Merge branch 'develop' of https://github.com/taosdata/TDengine into develop

src/client/src/tscSQLParser.c

@@ -6082,11 +6082,14 @@ int32_t exprTreeFromSqlExpr(tExprNode **pExpr, const tSQLExpr* pSqlExpr, SArray*
       }
     }
 
+
     if ((*pExpr)->_node.optr != TSDB_RELATION_EQUAL && (*pExpr)->_node.optr != TSDB_RELATION_NOT_EQUAL) {
       if (pRight->nodeType == TSQL_NODE_VALUE) {
-        if (  pRight->pVal->nType == TSDB_DATA_TYPE_BOOL 
-           || pRight->pVal->nType == TSDB_DATA_TYPE_BINARY 
-           || pRight->pVal->nType == TSDB_DATA_TYPE_NCHAR) {
+        if (pRight->pVal->nType == TSDB_DATA_TYPE_BOOL) {
+          return TSDB_CODE_TSC_INVALID_SQL;
+        }
+        if ((pRight->pVal->nType == TSDB_DATA_TYPE_BINARY || pRight->pVal->nType == TSDB_DATA_TYPE_NCHAR)
+            && (*pExpr)->_node.optr != TSDB_RELATION_LIKE) {
           return TSDB_CODE_TSC_INVALID_SQL;
         }
       }

src/client/src/tscSecondaryMerge.c

@@ -353,7 +353,7 @@ void tscCreateLocalReducer(tExtMemBuffer **pMemBuffer, int32_t numOfBuffer, tOrd
   pRes->numOfGroups = 0;
 
   STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(pCmd, pCmd->clauseIndex, 0);
-  STableComInfo tinfo = tscGetTableInfo(pTableMetaInfo->pTableMeta);;
+  STableComInfo tinfo = tscGetTableInfo(pTableMetaInfo->pTableMeta);
   
   TSKEY stime = MIN(pQueryInfo->window.skey, pQueryInfo->window.ekey);
   int64_t revisedSTime =

src/client/src/tscServer.c

@@ -1473,7 +1473,7 @@ int tscBuildTableMetaMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
     pMsg += len;
   }
 
-  pCmd->payloadLen = pMsg - (char*)pInfoMsg;;
+  pCmd->payloadLen = pMsg - (char*)pInfoMsg;
   pCmd->msgType = TSDB_MSG_TYPE_CM_TABLE_META;
 
   tfree(tmpData);

src/client/src/tscStream.c

@@ -499,7 +499,7 @@ TAOS_STREAM *taos_open_stream(TAOS *taos, const char *sqlstr, void (*fp)(void *p
   if (pSql->sqlstr == NULL) {
     tscError("%p failed to malloc sql string buffer", pSql);
     tscFreeSqlObj(pSql);
-    return NULL;;
+    return NULL;
   }
   strtolower(pSql->sqlstr, sqlstr);
 

src/cq/src/cqMain.c

@@ -256,11 +256,30 @@ static void cqProcessStreamRes(void *param, TAOS_RES *tres, TAOS_ROW row) {
   SDataRow trow = (SDataRow)pBlk->data;
   tdInitDataRow(trow, pSchema);
 
+  union {
+    char buf[sizeof(int64_t)];
+    tstr str;
+  } nullVal;
+
   for (int32_t i = 0; i < pSchema->numOfCols; i++) {
     STColumn *c = pSchema->columns + i;
     char* val = (char*)row[i];
     if (IS_VAR_DATA_TYPE(c->type)) {
-      val -= sizeof(VarDataLenT);
+      if (val == NULL) {
+        val = nullVal.buf;
+        if (c->type == TSDB_DATA_TYPE_BINARY) {
+          setNull(nullVal.str.data, TSDB_DATA_TYPE_BINARY, 1);
+          nullVal.str.len = 1;
+        } else {
+          setNull(nullVal.str.data, TSDB_DATA_TYPE_NCHAR, 4);
+          nullVal.str.len = 4;
+        }
+      } else {
+        val -= sizeof(VarDataLenT);
+      }
+    } else if (val == NULL) {
+      val = nullVal.buf;
+      setNull(val, c->type, c->bytes);
     }
     tdAppendColVal(trow, val, c->type, c->bytes, c->offset);
   }

src/dnode/src/dnodeMWrite.c

@@ -118,6 +118,8 @@ void dnodeDispatchToMnodeWriteQueue(SRpcMsg *pMsg) {
 
   SMnodeMsg *pWrite = (SMnodeMsg *)taosAllocateQitem(sizeof(SMnodeMsg));
   mnodeCreateMsg(pWrite, pMsg);
+
+  dTrace("app:%p:%p, msg:%s is put into mwrite queue", pWrite->rpcMsg.ahandle, pWrite, taosMsg[pWrite->rpcMsg.msgType]);
   taosWriteQitem(tsMWriteQueue, TAOS_QTYPE_RPC, pWrite);
 }
 
@@ -128,6 +130,7 @@ static void dnodeFreeMnodeWriteMsg(SMnodeMsg *pWrite) {
 
 void dnodeSendRpcMnodeWriteRsp(void *pRaw, int32_t code) {
   SMnodeMsg *pWrite = pRaw;
+  if (pWrite == NULL) return;
   if (code == TSDB_CODE_MND_ACTION_IN_PROGRESS) return;
   if (code == TSDB_CODE_MND_ACTION_NEED_REPROCESSED) {
     dnodeReprocessMnodeWriteMsg(pWrite);
@@ -146,19 +149,21 @@ void dnodeSendRpcMnodeWriteRsp(void *pRaw, int32_t code) {
 }
 
 static void *dnodeProcessMnodeWriteQueue(void *param) {
-  SMnodeMsg *pWriteMsg;
+  SMnodeMsg *pWrite;
   int32_t    type;
   void *     unUsed;
   
   while (1) {
-    if (taosReadQitemFromQset(tsMWriteQset, &type, (void **)&pWriteMsg, &unUsed) == 0) {
+    if (taosReadQitemFromQset(tsMWriteQset, &type, (void **)&pWrite, &unUsed) == 0) {
       dTrace("dnodeProcessMnodeWriteQueue: got no message from qset, exiting...");
       break;
     }
 
-    dTrace("%p, msg:%s will be processed in mwrite queue", pWriteMsg->rpcMsg.ahandle, taosMsg[pWriteMsg->rpcMsg.msgType]);    
-    int32_t code = mnodeProcessWrite(pWriteMsg);    
-    dnodeSendRpcMnodeWriteRsp(pWriteMsg, code);
+    dTrace("app:%p:%p, msg:%s will be processed in mwrite queue", pWrite->rpcMsg.ahandle, pWrite,
+           taosMsg[pWrite->rpcMsg.msgType]);
+
+    int32_t code = mnodeProcessWrite(pWrite);
+    dnodeSendRpcMnodeWriteRsp(pWrite, code);
   }
 
   return NULL;
@@ -168,9 +173,15 @@ void dnodeReprocessMnodeWriteMsg(void *pMsg) {
   SMnodeMsg *pWrite = pMsg;
 
   if (!mnodeIsRunning() || tsMWriteQueue == NULL) {
+    dTrace("app:%p:%p, msg:%s is redirected for mnode not running, retry times:%d", pWrite->rpcMsg.ahandle, pWrite,
+           taosMsg[pWrite->rpcMsg.msgType], pWrite->retry);
+
     dnodeSendRedirectMsg(pMsg, true);
     dnodeFreeMnodeWriteMsg(pWrite);
-  } else {    
+  } else {
+    dTrace("app:%p:%p, msg:%s is reput into mwrite queue, retry times:%d", pWrite->rpcMsg.ahandle, pWrite,
+           taosMsg[pWrite->rpcMsg.msgType], pWrite->retry);
+
     taosWriteQitem(tsMWriteQueue, TAOS_QTYPE_RPC, pWrite);
   }
 }

src/inc/taos.h

@@ -55,7 +55,7 @@ typedef enum {
 typedef struct taosField {
   char     name[65];
   uint8_t  type;
-  short    bytes;
+  uint16_t bytes;
 } TAOS_FIELD;
 
 #ifdef _TD_GO_DLL_

src/inc/taoserror.h

@@ -113,8 +113,12 @@ TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_QUERY_ID,         0, 0x030C, "mnode inva
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_STREAM_ID,        0, 0x030D, "mnode invalid stream id")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_CONN_ID,          0, 0x030E, "mnode invalid connection")
 
-TAOS_DEFINE_ERROR(TSDB_CODE_MND_SDB_OBJ_ALREADY_THERE,    0, 0x0320, "mnode object already there")
-TAOS_DEFINE_ERROR(TSDB_CODE_MND_SDB_ERROR,                0, 0x0321, "mnode sdb error")
+TAOS_DEFINE_ERROR(TSDB_CODE_MND_SDB_OBJ_ALREADY_THERE,    0, 0x0320, "[sdb] object already there")
+TAOS_DEFINE_ERROR(TSDB_CODE_MND_SDB_ERROR,                0, 0x0321, "[sdb] app error")
+TAOS_DEFINE_ERROR(TSDB_CODE_MND_SDB_INVALID_TABLE_TYPE,   0, 0x0322, "[sdb] invalid table type")
+TAOS_DEFINE_ERROR(TSDB_CODE_MND_SDB_OBJ_NOT_THERE,        0, 0x0323, "[sdb] object not there")
+TAOS_DEFINE_ERROR(TSDB_CODE_MND_SDB_INVAID_META_ROW,      0, 0x0324, "[sdb] invalid meta row")
+TAOS_DEFINE_ERROR(TSDB_CODE_MND_SDB_INVAID_KEY_TYPE,      0, 0x0325, "[sdb] invalid key type")
 
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_DNODE_ALREADY_EXIST,      0, 0x0330, "mnode dnode already exist")
 TAOS_DEFINE_ERROR(TSDB_CODE_MND_DNODE_NOT_EXIST,          0, 0x0331, "mnode dnode not exist")

src/mnode/inc/mnodeDnode.h

@@ -47,7 +47,7 @@ void    mnodeDecDnodeRef(SDnodeObj *pDnode);
 void *  mnodeGetDnode(int32_t dnodeId);
 void *  mnodeGetDnodeByEp(char *ep);
 void    mnodeUpdateDnode(SDnodeObj *pDnode);
-int32_t mnodeDropDnode(SDnodeObj *pDnode);
+int32_t mnodeDropDnode(SDnodeObj *pDnode, void *pMsg);
 
 extern int32_t tsAccessSquence;
 

src/mnode/inc/mnodeInt.h

@@ -36,10 +36,10 @@ extern int32_t sdbDebugFlag;
 #define mLWarn(...)  { monitorSaveLog(1, __VA_ARGS__); mWarn(__VA_ARGS__)  }
 #define mLPrint(...) { monitorSaveLog(0, __VA_ARGS__); mPrint(__VA_ARGS__) }
 
-#define sdbError(...) { if (sdbDebugFlag & DEBUG_ERROR) { taosPrintLog("ERROR MND-SDB ", 255, __VA_ARGS__); }}
-#define sdbWarn(...)  { if (sdbDebugFlag & DEBUG_WARN)  { taosPrintLog("WARN MND-SDB ", sdbDebugFlag, __VA_ARGS__); }}
-#define sdbTrace(...) { if (sdbDebugFlag & DEBUG_TRACE) { taosPrintLog("MND-SDB ", sdbDebugFlag, __VA_ARGS__);}}
-#define sdbPrint(...) { taosPrintLog("MND-SDB ", 255, __VA_ARGS__); }
+#define sdbError(...) { if (sdbDebugFlag & DEBUG_ERROR) { taosPrintLog("ERROR SDB ", 255, __VA_ARGS__); }}
+#define sdbWarn(...)  { if (sdbDebugFlag & DEBUG_WARN)  { taosPrintLog("WARN SDB ", sdbDebugFlag, __VA_ARGS__); }}
+#define sdbTrace(...) { if (sdbDebugFlag & DEBUG_TRACE) { taosPrintLog("SDB ", sdbDebugFlag, __VA_ARGS__);}}
+#define sdbPrint(...) { taosPrintLog("SDB ", 255, __VA_ARGS__); }
 
 #define sdbLError(...) { monitorSaveLog(2, __VA_ARGS__); sdbError(__VA_ARGS__) }
 #define sdbLWarn(...)  { monitorSaveLog(1, __VA_ARGS__); sdbWarn(__VA_ARGS__)  }

src/mnode/inc/mnodeSdb.h

@@ -20,6 +20,8 @@
 extern "C" {
 #endif
 
+struct SMnodeMsg;
+
 typedef enum {
   SDB_TABLE_DNODE   = 0,
   SDB_TABLE_MNODE   = 1,
@@ -48,8 +50,11 @@ typedef struct {
   ESdbOper type;
   void *   table;
   void *   pObj;
-  int32_t  rowSize;
   void *   rowData;
+  int32_t  rowSize;
+  int32_t  retCode; // for callback in sdb queue
+  int32_t  (*cb)(struct SMnodeMsg *pMsg, int32_t code);
+  struct SMnodeMsg *pMsg;
 } SSdbOper;
 
 typedef struct {

src/mnode/inc/mnodeUser.h

@@ -28,7 +28,8 @@ void *    mnodeGetNextUser(void *pIter, SUserObj **pUser);
 void      mnodeIncUserRef(SUserObj *pUser);
 void      mnodeDecUserRef(SUserObj *pUser);
 SUserObj *mnodeGetUserFromConn(void *pConn);
-int32_t   mnodeCreateUser(SAcctObj *pAcct, char *name, char *pass);
+char *    mnodeGetUserFromMsg(void *pMnodeMsg);
+int32_t   mnodeCreateUser(SAcctObj *pAcct, char *name, char *pass, void *pMsg);
 void      mnodeDropAllUsers(SAcctObj *pAcct);
 
 #ifdef __cplusplus

src/mnode/src/mnodeAcct.c

@@ -78,7 +78,9 @@ static int32_t mnodeAcctActionDecode(SSdbOper *pOper) {
 }
 
 static int32_t mnodeAcctActionRestored() {
-  if (dnodeIsFirstDeploy()) {
+  int32_t numOfRows = sdbGetNumOfRows(tsAcctSdb);
+  if (numOfRows <= 0 && dnodeIsFirstDeploy()) {
+    mPrint("dnode first deploy, create root acct");
     int32_t code = mnodeCreateRootAcct();
     if (code != TSDB_CODE_SUCCESS) {
       mError("failed to create root account, reason:%s", tstrerror(code));

src/mnode/src/mnodeDb.c

@@ -41,7 +41,7 @@
 static void *  tsDbSdb = NULL;
 static int32_t tsDbUpdateSize;
 
-static int32_t mnodeCreateDb(SAcctObj *pAcct, SCMCreateDbMsg *pCreate);
+static int32_t mnodeCreateDb(SAcctObj *pAcct, SCMCreateDbMsg *pCreate, void *pMsg);
 static int32_t mnodeDropDb(SMnodeMsg *newMsg);
 static int32_t mnodeSetDbDropping(SDbObj *pDb);
 static int32_t mnodeGetDbMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn);
@@ -311,7 +311,7 @@ static void mnodeSetDefaultDbCfg(SDbCfg *pCfg) {
   if (pCfg->replications < 0) pCfg->replications = tsReplications;
 }
 
-static int32_t mnodeCreateDb(SAcctObj *pAcct, SCMCreateDbMsg *pCreate) {
+static int32_t mnodeCreateDb(SAcctObj *pAcct, SCMCreateDbMsg *pCreate, void *pMsg) {
   int32_t code = acctCheck(pAcct, ACCT_GRANT_DB);
   if (code != 0) return code;
 
@@ -364,12 +364,15 @@ static int32_t mnodeCreateDb(SAcctObj *pAcct, SCMCreateDbMsg *pCreate) {
     .table   = tsDbSdb,
     .pObj    = pDb,
     .rowSize = sizeof(SDbObj),
+    .pMsg    = pMsg
   };
 
   code = sdbInsertRow(&oper);
   if (code != TSDB_CODE_SUCCESS) {
     tfree(pDb);
-    code = TSDB_CODE_MND_SDB_ERROR;
+  } else {
+    mLPrint("db:%s, is created by %s", pDb->name, mnodeGetUserFromMsg(pMsg));
+    if (pMsg != NULL) code = TSDB_CODE_MND_ACTION_IN_PROGRESS;
   }
 
   return code;
@@ -771,12 +774,7 @@ static int32_t mnodeProcessCreateDbMsg(SMnodeMsg *pMsg) {
   } else if (!pMsg->pUser->writeAuth) {
     code = TSDB_CODE_MND_NO_RIGHTS;
   } else {
-    code = mnodeCreateDb(pMsg->pUser->pAcct, pCreate);
-    if (code == TSDB_CODE_SUCCESS) {
-      mLPrint("db:%s, is created by %s", pCreate->db, pMsg->pUser->user);
-    } else {
-      mError("db:%s, failed to create, reason:%s", pCreate->db, tstrerror(code));
-    }
+    code = mnodeCreateDb(pMsg->pUser->pAcct, pCreate, pMsg);
   }
 
   return code;
@@ -893,7 +891,31 @@ static SDbCfg mnodeGetAlterDbOption(SDbObj *pDb, SCMAlterDbMsg *pAlter) {
   return newCfg;
 }
 
-static int32_t mnodeAlterDb(SDbObj *pDb, SCMAlterDbMsg *pAlter) {
+static int32_t mnodeAlterDbCb(SMnodeMsg *pMsg, int32_t code) {
+  if (code != TSDB_CODE_SUCCESS) return code;
+  SDbObj *pDb = pMsg->pDb;
+
+  void *pIter = NULL;
+  while (1) {
+    SVgObj *pVgroup = NULL;
+    pIter = mnodeGetNextVgroup(pIter, &pVgroup);
+    if (pVgroup == NULL) break;
+    if (pVgroup->pDb == pDb) {
+      mnodeSendCreateVgroupMsg(pVgroup, NULL);
+    }
+    mnodeDecVgroupRef(pVgroup);
+  }
+  sdbFreeIter(pIter);
+
+  mTrace("db:%s, all vgroups is altered", pDb->name);
+  mLPrint("db:%s, is alterd by %s", pDb->name, mnodeGetUserFromMsg(pMsg));
+
+  balanceNotify();
+
+  return TSDB_CODE_SUCCESS;
+}
+
+static int32_t mnodeAlterDb(SDbObj *pDb, SCMAlterDbMsg *pAlter, void *pMsg) {
   SDbCfg newCfg = mnodeGetAlterDbOption(pDb, pAlter);
   if (terrno != TSDB_CODE_SUCCESS) {
     return terrno;
@@ -904,38 +926,24 @@ static int32_t mnodeAlterDb(SDbObj *pDb, SCMAlterDbMsg *pAlter) {
     return code;
   }
 
-  int32_t oldReplica = pDb->cfg.replications;
-
   if (memcmp(&newCfg, &pDb->cfg, sizeof(SDbCfg)) != 0) {
     pDb->cfg = newCfg;
     pDb->cfgVersion++;
     SSdbOper oper = {
-      .type = SDB_OPER_GLOBAL,
+      .type  = SDB_OPER_GLOBAL,
       .table = tsDbSdb,
-      .pObj = pDb
+      .pObj  = pDb,
+      .pMsg  = pMsg,
+      .cb    = mnodeAlterDbCb
     };
 
-    int32_t code = sdbUpdateRow(&oper);
-    if (code != TSDB_CODE_SUCCESS) {
-      return TSDB_CODE_MND_SDB_ERROR;
+    code = sdbUpdateRow(&oper);
+    if (code == TSDB_CODE_SUCCESS) {
+      if (pMsg != NULL) code = TSDB_CODE_MND_ACTION_IN_PROGRESS;
     }
   }
 
-  void *pIter = NULL;
-  while (1) {
-    SVgObj *pVgroup = NULL;
-    pIter = mnodeGetNextVgroup(pIter, &pVgroup);
-    if (pVgroup == NULL) break;   
-    mnodeSendCreateVgroupMsg(pVgroup, NULL);
-    mnodeDecVgroupRef(pVgroup);
-  }
-  sdbFreeIter(pIter);
-
-  if (oldReplica != pDb->cfg.replications) {
-    balanceNotify();
-  }
-
-  return TSDB_CODE_SUCCESS;
+  return code;
 }
 
 static int32_t mnodeProcessAlterDbMsg(SMnodeMsg *pMsg) {
@@ -948,14 +956,7 @@ static int32_t mnodeProcessAlterDbMsg(SMnodeMsg *pMsg) {
     return TSDB_CODE_MND_INVALID_DB;
   }
 
