+      if (code != 0) {
+        dnodeSendRpcVWriteRsp(pWrite->pVnode, pWrite, code);
+      }
     }
   }
 }

tests/pytest/stream/sys.py

@@ -28,6 +28,7 @@ class TDTestCase:
 
 
     def run(self):
+        time.sleep(5)
         tdSql.execute("use log")
 
         tdSql.execute("create table cpustrm as select count(*), avg(cpu_taosd), max(cpu_taosd), min(cpu_taosd), avg(cpu_system), max(cpu_cores), min(cpu_cores), last(cpu_cores) from log.dn1 interval(4s)")

tests/script/unique/db/replica_reduce31.sim

@@ -99,9 +99,11 @@ print ========= step2 alter db
 sql_error alter database d1 replica 1
 sql_error alter database d2 replica 1
 sql_error alter database d3 replica 1
+sql_error alter database d4 replica 1
 sql alter database d1 replica 2
 sql alter database d2 replica 2
 sql alter database d3 replica 2
+sql alter database d4 replica 2
 
 $x = 0
 a2: 
@@ -129,9 +131,16 @@ if $data03 != 2 then
 	goto a2
 endi
 
+sql show d4.vgroups 
+print online vnodes $data03
+if $data03 != 2 then
+	goto a2
+endi
+
 sql alter database d1 replica 1
 sql alter database d2 replica 1
 sql alter database d3 replica 1
+sql alter database d4 replica 1
 
 $x = 0
 a1: 
@@ -159,6 +168,27 @@ if $data03 != 1 then
 	goto a1
 endi
 
+sql show d4.vgroups 
+print online vnodes $data03
+if $data03 != 1 then
+	goto a1
+endi
+
+sql show dnodes
+print $data00 $data01 $data02 $data03
+print $data10 $data11 $data12 $data13
+print $data20 $data21 $data22 $data23
+
+if $data02 != 0 then
+	goto a1
+endi
+if $data12 != 2 then
+	goto a1
+endi
+if $data22 != 2 then
+	goto a1
+endi
+
 print ========= step3
 sql reset query cache
 sleep 100
@@ -192,6 +222,7 @@ print ========= step4 alter db
 sql alter database d1 replica 2
 sql alter database d2 replica 2
 sql alter database d3 replica 2
+sql alter database d4 replica 2
 
 $x = 0
 step4: 
@@ -219,6 +250,12 @@ if $data03 != 2 then
 	goto step4
 endi
 
+sql show d4.vgroups 
+print online vnodes $data03
+if $data03 != 2 then
+	goto step4
+endi
+
 sql insert into d1.t1 values(now, 3)
 sql insert into d2.t2 values(now, 3)
 sql insert into d3.t3 values(now, 3)
@@ -287,3 +324,4 @@ sql select * from d4.t4
 system sh/exec.sh -n dnode1 -s stop  -x SIGINT
 system sh/exec.sh -n dnode2 -s stop  -x SIGINT
 system sh/exec.sh -n dnode3 -s stop  -x SIGINT
+system sh/exec.sh -n dnode4 -s stop  -x SIGINT