-  int32_t code = mnodeAlterDb(pMsg->pDb, pAlter);
-  if (code != TSDB_CODE_SUCCESS) {
-    mError("db:%s, failed to alter, invalid db option", pAlter->db);
-    return code;
-  }
-
-  mTrace("db:%s, all vgroups is altered", pMsg->pDb->name);
-  return TSDB_CODE_SUCCESS;
+  return mnodeAlterDb(pMsg->pDb, pAlter, pMsg);
 }
 
 static int32_t mnodeDropDb(SMnodeMsg *pMsg) {
@@ -963,13 +964,16 @@ static int32_t mnodeDropDb(SMnodeMsg *pMsg) {
   mPrint("db:%s, drop db from sdb", pDb->name);
 
   SSdbOper oper = {
-    .type = SDB_OPER_GLOBAL,
+    .type  = SDB_OPER_GLOBAL,
     .table = tsDbSdb,
-    .pObj = pDb
+    .pObj  = pDb,
+    .pMsg  = pMsg
   };
+
   int32_t code = sdbDeleteRow(&oper);
-  if (code != 0) {
-    code = TSDB_CODE_MND_SDB_ERROR;
+  if (code == TSDB_CODE_SUCCESS) {
+    mLPrint("db:%s, is dropped by %s", pDb->name, mnodeGetUserFromMsg(pMsg));
+    if (pMsg != NULL) code = TSDB_CODE_MND_ACTION_IN_PROGRESS;
   }
 
   return code;

src/mnode/src/mnodeDnode.c

@@ -44,7 +44,7 @@ static int32_t tsDnodeUpdateSize = 0;
 extern void *  tsMnodeSdb;
 extern void *  tsVgroupSdb;
 
-static int32_t mnodeCreateDnode(char *ep);
+static int32_t mnodeCreateDnode(char *ep, SMnodeMsg *pMsg);
 static int32_t mnodeProcessCreateDnodeMsg(SMnodeMsg *pMsg);
 static int32_t mnodeProcessDropDnodeMsg(SMnodeMsg *pMsg);
 static int32_t mnodeProcessCfgDnodeMsg(SMnodeMsg *pMsg);
@@ -117,7 +117,8 @@ static int32_t mnodeDnodeActionDecode(SSdbOper *pOper) {
 static int32_t mnodeDnodeActionRestored() {
   int32_t numOfRows = sdbGetNumOfRows(tsDnodeSdb);
   if (numOfRows <= 0 && dnodeIsFirstDeploy()) {
-    mnodeCreateDnode(tsLocalEp);
+    mPrint("dnode first deploy, create dnode:%s", tsLocalEp);
+    mnodeCreateDnode(tsLocalEp, NULL);
     SDnodeObj *pDnode = mnodeGetDnodeByEp(tsLocalEp);
     mnodeAddMnode(pDnode->dnodeId);
     mnodeDecDnodeRef(pDnode);
@@ -391,7 +392,7 @@ static int32_t mnodeProcessDnodeStatusMsg(SMnodeMsg *pMsg) {
   return TSDB_CODE_SUCCESS;
 }
 
-static int32_t mnodeCreateDnode(char *ep) {
+static int32_t mnodeCreateDnode(char *ep, SMnodeMsg *pMsg) {
   int32_t grantCode = grantCheck(TSDB_GRANT_DNODE);
   if (grantCode != TSDB_CODE_SUCCESS) {
     return grantCode;
@@ -415,7 +416,8 @@ static int32_t mnodeCreateDnode(char *ep) {
     .type = SDB_OPER_GLOBAL,
     .table = tsDnodeSdb,
     .pObj = pDnode,
-    .rowSize = sizeof(SDnodeObj)
+    .rowSize = sizeof(SDnodeObj),
+    .pMsg = pMsg
   };
 
   int32_t code = sdbInsertRow(&oper);
@@ -423,30 +425,32 @@ static int32_t mnodeCreateDnode(char *ep) {
     int dnodeId = pDnode->dnodeId;
     tfree(pDnode);
     mError("failed to create dnode:%d, result:%s", dnodeId, tstrerror(code));
-    return TSDB_CODE_MND_SDB_ERROR;
+  } else {
+    mPrint("dnode:%d is created, result:%s", pDnode->dnodeId, tstrerror(code));
+    if (pMsg != NULL) code = TSDB_CODE_MND_ACTION_IN_PROGRESS;
   }
 
-  mPrint("dnode:%d is created, result:%s", pDnode->dnodeId, tstrerror(code));
   return code;
 }
 
-int32_t mnodeDropDnode(SDnodeObj *pDnode) {
+int32_t mnodeDropDnode(SDnodeObj *pDnode, void *pMsg) {
   SSdbOper oper = {
     .type = SDB_OPER_GLOBAL,
     .table = tsDnodeSdb,
-    .pObj = pDnode
+    .pObj = pDnode,
+    .pMsg = pMsg
   };
 
-  int32_t code = sdbDeleteRow(&oper); 
-  if (code != TSDB_CODE_SUCCESS) {
-    code = TSDB_CODE_MND_SDB_ERROR;
+  int32_t code = sdbDeleteRow(&oper);
+  if (code == TSDB_CODE_SUCCESS) {
+    mLPrint("dnode:%d, is dropped from cluster, result:%s", pDnode->dnodeId, tstrerror(code));
+    if (pMsg != NULL) code = TSDB_CODE_MND_ACTION_IN_PROGRESS;
   }
 
-  mLPrint("dnode:%d, is dropped from cluster, result:%s", pDnode->dnodeId, tstrerror(code));
   return code;
 }
 
-static int32_t mnodeDropDnodeByEp(char *ep) {
+static int32_t mnodeDropDnodeByEp(char *ep, SMnodeMsg *pMsg) {
   SDnodeObj *pDnode = mnodeGetDnodeByEp(ep);
   if (pDnode == NULL) {
     mError("dnode:%s, is not exist", ep);
@@ -461,7 +465,7 @@ static int32_t mnodeDropDnodeByEp(char *ep) {
 
   mPrint("dnode:%d, start to drop it", pDnode->dnodeId);
 #ifndef _SYNC
-  return mnodeDropDnode(pDnode);
+  return mnodeDropDnode(pDnode, pMsg);
 #else
   return balanceDropDnode(pDnode);
 #endif
@@ -473,17 +477,7 @@ static int32_t mnodeProcessCreateDnodeMsg(SMnodeMsg *pMsg) {
   if (strcmp(pMsg->pUser->user, "root") != 0) {
     return TSDB_CODE_MND_NO_RIGHTS;
   } else {
-    int32_t code = mnodeCreateDnode(pCreate->ep);
-
-    if (code == TSDB_CODE_SUCCESS) {
-      SDnodeObj *pDnode = mnodeGetDnodeByEp(pCreate->ep);
-      mLPrint("dnode:%d, %s is created by %s", pDnode->dnodeId, pCreate->ep, pMsg->pUser->user);
-      mnodeDecDnodeRef(pDnode);
-    } else {
-      mError("failed to create dnode:%s, reason:%s", pCreate->ep, tstrerror(code));
-    }
-
-    return code;
+    return mnodeCreateDnode(pCreate->ep, pMsg);
   }
 }
 
@@ -493,15 +487,7 @@ static int32_t mnodeProcessDropDnodeMsg(SMnodeMsg *pMsg) {
   if (strcmp(pMsg->pUser->user, "root") != 0) {
     return TSDB_CODE_MND_NO_RIGHTS;
   } else {
-    int32_t code = mnodeDropDnodeByEp(pDrop->ep);
-
-    if (code == TSDB_CODE_SUCCESS) {
-      mLPrint("dnode:%s is dropped by %s", pDrop->ep, pMsg->pUser->user);
-    } else {
-      mError("failed to drop dnode:%s, reason:%s", pDrop->ep, tstrerror(code));
-    }
-
-    return code;
+    return mnodeDropDnodeByEp(pDrop->ep, pMsg);
   }
 }
 

src/mnode/src/mnodeSdb.c

@@ -24,6 +24,7 @@
 #include "tsync.h"
 #include "tglobal.h"
 #include "dnode.h"
+#include "mnode.h"
 #include "mnodeDef.h"
 #include "mnodeInt.h"
 #include "mnodeMnode.h"
@@ -31,6 +32,7 @@
 #include "mnodeSdb.h"
 
 #define SDB_TABLE_LEN 12
+#define SDB_SYNC_HACK 16
 
 typedef enum {
   SDB_ACTION_INSERT,
@@ -83,8 +85,29 @@ typedef struct {
   void *  row;
 } SSdbRow;
 
+typedef struct {
+  pthread_t thread;
+  int32_t   workerId;
+} SSdbWriteWorker;
+
+typedef struct {
+  int32_t num;
+  SSdbWriteWorker *writeWorker;
+} SSdbWriteWorkerPool;
+
 static SSdbObject tsSdbObj = {0};
-static int sdbWrite(void *param, void *data, int type);
+static taos_qset  tsSdbWriteQset;
+static taos_qall  tsSdbWriteQall;
+static taos_queue tsSdbWriteQueue;
+static SSdbWriteWorkerPool tsSdbPool;
+
+static int     sdbWrite(void *param, void *data, int type);
+static int     sdbWriteToQueue(void *param, void *data, int type);
+static void *  sdbWorkerFp(void *param);
+static int32_t sdbInitWriteWorker();
+static void    sdbCleanupWriteWorker();
+static int32_t sdbAllocWriteQueue();
+static void    sdbFreeWritequeue();
 
 int32_t sdbGetId(void *handle) {
   return ((SSdbTable *)handle)->autoIndex;
@@ -302,7 +325,7 @@ void sdbUpdateSync() {
   syncInfo.ahandle = NULL;
   syncInfo.getWalInfo = sdbGetWalInfo;
   syncInfo.getFileInfo = sdbGetFileInfo;
-  syncInfo.writeToCache = sdbWrite;
+  syncInfo.writeToCache = sdbWriteToQueue;
   syncInfo.confirmForward = sdbConfirmForward; 
   syncInfo.notifyRole = sdbNotifyRole;
   tsSdbObj.cfg = syncCfg;
@@ -319,10 +342,14 @@ int32_t sdbInit() {
   pthread_mutex_init(&tsSdbObj.mutex, NULL);
   sem_init(&tsSdbObj.sem, 0, 0);
 
+  if (sdbInitWriteWorker() != 0) {
+    return -1;
+  }
+
   if (sdbInitWal() != 0) {
     return -1;
   }
-  
+
   sdbRestoreTables();
 
   if (mnodeGetMnodesNum() == 1) {
@@ -340,6 +367,8 @@ void sdbCleanUp() {
 
   tsSdbObj.status = SDB_STATUS_CLOSING;
   
+  sdbCleanupWriteWorker();
+
   if (tsSdbObj.sync) {
     syncStop(tsSdbObj.sync);
     tsSdbObj.sync = NULL;
@@ -475,7 +504,7 @@ static int32_t sdbDeleteHash(SSdbTable *pTable, SSdbOper *pOper) {
   pTable->numOfRows--;
   pthread_mutex_unlock(&pTable->mutex);
 
-  sdbTrace("table:%s, delete record:%s from hash, numOfRows:%" PRId64 "version:%" PRIu64, pTable->tableName,
+  sdbTrace("table:%s, delete record:%s from hash, numOfRows:%" PRId64 " version:%" PRIu64, pTable->tableName,
            sdbGetKeyStrFromObj(pTable, pOper->pObj), pTable->numOfRows, sdbGetVersion());
 
   int8_t *updateEnd = pOper->pObj + pTable->refCountPos - 1;
@@ -494,9 +523,10 @@ static int32_t sdbUpdateHash(SSdbTable *pTable, SSdbOper *pOper) {
 }
 
 static int sdbWrite(void *param, void *data, int type) {
+  SSdbOper *pOper = param;
   SWalHead *pHead = data;
-  int32_t   tableId = pHead->msgType / 10;
-  int32_t   action = pHead->msgType % 10;
+  int32_t tableId = pHead->msgType / 10;
+  int32_t action = pHead->msgType % 10;
 
   SSdbTable *pTable = sdbGetTableFromId(tableId);
   assert(pTable != NULL);
@@ -531,21 +561,22 @@ static int sdbWrite(void *param, void *data, int type) {
     pthread_mutex_unlock(&tsSdbObj.mutex);
     return code;
   }
-  walFsync(tsSdbObj.wal);
-
+  
   code = sdbForwardToPeer(pHead);
   pthread_mutex_unlock(&tsSdbObj.mutex);
 
   // from app, oper is created
-  if (param != NULL) {
-    //sdbTrace("request from app is disposed, version:%" PRIu64 " code:%s", pHead->version, tstrerror(code));
+  if (pOper != NULL) {
+    sdbTrace("record from app is disposed, version:%" PRIu64 " result:%s", pHead->version, tstrerror(code));
     return code;
   }
   
   // from wal or forward msg, oper not created, should add into hash
   if (tsSdbObj.sync != NULL) {
-    sdbTrace("forward request is received, version:%" PRIu64 " result:%s, confirm it", pHead->version, tstrerror(code));
+    sdbTrace("record from wal forward is disposed, version:%" PRIu64 " confirm it", pHead->version);
     syncConfirmForward(tsSdbObj.sync, pHead->version, code);
+  } else {
+    sdbTrace("record from wal restore is disposed, version:%" PRIu64 , pHead->version);
   }
 
   if (action == SDB_ACTION_INSERT) {
@@ -568,7 +599,7 @@ static int sdbWrite(void *param, void *data, int type) {
 
 int32_t sdbInsertRow(SSdbOper *pOper) {
   SSdbTable *pTable = (SSdbTable *)pOper->table;
-  if (pTable == NULL) return -1;
+  if (pTable == NULL) return TSDB_CODE_MND_SDB_INVALID_TABLE_TYPE;
 
   if (sdbGetRowFromObj(pTable, pOper->pObj)) {
     sdbError("table:%s, failed to insert record:%s, already exist", pTable->tableName, sdbGetKeyStrFromObj(pTable, pOper->pObj));
@@ -587,98 +618,146 @@ int32_t sdbInsertRow(SSdbOper *pOper) {
     pthread_mutex_unlock(&pTable->mutex);
   }
 
-  if (pOper->type == SDB_OPER_GLOBAL) {
-    int32_t   size = sizeof(SWalHead) + pTable->maxRowSize;
-    SWalHead *pHead = taosAllocateQitem(size);
-    pHead->version = 0;
-    pHead->len = pOper->rowSize;
-    pHead->msgType = pTable->tableId * 10 + SDB_ACTION_INSERT;
+  int32_t code = sdbInsertHash(pTable, pOper);
+  if (code != TSDB_CODE_SUCCESS) {
+    sdbError("table:%s, failed to insert into hash", pTable->tableName);
+    return code;
+  }
+
+  // just insert data into memory
+  if (pOper->type != SDB_OPER_GLOBAL) {
+    return TSDB_CODE_SUCCESS;
+  }
 
-    pOper->rowData = pHead->cont;
-    (*pTable->encodeFp)(pOper);
-    pHead->len = pOper->rowSize;
+  int32_t size = sizeof(SSdbOper) + sizeof(SWalHead) + pTable->maxRowSize + SDB_SYNC_HACK;
+  SSdbOper *pNewOper = taosAllocateQitem(size);
+  
+  SWalHead *pHead = (void *)pNewOper + sizeof(SSdbOper) + SDB_SYNC_HACK;
+  pHead->version = 0;
+  pHead->len = pOper->rowSize;
+  pHead->msgType = pTable->tableId * 10 + SDB_ACTION_INSERT;
 
-    int32_t code = sdbWrite(pOper, pHead, pHead->msgType);
-    taosFreeQitem(pHead);
-    if (code < 0) return code;
+  pOper->rowData = pHead->cont;
+  (*pTable->encodeFp)(pOper);
+  pHead->len = pOper->rowSize;
+
+  memcpy(pNewOper, pOper, sizeof(SSdbOper));
+
+  if (pNewOper->pMsg != NULL) {
+    sdbTrace("app:%p:%p, insert action is add to sdb queue", pNewOper->pMsg->rpcMsg.ahandle, pNewOper->pMsg);
   }
 
-  return sdbInsertHash(pTable, pOper);
+  taosWriteQitem(tsSdbWriteQueue, TAOS_QTYPE_RPC, pNewOper);
+  return TSDB_CODE_SUCCESS;
 }
 
 int32_t sdbDeleteRow(SSdbOper *pOper) {
   SSdbTable *pTable = (SSdbTable *)pOper->table;
-  if (pTable == NULL) return -1;
+  if (pTable == NULL) return TSDB_CODE_MND_SDB_INVALID_TABLE_TYPE;
 
   SSdbRow *pMeta = sdbGetRowMetaFromObj(pTable, pOper->pObj);
   if (pMeta == NULL) {
     sdbTrace("table:%s, record is not there, delete failed", pTable->tableName);
-    return -1;
+    return TSDB_CODE_MND_SDB_OBJ_NOT_THERE;
   }
 
-  void * pMetaRow = pMeta->row;
-  assert(pMetaRow != NULL);
-
-  if (pOper->type == SDB_OPER_GLOBAL) {
-    void *  key = sdbGetObjKey(pTable, pOper->pObj);
-    int32_t keySize = 0;
-    switch (pTable->keyType) {
-      case SDB_KEY_STRING:
-      case SDB_KEY_VAR_STRING:
-        keySize = strlen((char *)key) + 1;
-        break;
-      case SDB_KEY_INT:
-      case SDB_KEY_AUTO:
-        keySize = sizeof(uint32_t);
-        break;
-      default:
-        return -1;
-    }
+  void *pMetaRow = pMeta->row;
+  if (pMetaRow == NULL) {
+    sdbError("table:%s, record meta is null", pTable->tableName);
+    return TSDB_CODE_MND_SDB_INVAID_META_ROW;
+  }
+
+  int32_t code = sdbDeleteHash(pTable, pOper);
+  if (code != TSDB_CODE_SUCCESS) {
+    sdbError("table:%s, failed to delete from hash", pTable->tableName);
+    return code;
+  }
 
-    int32_t   size = sizeof(SWalHead) + keySize;
-    SWalHead *pHead = taosAllocateQitem(size);
-    pHead->version = 0;
-    pHead->len = keySize;
-    pHead->msgType = pTable->tableId * 10 + SDB_ACTION_DELETE;
-    memcpy(pHead->cont, key, keySize);
+  // just delete data from memory
+  if (pOper->type != SDB_OPER_GLOBAL) {
+    return TSDB_CODE_SUCCESS;
+  }
 
-    int32_t code = sdbWrite(pOper, pHead, pHead->msgType);
-    taosFreeQitem(pHead);
-    if (code < 0) return code;
+  void *  key = sdbGetObjKey(pTable, pOper->pObj);
+  int32_t keySize = 0;
+  switch (pTable->keyType) {
+    case SDB_KEY_STRING:
+    case SDB_KEY_VAR_STRING:
+      keySize = strlen((char *)key) + 1;
+      break;
+    case SDB_KEY_INT:
+    case SDB_KEY_AUTO:
+      keySize = sizeof(uint32_t);
+      break;
+    default:
+      return TSDB_CODE_MND_SDB_INVAID_KEY_TYPE;
   }
 
-  return sdbDeleteHash(pTable, pOper);
+  int32_t size = sizeof(SSdbOper) + sizeof(SWalHead) + keySize + SDB_SYNC_HACK;
+  SSdbOper *pNewOper = taosAllocateQitem(size);
+
+  SWalHead *pHead = (void *)pNewOper + sizeof(SSdbOper) + SDB_SYNC_HACK;
+  pHead->version = 0;
+  pHead->len = keySize;
+  pHead->msgType = pTable->tableId * 10 + SDB_ACTION_DELETE;
+  memcpy(pHead->cont, key, keySize);
+
+  memcpy(pNewOper, pOper, sizeof(SSdbOper));
+
+  if (pNewOper->pMsg != NULL) {
+    sdbTrace("app:%p:%p, delete action is add to sdb queue", pNewOper->pMsg->rpcMsg.ahandle, pNewOper->pMsg);
+  }
+
+  taosWriteQitem(tsSdbWriteQueue, TAOS_QTYPE_RPC, pNewOper);
+  return TSDB_CODE_SUCCESS;
 }
 
 int32_t sdbUpdateRow(SSdbOper *pOper) {
   SSdbTable *pTable = (SSdbTable *)pOper->table;
-  if (pTable == NULL) return -1;
+  if (pTable == NULL) return TSDB_CODE_MND_SDB_INVALID_TABLE_TYPE;
 
   SSdbRow *pMeta = sdbGetRowMetaFromObj(pTable, pOper->pObj);
   if (pMeta == NULL) {
-    sdbTrace("table:%s, record is not there, delete failed", pTable->tableName);
-    return -1;
+    sdbTrace("table:%s, record is not there, update failed", pTable->tableName);
+    return TSDB_CODE_MND_SDB_OBJ_NOT_THERE;
   }
 
-  void * pMetaRow = pMeta->row;
-  assert(pMetaRow != NULL);
+  void *pMetaRow = pMeta->row;
+  if (pMetaRow == NULL) {
+    sdbError("table:%s, record meta is null", pTable->tableName);
+    return TSDB_CODE_MND_SDB_INVAID_META_ROW;
+  }
 
-  if (pOper->type == SDB_OPER_GLOBAL) {
-    int32_t   size = sizeof(SWalHead) + pTable->maxRowSize;
-    SWalHead *pHead = taosAllocateQitem(size);
-    pHead->version = 0;
-    pHead->msgType = pTable->tableId * 10 + SDB_ACTION_UPDATE;
+  int32_t code = sdbUpdateHash(pTable, pOper);
+  if (code != TSDB_CODE_SUCCESS) {
+    sdbError("table:%s, failed to update hash", pTable->tableName);
+    return code;
+  }
 
-    pOper->rowData = pHead->cont;
-    (*pTable->encodeFp)(pOper);
-    pHead->len = pOper->rowSize;
+  // just update data in memory
+  if (pOper->type != SDB_OPER_GLOBAL) {
+    return TSDB_CODE_SUCCESS;
+  }
 
-    int32_t code = sdbWrite(pOper, pHead, pHead->msgType);
-    taosFreeQitem(pHead);
-    if (code < 0) return code;
-  } 
-  
-  return sdbUpdateHash(pTable, pOper);
+  int32_t size = sizeof(SSdbOper) + sizeof(SWalHead) + pTable->maxRowSize + SDB_SYNC_HACK;
+  SSdbOper *pNewOper = taosAllocateQitem(size);
+
+  SWalHead *pHead = (void *)pNewOper + sizeof(SSdbOper) + SDB_SYNC_HACK;
+  pHead->version = 0;
+  pHead->msgType = pTable->tableId * 10 + SDB_ACTION_UPDATE;
+
+  pOper->rowData = pHead->cont;
+  (*pTable->encodeFp)(pOper);
+  pHead->len = pOper->rowSize;
+
+  memcpy(pNewOper, pOper, sizeof(SSdbOper));
+
+  if (pNewOper->pMsg != NULL) {
+    sdbTrace("app:%p:%p, update action is add to sdb queue", pNewOper->pMsg->rpcMsg.ahandle, pNewOper->pMsg);
+  }
+
+  taosWriteQitem(tsSdbWriteQueue, TAOS_QTYPE_RPC, pNewOper);
+  return TSDB_CODE_SUCCESS;
 }
 
 void *sdbFetchRow(void *handle, void *pNode, void **ppRow) {
@@ -775,3 +854,158 @@ void sdbCloseTable(void *handle) {
   free(pTable);
 }
 
+int32_t sdbInitWriteWorker() {
+  tsSdbPool.num = 1;
+  tsSdbPool.writeWorker = (SSdbWriteWorker *)calloc(sizeof(SSdbWriteWorker), tsSdbPool.num);
+
+  if (tsSdbPool.writeWorker == NULL) return -1;
+  for (int32_t i = 0; i < tsSdbPool.num; ++i) {
+    SSdbWriteWorker *pWorker = tsSdbPool.writeWorker + i;
+    pWorker->workerId = i;
+  }
+
+  sdbAllocWriteQueue();
+  
+  mPrint("sdb write is opened");
+  return 0;
+}
+
+void sdbCleanupWriteWorker() {
+  for (int32_t i = 0; i < tsSdbPool.num; ++i) {
+    SSdbWriteWorker *pWorker = tsSdbPool.writeWorker + i;
+    if (pWorker->thread) {
+      taosQsetThreadResume(tsSdbWriteQset);
+    }
+  }
+
+  for (int32_t i = 0; i < tsSdbPool.num; ++i) {
+    SSdbWriteWorker *pWorker = tsSdbPool.writeWorker + i;
+    if (pWorker->thread) {
+      pthread_join(pWorker->thread, NULL);
+    }
+  }
+
+  sdbFreeWritequeue();
+
+  mPrint("sdb write is closed");
+}
+
+int32_t sdbAllocWriteQueue() {
+  tsSdbWriteQueue = taosOpenQueue();
+  if (tsSdbWriteQueue == NULL) return TSDB_CODE_MND_OUT_OF_MEMORY;
+
+  tsSdbWriteQset = taosOpenQset();
+  if (tsSdbWriteQset == NULL) {
+    taosCloseQueue(tsSdbWriteQueue);
+    return TSDB_CODE_MND_OUT_OF_MEMORY;
+  }
+  taosAddIntoQset(tsSdbWriteQset, tsSdbWriteQueue, NULL);
+
+  tsSdbWriteQall = taosAllocateQall();
+  if (tsSdbWriteQall == NULL) {
+    taosCloseQset(tsSdbWriteQset);
+    taosCloseQueue(tsSdbWriteQueue);
+    return TSDB_CODE_MND_OUT_OF_MEMORY;
+  }
+  
+  for (int32_t i = 0; i < tsSdbPool.num; ++i) {
+    SSdbWriteWorker *pWorker = tsSdbPool.writeWorker + i;
+    pWorker->workerId = i;
+
+    pthread_attr_t thAttr;
+    pthread_attr_init(&thAttr);
+    pthread_attr_setdetachstate(&thAttr, PTHREAD_CREATE_JOINABLE);
+
+    if (pthread_create(&pWorker->thread, &thAttr, sdbWorkerFp, pWorker) != 0) {
+      mError("failed to create thread to process sdb write queue, reason:%s", strerror(errno));
+      taosFreeQall(tsSdbWriteQall);
+      taosCloseQset(tsSdbWriteQset);
+      taosCloseQueue(tsSdbWriteQueue);
+      return TSDB_CODE_MND_OUT_OF_MEMORY;
+    }
+
+    pthread_attr_destroy(&thAttr);
+    mTrace("sdb write worker:%d is launched, total:%d", pWorker->workerId, tsSdbPool.num);
+  }
+
+  mTrace("sdb write queue:%p is allocated", tsSdbWriteQueue);
+  return TSDB_CODE_SUCCESS;
+}
+
+void sdbFreeWritequeue() {
+  taosCloseQset(tsSdbWriteQueue);
+  taosFreeQall(tsSdbWriteQall);
+  taosCloseQset(tsSdbWriteQset);
+  tsSdbWriteQall = NULL;
+  tsSdbWriteQset = NULL;
+  tsSdbWriteQueue = NULL;
+}
+
+int sdbWriteToQueue(void *param, void *data, int type) {
+  SWalHead *pHead = data;
+  int size = sizeof(SWalHead) + pHead->len;
+  SWalHead *pWal = (SWalHead *)taosAllocateQitem(size);
+  memcpy(pWal, pHead, size);
+
+  taosWriteQitem(tsSdbWriteQueue, type, pWal);
+  return 0;
+}
+
+static void *sdbWorkerFp(void *param) {
+  SWalHead *pHead;
+  SSdbOper *pOper;
+  int32_t   type;
+  int32_t   numOfMsgs;
+  void *    item;
+  void *    unUsed;
+
+  while (1) {
+    numOfMsgs = taosReadAllQitemsFromQset(tsSdbWriteQset, tsSdbWriteQall, &unUsed);
+    if (numOfMsgs == 0) {
+      sdbTrace("sdbWorkerFp: got no message from qset, exiting...");
+      break;
+    }
+
+    for (int32_t i = 0; i < numOfMsgs; ++i) {
+      taosGetQitem(tsSdbWriteQall, &type, &item);
+      if (type == TAOS_QTYPE_RPC) {
+        pOper = (SSdbOper *)item;
+        pHead = (void *)pOper + sizeof(SSdbOper) + SDB_SYNC_HACK;
+      } else {
+        pHead = (SWalHead *)item;
+        pOper = NULL;
+      }
+
+      if (pOper != NULL && pOper->pMsg != NULL) {
+        sdbTrace("app:%p:%p, will be processed in sdb queue", pOper->pMsg->rpcMsg.ahandle, pOper->pMsg);
+      }
+
+      int32_t code = sdbWrite(pOper, pHead, type);
+      if (pOper) pOper->retCode = code;
+    }
+
+    walFsync(tsSdbObj.wal);
+
+    // browse all items, and process them one by one
+    taosResetQitems(tsSdbWriteQall);
+    for (int32_t i = 0; i < numOfMsgs; ++i) {
+      taosGetQitem(tsSdbWriteQall, &type, &item);
+      if (type == TAOS_QTYPE_RPC) {
+        pOper = (SSdbOper *)item;
+        if (pOper != NULL && pOper->cb != NULL) {
+          pOper->retCode = (*pOper->cb)(pOper->pMsg, pOper->retCode);
+        }
+          
+        if (pOper != NULL && pOper->pMsg != NULL) {
+          sdbTrace("app:%p:%p, msg is processed, result:%s", pOper->pMsg->rpcMsg.ahandle, pOper->pMsg,
+                   tstrerror(pOper->retCode));
+        }
+
+        dnodeSendRpcMnodeWriteRsp(pOper->pMsg, pOper->retCode);
+      }
+      taosFreeQitem(item);
+    }
+  }
+
+  return NULL;
+}

src/mnode/src/mnodeUser.c

@@ -102,11 +102,13 @@ static int32_t mnodeUserActionDecode(SSdbOper *pOper) {
 }
 
 static int32_t mnodeUserActionRestored() {
-  if (dnodeIsFirstDeploy()) {
+  int32_t numOfRows = sdbGetNumOfRows(tsUserSdb);
+  if (numOfRows <= 0 && dnodeIsFirstDeploy()) {
+    mPrint("dnode first deploy, create root user");
     SAcctObj *pAcct = mnodeGetAcct("root");
-    mnodeCreateUser(pAcct, "root", "taosdata");
-    mnodeCreateUser(pAcct, "monitor", tsInternalPass);
-    mnodeCreateUser(pAcct, "_root", tsInternalPass);
+    mnodeCreateUser(pAcct, "root", "taosdata", NULL);
+    mnodeCreateUser(pAcct, "monitor", tsInternalPass, NULL);
+    mnodeCreateUser(pAcct, "_root", tsInternalPass, NULL);
     mnodeDecAcctRef(pAcct);
   }
 
@@ -170,22 +172,24 @@ void mnodeDecUserRef(SUserObj *pUser) {
   return sdbDecRef(tsUserSdb, pUser); 
 }
 
-static int32_t mnodeUpdateUser(SUserObj *pUser) {
+static int32_t mnodeUpdateUser(SUserObj *pUser, void *pMsg) {
   SSdbOper oper = {
-    .type = SDB_OPER_GLOBAL,
+    .type  = SDB_OPER_GLOBAL,
     .table = tsUserSdb,
-    .pObj = pUser
+    .pObj  = pUser,
+    .pMsg  = pMsg
   };
 
   int32_t code = sdbUpdateRow(&oper);
-  if (code != TSDB_CODE_SUCCESS) {
-    code = TSDB_CODE_MND_SDB_ERROR;
+  if (code == TSDB_CODE_SUCCESS) {
+    mLPrint("user:%s, is altered by %s", pUser->user, mnodeGetUserFromMsg(pMsg));
+    if (pMsg != NULL) code = TSDB_CODE_MND_ACTION_IN_PROGRESS;
   }
 
   return code;
 }
 
-int32_t mnodeCreateUser(SAcctObj *pAcct, char *name, char *pass) {
+int32_t mnodeCreateUser(SAcctObj *pAcct, char *name, char *pass, void *pMsg) {
   int32_t code = acctCheck(pAcct, ACCT_GRANT_USER);
   if (code != TSDB_CODE_SUCCESS) {
     return code;
@@ -223,31 +227,36 @@ int32_t mnodeCreateUser(SAcctObj *pAcct, char *name, char *pass) {
   }
 
   SSdbOper oper = {
-    .type = SDB_OPER_GLOBAL,
-    .table = tsUserSdb,
-    .pObj = pUser,
-    .rowSize = sizeof(SUserObj)
+    .type    = SDB_OPER_GLOBAL,
+    .table   = tsUserSdb,
+    .pObj    = pUser,
+    .rowSize = sizeof(SUserObj),
+    .pMsg    = pMsg
   };
 
   code = sdbInsertRow(&oper);
   if (code != TSDB_CODE_SUCCESS) {
     tfree(pUser);
-    code = TSDB_CODE_MND_SDB_ERROR;
+  } else {
+    mLPrint("user:%s, is created by %s", pUser->user, mnodeGetUserFromMsg(pMsg));
+    if (pMsg != NULL) code = TSDB_CODE_MND_ACTION_IN_PROGRESS;
   }
 
   return code;
 }
 
-static int32_t mnodeDropUser(SUserObj *pUser) {
+static int32_t mnodeDropUser(SUserObj *pUser, void *pMsg) {
   SSdbOper oper = {
-    .type = SDB_OPER_GLOBAL,
+    .type  = SDB_OPER_GLOBAL,
     .table = tsUserSdb,
-    .pObj = pUser
+    .pObj  = pUser,
+    .pMsg  = pMsg
   };
 
   int32_t code = sdbDeleteRow(&oper);
-  if (code != TSDB_CODE_SUCCESS) {
-    code = TSDB_CODE_MND_SDB_ERROR;
+  if (code == TSDB_CODE_SUCCESS) {
+    mLPrint("user:%s, is dropped by %s", pUser->user, mnodeGetUserFromMsg(pMsg));
+    if (pMsg != NULL) code = TSDB_CODE_MND_ACTION_IN_PROGRESS;
   }
 
   return code;
@@ -357,22 +366,25 @@ SUserObj *mnodeGetUserFromConn(void *pConn) {
   }
 }
 
+char *mnodeGetUserFromMsg(void *pMsg) {
+  SMnodeMsg *pMnodeMsg = pMsg;
+  if (pMnodeMsg != NULL &&pMnodeMsg->pUser != NULL) {
+    return pMnodeMsg->pUser->user;
+  } else {
+    return "system";
+  }
+}
+
 static int32_t mnodeProcessCreateUserMsg(SMnodeMsg *pMsg) {
-  int32_t code;
   SUserObj *pOperUser = pMsg->pUser;
   
   if (pOperUser->superAuth) {
     SCMCreateUserMsg *pCreate = pMsg->rpcMsg.pCont;
-    code = mnodeCreateUser(pOperUser->pAcct, pCreate->user, pCreate->pass);
-    if (code == TSDB_CODE_SUCCESS) {
-      mLPrint("user:%s, is created by %s", pCreate->user, pOperUser->user);
-    }
+    return mnodeCreateUser(pOperUser->pAcct, pCreate->user, pCreate->pass, pMsg);
   } else {
     mError("user:%s, no rights to create user", pOperUser->user);
-    code = TSDB_CODE_MND_NO_RIGHTS;
+    return TSDB_CODE_MND_NO_RIGHTS;
   }
-
-  return code;
 }
 
 static int32_t mnodeProcessAlterUserMsg(SMnodeMsg *pMsg) {
@@ -409,8 +421,7 @@ static int32_t mnodeProcessAlterUserMsg(SMnodeMsg *pMsg) {
     if (hasRight) {
       memset(pUser->pass, 0, sizeof(pUser->pass));
       taosEncryptPass((uint8_t*)pAlter->pass, strlen(pAlter->pass), pUser->pass);
-      code = mnodeUpdateUser(pUser);
-      mLPrint("user:%s, password is altered by %s, result:%s", pUser->user, pOperUser->user, tstrerror(code));
+      code = mnodeUpdateUser(pUser, pMsg);
     } else {
       mError("user:%s, no rights to alter user", pOperUser->user);
       code = TSDB_CODE_MND_NO_RIGHTS;
@@ -450,8 +461,7 @@ static int32_t mnodeProcessAlterUserMsg(SMnodeMsg *pMsg) {
         pUser->writeAuth = 1;
       }
 
-      code = mnodeUpdateUser(pUser);
-      mLPrint("user:%s, privilege is altered by %s, result:%s", pUser->user, pOperUser->user, tstrerror(code));
+      code = mnodeUpdateUser(pUser, pMsg);
     } else {
       mError("user:%s, no rights to alter user", pOperUser->user);
       code = TSDB_CODE_MND_NO_RIGHTS;
@@ -497,10 +507,7 @@ static int32_t mnodeProcessDropUserMsg(SMnodeMsg *pMsg) {
   }
 
   if (hasRight) {
-    code = mnodeDropUser(pUser);
-    if (code == TSDB_CODE_SUCCESS) {
-      mLPrint("user:%s, is dropped by %s, result:%s", pUser->user, pOperUser->user, tstrerror(code));
-    }
+    code = mnodeDropUser(pUser, pMsg);
   } else {
     code = TSDB_CODE_MND_NO_RIGHTS;
   }

src/mnode/src/mnodeVgroup.c

@@ -149,7 +149,7 @@ static int32_t mnodeVgroupActionUpdate(SSdbOper *pOper) {
       }
     }
 
-    memcpy(pVgroup, pNew, pOper->rowSize);
+    memcpy(pVgroup, pNew, sizeof(SVgObj));
     free(pNew);
 
     for (int32_t i = 0; i < pVgroup->numOfVnodes; ++i) {
@@ -299,6 +299,27 @@ void *mnodeGetNextVgroup(void *pIter, SVgObj **pVgroup) {
   return sdbFetchRow(tsVgroupSdb, pIter, (void **)pVgroup); 
 }
 
+static int32_t mnodeCreateVgroupCb(SMnodeMsg *pMsg, int32_t code) {
+  if (code != TSDB_CODE_SUCCESS) {
+    pMsg->pVgroup = NULL;
+    return code;
+  }
+
+  SVgObj *pVgroup = pMsg->pVgroup;
+  SDbObj *pDb = pMsg->pDb;
+
+  mPrint("vgId:%d, is created in mnode, db:%s replica:%d", pVgroup->vgId, pDb->name, pVgroup->numOfVnodes);
+  for (int32_t i = 0; i < pVgroup->numOfVnodes; ++i) {
+    mPrint("vgId:%d, index:%d, dnode:%d", pVgroup->vgId, i, pVgroup->vnodeGid[i].dnodeId);
+  }
+
+  mnodeIncVgroupRef(pVgroup);
+  pMsg->expected = pVgroup->numOfVnodes;
+  mnodeSendCreateVgroupMsg(pVgroup, pMsg);
+
+  return TSDB_CODE_MND_ACTION_IN_PROGRESS;
+}
+
 int32_t mnodeCreateVgroup(SMnodeMsg *pMsg, SDbObj *pDb) {
   SVgObj *pVgroup = (SVgObj *)calloc(1, sizeof(SVgObj));
   strcpy(pVgroup->dbName, pDb->name);
@@ -314,26 +335,22 @@ int32_t mnodeCreateVgroup(SMnodeMsg *pMsg, SDbObj *pDb) {
     .type = SDB_OPER_GLOBAL,
     .table = tsVgroupSdb,
     .pObj = pVgroup,
-    .rowSize = sizeof(SVgObj)
+    .rowSize = sizeof(SVgObj),
+    .pMsg = pMsg,
+    .cb = mnodeCreateVgroupCb
   };
 
+  pMsg->pVgroup = pVgroup;
+
   int32_t code = sdbInsertRow(&oper);
   if (code != TSDB_CODE_SUCCESS) {
+    pMsg->pVgroup = NULL;
     tfree(pVgroup);
-    return TSDB_CODE_MND_SDB_ERROR;
-  }
-
-  mPrint("vgId:%d, is created in mnode, db:%s replica:%d", pVgroup->vgId, pDb->name, pVgroup->numOfVnodes);
-  for (int32_t i = 0; i < pVgroup->numOfVnodes; ++i) {
-    mPrint("vgId:%d, index:%d, dnode:%d", pVgroup->vgId, i, pVgroup->vnodeGid[i].dnodeId);
+  } else {
+    if (pMsg != NULL) code = TSDB_CODE_MND_ACTION_IN_PROGRESS;
   }
 
-  mnodeIncVgroupRef(pVgroup);
-  pMsg->pVgroup = pVgroup;
-  pMsg->expected = pVgroup->numOfVnodes;
-  mnodeSendCreateVgroupMsg(pVgroup, pMsg);
-
-  return TSDB_CODE_MND_ACTION_IN_PROGRESS;
+  return code;
 }
 
 void mnodeDropVgroup(SVgObj *pVgroup, void *ahandle) {
@@ -596,7 +613,6 @@ SRpcIpSet mnodeGetIpSetFromIp(char *ep) {
 }
 
 void mnodeSendCreateVnodeMsg(SVgObj *pVgroup, SRpcIpSet *ipSet, void *ahandle) {
-  mTrace("vgId:%d, send create vnode:%d msg, ahandle:%p db:%s", pVgroup->vgId, pVgroup->vgId, ahandle, pVgroup->dbName);
   SMDCreateVnodeMsg *pCreate = mnodeBuildCreateVnodeMsg(pVgroup);
   SRpcMsg rpcMsg = {
     .handle  = ahandle,
@@ -609,9 +625,12 @@ void mnodeSendCreateVnodeMsg(SVgObj *pVgroup, SRpcIpSet *ipSet, void *ahandle) {
 }
 
 void mnodeSendCreateVgroupMsg(SVgObj *pVgroup, void *ahandle) {
-  mTrace("vgId:%d, send create all vnodes msg, ahandle:%p", pVgroup->vgId, ahandle);
+  mTrace("vgId:%d, send create all vnodes msg, numOfVnodes:%d db:%s", pVgroup->vgId, pVgroup->numOfVnodes,
+         pVgroup->dbName);
   for (int32_t i = 0; i < pVgroup->numOfVnodes; ++i) {
     SRpcIpSet ipSet = mnodeGetIpSetFromIp(pVgroup->vnodeGid[i].pDnode->dnodeEp);
+    mTrace("vgId:%d, index:%d, send create vnode msg to dnode %s, ahandle:%p", pVgroup->vgId,
+           i, pVgroup->vnodeGid[i].pDnode->dnodeEp, ahandle);
     mnodeSendCreateVnodeMsg(pVgroup, &ipSet, ahandle);
   }
 }
@@ -729,6 +748,7 @@ static int32_t mnodeProcessVnodeCfgMsg(SMnodeMsg *pMsg) {
   }
   mnodeDecVgroupRef(pVgroup);
 
+  mTrace("vgId:%d, send create vnode msg to dnode %s for vnode cfg msg", pVgroup->vgId, pDnode->dnodeEp);
   SRpcIpSet ipSet = mnodeGetIpSetFromIp(pDnode->dnodeEp);
   mnodeSendCreateVnodeMsg(pVgroup, &ipSet, NULL);
 

src/mnode/src/mnodeWrite.c

@@ -43,7 +43,7 @@ void mnodeAddWriteMsgHandle(uint8_t msgType, int32_t (*fp)(SMnodeMsg *mnodeMsg))
 
 int32_t mnodeProcessWrite(SMnodeMsg *pMsg) {
   if (pMsg->rpcMsg.pCont == NULL) {
-    mError("%p, msg:%s  in mwrite queue, content is null", pMsg->rpcMsg.ahandle, taosMsg[pMsg->rpcMsg.msgType]);
+    mError("app:%p:%p, msg:%s content is null", pMsg->rpcMsg.ahandle, pMsg, taosMsg[pMsg->rpcMsg.msgType]);
     return TSDB_CODE_MND_INVALID_MSG_LEN;
   }
 
@@ -54,27 +54,31 @@ int32_t mnodeProcessWrite(SMnodeMsg *pMsg) {
     rpcRsp->rsp = ipSet;
     rpcRsp->len = sizeof(SRpcIpSet);
 
-    mTrace("%p, msg:%s in mwrite queue, will be redireced inUse:%d", pMsg->rpcMsg.ahandle, taosMsg[pMsg->rpcMsg.msgType], ipSet->inUse);
+    mTrace("app:%p:%p, msg:%s will be redireced inUse:%d", pMsg->rpcMsg.ahandle, pMsg, taosMsg[pMsg->rpcMsg.msgType],
+           ipSet->inUse);
     for (int32_t i = 0; i < ipSet->numOfIps; ++i) {
-      mTrace("mnode index:%d ip:%s:%d", i, ipSet->fqdn[i], htons(ipSet->port[i]));
+      mTrace("app:%p:%p, mnode index:%d ip:%s:%d", pMsg->rpcMsg.ahandle, pMsg, i, ipSet->fqdn[i],
+             htons(ipSet->port[i]));
     }
 
     return TSDB_CODE_RPC_REDIRECT;
   }
 
   if (tsMnodeProcessWriteMsgFp[pMsg->rpcMsg.msgType] == NULL) {
-    mError("%p, msg:%s in mwrite queue, not processed", pMsg->rpcMsg.ahandle, taosMsg[pMsg->rpcMsg.msgType]);
+    mError("app:%p:%p, msg:%s not processed", pMsg->rpcMsg.ahandle, pMsg, taosMsg[pMsg->rpcMsg.msgType]);
     return TSDB_CODE_MND_MSG_NOT_PROCESSED;
   }
 
   int32_t code = mnodeInitMsg(pMsg);
   if (code != TSDB_CODE_SUCCESS) {
-    mError("%p, msg:%s in mwrite queue, not processed reason:%s", pMsg->rpcMsg.ahandle, taosMsg[pMsg->rpcMsg.msgType], tstrerror(code));
+    mError("app:%p:%p, msg:%s not processed, reason:%s", pMsg->rpcMsg.ahandle, pMsg, taosMsg[pMsg->rpcMsg.msgType],
+           tstrerror(code));
     return code;
   }
 
   if (!pMsg->pUser->writeAuth) {
-    mError("%p, msg:%s  in mwrite queue, not processed, no write auth", pMsg->rpcMsg.ahandle, taosMsg[pMsg->rpcMsg.msgType]);
+    mError("app:%p:%p, msg:%s not processed, no write auth", pMsg->rpcMsg.ahandle, pMsg,
+           taosMsg[pMsg->rpcMsg.msgType]);
     return TSDB_CODE_MND_NO_RIGHTS;
   }
 

src/query/src/qExecutor.c

@@ -3335,7 +3335,7 @@ void setWindowResOutputBufInitCtx(SQueryRuntimeEnv *pRuntimeEnv, SWindowResult *
 
 int32_t setAdditionalInfo(SQInfo *pQInfo, STableId* pTableId, STableQueryInfo *pTableQueryInfo) {
   SQueryRuntimeEnv *pRuntimeEnv = &pQInfo->runtimeEnv;
-  assert(pTableQueryInfo->lastKey >= TSKEY_INITIAL_VAL);
+  //assert(pTableQueryInfo->lastKey >= TSKEY_INITIAL_VAL);
 
   setTagVal(pRuntimeEnv, pTableId, pQInfo->tsdb);
 
@@ -4230,7 +4230,7 @@ static void sequentialTableProcess(SQInfo *pQInfo) {
       SArray* group = taosArrayGetP(pQInfo->groupInfo.pGroupList, pQInfo->groupIndex);
 
       qTrace("QInfo:%p last_row query on group:%d, total group:%d, current group:%d", pQInfo, pQInfo->groupIndex,
-             numOfGroups);
+             numOfGroups, group);
 
       STsdbQueryCond cond = {
           .twindow = pQuery->window,
@@ -4264,10 +4264,10 @@ static void sequentialTableProcess(SQInfo *pQInfo) {
       
       setTagVal(pRuntimeEnv, (STableId*) taosArrayGet(s, 0), pQInfo->tsdb);
         
-      taosArrayDestroy(s);
       if (isFirstLastRowQuery(pQuery)) {
         assert(taosArrayGetSize(s) == 1);
       }
+      taosArrayDestroy(s);
       
       // here we simply set the first table as current table
       pQuery->current = ((SGroupItem*) taosArrayGet(group, 0))->info;
@@ -5380,6 +5380,7 @@ static int32_t createFilterInfo(void *pQInfo, SQuery *pQuery) {
 
         if ((lower == TSDB_RELATION_GREATER_EQUAL || lower == TSDB_RELATION_GREATER) &&
             (upper == TSDB_RELATION_LESS_EQUAL || upper == TSDB_RELATION_LESS)) {
+          assert(rangeFilterArray != NULL);
           if (lower == TSDB_RELATION_GREATER_EQUAL) {
             if (upper == TSDB_RELATION_LESS_EQUAL) {
               pSingleColFilter->fp = rangeFilterArray[4];
@@ -5394,11 +5395,12 @@ static int32_t createFilterInfo(void *pQInfo, SQuery *pQuery) {
             }
           }
         } else {  // set callback filter function
+          assert(filterArray != NULL);
           if (lower != TSDB_RELATION_INVALID) {
             pSingleColFilter->fp = filterArray[lower];
 
             if (upper != TSDB_RELATION_INVALID) {
-              qError("pQInfo:%p failed to get filter function, invalid filter condition", pQInfo, type);
+              qError("pQInfo:%p failed to get filter function, invalid filter condition: %d", pQInfo, type);
               return TSDB_CODE_QRY_INVALID_MSG;
             }
           } else {

src/query/src/tvariant.c

@@ -887,7 +887,7 @@ int32_t tVariantTypeSetType(tVariant *pVariant, char type) {
         free(pVariant->pz);
         pVariant->dKey = v;
       } else if (pVariant->nType >= TSDB_DATA_TYPE_BOOL && pVariant->nType <= TSDB_DATA_TYPE_BIGINT) {
-        pVariant->dKey = pVariant->i64Key;
+        pVariant->dKey = (double)(pVariant->i64Key);
       }
       
       pVariant->nType = TSDB_DATA_TYPE_DOUBLE;

src/rpc/src/rpcMain.c

@@ -489,17 +489,22 @@ void rpcSendRecv(void *shandle, SRpcIpSet *pIpSet, const SRpcMsg *pMsg, SRpcMsg
 // this API is used by server app to keep an APP context in case connection is broken
 int rpcReportProgress(void *handle, char *pCont, int contLen) {
   SRpcConn *pConn = (SRpcConn *)handle;
+  int code = 0;
+
+  rpcLockConn(pConn);
 
   if (pConn->user[0]) {
     // pReqMsg and reqMsgLen is re-used to store the context from app server
     pConn->pReqMsg = pCont;     
     pConn->reqMsgLen = contLen;
-    return 0;
-  } 
+  } else {
+    tTrace("%s, rpc connection is already released", pConn->info);
+    rpcFreeCont(pCont);
+    code = -1;
+  }
 
-  tTrace("%s, rpc connection is already released", pConn->info);
-  rpcFreeCont(pCont);
-  return -1;
+  rpcUnlockConn(pConn);
+  return code;
 }
 
 /* todo: cancel process may have race condition, pContext may have been released 
@@ -555,18 +560,10 @@ static SRpcConn *rpcOpenConn(SRpcInfo *pRpc, char *peerFqdn, uint16_t peerPort,
   return pConn;
 }
 
-static void rpcCloseConn(void *thandle) {
-  SRpcConn *pConn = (SRpcConn *)thandle;
+static void rpcReleaseConn(SRpcConn *pConn) {
   SRpcInfo *pRpc = pConn->pRpc;
   if (pConn->user[0] == 0) return;
 
-  rpcLockConn(pConn);
-
-  if (pConn->user[0] == 0) {
-    rpcUnlockConn(pConn);
-    return;
-  }
-
   pConn->user[0] = 0;
   if (taosCloseConn[pConn->connType]) (*taosCloseConn[pConn->connType])(pConn->chandle);
 
@@ -591,7 +588,16 @@ static void rpcCloseConn(void *thandle) {
   taosFreeId(pRpc->idPool, pConn->sid);
   pConn->pContext = NULL;
 
-  tTrace("%s, rpc connection is closed", pConn->info);
+  tTrace("%s, rpc connection is released", pConn->info);
+}
+
+static void rpcCloseConn(void *thandle) {
+  SRpcConn *pConn = (SRpcConn *)thandle;
+
+  rpcLockConn(pConn);
+
+  if (pConn->user[0])
+    rpcReleaseConn(pConn);
 
   rpcUnlockConn(pConn);
 }
@@ -911,8 +917,8 @@ static void rpcProcessBrokenLink(SRpcConn *pConn) {
 
   if (pConn->inType) rpcReportBrokenLinkToServer(pConn); 
 
+  rpcReleaseConn(pConn);
   rpcUnlockConn(pConn);
-  rpcCloseConn(pConn);
 }
 
 static void *rpcProcessMsgFromPeer(SRecvInfo *pRecv) {
@@ -1217,7 +1223,6 @@ static void rpcProcessConnError(void *param, void *id) {
 static void rpcProcessRetryTimer(void *param, void *tmrId) {
   SRpcConn *pConn = (SRpcConn *)param;
   SRpcInfo *pRpc = pConn->pRpc;
-  int       reportDisc = 0;
 
   rpcLockConn(pConn);
 
@@ -1233,31 +1238,33 @@ static void rpcProcessRetryTimer(void *param, void *tmrId) {
     } else {
       // close the connection
       tTrace("%s, failed to send msg:%s to %s:%hu", pConn->info, taosMsg[pConn->outType], pConn->peerFqdn, pConn->peerPort);
-      reportDisc = 1;
+      if (pConn->pContext) {
+        pConn->pContext->code = TSDB_CODE_RPC_NETWORK_UNAVAIL;
+        taosTmrStart(rpcProcessConnError, 0, pConn->pContext, pRpc->tmrCtrl);
+        rpcReleaseConn(pConn);
+      }
     }
   } else {
     tTrace("%s, retry timer not processed", pConn->info);
   }
 
   rpcUnlockConn(pConn);
-
-  if (reportDisc && pConn->pContext) { 
-    pConn->pContext->code = TSDB_CODE_RPC_NETWORK_UNAVAIL;
-    rpcProcessConnError(pConn->pContext, NULL);
-    rpcCloseConn(pConn);
-  }
 }
 
 static void rpcProcessIdleTimer(void *param, void *tmrId) {
   SRpcConn *pConn = (SRpcConn *)param;
 
+  rpcLockConn(pConn);
+
   if (pConn->user[0]) {
     tTrace("%s, close the connection since no activity", pConn->info);
     if (pConn->inType) rpcReportBrokenLinkToServer(pConn); 
-    rpcCloseConn(pConn);
+    rpcReleaseConn(pConn);
   } else {
     tTrace("%s, idle timer:%p not processed", pConn->info, tmrId);
   }
+
+  rpcUnlockConn(pConn);
 }
 
 static void rpcProcessProgressTimer(void *param, void *tmrId) {

src/rpc/src/rpcTcp.c

@@ -117,7 +117,7 @@ void *taosInitTcpServer(uint32_t ip, uint16_t port, char *label, int numOfThread
     code = pthread_mutex_init(&(pThreadObj->mutex), NULL);
     if (code < 0) {
       tError("%s failed to init TCP process data mutex(%s)", label, strerror(errno));
-      break;;
+      break;
     }
 
     pThreadObj->pollFd = epoll_create(10);  // size does not matter
@@ -367,7 +367,7 @@ static void taosReportBrokenLink(SFdObj *pFdObj) {
     recvInfo.ip = 0;
     recvInfo.port = 0;
     recvInfo.shandle = pThreadObj->shandle;
-    recvInfo.thandle = pFdObj->thandle;;
+    recvInfo.thandle = pFdObj->thandle;
     recvInfo.chandle = NULL;
     recvInfo.connType = RPC_CONN_TCP;
     (*(pThreadObj->processData))(&recvInfo);
@@ -414,7 +414,7 @@ static int taosReadTcpData(SFdObj *pFdObj, SRecvInfo *pInfo) {
   pInfo->ip = pFdObj->ip;
   pInfo->port = pFdObj->port;
   pInfo->shandle = pThreadObj->shandle;
-  pInfo->thandle = pFdObj->thandle;;
+  pInfo->thandle = pFdObj->thandle;
   pInfo->chandle = pFdObj;
   pInfo->connType = RPC_CONN_TCP;
 

src/tsdb/src/tsdbMeta.c

@@ -600,6 +600,10 @@ int tsdbDropTable(TsdbRepoT *repo, STableId tableId) {
     return -1;
   }
 
+  if (pTable->cqhandle != NULL) {
+    pRepo->appH.cqDropFunc(pTable->cqhandle);
+  }
+
   tsdbTrace("vgId:%d, table %s is dropped! tid:%d, uid:%" PRId64, pRepo->config.tsdbId, varDataVal(pTable->name),
             tableId.tid, tableId.uid);
   if (tsdbRemoveTableFromMeta(pMeta, pTable, true) < 0) return -1;

src/util/src/tmem.c

@@ -29,7 +29,7 @@ static FILE* fpAllocLog = NULL;
 // memory allocator which fails randomly
 
 extern int32_t taosGetTimestampSec();
-static int32_t startTime = INT32_MAX;;
+static int32_t startTime = INT32_MAX;
 
 static bool random_alloc_fail(size_t size, const char* file, uint32_t line) {
   if (taosGetTimestampSec() < startTime) {

src/vnode/src/vnodeMain.c

@@ -119,7 +119,7 @@ int32_t vnodeCreate(SMDCreateVnodeMsg *pVnodeCfg) {
   tsdbCfg.minRowsPerFileBlock = pVnodeCfg->cfg.minRowsPerFileBlock;
   tsdbCfg.maxRowsPerFileBlock = pVnodeCfg->cfg.maxRowsPerFileBlock;
   tsdbCfg.precision           = pVnodeCfg->cfg.precision;
-  tsdbCfg.compression         = pVnodeCfg->cfg.compression;;
+  tsdbCfg.compression         = pVnodeCfg->cfg.compression;
 
   char tsdbDir[TSDB_FILENAME_LEN] = {0};
   sprintf(tsdbDir, "%s/vnode%d/tsdb", tsVnodeDir, pVnodeCfg->cfg.vgId);
@@ -325,6 +325,11 @@ void vnodeRelease(void *pVnodeRaw) {
     tsdbCloseRepo(pVnode->tsdb, 1);
   pVnode->tsdb = NULL;
 
+  // stop continuous query
+  if (pVnode->cq) 
+    cqClose(pVnode->cq);
+  pVnode->cq = NULL;
+
   if (pVnode->wal) 
     walClose(pVnode->wal);
   pVnode->wal = NULL;
@@ -436,11 +441,6 @@ static void vnodeCleanUp(SVnodeObj *pVnode) {
     pVnode->sync = NULL;
   }
 
-  // stop continuous query
-  if (pVnode->cq) 
-    cqClose(pVnode->cq);
-  pVnode->cq = NULL;
-
   // release local resources only after cutting off outside connections
   vnodeRelease(pVnode);
 }

tests/script/general/parser/alter.sim

@@ -137,7 +137,7 @@ sleep 6000
 sql insert into tb1 values (now, 2, 'taos')
 sleep 3000
 sql select * from strm
-if $rows != 1 then
+if $rows != 2 then
    return -1
 endi
 if $data04 != 1 then
@@ -148,7 +148,7 @@ sleep 6000
 sql insert into tb1 values (now, 3, 'taos', 3);
 sleep 3000
 sql select * from strm
-if $rows != 1 then
+if $rows != 3 then
    return -1
 endi
 if $data04 != 1 then
@@ -188,9 +188,9 @@ sql create table tb using mt tags(1)
 sleep 3000
 sql insert into tb values ('2018-11-01 16:30:00.000', 1, 'insert', 1)
 sql alter table mt drop column c3
-# the below query should be deleted after bug fix
+
 sql insert into tb values ('2018-11-01 16:29:59.000', 1, 'insert')
-sql_error import into tb values ('2018-11-01 16:29:59.000', 1, 'import')
+sql import into tb values ('2018-11-01 16:29:59.000', 1, 'import')
 sql select * from tb order by ts desc
 if $data01 != 1 then
   return -1
@@ -203,13 +203,13 @@ sql select * from tb order by ts desc
 if $data03 != NULL then
   return -1
 endi
-# the query below should be deleted after bug fix
+
 sql reset query cache
 sql insert into tb values ('2018-11-01 16:29:58.000', 2, 'import', 3)
-sql_error import into tb values ('2018-11-01 16:29:58.000', 2, 'import', 3)
+sql import into tb values ('2018-11-01 16:29:58.000', 2, 'import', 3)
 sql import into tb values ('2018-11-01 16:39:58.000', 2, 'import', 3)
 sql select * from tb order by ts desc 
-if $rows != 2 then
+if $rows != 4 then
   return -1
 endi
 if $data03 != 3 then

tests/script/general/parser/stream.sim

@@ -51,19 +51,20 @@ sql drop table strm
 ## [TBASE304]
 print ====== TBASE-304
 sleep 10000
-print create mt
-sql create table mt (ts timestamp, c1 int) tags(t1 int, t2 int)
+# we cannot reset query cache in server side, as a workaround,
+# set super table name to mt304, need to change back to mt later
+print create mt304
+sql create table mt304 (ts timestamp, c1 int) tags(t1 int, t2 int)
 print create tb1
-sql create table tb1 using mt tags(1, 1)
+sql create table tb1 using mt304 tags(1, 1)
 print create tb2
-sql create table tb2 using mt tags(1, -1)
+sql create table tb2 using mt304 tags(1, -1)
 print create strm
-sql create table strm as select count(*), avg(c1) from mt where t2 >= 0 interval(4s) sliding(2s)
+sql create table strm as select count(*), avg(c1) from mt304 where t2 >= 0 interval(4s) sliding(2s)
 sql insert into tb1 values (now,1)
 sql insert into tb2 values (now,2)
-sleep 20000
+sleep 100000
 sql select * from strm;
-sleep 1000
 if $rows != 2 then
   print ==== expect rows = 2, actually returned rows = $rows
   return -1
@@ -75,11 +76,11 @@ print data02 = $data02
 if $data02 != 1.000000000 then
   return -1
 endi
-sql alter table mt drop tag t2;
+sql alter table mt304 drop tag t2;
 sql insert into tb2 values (now,2);
 sql insert into tb1 values (now,1);
 sql select * from strm;
-sql alter table mt add tag t2 int;
+sql alter table mt304 add tag t2 int;
 sleep 10000
 sql select * from strm
 
@@ -98,7 +99,7 @@ sleep 4000
 sql insert into tb2 values (now, 2, 'tb2')
 sleep 4000
 sql insert into tb3 values (now, 0, 'tb3')
-sleep 6000
+sleep 60000
 
 sql describe strm
 if $rows == 0 then
@@ -134,11 +135,9 @@ endi
 ## The vnode client needs to refresh metadata cache to allow strm calculate tb4's data. But the current refreshing frequency is every 10 min
 ## commented out the case below to save running time
 sql create table tb4 using stb tags('a4')
-sleep 6000
 sql insert into tb4 values(now, 4, 'tb4')
-sleep 10000
+sleep 60000
 sql select * from strm order by ts desc
-sleep 1000
 print ======== data0: $data00 $data01 $data02 $data03 
 #print ======== data1: $data10 $data11 $data12 $data13 
 #print ======== data2: $data20 $data21 $data22 $data23 
@@ -160,7 +159,7 @@ sleep 3000   # waiting for new tag valid
 sql insert into tb1 values (now, 1, 'tb1_a1')
 sleep 4000
 sql insert into tb4 values (now, -4, 'tb4_b4')
-sleep 10000
+sleep 100000
 sql select * from strm order by ts desc
 sleep 1000
 print ======== data0: $data00 $data01 $data02 $data03 
@@ -191,9 +190,9 @@ sql create table tb3 using stb tags(3, 'tb3')
 sql create table tb4 using stb tags(4, 'tb4')
 
 sql create table strm0 as select count(ts), count(c1), max(c2), min(c4), first(c5), last(c6) from stb where ts < now + 30s interval(4s) sliding(2s)
-sleep 10000
+sleep 1000
 sql insert into tb0 values (now, 0, 0, 0, 0, 'binary0', '涛思0', true) tb1 values (now, 1, 1, 1, 1, 'binary1', '涛思1', false) tb2 values (now, 2, 2, 2, 2, 'binary2', '涛思2', true) tb3 values (now, 3, 3, 3, 3, 'binary3', '涛思3', false) tb4 values (now, 4, 4, 4, 4, 'binary4', '涛思4', true) 
-sleep 5000
+sleep 20000
 sql select * from strm0 order by ts desc
 sleep 1000
 if $rows != 2 then
@@ -202,7 +201,7 @@ if $rows != 2 then
 endi
 
 sql insert into tb0 values (now, 10, 10, 10, 10, 'binary0', '涛思0', true) tb1 values (now, 11, 11, 11, 11, 'binary1', '涛思1', false) tb2 values (now, 12, 12, 12, 12, 'binary2', '涛思2', true) tb3 values (now, 13, 13, 13, 13, 'binary3', '涛思3', false) tb4 values (now, 14, 14, 14, 14, 'binary4', '涛思4', true) 
-sleep 5000
+sleep 30000
 sql select * from strm0 order by ts desc
 sleep 1000
 if $rows != 4 then
@@ -210,15 +209,4 @@ if $rows != 4 then
   return -1
 endi
 
-sql drop database if exists strm_db_0
-sql show databases
-if $rows != 0 then 
-  return -1
-endi
-
-sql create database $db
-sql use $db
-sql create table stb (ts timestamp, c1 int) tags(t1 int)
-sql create table tb1 using stb tags(1)
-
 system sh/exec.sh -n dnode1 -s stop -x SIGINT

tests/script/jenkins/basic.txt

@@ -323,19 +323,20 @@ cd ../../../debug; make
 ./test.sh -f unique/vnode/replica3_repeat.sim
 ./test.sh -f unique/vnode/replica3_vgroup.sim
 
-./test.sh -f unique/arbitrator/dn2_mn1_cache_file_sync.sim
-#./test.sh -f unique/arbitrator/dn2_mn1_cache_file_sync_second.sim
+./test.sh -f unique/arbitrator/check_cluster_cfg_para.sim
+./test.sh -f unique/arbitrator/dn2_mn1_cache_file_sync.sim                   # TODO: check file number using sim ?
 ./test.sh -f unique/arbitrator/dn3_mn1_full_createTableFail.sim
 ./test.sh -f unique/arbitrator/dn3_mn1_full_dropDnodeFail.sim
 ./test.sh -f unique/arbitrator/dn3_mn1_multiCreateDropTable.sim
 ./test.sh -f unique/arbitrator/dn3_mn1_nw_disable_timeout_autoDropDnode.sim
-./test.sh -f unique/arbitrator/dn3_mn1_replica2_wal1_AddDelDnode.sim
+#./test.sh -f unique/arbitrator/dn3_mn1_replica2_wal1_AddDelDnode.sim      #  fail
 ./test.sh -f unique/arbitrator/dn3_mn1_replica_change_dropDnod.sim
 ./test.sh -f unique/arbitrator/dn3_mn1_replica_change.sim
 ./test.sh -f unique/arbitrator/dn3_mn1_stopDnode_timeout.sim
 ./test.sh -f unique/arbitrator/dn3_mn1_vnode_change.sim
-./test.sh -f unique/arbitrator/dn3_mn1_vnode_corruptFile_offline.sim
+#./test.sh -f unique/arbitrator/dn3_mn1_vnode_corruptFile_offline.sim         # fail
 ./test.sh -f unique/arbitrator/dn3_mn1_vnode_corruptFile_online.sim
+#./test.sh -f unique/arbitrator/dn3_mn1_vnode_delDir.sim                  # unsupport
 ./test.sh -f unique/arbitrator/dn3_mn1_vnode_nomaster.sim
 ./test.sh -f unique/arbitrator/dn3_mn2_killDnode.sim
 ./test.sh -f unique/arbitrator/insert_duplicationTs.sim
@@ -349,7 +350,7 @@ cd ../../../debug; make
 ./test.sh -f unique/arbitrator/offline_replica3_createTable_online.sim
 ./test.sh -f unique/arbitrator/offline_replica3_dropDb_online.sim
 ./test.sh -f unique/arbitrator/offline_replica3_dropTable_online.sim
-./test.sh -f unique/arbitrator/replica_changeWithArbitrator.sim
+#./test.sh -f unique/arbitrator/replica_changeWithArbitrator.sim                # fail
 ./test.sh -f unique/arbitrator/sync_replica2_alterTable_add.sim
 ./test.sh -f unique/arbitrator/sync_replica2_alterTable_drop.sim
 ./test.sh -f unique/arbitrator/sync_replica2_dropDb.sim
@@ -358,3 +359,4 @@ cd ../../../debug; make
 ./test.sh -f unique/arbitrator/sync_replica3_alterTable_drop.sim
 ./test.sh -f unique/arbitrator/sync_replica3_dropDb.sim
 ./test.sh -f unique/arbitrator/sync_replica3_dropTable.sim
+

tests/script/tmp/prepare.sim

@@ -20,10 +20,10 @@ system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode3 -c mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode4 -c mnodeEqualVnodeNum -v 4
 
-system sh/cfg.sh -n dnode1 -c numOfTotalVnodes -v 4
-system sh/cfg.sh -n dnode2 -c numOfTotalVnodes -v 4
-system sh/cfg.sh -n dnode3 -c numOfTotalVnodes -v 4
-system sh/cfg.sh -n dnode4 -c numOfTotalVnodes -v 4
+system sh/cfg.sh -n dnode1 -c numOfTotalVnodes -v 20
+system sh/cfg.sh -n dnode2 -c numOfTotalVnodes -v 20
+system sh/cfg.sh -n dnode3 -c numOfTotalVnodes -v 20
+system sh/cfg.sh -n dnode4 -c numOfTotalVnodes -v 20
 
 system sh/cfg.sh -n dnode1 -c http -v 1
 system sh/cfg.sh -n dnode2 -c http -v 1

tests/script/unique/arbitrator/check_cluster_cfg_para.sim

@@ -7,84 +7,83 @@ system sh/deploy.sh -n dnode5 -i 5
 system sh/deploy.sh -n dnode6 -i 6
 system sh/deploy.sh -n dnode7 -i 7
 
-
 system sh/cfg.sh -n dnode1 -c numOfMnodes -v 2
 system sh/cfg.sh -n dnode1 -c mnodeEqualVnodeNum -v 4
-system sh/cfg.sh -n dnode1 -c offlineThreshold -v 15
+system sh/cfg.sh -n dnode1 -c offlineThreshold -v 8
 system sh/cfg.sh -n dnode1 -c statusInterval -v 3
 system sh/cfg.sh -n dnode1 -c arbitrator -v $arbitrator
 #system sh/cfg.sh -n dnode1 -c timezone -v ""
 #system sh/cfg.sh -n dnode1 -c locale -v ""
 #system sh/cfg.sh -n dnode1 -c charset -v ""
-system sh/cfg.sh -n dnode1 -c balanceInterval -v 10
+system sh/cfg.sh -n dnode1 -c balanceInterval -v 3
 
 ######## dnode 2 the same with dnode1
 system sh/cfg.sh -n dnode2 -c numOfMnodes -v 2
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
-system sh/cfg.sh -n dnode2 -c offlineThreshold -v 15
+system sh/cfg.sh -n dnode2 -c offlineThreshold -v 8
 system sh/cfg.sh -n dnode2 -c statusInterval -v 3
 system sh/cfg.sh -n dnode2 -c arbitrator -v $arbitrator
 #system sh/cfg.sh -n dnode2 -c timezone -v ""
 #system sh/cfg.sh -n dnode2 -c locale -v ""
 #system sh/cfg.sh -n dnode2 -c charset -v ""
-system sh/cfg.sh -n dnode2 -c balanceInterval -v 10
+system sh/cfg.sh -n dnode2 -c balanceInterval -v 3
 
 ######## dnode 3 one para no same with dnode1
 system sh/cfg.sh -n dnode3 -c numOfMnodes -v 3
 system sh/cfg.sh -n dnode3 -c mnodeEqualVnodeNum -v 4
-system sh/cfg.sh -n dnode3 -c offlineThreshold -v 15
+system sh/cfg.sh -n dnode3 -c offlineThreshold -v 8
 system sh/cfg.sh -n dnode3 -c statusInterval -v 3
 system sh/cfg.sh -n dnode3 -c arbitrator -v $arbitrator
 #system sh/cfg.sh -n dnode3 -c timezone -v ""
 #system sh/cfg.sh -n dnode3 -c locale -v ""
 #system sh/cfg.sh -n dnode3 -c charset -v ""
-system sh/cfg.sh -n dnode3 -c balanceInterval -v 10
+system sh/cfg.sh -n dnode3 -c balanceInterval -v 3
 
 ######## dnode 4 one para no same with dnode1
 system sh/cfg.sh -n dnode4 -c numOfMnodes -v 2
 system sh/cfg.sh -n dnode4 -c mnodeEqualVnodeNum -v 5
-system sh/cfg.sh -n dnode4 -c offlineThreshold -v 15
+system sh/cfg.sh -n dnode4 -c offlineThreshold -v 8
 system sh/cfg.sh -n dnode4 -c statusInterval -v 3
 system sh/cfg.sh -n dnode4 -c arbitrator -v $arbitrator
 #system sh/cfg.sh -n dnode4 -c timezone -v ""
 #system sh/cfg.sh -n dnode4 -c locale -v ""
 #system sh/cfg.sh -n dnode4 -c charset -v ""
-system sh/cfg.sh -n dnode4 -c balanceInterval -v 10
+system sh/cfg.sh -n dnode4 -c balanceInterval -v 3
 
 ######## dnode 5 one para no same with dnode1
 system sh/cfg.sh -n dnode5 -c numOfMnodes -v 2
 system sh/cfg.sh -n dnode5 -c mnodeEqualVnodeNum -v 4
-system sh/cfg.sh -n dnode5 -c offlineThreshold -v 16
+system sh/cfg.sh -n dnode5 -c offlineThreshold -v 7
 system sh/cfg.sh -n dnode5 -c statusInterval -v 3
 system sh/cfg.sh -n dnode5 -c arbitrator -v $arbitrator
 #system sh/cfg.sh -n dnode5 -c timezone -v ""
 #system sh/cfg.sh -n dnode5 -c locale -v ""
 #system sh/cfg.sh -n dnode5 -c charset -v ""
-system sh/cfg.sh -n dnode5 -c balanceInterval -v 10
+system sh/cfg.sh -n dnode5 -c balanceInterval -v 3
 
 
 ######## dnode 6 one para no same with dnode1
 system sh/cfg.sh -n dnode6 -c numOfMnodes -v 2
 system sh/cfg.sh -n dnode6 -c mnodeEqualVnodeNum -v 4
-system sh/cfg.sh -n dnode6 -c offlineThreshold -v 15 
+system sh/cfg.sh -n dnode6 -c offlineThreshold -v 8 
 system sh/cfg.sh -n dnode6 -c statusInterval -v 2
 system sh/cfg.sh -n dnode6 -c arbitrator -v $arbitrator
 #system sh/cfg.sh -n dnode6 -c timezone -v ""
 #system sh/cfg.sh -n dnode6 -c locale -v ""
 #system sh/cfg.sh -n dnode6 -c charset -v ""
-system sh/cfg.sh -n dnode6 -c balanceInterval -v 10
+system sh/cfg.sh -n dnode6 -c balanceInterval -v 3
 
 
 ######## dnode 7 one para no same with dnode1
 system sh/cfg.sh -n dnode7 -c numOfMnodes -v 2
 system sh/cfg.sh -n dnode7 -c mnodeEqualVnodeNum -v 4
-system sh/cfg.sh -n dnode7 -c offlineThreshold -v 15
+system sh/cfg.sh -n dnode7 -c offlineThreshold -v 8
 system sh/cfg.sh -n dnode7 -c statusInterval -v 3
 system sh/cfg.sh -n dnode7 -c arbitrator -v "plum-VirtualBox:8001"
 #system sh/cfg.sh -n dnode7 -c timezone -v ""
 #system sh/cfg.sh -n dnode7 -c locale -v ""
 #system sh/cfg.sh -n dnode7 -c charset -v ""
-system sh/cfg.sh -n dnode7 -c balanceInterval -v 10
+system sh/cfg.sh -n dnode7 -c balanceInterval -v 3
 
 print ============== step0: start tarbitrator
 system sh/exec_tarbitrator.sh -s start
@@ -109,7 +108,12 @@ sql create dnode $hostname6
 sql create dnode $hostname7
 sleep 10000
 
+$loopCnt = 0
 wait_dnode_created:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
 sql show dnodes
 if $rows != 7 then
   sleep 2000
@@ -154,7 +158,12 @@ endi
 
 sleep 10000
 
+$loopCnt = 0
 wait_dnode_offline_overtime_dropped:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
 sql show dnodes
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2

tests/script/unique/arbitrator/dn2_mn1_cache_file_sync.sim

@@ -117,7 +117,13 @@ print ============== step4: stop dnode3, so date rows falling disc, generate two
 system sh/exec.sh -n dnode3 -s stop -x SIGINT
 sleep $sleepTimer
 
+$loopCnt = 0
 wait_dnode3_offline:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
+
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -179,7 +185,13 @@ print ============== step7: restart dnode3, waiting sync end
 system sh/exec.sh -n dnode3 -s start
 sleep 3000
 
+$loopCnt = 0
 wait_dnode3_ready:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
+
 sql show dnodes
 if $rows != 3 then
   sleep 2000

tests/script/unique/arbitrator/dn3_mn1_full_createTableFail.sim

@@ -7,6 +7,7 @@ system sh/deploy.sh -n dnode4 -i 4
 system sh/cfg.sh -n dnode1 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode2 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode3 -c numOfMnodes -v 1
+system sh/cfg.sh -n dnode4 -c numOfMnodes -v 1
 
 system sh/cfg.sh -n dnode1 -c walLevel -v 2
 system sh/cfg.sh -n dnode2 -c walLevel -v 2
@@ -32,11 +33,11 @@ system sh/cfg.sh -n dnode1 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode2 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode3 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode4 -c maxtablesPerVnode -v 4
-system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 4
 
 system sh/cfg.sh -n dnode1 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode2 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode3 -c arbitrator -v $arbitrator
+system sh/cfg.sh -n dnode4 -c arbitrator -v $arbitrator
 
 print ============== step0: start tarbitrator
 system sh/exec_tarbitrator.sh -s start

tests/script/unique/arbitrator/dn3_mn1_full_dropDnodeFail.sim

@@ -7,6 +7,7 @@ system sh/deploy.sh -n dnode4 -i 4
 system sh/cfg.sh -n dnode1 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode2 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode3 -c numOfMnodes -v 1
+system sh/cfg.sh -n dnode4 -c numOfMnodes -v 1
 
 system sh/cfg.sh -n dnode1 -c walLevel -v 2
 system sh/cfg.sh -n dnode2 -c walLevel -v 2
@@ -37,6 +38,7 @@ system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode1 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode2 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode3 -c arbitrator -v $arbitrator
+system sh/cfg.sh -n dnode4 -c arbitrator -v $arbitrator
 
 print ============== step0: start tarbitrator
 system sh/exec_tarbitrator.sh -s start

tests/script/unique/arbitrator/dn3_mn1_multiCreateDropTable.sim

@@ -7,6 +7,7 @@ system sh/deploy.sh -n dnode4 -i 4
 system sh/cfg.sh -n dnode1 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode2 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode3 -c numOfMnodes -v 1
+system sh/cfg.sh -n dnode4 -c numOfMnodes -v 1
 
 system sh/cfg.sh -n dnode1 -c walLevel -v 2
 system sh/cfg.sh -n dnode2 -c walLevel -v 2
@@ -32,11 +33,11 @@ system sh/cfg.sh -n dnode1 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode2 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode3 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode4 -c maxtablesPerVnode -v 4
-system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 4
 
 system sh/cfg.sh -n dnode1 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode2 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode3 -c arbitrator -v $arbitrator
+system sh/cfg.sh -n dnode4 -c arbitrator -v $arbitrator
 
 print ============== step0: start tarbitrator
 system sh/exec_tarbitrator.sh -s start

tests/script/unique/arbitrator/dn3_mn1_nw_disable_timeout_autoDropDnode.sim

@@ -3,37 +3,31 @@ system sh/deploy.sh -n dnode1 -i 1
 system sh/deploy.sh -n dnode2 -i 2
 system sh/deploy.sh -n dnode3 -i 3
 system sh/deploy.sh -n dnode4 -i 4
-system sh/deploy.sh -n dnode5 -i 5
 
 system sh/cfg.sh -n dnode1 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode2 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode3 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode4 -c numOfMnodes -v 1
-system sh/cfg.sh -n dnode5 -c numOfMnodes -v 1
 
 system sh/cfg.sh -n dnode1 -c walLevel -v 1 
 system sh/cfg.sh -n dnode2 -c walLevel -v 1
 system sh/cfg.sh -n dnode3 -c walLevel -v 1
 system sh/cfg.sh -n dnode4 -c walLevel -v 1
-system sh/cfg.sh -n dnode5 -c walLevel -v 1
 
 system sh/cfg.sh -n dnode1 -c balanceInterval -v 10
 system sh/cfg.sh -n dnode2 -c balanceInterval -v 10
 system sh/cfg.sh -n dnode3 -c balanceInterval -v 10
 system sh/cfg.sh -n dnode4 -c balanceInterval -v 10
-system sh/cfg.sh -n dnode5 -c balanceInterval -v 10
 
 system sh/cfg.sh -n dnode1 -c numOfTotalVnodes -v 4
 system sh/cfg.sh -n dnode2 -c numOfTotalVnodes -v 4
 system sh/cfg.sh -n dnode3 -c numOfTotalVnodes -v 4
 system sh/cfg.sh -n dnode4 -c numOfTotalVnodes -v 4
-system sh/cfg.sh -n dnode5 -c numOfTotalVnodes -v 4
 
 system sh/cfg.sh -n dnode1 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode2 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode3 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode4 -c maxtablesPerVnode -v 4
-system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 4
 
 system sh/cfg.sh -n dnode1 -c alternativeRole -v 1
 system sh/cfg.sh -n dnode2 -c alternativeRole -v 2
@@ -44,19 +38,16 @@ system sh/cfg.sh -n dnode1 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode2 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode3 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode4 -c arbitrator -v $arbitrator
-system sh/cfg.sh -n dnode5 -c arbitrator -v $arbitrator
 
 system sh/cfg.sh -n dnode1 -c offlineThreshold -v 10
 system sh/cfg.sh -n dnode2 -c offlineThreshold -v 10
 system sh/cfg.sh -n dnode3 -c offlineThreshold -v 10
 system sh/cfg.sh -n dnode4 -c offlineThreshold -v 10
-system sh/cfg.sh -n dnode5 -c offlineThreshold -v 10
 
 system sh/cfg.sh -n dnode1 -c enableCoreFile -v 1
 system sh/cfg.sh -n dnode2 -c enableCoreFile -v 1
 system sh/cfg.sh -n dnode3 -c enableCoreFile -v 1
 system sh/cfg.sh -n dnode4 -c enableCoreFile -v 1
-system sh/cfg.sh -n dnode5 -c enableCoreFile -v 1
 
 print ============== step0: start tarbitrator
 system sh/exec_tarbitrator.sh -s start
@@ -126,7 +117,13 @@ system sh/exec.sh -n dnode4 -s stop
 #system sh/port.sh -p 7400 -s down
 sleep 12000
 
+$loopCnt = 0
 wait_dnode4_dropped:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
+
 sql show dnodes
 if $rows != 3 then
   sleep 2000

tests/script/unique/arbitrator/dn3_mn1_replica2_wal1_AddDelDnode.sim

@@ -36,14 +36,16 @@ system sh/cfg.sh -n dnode4 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 4
 
 system sh/cfg.sh -n dnode1 -c mnodeEqualVnodeNum -v 200
-#system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 200
-#system sh/cfg.sh -n dnode3 -c mnodeEqualVnodeNum -v 200
-#system sh/cfg.sh -n dnode4 -c mnodeEqualVnodeNum -v 200
+system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 200
+system sh/cfg.sh -n dnode3 -c mnodeEqualVnodeNum -v 200
+system sh/cfg.sh -n dnode4 -c mnodeEqualVnodeNum -v 200
+system sh/cfg.sh -n dnode5 -c mnodeEqualVnodeNum -v 200
 
 system sh/cfg.sh -n dnode1 -c alternativeRole -v 1
 system sh/cfg.sh -n dnode2 -c alternativeRole -v 2
 system sh/cfg.sh -n dnode3 -c alternativeRole -v 2
 system sh/cfg.sh -n dnode4 -c alternativeRole -v 2
+system sh/cfg.sh -n dnode5 -c alternativeRole -v 2
 
 system sh/cfg.sh -n dnode1 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode2 -c arbitrator -v $arbitrator
@@ -71,7 +73,7 @@ system sh/exec.sh -n dnode1 -s start
 sleep 3000
 sql connect
 
-print ============== step2: start dnode2/dnode3 and add into cluster, then create database, create table , and insert data
+print ============== step2: start dnode2/dnode3 and add into cluster, then create database replica 2, create table , and insert data
 system sh/exec.sh -n dnode2 -s start
 system sh/exec.sh -n dnode3 -s start
 sql create dnode $hostname2
@@ -84,7 +86,7 @@ $totalRows = 0
 $tsStart = 1420041600000
 
 $db = db
-sql create database $db replica 2 maxTables 4
+sql create database $db replica 2
 sql use $db
 
 # create table , insert data
@@ -164,7 +166,13 @@ endi
 
 sleep 15000
 
+$loopCnt = 0
 wait_drop:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
+
 sql show dnodes
 if $rows != 3 then
   sleep 3000
@@ -193,14 +201,17 @@ if $dnode4Status != ready then
 endi
 
 print ============== step4-1: restart dnode3, adn add into cluster
-system rm -rf ../../sim/dnode3
-sleep 3000
+system rm -rf ../../../sim/dnode3
+sleep 1000
 
 system sh/deploy.sh -n dnode3 -i 3
 system sh/cfg.sh -n dnode3 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode3 -c walLevel -v 1
 system sh/cfg.sh -n dnode3 -c balanceInterval -v 10
 system sh/cfg.sh -n dnode3 -c numOfTotalVnodes -v 4
+system sh/cfg.sh -n dnode3 -c maxtablesPerVnode -v 4
+system sh/cfg.sh -n dnode3 -c mnodeEqualVnodeNum -v 200
+system sh/cfg.sh -n dnode3 -c alternativeRole -v 2
 system sh/cfg.sh -n dnode3 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode3 -c offlineThreshold -v 10
 system sh/cfg.sh -n dnode3 -c enableCoreFile -v 1
@@ -209,7 +220,13 @@ system sh/exec.sh -n dnode3 -s start
 sql create dnode $hostname3
 sleep 3000
 
+$loopCnt = 0
 wait_dnode3_ready:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
+
 sql show dnodes
 print rows: $rows
 if $rows != 4 then
@@ -228,19 +245,19 @@ $dnode4Status = $data4_4
 $dnode5Status = $data4_5
 
 if $dnode1Status != ready then
-  return -1
+  goto wait_dnode3_ready
 endi
 if $dnode2Status != ready then
-  return -1
+  goto wait_dnode3_ready
 endi
 if $dnode3Status != null then
-  return -1
+  goto wait_dnode3_ready
 endi
 if $dnode4Status != ready then
-  return -1
+  goto wait_dnode3_ready
 endi
 if $dnode5Status != ready then
-  return -1
+  goto wait_dnode3_ready
 endi
 
 sql select count(*) from $stb
@@ -255,7 +272,13 @@ sleep 1000
 system sh/exec.sh -n dnode5 -s start
 sql create dnode $hostname5
 sleep 3000
+$loopCnt = 0
 wait_dnode5:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
+
 sql show dnodes
 if $rows != 5 then
   sleep 3000
@@ -274,22 +297,22 @@ $dnode5Status = $data4_5
 $dnode6Status = $data4_6
 
 if $dnode1Status != ready then
-  return -1
+  goto wait_dnode5
 endi
 if $dnode2Status != ready then
-  return -1
+  goto wait_dnode5
 endi
 if $dnode3Status != null then
-  return -1
+  goto wait_dnode5
 endi
 if $dnode4Status != ready then
-  return -1
+  goto wait_dnode5
 endi
 if $dnode5Status != ready then
-  return -1
+  goto wait_dnode5
 endi
 if $dnode6Status != ready then
-  return -1
+  goto wait_dnode5
 endi
 
 print ============== step6: create database and table until not free vnodes 

tests/script/unique/arbitrator/dn3_mn1_replica_change.sim

@@ -7,6 +7,7 @@ system sh/deploy.sh -n dnode4 -i 4
 system sh/cfg.sh -n dnode1 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode2 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode3 -c numOfMnodes -v 1
+system sh/cfg.sh -n dnode4 -c numOfMnodes -v 1
 
 system sh/cfg.sh -n dnode1 -c walLevel -v 2
 system sh/cfg.sh -n dnode2 -c walLevel -v 2
@@ -32,11 +33,11 @@ system sh/cfg.sh -n dnode1 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode2 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode3 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode4 -c maxtablesPerVnode -v 4
-system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 4
 
 system sh/cfg.sh -n dnode1 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode2 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode3 -c arbitrator -v $arbitrator
+system sh/cfg.sh -n dnode4 -c arbitrator -v $arbitrator
 
 print ============== step0: start tarbitrator
 system sh/exec_tarbitrator.sh -s start
@@ -92,7 +93,14 @@ endi
 print ============== step2-1: stop dnode2 for falling disc, then restart dnode2, and check rows
 system sh/exec.sh -n dnode2 -s stop -x SIGINT
 sleep $sleepTimer
+
+
+$loopCnt = 0
 wait_dnode2_offline_0:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
 sql show dnodes
 if $rows != 2 then
   sleep 2000
@@ -117,7 +125,14 @@ endi
 
 system sh/exec.sh -n dnode2 -s start
 sleep $sleepTimer
+
+
+$loopCnt = 0
 wait_dnode2_reready:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
 sql show dnodes
 if $rows != 2 then
   sleep 2000
@@ -155,8 +170,13 @@ sleep 3000
 
 sql alter database $db replica 2
 sleep $sleepTimer
-
+$loopCnt = 0
 wait_dnode3_ready:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
+
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -195,8 +215,13 @@ endi
 print ============== step4: stop dnode2 for checking if sync ok
 system sh/exec.sh -n dnode2 -s stop
 sleep $sleepTimer
-
+$loopCnt = 0
 wait_dnode2_offline:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
+
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -235,7 +260,13 @@ print ============== step5: restart dnode2
 system sh/exec.sh -n dnode2 -s start
 sleep 3000
 
+$loopCnt = 0
 wait_dnode2_ready:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
+
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -273,8 +304,13 @@ sleep 3000
 
 sql alter database $db replica 3
 sleep $sleepTimer
-
+$loopCnt = 0
 wait_dnode4_ready:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
+
 sql show dnodes
 if $rows != 4 then
   sleep 2000
@@ -308,8 +344,13 @@ endi
 print ============== step7: alter replica from 3 to 2, and waiting sync
 sql alter database $db replica 2
 sleep $sleepTimer
-
+$loopCnt = 0
 wait_vgroups_replic_to_2:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
+
 sql show vgroups
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1  $data5_1  $data6_1  $data7_1  $data8_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2  $data5_2  $data6_2  $data7_2  $data8_2
@@ -350,8 +391,13 @@ endi
 print ============== step8: alter replica from 2 to 1, and waiting sync
 sql alter database $db replica 1
 sleep $sleepTimer
-
+$loopCnt = 0
 wait_vgroups_replic_to_1:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
+
 sql show vgroups
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1  $data5_1  $data6_1  $data7_1  $data8_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2  $data5_2  $data6_2  $data7_2  $data8_2
@@ -381,7 +427,13 @@ if $sencodDnode_5 != null then
   goto wait_vgroups_replic_to_1
 endi
 
+$loopCnt = 0
 all_dnodes_ready:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
+
 sql show dnodes
 if $rows != 4 then
   sleep 2000
@@ -429,7 +481,13 @@ sql drop dnode $hostname2
 sql drop dnode $hostname3
 sleep $sleepTimer
 
+$loopCnt = 0
 wait_dnode23_dropped:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
+
 sql show dnodes
 if $rows != 2 then
   sleep 2000

tests/script/unique/arbitrator/dn3_mn1_replica_change_dropDnod.sim

@@ -7,6 +7,7 @@ system sh/deploy.sh -n dnode4 -i 4
 system sh/cfg.sh -n dnode1 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode2 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode3 -c numOfMnodes -v 1
+system sh/cfg.sh -n dnode4 -c numOfMnodes -v 1
 
 system sh/cfg.sh -n dnode1 -c walLevel -v 2
 system sh/cfg.sh -n dnode2 -c walLevel -v 2
@@ -32,11 +33,11 @@ system sh/cfg.sh -n dnode1 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode2 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode3 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode4 -c maxtablesPerVnode -v 4
-system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 4
 
 system sh/cfg.sh -n dnode1 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode2 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode3 -c arbitrator -v $arbitrator
+system sh/cfg.sh -n dnode4 -c arbitrator -v $arbitrator
 
 print ============== step0: start tarbitrator
 system sh/exec_tarbitrator.sh -s start
@@ -97,8 +98,13 @@ print ============== step3: drop dnode4, then check rows
 #system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sql drop dnode $hostname4
 sleep $sleepTimer
-
+$loopCnt = 0
 wait_dnode4_dropped:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
+
 sql show dnodes
 if $rows != 3 then
   sleep 2000

tests/script/unique/arbitrator/dn3_mn1_stopDnode_timeout.sim

@@ -3,37 +3,31 @@ system sh/deploy.sh -n dnode1 -i 1
 system sh/deploy.sh -n dnode2 -i 2
 system sh/deploy.sh -n dnode3 -i 3
 system sh/deploy.sh -n dnode4 -i 4
-system sh/deploy.sh -n dnode5 -i 5
 
-system sh/cfg.sh -n dnode1 -c numOfMPeers -v 1
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 1
-system sh/cfg.sh -n dnode3 -c numOfMPeers -v 1
-system sh/cfg.sh -n dnode4 -c numOfMPeers -v 1
-system sh/cfg.sh -n dnode5 -c numOfMPeers -v 1
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 1
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 1
+system sh/cfg.sh -n dnode3 -c numOfMnodes -v 1
+system sh/cfg.sh -n dnode4 -c numOfMnodes -v 1
 
 system sh/cfg.sh -n dnode1 -c walLevel -v 1 
 system sh/cfg.sh -n dnode2 -c walLevel -v 1
 system sh/cfg.sh -n dnode3 -c walLevel -v 1
 system sh/cfg.sh -n dnode4 -c walLevel -v 1
-system sh/cfg.sh -n dnode5 -c walLevel -v 1
 
 system sh/cfg.sh -n dnode1 -c balanceInterval -v 10
 system sh/cfg.sh -n dnode2 -c balanceInterval -v 10
 system sh/cfg.sh -n dnode3 -c balanceInterval -v 10
 system sh/cfg.sh -n dnode4 -c balanceInterval -v 10
-system sh/cfg.sh -n dnode5 -c balanceInterval -v 10
 
 system sh/cfg.sh -n dnode1 -c numOfTotalVnodes -v 4
 system sh/cfg.sh -n dnode2 -c numOfTotalVnodes -v 4
 system sh/cfg.sh -n dnode3 -c numOfTotalVnodes -v 4
 system sh/cfg.sh -n dnode4 -c numOfTotalVnodes -v 4
-system sh/cfg.sh -n dnode5 -c numOfTotalVnodes -v 4
 
 system sh/cfg.sh -n dnode1 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode2 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode3 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode4 -c maxtablesPerVnode -v 4
-system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 4
 
 system sh/cfg.sh -n dnode1 -c alternativeRole -v 1
 system sh/cfg.sh -n dnode2 -c alternativeRole -v 2
@@ -44,19 +38,16 @@ system sh/cfg.sh -n dnode1 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode2 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode3 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode4 -c arbitrator -v $arbitrator
-system sh/cfg.sh -n dnode5 -c arbitrator -v $arbitrator
 
 system sh/cfg.sh -n dnode1 -c offlineThreshold -v 10
 system sh/cfg.sh -n dnode2 -c offlineThreshold -v 10
 system sh/cfg.sh -n dnode3 -c offlineThreshold -v 10
 system sh/cfg.sh -n dnode4 -c offlineThreshold -v 10
-system sh/cfg.sh -n dnode5 -c offlineThreshold -v 10
 
 system sh/cfg.sh -n dnode1 -c enableCoreFile -v 1
 system sh/cfg.sh -n dnode2 -c enableCoreFile -v 1
 system sh/cfg.sh -n dnode3 -c enableCoreFile -v 1
 system sh/cfg.sh -n dnode4 -c enableCoreFile -v 1
-system sh/cfg.sh -n dnode5 -c enableCoreFile -v 1
 
 print ============== step0: start tarbitrator
 system sh/exec_tarbitrator.sh -s start
@@ -124,7 +115,13 @@ print ============== step3: stop dnode4, after timerout dnode4 will be auto-drop
 system sh/exec.sh -n dnode4 -s stop
 sleep 12000
 
+$loopCnt = 0
 wait_dnode4_dropped:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
+
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -178,7 +175,7 @@ system sh/exec.sh -n dnode4 -s stop
 system rm -rf ../../../sim/dnode4
 
 system sh/deploy.sh -n dnode4 -i 4
-system sh/cfg.sh -n dnode4 -c numOfMPeers -v 1
+system sh/cfg.sh -n dnode4 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode4 -c walLevel -v 1
 system sh/cfg.sh -n dnode4 -c balanceInterval -v 10
 system sh/cfg.sh -n dnode4 -c numOfTotalVnodes -v 4
@@ -192,7 +189,13 @@ system sh/exec.sh -n dnode4 -s start
 sql create dnode $hostname4
 sleep 6000
 
+$loopCnt = 0
 wait_dnode4_ready:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then 
+  return -1
+endi
+
 sql show dnodes
 if $rows != 4 then
   sleep 2000

tests/script/unique/arbitrator/dn3_mn1_vnode_change.sim

@@ -7,6 +7,7 @@ system sh/deploy.sh -n dnode4 -i 4
 system sh/cfg.sh -n dnode1 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode2 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode3 -c numOfMnodes -v 1
+system sh/cfg.sh -n dnode4 -c numOfMnodes -v 1
 
 system sh/cfg.sh -n dnode1 -c walLevel -v 2
 system sh/cfg.sh -n dnode2 -c walLevel -v 2
@@ -32,11 +33,11 @@ system sh/cfg.sh -n dnode1 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode2 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode3 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode4 -c maxtablesPerVnode -v 4
-system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 4
 
 system sh/cfg.sh -n dnode1 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode2 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode3 -c arbitrator -v $arbitrator
+system sh/cfg.sh -n dnode4 -c arbitrator -v $arbitrator
 
 print ============== step0: start tarbitrator
 system sh/exec_tarbitrator.sh -s start
@@ -46,7 +47,7 @@ system sh/exec.sh -n dnode1 -s start
 sleep 3000
 sql connect
 
-print ============== step2: start dnode2/dnode3/dnode4 and add into cluster , then create database with replica 3, and create table, insert data
+print ============== step2: start dnode2/dnode3/dnode4 and add into cluster , then create database with replica 2, and create table, insert data
 system sh/exec.sh -n dnode2 -s start
 system sh/exec.sh -n dnode3 -s start
 system sh/exec.sh -n dnode4 -s start
@@ -59,7 +60,7 @@ $totalTableNum = 10
 $sleepTimer = 3000
 
 $db = db
-sql create database $db replica 3 maxTables $totalTableNum
+sql create database $db replica 2 maxTables $totalTableNum
 sql use $db
 
 # create table , insert data
@@ -87,13 +88,18 @@ while $i < $tblNum
 endw 
 
 sql select count(*) from $stb
-sleep 1000
 print data00 $data00
 if $data00 != $totalRows then
 	return -1
 endi
 
-print ============== step3: stop dnode4, and remove its vnodeX subdirector 
+sql show dnodes
+print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
+print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
+print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
+print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
+
+print ============== step3: stop dnode4, then destroy the contents of its data file
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
 $loopCnt = 0
@@ -110,14 +116,11 @@ endi
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
 print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
-#print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
-#print $data0_5  $data1_5  $data2_5  $data3_5  $data4_5
-#print $data0_6  $data1_6  $data2_6  $data3_6  $data4_6
-#$dnode1Status = $data4_1  
+print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
+$dnode1Status = $data4_1  
 $dnode2Status = $data4_2
 $dnode3Status = $data4_3  
 $dnode4Status = $data4_4 
-#$dnode5Status = $data4_5
 
 if $dnode4Status != offline then
   sleep 2000
@@ -146,10 +149,20 @@ if $dnode3Vtatus != master then
   goto wait_dnode4_vgroup_offline
 endi
 
-
-system rm -rf ../../../sim/dnode4/data/vnode/*
+system echo "haha, nothing......" > ../../../sim/dnode4/data/vnode/vnode2/tsdb/data/f1643.data
+#system rm -rf ../../../sim/dnode4/data/vnode/*
 sleep 1000
 
+print ============== step3-1: insert new data 
+sql insert into $tb values ( now + 0a , $x ) ( now + 1a , $x ) ( now + 2a , $x )
+$totalRows = $totalRows + 3
+
+sql select count(*) from $stb
+print data00 $data00
+if $data00 != $totalRows then
+	return -1
+endi
+
 print ============== step4: restart dnode4, waiting sync end 
 system sh/exec.sh -n dnode4 -s start
 sleep $sleepTimer
@@ -213,12 +226,17 @@ if $dnode3Vtatus != master then
   goto wait_dnode4_vgroup_slave
 endi
 
+sql select count(*) from $stb
+print data00 $data00
+if $data00 != $totalRows then
+	return -1
+endi
+
 print ============== step5: stop dnode3/dnode2, and check rows
-system sh/exec.sh -n dnode2 -s stop
-system sh/exec.sh -n dnode3 -s stop
+system sh/exec.sh -n dnode2 -s stop -x SIGINT
+system sh/exec.sh -n dnode3 -s stop -x SIGINT
 sleep $sleepTimer
 
-
 $loopCnt = 0
 wait_dnode23_offline:
 $loopCnt = $loopCnt + 1
@@ -234,13 +252,10 @@ print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
 print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
 print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
-#print $data0_5  $data1_5  $data2_5  $data3_5  $data4_5
-#print $data0_6  $data1_6  $data2_6  $data3_6  $data4_6
-#$dnode1Status = $data4_1  
+$dnode1Status = $data4_1  
 $dnode2Status = $data4_2
 $dnode3Status = $data4_3  
 $dnode4Status = $data4_4 
-#$dnode5Status = $data4_5
 
 if $dnode2Status != offline then
   sleep 2000

tests/script/unique/arbitrator/dn3_mn1_vnode_corruptFile_offline.sim

@@ -7,6 +7,7 @@ system sh/deploy.sh -n dnode4 -i 4
 system sh/cfg.sh -n dnode1 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode2 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode3 -c numOfMnodes -v 1
+system sh/cfg.sh -n dnode4 -c numOfMnodes -v 1
 
 system sh/cfg.sh -n dnode1 -c walLevel -v 2
 system sh/cfg.sh -n dnode2 -c walLevel -v 2
@@ -32,11 +33,11 @@ system sh/cfg.sh -n dnode1 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode2 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode3 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode4 -c maxtablesPerVnode -v 4
-system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 4
 
 system sh/cfg.sh -n dnode1 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode2 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode3 -c arbitrator -v $arbitrator
+system sh/cfg.sh -n dnode4 -c arbitrator -v $arbitrator
 
 print ============== step0: start tarbitrator
 system sh/exec_tarbitrator.sh -s start
@@ -96,7 +97,14 @@ endi
 print ============== step3: stop dnode3 for falling disc, then corrupt vnode data file in dnode3
 system sh/exec.sh -n dnode3 -s stop -x SIGINT
 sleep $sleepTimer
+
+$loopCnt = 0
 wait_dnode3_offline_0:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then
+  return -1
+endi
+
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -119,7 +127,13 @@ if $dnode3Status != offline then
   goto wait_dnode3_offline_0
 endi
 
+$loopCnt = 0
 wait_dnode3_vgroup_offline:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then
+  return -1
+endi
+
 sql show vgroups
 if $rows != 1 then
   sleep 2000
@@ -141,27 +155,47 @@ if $dnode2Vtatus != master then
   goto wait_dnode3_vgroup_offline
 endi
 
-#system_content ls ../../../sim/dnode3/data/vnode/vnode2/tsdb/data/ -l | grep "^-" | wc -l | sed 's/^[ \t]*//g'
-#system_content ls ../../../sim/dnode3/data/vnode/vnode2/tsdb/data/ -l | grep "^-" | wc -l | sed 's/[ \t]*$//g'
+#$expectCnt = 3 . : 
+#print expectCnt: [ $expectCnt ]
+#system_content ls ../../../sim/dnode3/data/vnode/vnode2/tsdb/data/ -l | grep "^-" | wc -l | tr '\n' ':'
+#system_content ls ../../../sim/dnode3/data/vnode/vnode2/tsdb/data/ -l | grep "^-" | wc -l | tr '\n' ':'
 #print --2-->dnode3 data files: [ $system_content ]
 
-system_content ls ../../../sim/dnode2/data/vnode/vnode2/tsdb/data/ -l | grep "^-" | wc -l
-print ---->dnode2 data files: [ $system_content ], expect is 0
 
-system_content ls ../../../sim/dnode3/data/vnode/vnode2/tsdb/data/ -l | grep "^-" | wc -l
-print ---->dnode3 data files: [ $system_content ], expect is 3
-#if $system_content != 3 then 
-#  return -1
-#endi
+system_content ls ../../../sim/dnode2/data/vnode/vnode2/tsdb/data/ -l | grep "^-" | wc -l | tr -d '\n'
+print ---->dnode2 data files: $system_content   expect: 0
+if $system_content != 0 then
+  return -1
+endi
 
-#system echo "haha, nothing......" > ../../../sim/dnode3/data/vnode/vnode2/tsdb/data/f1643.data
-#sleep 1000
+system_content ls ../../../sim/dnode3/data/vnode/vnode2/tsdb/data/ -l | grep "^-" | wc -l | tr -d '\n'
+print ---->dnode3 data files: $system_content   expect: 3
+if $system_content != 3 then 
+  return -1
+endi
+
+system echo "haha, nothing......" > ../../../sim/dnode3/data/vnode/vnode2/tsdb/data/f1643.data
+
+print ============== step3-1: insert some news data for let version changed
+sql insert into $tb values ( now + 0a , $x ) ( now + 1a , $x ) ( now + 2a , $x )
+sql insert into $tb values ( now + 10a , $x ) ( now + 11a , $x ) ( now + 12a , $x )
+$totalRows = $totalRows + 6
+sql select count(*) from $stb
+print data00 $data00
+if $data00 != $totalRows then
+	return -1
+endi
 
 print ============== step4: restart dnode3, and run query 
 system sh/exec.sh -n dnode3 -s start
 sleep $sleepTimer
-
+$loopCnt = 0
 wait_dnode3_reready:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then
+  return -1
+endi
+
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -183,8 +217,13 @@ if $dnode3Status != ready then
   sleep 2000
   goto wait_dnode3_reready
 endi
-
+$loopCnt = 0
 wait_dnode3_vgroup_slave:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then
+  return -1
+endi
+
 sql show vgroups
 if $rows != 1 then
   sleep 2000
@@ -212,25 +251,29 @@ if $data00 != $totalRows then
 	return -1
 endi
 
-system_content ls ../../../sim/dnode2/data/vnode/vnode2/tsdb/data/ -l |grep "^-"|wc -l
-print ----> dnode2 data files: [ $system_content ], expect is 0
-#if $system_content != 0 then 
-#  return -1
-#endi
-
-system_content ls ../../../sim/dnode3/data/vnode/vnode2/tsdb/data/ -l |grep "^-"|wc -l
-print ----> dnode3 data files: [ $system_content ], expect is 0
-#if $system_content != 0 then
-#  print there should be no data file in dnode3 after sync 
-#  return -1
-#endi
+system_content ls ../../../sim/dnode2/data/vnode/vnode2/tsdb/data/ -l |grep "^-"|wc -l | tr -d '\n'
+print ----> dnode2 data files: $system_content  expect: 0
+if $system_content != 0 then 
+  return -1
+endi
 
-return -1
+system_content ls ../../../sim/dnode3/data/vnode/vnode2/tsdb/data/ -l |grep "^-"|wc -l | tr -d '\n'
+print ----> dnode3 data files: $system_content   expect: 0
+if $system_content != 0 then
+  print there should be no data file in dnode3 after sync 
+  return -1
+endi
 
 print ============== step5: stop dnode2, and check if dnode3 sync ok
 system sh/exec.sh -n dnode2 -s stop -x SIGINT
 sleep $sleepTimer
+
+$loopCnt = 0
 wait_dnode2_offline_0:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then
+  return -1
+endi
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -253,7 +296,13 @@ if $dnode2Status != offline then
   goto wait_dnode2_offline_0
 endi
 
+$loopCnt = 0
 wait_dnode3_vgroup_master:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then
+  return -1
+endi
+
 sql show vgroups
 if $rows != 1 then
   sleep 2000

tests/script/unique/arbitrator/dn3_mn1_vnode_corruptFile_online.sim

@@ -7,6 +7,7 @@ system sh/deploy.sh -n dnode4 -i 4
 system sh/cfg.sh -n dnode1 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode2 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode3 -c numOfMnodes -v 1
+system sh/cfg.sh -n dnode4 -c numOfMnodes -v 1
 
 system sh/cfg.sh -n dnode1 -c walLevel -v 2
 system sh/cfg.sh -n dnode2 -c walLevel -v 2
@@ -32,11 +33,11 @@ system sh/cfg.sh -n dnode1 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode2 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode3 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode4 -c maxtablesPerVnode -v 4
-system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 4
 
 system sh/cfg.sh -n dnode1 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode2 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode3 -c arbitrator -v $arbitrator
+system sh/cfg.sh -n dnode4 -c arbitrator -v $arbitrator
 
 print ============== step0: start tarbitrator
 system sh/exec_tarbitrator.sh -s start
@@ -94,11 +95,13 @@ if $data00 != $totalRows then
 endi
 
 print ============== step3: corrupt vnode data file in dnode3, not stop dnode3
-# del the second row
-system sed '2d' ../../../sim/dnode3/data/vnode/vnode2/tsdb/data/v1849.data
+system echo "haha, nothing......" > ../../../sim/dnode3/data/vnode/vnode2/tsdb/data/f1643.data
 sleep 1000
 
-print ============== step4: run query 
+print ============== step4: insert new data, and run query 
+sql insert into $tb values ( now + 0a , $x ) ( now + 1a , $x ) ( now + 2a , $x ) 
+$totalRows = $totalRows + 3
+
 sql select count(*) from $stb
 print data00 $data00
 if $data00 != $totalRows then
@@ -108,7 +111,14 @@ endi
 print ============== step5: stop dnode2, and check if dnode3 sync ok
 system sh/exec.sh -n dnode2 -s stop -x SIGINT
 sleep $sleepTimer
+
+$loopCnt = 0
 wait_dnode2_offline_0:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then
+  return -1
+endi
+
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -131,7 +141,13 @@ if $dnode2Status != offline then
   goto wait_dnode2_offline_0
 endi
 
+$loopCnt = 0
 wait_dnode3_vgroup_master:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then
+  return -1
+endi
+
 sql show vgroups
 if $rows != 1 then
   sleep 2000

tests/script/unique/arbitrator/dn3_mn1_vnode_nomaster.sim

@@ -7,6 +7,7 @@ system sh/deploy.sh -n dnode4 -i 4
 system sh/cfg.sh -n dnode1 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode2 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode3 -c numOfMnodes -v 1
+system sh/cfg.sh -n dnode4 -c numOfMnodes -v 1
 
 system sh/cfg.sh -n dnode1 -c walLevel -v 2
 system sh/cfg.sh -n dnode2 -c walLevel -v 2
@@ -32,11 +33,11 @@ system sh/cfg.sh -n dnode1 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode2 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode3 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode4 -c maxtablesPerVnode -v 4
-system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 4
 
 system sh/cfg.sh -n dnode1 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode2 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode3 -c arbitrator -v $arbitrator
+system sh/cfg.sh -n dnode4 -c arbitrator -v $arbitrator
 
 print ============== step0: start tarbitrator
 system sh/exec_tarbitrator.sh -s start
@@ -96,7 +97,13 @@ print ============== step3: stop dnode4/dnode2
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 system sh/exec.sh -n dnode2 -s stop -x SIGINT
 sleep $sleepTimer
+
+$loopCnt = 0
 wait_dnode4_offline_0:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then
+  return -1
+endi
 sql show dnodes
 if $rows != 4 then
   sleep 2000
@@ -123,7 +130,13 @@ if $dnode2Status != offline then
   goto wait_dnode4_offline_0
 endi
 
+$loopCnt = 0
 wait_dnode4_vgroup_offline:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then
+  return -1
+endi
+
 sql show vgroups
 if $rows != 1 then
   sleep 2000
@@ -192,7 +205,12 @@ endi
 print ============== step5: stop dnode3
 system sh/exec.sh -n dnode3 -s stop -x SIGINT
 sleep $sleepTimer
+$loopCnt = 0
 wait_dnode3_offline_0:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then
+  return -1
+endi
 sql show dnodes
 if $rows != 4 then
   sleep 2000
@@ -221,7 +239,12 @@ if $dnode2Status != ready then
   goto wait_dnode3_offline_0
 endi
 
+$loopCnt = 0
 wait_dnode2_vgroup_master:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then
+  return -1
+endi
 sql show vgroups
 if $rows != 1 then
   sleep 2000
@@ -243,8 +266,8 @@ if $dnode2Vtatus != master then
   goto wait_dnode2_vgroup_master
 endi
 
-sql insert into tb98 values (now, 9000) (now + 1s, 9001) (now + 2s, 9002) tb99 values (now, 9000) (now + 1s, 9001) (now + 2s, 9002)
-$totalRows = $totalRows + 6
+sql insert into $tb values (now, 9000) (now + 1s, 9001) (now + 2s, 9002)
+$totalRows = $totalRows + 3
 sql select count(*) from $stb
 print data00 $data00
 if $data00 != $totalRows then

tests/script/unique/arbitrator/dn3_mn2_killDnode.sim

@@ -7,6 +7,7 @@ system sh/deploy.sh -n dnode4 -i 4
 system sh/cfg.sh -n dnode1 -c numOfMnodes -v 2
 system sh/cfg.sh -n dnode2 -c numOfMnodes -v 2
 system sh/cfg.sh -n dnode3 -c numOfMnodes -v 2
+system sh/cfg.sh -n dnode3 -c numOfMnodes -v 2
 
 system sh/cfg.sh -n dnode1 -c walLevel -v 2
 system sh/cfg.sh -n dnode2 -c walLevel -v 2
@@ -32,11 +33,11 @@ system sh/cfg.sh -n dnode1 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode2 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode3 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode4 -c maxtablesPerVnode -v 4
-system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 4
 
 system sh/cfg.sh -n dnode1 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode2 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode3 -c arbitrator -v $arbitrator
+system sh/cfg.sh -n dnode4 -c arbitrator -v $arbitrator
 
 print ============== step0: start tarbitrator
 system sh/exec_tarbitrator.sh -s start

tests/script/unique/arbitrator/insert_duplicationTs.sim

@@ -43,11 +43,11 @@ system sh/cfg.sh -n dnode1 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode2 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode3 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode4 -c maxtablesPerVnode -v 4
-system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 4
 
 system sh/cfg.sh -n dnode1 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode2 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode3 -c arbitrator -v $arbitrator
+system sh/cfg.sh -n dnode4 -c arbitrator -v $arbitrator
 
 print ============== step0: start tarbitrator
 system sh/exec_tarbitrator.sh -s start
@@ -117,7 +117,13 @@ print ============== step4: stop dnode2, so date rows falling disc, generate two
 system sh/exec.sh -n dnode2 -s stop -x SIGINT
 sleep $sleepTimer
 
+$loopCnt = 0
 wait_dnode2_offline:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then
+  return -1
+endi
+
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -160,8 +166,13 @@ $totalRows = $totalRows + 2
 print ============== step5: restart dnode2, waiting sync end
 system sh/exec.sh -n dnode2 -s start
 sleep 3000
-
+$loopCnt = 0
 wait_dnode2_ready:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then
+  return -1
+endi
+
 sql show dnodes
 if $rows != 3 then
   sleep 2000

tests/script/unique/arbitrator/offline_replica2_alterTable_online.sim

@@ -99,7 +99,13 @@ endi
 print ============== step3: stop dnode4 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
+
+$loopCnt = 0
 wait_dnode4_offline_0:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then
+  return -1
+endi
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -160,7 +166,12 @@ $totalRows = $totalRows + $addRows
 print ============== step5: restart dnode4, waiting dnode4 synced
 system sh/exec.sh -n dnode4 -s start
 
+$loopCnt = 0
 wait_dnode4_ready:
+$loopCnt = $loopCnt + 1
+if $loopCnt == 10 then
+  return -1
+endi
 sql show dnodes
 if $rows != 3 then
   sleep 2000

tests/script/unique/arbitrator/offline_replica2_alterTag_online.sim

@@ -100,7 +100,12 @@ endi
 print ============== step3: stop dnode4 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
+$cnt = 0
 wait_dnode4_offline_0:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -123,7 +128,12 @@ if $dnode4Status != offline then
   goto wait_dnode4_offline_0
 endi
 
+$cnt = 0
 wait_dnode4_vgroup_offline:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show vgroups
 if $rows != 1 then
   sleep 2000
@@ -187,7 +197,12 @@ endi
 print ============== step5: restart dnode4, waiting dnode4 synced
 system sh/exec.sh -n dnode4 -s start
 
+$cnt = 0
 wait_dnode4_ready:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 3 then
   sleep 2000

tests/script/unique/arbitrator/offline_replica2_createTable_online.sim

@@ -101,7 +101,12 @@ endi
 print ============== step3: stop dnode4 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
+$cnt = 0
 wait_dnode4_offline_0:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -124,7 +129,12 @@ if $dnode4Status != offline then
   goto wait_dnode4_offline_0
 endi
 
+$cnt = 0
 wait_dnode4_vgroup_offline:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show vgroups
 if $rows != 1 then
   sleep 2000
@@ -174,7 +184,12 @@ endi
 print ============== step5: restart dnode4, waiting dnode4 synced
 system sh/exec.sh -n dnode4 -s start
 
+$cnt = 0
 wait_dnode4_ready:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 3 then
   sleep 2000

tests/script/unique/arbitrator/offline_replica2_dropDb_online.sim

@@ -99,7 +99,12 @@ endi
 print ============== step3: stop dnode4 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
+$cnt = 0
 wait_dnode4_offline_0:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -122,7 +127,12 @@ if $dnode4Status != offline then
   goto wait_dnode4_offline_0
 endi
 
+$cnt = 0
 wait_dnode4_vgroup_offline:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show vgroups
 if $rows != 1 then
   sleep 2000

tests/script/unique/arbitrator/offline_replica2_dropTable_online.sim

@@ -99,7 +99,12 @@ endi
 print ============== step3: stop dnode4 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
+$cnt = 0
 wait_dnode4_offline_0:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -122,7 +127,12 @@ if $dnode4Status != offline then
   goto wait_dnode4_offline_0
 endi
 
+$cnt = 0
 wait_dnode4_vgroup_offline:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show vgroups
 if $rows != 1 then
   sleep 2000
@@ -158,7 +168,12 @@ $tblNum = $tblNum - 5
 print ============== step5: restart dnode4, waiting dnode4 synced
 system sh/exec.sh -n dnode4 -s start
 
+$cnt = 0
 wait_dnode4_ready:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 3 then
   sleep 2000

tests/script/unique/arbitrator/offline_replica3_alterTable_online.sim

@@ -99,7 +99,12 @@ endi
 print ============== step3: stop dnode4 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
+$cnt = 0
 wait_dnode4_offline_0:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 4 then
   sleep 2000
@@ -122,7 +127,12 @@ if $dnode4Status != offline then
   goto wait_dnode4_offline_0
 endi
 
+$cnt = 0
 wait_dnode4_vgroup_offline:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show vgroups
 if $rows != 1 then
   sleep 2000
@@ -160,7 +170,12 @@ $totalRows = $totalRows + $addRows
 print ============== step5: restart dnode4, waiting dnode4 synced
 system sh/exec.sh -n dnode4 -s start
 
+$cnt = 0
 wait_dnode4_ready:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 4 then
   sleep 2000

tests/script/unique/arbitrator/offline_replica3_alterTag_online.sim

@@ -100,7 +100,12 @@ endi
 print ============== step3: stop dnode4 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
+$cnt = 0
 wait_dnode4_offline_0:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 4 then
   sleep 2000
@@ -123,7 +128,12 @@ if $dnode4Status != offline then
   goto wait_dnode4_offline_0
 endi
 
+$cnt = 0
 wait_dnode4_vgroup_offline:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show vgroups
 if $rows != 1 then
   sleep 2000
@@ -187,7 +197,12 @@ endi
 print ============== step5: restart dnode4, waiting dnode4 synced
 system sh/exec.sh -n dnode4 -s start
 
+$cnt = 0
 wait_dnode4_ready:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 4 then
   sleep 2000

tests/script/unique/arbitrator/offline_replica3_createTable_online.sim

@@ -100,7 +100,12 @@ endi
 print ============== step3: stop dnode4 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
+$cnt = 0
 wait_dnode4_offline_0:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 4 then
   sleep 2000
@@ -123,7 +128,12 @@ if $dnode4Status != offline then
   goto wait_dnode4_offline_0
 endi
 
+$cnt = 0
 wait_dnode4_vgroup_offline:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show vgroups
 if $rows != 1 then
   sleep 2000
@@ -173,7 +183,12 @@ endi
 print ============== step5: restart dnode4, waiting dnode4 synced
 system sh/exec.sh -n dnode4 -s start
 
+$cnt = 0
 wait_dnode4_ready:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 4 then
   sleep 2000

tests/script/unique/arbitrator/offline_replica3_dropDb_online.sim

@@ -99,7 +99,12 @@ endi
 print ============== step3: stop dnode4 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
+$cnt = 0
 wait_dnode4_offline_0:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 4 then
   sleep 2000
@@ -122,7 +127,12 @@ if $dnode4Status != offline then
   goto wait_dnode4_offline_0
 endi
 
+$cnt = 0
 wait_dnode4_vgroup_offline:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show vgroups
 if $rows != 1 then
   sleep 2000

tests/script/unique/arbitrator/offline_replica3_dropTable_online.sim

@@ -99,7 +99,12 @@ endi
 print ============== step3: stop dnode4 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
+$cnt = 0
 wait_dnode4_offline_0:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 4 then
   sleep 2000
@@ -122,7 +127,12 @@ if $dnode4Status != offline then
   goto wait_dnode4_offline_0
 endi
 
+$cnt = 0
 wait_dnode4_vgroup_offline:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show vgroups
 if $rows != 1 then
   sleep 2000
@@ -158,7 +168,12 @@ $tblNum = $tblNum - 5
 print ============== step5: restart dnode4, waiting dnode4 synced
 system sh/exec.sh -n dnode4 -s start
 
+$cnt = 0
 wait_dnode4_ready:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 4 then
   sleep 2000

tests/script/unique/arbitrator/replica_changeWithArbitrator.sim

@@ -7,6 +7,7 @@ system sh/deploy.sh -n dnode4 -i 4
 system sh/cfg.sh -n dnode1 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode2 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode3 -c numOfMnodes -v 1
+system sh/cfg.sh -n dnode4 -c numOfMnodes -v 1
 
 system sh/cfg.sh -n dnode1 -c walLevel -v 2
 system sh/cfg.sh -n dnode2 -c walLevel -v 2
@@ -24,9 +25,9 @@ system sh/cfg.sh -n dnode3 -c numOfTotalVnodes -v 8
 system sh/cfg.sh -n dnode4 -c numOfTotalVnodes -v 8
 
 system sh/cfg.sh -n dnode1 -c mnodeEqualVnodeNum -v 4
-#system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
-#system sh/cfg.sh -n dnode3 -c mnodeEqualVnodeNum -v 4
-#system sh/cfg.sh -n dnode4 -c mnodeEqualVnodeNum -v 4
+system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
+system sh/cfg.sh -n dnode3 -c mnodeEqualVnodeNum -v 4
+system sh/cfg.sh -n dnode4 -c mnodeEqualVnodeNum -v 4
 
 system sh/cfg.sh -n dnode1 -c alternativeRole -v 0
 system sh/cfg.sh -n dnode2 -c alternativeRole -v 0
@@ -37,11 +38,21 @@ system sh/cfg.sh -n dnode1 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode2 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode3 -c maxtablesPerVnode -v 4
 system sh/cfg.sh -n dnode4 -c maxtablesPerVnode -v 4
-system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 4
 
 system sh/cfg.sh -n dnode1 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode2 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode3 -c arbitrator -v $arbitrator
+system sh/cfg.sh -n dnode4 -c arbitrator -v $arbitrator
+
+system sh/cfg.sh -n dnode1 -c offlineThreshold -v 8
+system sh/cfg.sh -n dnode2 -c offlineThreshold -v 8
+system sh/cfg.sh -n dnode3 -c offlineThreshold -v 8
+system sh/cfg.sh -n dnode4 -c offlineThreshold -v 8
+
+system sh/cfg.sh -n dnode1 -c statusInterval -v 3
+system sh/cfg.sh -n dnode2 -c statusInterval -v 3
+system sh/cfg.sh -n dnode3 -c statusInterval -v 3
+system sh/cfg.sh -n dnode4 -c statusInterval -v 3
 
 print ============== step0: start tarbitrator
 system sh/exec_tarbitrator.sh -s start
@@ -96,7 +107,12 @@ sql create dnode $hostname2
 sleep 3000
 
 # expect after balanced, 2 vondes in dnode1, 1 vonde in dnode2
+$cnt = 0
 wait_dnode2_ready:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 2 then
   sleep 2000
@@ -105,14 +121,8 @@ endi
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
 print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
-#print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
-#print $data0_5  $data1_5  $data2_5  $data3_5  $data4_5
-#print $data0_6  $data1_6  $data2_6  $data3_6  $data4_6
 $dnode1Status = $data4_1  
 $dnode2Status = $data4_2
-#$dnode3Status = $data4_3  
-#$dnode4Status = $data4_4 
-#$dnode5Status = $data4_5
 
 if $dnode1Status != ready then
   sleep 2000
@@ -123,7 +133,7 @@ if $dnode2Status != ready then
   goto wait_dnode2_ready
 endi
 
-print ============== step3: stop dnode1/dnode2, modify cfg mpeers to 2, and restart dnode1/dnode2
+print ============== step3: stop dnode1/dnode2, modify cfg numOfMnodes to 2, and restart dnode1/dnode2
 system sh/exec.sh -n dnode1 -s stop
 system sh/exec.sh -n dnode2 -s stop
 sleep 3000
@@ -143,7 +153,12 @@ sleep 5000
 
 
 print ============= step4: wait dnode ready
+$cnt = 0
 wait_dnode_ready:
+$cnt = $cnt + 1
+if $cnt == 10 then
+  return -1
+endi
 sql show dnodes
 if $rows != 2 then
   sleep 2000
@@ -180,7 +195,12 @@ print ============== step5: stop dnode1
 system sh/exec.sh -n dnode1 -s stop
 sleep 3000
 
+$cnt = 0
 wait_dnode2_master:
+$cnt = $cnt + 1
+if $cnt == 10 then
+  return -1
+endi
 sql show mnodes
 if $rows != 2 then
   sleep 2000

tests/script/unique/arbitrator/sync_replica2_alterTable_add.sim

@@ -99,7 +99,12 @@ endi
 print ============== step3: stop dnode4 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
+$cnt = 0
 wait_dnode4_offline_0:
+$cnt = $cnt + 1
+if $cnt == 10 then
+  return -1
+endi
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -122,7 +127,12 @@ if $dnode4Status != offline then
   goto wait_dnode4_offline_0
 endi
 
+$cnt = 0
 wait_dnode4_vgroup_offline:
+$cnt = $cnt + 1
+if $cnt == 10 then
+  return -1
+endi
 sql show vgroups
 if $rows != 1 then
   sleep 2000

tests/script/unique/arbitrator/sync_replica2_alterTable_drop.sim

@@ -99,7 +99,12 @@ endi
 print ============== step3: stop dnode4 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
+$cnt = 0
 wait_dnode4_offline_0:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -122,7 +127,12 @@ if $dnode4Status != offline then
   goto wait_dnode4_offline_0
 endi
 
+$cnt = 0
 wait_dnode4_vgroup_offline:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show vgroups
 if $rows != 1 then
   sleep 2000
@@ -172,7 +182,7 @@ system sh/exec.sh -n dnode4 -s start
 run_back unique/arbitrator/sync_replica_alterTable_background_drop.sim
 
 print ============== step6: check result
-#in background.sim, drop one column and add one new column, then insert 200 rows
+#in background.sim, drop one column and add one new column, then insert 36 rows
 $totalRows = $totalRows + 36
 
 $cnt = 0

tests/script/unique/arbitrator/sync_replica2_dropDb.sim

@@ -99,7 +99,12 @@ endi
 print ============== step3: stop dnode4 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
+$cnt = 0
 wait_dnode4_offline_0:
+$cnt = $cnt + 1
+if $cnt == 10 then
+  return -1
+endi
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -122,7 +127,12 @@ if $dnode4Status != offline then
   goto wait_dnode4_offline_0
 endi
 
+$cnt = 0
 wait_dnode4_vgroup_offline:
+$cnt = $cnt + 1
+if $cnt == 10 then
+  return -1
+endi
 sql show vgroups
 if $rows != 1 then
   sleep 2000

tests/script/unique/arbitrator/sync_replica2_dropTable.sim

@@ -99,7 +99,12 @@ endi
 print ============== step3: stop dnode4 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
+$cnt = 0
 wait_dnode4_offline_0:
+$cnt = $cnt + 1
+if $cnt == 10 then
+  return -1
+endi
 sql show dnodes
 if $rows != 3 then
   sleep 2000
@@ -122,7 +127,12 @@ if $dnode4Status != offline then
   goto wait_dnode4_offline_0
 endi
 
+$cnt = 0
 wait_dnode4_vgroup_offline:
+$cnt = $cnt + 1
+if $cnt == 10 then
+  return -1
+endi
 sql show vgroups
 if $rows != 1 then
   sleep 2000

tests/script/unique/arbitrator/sync_replica3_alterTable_add.sim

@@ -99,7 +99,12 @@ endi
 print ============== step3: stop dnode4 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
+$cnt = 0
 wait_dnode4_offline_0:
+$cnt = $cnt + 1
+if $cnt == 10 then
+  return -1
+endi
 sql show dnodes
 if $rows != 4 then
   sleep 2000
@@ -122,7 +127,12 @@ if $dnode4Status != offline then
   goto wait_dnode4_offline_0
 endi
 
+$cnt = 0
 wait_dnode4_vgroup_offline:
+$cnt = $cnt + 1
+if $cnt == 10 then
+  return -1
+endi
 sql show vgroups
 if $rows != 1 then
   sleep 2000
@@ -162,7 +172,7 @@ while $i < $tblNum
 endw 
 
 sql select count(*) from $stb
-print data00 $data00
+print data00:$data00   totalRows:$totalRows 
 if $data00 != $totalRows then
 	return -1
 endi
@@ -172,7 +182,7 @@ system sh/exec.sh -n dnode4 -s start
 run_back unique/arbitrator/sync_replica_alterTable_background_add.sim
 
 print ============== step6: check result
-#in background.sim, add one column and insert 200 rows
+#in background.sim, add one column and insert 36 rows
 $totalRows = $totalRows + 36
 
 $cnt = 0
@@ -183,7 +193,7 @@ if $cnt == 20 then
 endi
 sql select count(*) from $stb
 if $data00 != $totalRows then
-  print data00: $data00 totalRows: $totalRows
+  print data00:$data00   totalRows:$totalRows 
 	sleep 2000
 	goto wait_table_altered
 endi

tests/script/unique/arbitrator/sync_replica3_alterTable_drop.sim

@@ -99,7 +99,12 @@ endi
 print ============== step3: stop dnode4 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
+$cnt = 0
 wait_dnode4_offline_0:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show dnodes
 if $rows != 4 then
   sleep 2000
@@ -122,7 +127,12 @@ if $dnode4Status != offline then
   goto wait_dnode4_offline_0
 endi
 
+$cnt = 0
 wait_dnode4_vgroup_offline:
+$cnt = $cnt + 1
+if $cnt == 20 then
+  return -1
+endi
 sql show vgroups
 if $rows != 1 then
   sleep 2000

tests/script/unique/arbitrator/sync_replica3_dropDb.sim

@@ -99,7 +99,12 @@ endi
 print ============== step3: stop dnode4 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
+$cnt = 0
 wait_dnode4_offline_0:
+$cnt = $cnt + 1
+if $cnt == 10 then
+  return -1
+endi
 sql show dnodes
 if $rows != 4 then
   sleep 2000
@@ -122,7 +127,12 @@ if $dnode4Status != offline then
   goto wait_dnode4_offline_0
 endi
 
+$cnt = 0
 wait_dnode4_vgroup_offline:
+$cnt = $cnt + 1
+if $cnt == 10 then
+  return -1
+endi
 sql show vgroups
 if $rows != 1 then
   sleep 2000

tests/script/unique/arbitrator/sync_replica3_dropTable.sim

@@ -99,7 +99,12 @@ endi
 print ============== step3: stop dnode4 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
 sleep $sleepTimer
+$cnt = 0
 wait_dnode4_offline_0:
+$cnt = $cnt + 1
+if $cnt == 10 then
+  return -1
+endi
 sql show dnodes
 if $rows != 4 then
   sleep 2000
@@ -122,7 +127,12 @@ if $dnode4Status != offline then
   goto wait_dnode4_offline_0
 endi
 
+$cnt = 0
 wait_dnode4_vgroup_offline:
+$cnt = $cnt + 1
+if $cnt == 10 then
+  return -1
+endi
 sql show vgroups
 if $rows != 1 then
   sleep 2000
@@ -143,7 +153,7 @@ if $dnode3Vtatus != master then
   sleep 2000
   goto wait_dnode4_vgroup_offline
 endi
-sleep 2000
+
 print ============== step4: insert more data rows
 $tsStart = $tsEnd + 1000
 $i = 0
@@ -162,17 +172,17 @@ while $i < $tblNum
 endw 
 
 sql select count(*) from $stb
-print data00 $data00
+print data00:$data00  totalRows:$totalRows
 if $data00 != $totalRows then
 	return -1
 endi
 
-print ============== step5: restart dnode4, while drop database in other thead when dnode4 is syncing
+print ============== step5: restart dnode4, while drop some tables in other thread when dnode4 is syncing
 system sh/exec.sh -n dnode4 -s start
 run_back unique/arbitrator/sync_replica_dropTable_background.sim
 
 print ============== step6: check result
-#in background.sim, drop 10 tables
+#in background.sim, drop 5 tables
 $totalRows = $totalRows - 5400
 
 $cnt = 0
@@ -183,7 +193,7 @@ if $cnt == 20 then
 endi
 sql select count(*) from $stb
 if $data00 != $totalRows then
-  print data00: $data00
+  print data00:$data00  totalRows:$totalRows
 	sleep 2000
 	goto wait_table_dropped
 endi
@@ -191,7 +201,7 @@ endi
 $tblNum = $tblNum - 5
 sql select count(tbname) from $stb
 if $data00 != $tblNum then
-  print data00: $data00
+  print data00: $data00   tblNum: $tblNum
 	sleep 2000
 	goto wait_table_dropped
 endi

tests/script/unique/arbitrator/testSuite.sim

+run unique/arbitrator/check_cluster_cfg_para.sim
 run unique/arbitrator/dn2_mn1_cache_file_sync.sim
-run unique/arbitrator/dn2_mn1_cache_file_sync_second.sim
 run unique/arbitrator/dn3_mn1_full_createTableFail.sim
 run unique/arbitrator/dn3_mn1_full_dropDnodeFail.sim
 run unique/arbitrator/dn3_mn1_multiCreateDropTable.sim
@@ -11,7 +11,7 @@ run unique/arbitrator/dn3_mn1_stopDnode_timeout.sim
 run unique/arbitrator/dn3_mn1_vnode_change.sim
 run unique/arbitrator/dn3_mn1_vnode_corruptFile_offline.sim
 run unique/arbitrator/dn3_mn1_vnode_corruptFile_online.sim
-####run unique/arbitrator/dn3_mn1_vnode_delDir.sim
+run unique/arbitrator/dn3_mn1_vnode_delDir.sim
 run unique/arbitrator/dn3_mn1_vnode_nomaster.sim
 run unique/arbitrator/dn3_mn2_killDnode.sim
 run unique/arbitrator/insert_duplicationTs.sim
@@ -33,4 +33,4 @@ run unique/arbitrator/sync_replica2_dropTable.sim
 run unique/arbitrator/sync_replica3_alterTable_add.sim
 run unique/arbitrator/sync_replica3_alterTable_drop.sim
 run unique/arbitrator/sync_replica3_dropDb.sim
-run unique/arbitrator/sync_replica3_dropTable.sim
+run unique/arbitrator/sync_replica3_dropTable.sim
\ No newline at end of file

tests/script/unique/dnode/balance3.sim

@@ -177,7 +177,6 @@ endi
 
 print ========== step5
 sql create dnode $hostname6
-system sh/deploy.sh -n dnode6 -i 6
 system sh/exec.sh -n dnode6 -s start
 
 $x = 0

tests/test/c/insertPerRow.c

@@ -33,6 +33,7 @@ typedef struct {
   int       threadIndex;
   char      dbName[32];
   char      stableName[64];
+  float     createTableSpeed;
   pthread_t thread;
 } SInfo;
 
@@ -49,8 +50,8 @@ int64_t numOfThreads = 1;
 int64_t numOfTablesPerThread = 200;
 char    dbName[32] = "db";
 char    stableName[64] = "st";
-int32_t cache = 16384;
-int32_t tables = 1000;
+int32_t cache = 16;
+int32_t tables = 5000;
 
 int main(int argc, char *argv[]) {
   shellParseArgument(argc, argv);
@@ -63,9 +64,8 @@ int main(int argc, char *argv[]) {
 void createDbAndTable() {
   pPrint("start to create table");
 
+  TAOS_RES *     pSql;
   TAOS *         con;
-  struct timeval systemTime;
-  int64_t        st, et;
   char           qstr[64000];
 
   char fqdn[TSDB_FQDN_LEN];
@@ -77,22 +77,24 @@ void createDbAndTable() {
     exit(1);
   }
 
-  sprintf(qstr, "create database if not exists %s cache %d tables %d", dbName, cache, tables);
-  if (taos_query(con, qstr)) {
-    pError("failed to create database:%s, code:%d reason:%s", dbName, taos_errno(con), taos_errstr(con));
+  sprintf(qstr, "create database if not exists %s cache %d maxtables %d", dbName, cache, tables);
+  pSql = taos_query(con, qstr);
+  int32_t code = taos_errno(pSql);
+  if (code != 0) {
+    pError("failed to create database:%s, sql:%s, code:%d reason:%s", dbName, qstr, taos_errno(con), taos_errstr(con));
     exit(0);
   }
+  taos_free_result(pSql);
 
   sprintf(qstr, "use %s", dbName);
-  if (taos_query(con, qstr)) {
+  pSql = taos_query(con, qstr);
+  code = taos_errno(pSql);
+  if (code != 0) {
     pError("failed to use db, code:%d reason:%s", taos_errno(con), taos_errstr(con));
     exit(0);
   }
+  taos_free_result(pSql);
 
-  gettimeofday(&systemTime, NULL);
-  st = systemTime.tv_sec * 1000000 + systemTime.tv_usec;
-  int64_t totalTables = numOfTablesPerThread * numOfThreads;
-    
   if (strcmp(stableName, "no") != 0) {
     int len = sprintf(qstr, "create table if not exists %s(ts timestamp", stableName);
     for (int64_t f = 0; f < pointsPerTable; ++f) {
@@ -100,36 +102,14 @@ void createDbAndTable() {
     }
     sprintf(qstr + len, ") tags(t int)");
 
-    if (taos_query(con, qstr)) {
+    pSql = taos_query(con, qstr);
+    code = taos_errno(pSql);
+    if (code != 0) {
       pError("failed to create stable, code:%d reason:%s", taos_errno(con), taos_errstr(con));
       exit(0);
     }
-    
-    for (int64_t t = 0; t < totalTables; ++t) {
-      sprintf(qstr, "create table if not exists %s%ld using %s tags(%ld)", stableName, t, stableName, t);
-      if (taos_query(con, qstr)) {
-        pError("failed to create table %s%d, reason:%s", stableName, t, taos_errstr(con));
-        exit(0);
-      }
-    }
-  } else {
-    for (int64_t t = 0; t < totalTables; ++t) {
-      int len = sprintf(qstr, "create table if not exists %s%ld(ts timestamp", stableName, t);
-      for (int64_t f = 0; f < pointsPerTable; ++f) {
-        len += sprintf(qstr + len, ", f%ld double", f);
-      }
-      sprintf(qstr + len, ")");
-
-      if (taos_query(con, qstr)) {
-        pError("failed to create table %s%ld, reason:%s", stableName, t, taos_errstr(con));
-        exit(0);
-      }
-    }
+    taos_free_result(pSql);
   }
-
-  gettimeofday(&systemTime, NULL);
-  et = systemTime.tv_sec * 1000000 + systemTime.tv_usec;
-  pPrint("%.1f seconds to create %ld tables", (et - st) / 1000.0 / 1000.0, totalTables);
 }
 
 void insertData() {
@@ -144,7 +124,7 @@ void insertData() {
   pthread_attr_t thattr;
   pthread_attr_init(&thattr);
   pthread_attr_setdetachstate(&thattr, PTHREAD_CREATE_JOINABLE);
-  SInfo *pInfo = (SInfo *)malloc(sizeof(SInfo) * numOfThreads);
+  SInfo *pInfo = (SInfo *)calloc(numOfThreads, sizeof(SInfo));
 
   // Start threads to write
   for (int i = 0; i < numOfThreads; ++i) {
@@ -173,10 +153,15 @@ void insertData() {
   double  speedOfRows = totalRows / seconds;
   double  speedOfPoints = totalPoints / seconds;
 
+  float createTableSpeed = 0;
+  for (int i = 0; i < numOfThreads; ++i) {
+    createTableSpeed += pInfo[i].createTableSpeed;
+  }
+
   pPrint(
       "%sall threads:%ld finished, use %.1lf seconds, tables:%.ld rows:%ld points:%ld, speed RowsPerSecond:%.1lf "
-      "PointsPerSecond:%.1lf%s",
-      GREEN, numOfThreads, seconds, totalTables, totalRows, totalPoints, speedOfRows, speedOfPoints, NC);
+      "PointsPerSecond:%.1lf CreateTableSpeed:%.1f t/s %s",
+      GREEN, numOfThreads, seconds, totalTables, totalRows, totalPoints, speedOfRows, speedOfPoints, createTableSpeed, NC);
 
   pPrint("threads exit");
 
@@ -191,6 +176,7 @@ void *syncTest(void *param) {
   int64_t        st, et;
   char           qstr[65000];
   int            maxBytes = 60000;
+  int            code;
 
   pPrint("thread:%d, start to run", pInfo->threadIndex);
 
@@ -210,6 +196,48 @@ void *syncTest(void *param) {
   gettimeofday(&systemTime, NULL);
   st = systemTime.tv_sec * 1000000 + systemTime.tv_usec;
 
+  if (strcmp(stableName, "no") != 0) {
+    for (int64_t t = pInfo->tableBeginIndex; t < pInfo->tableEndIndex; ++t) {
+      sprintf(qstr, "create table if not exists %s%ld using %s tags(%ld)", stableName, t, stableName, t);
+      TAOS_RES *pSql = taos_query(con, qstr);
+      code = taos_errno(pSql);
+      if (code != 0) {
+        pError("failed to create table %s%d, reason:%s", stableName, t, taos_errstr(con));
+        exit(0);
+      }
+      taos_free_result(pSql);
+    }
+  } else {
+    for (int64_t t = pInfo->tableBeginIndex; t < pInfo->tableEndIndex; ++t) {
+      int len = sprintf(qstr, "create table if not exists %s%ld(ts timestamp", stableName, t);
+      for (int64_t f = 0; f < pointsPerTable; ++f) {
+        len += sprintf(qstr + len, ", f%ld double", f);
+      }
+      sprintf(qstr + len, ")");
+
+      TAOS_RES *pSql = taos_query(con, qstr);
+      code = taos_errno(pSql);
+      if (code != 0) {
+        pError("failed to create table %s%ld, reason:%s", stableName, t, taos_errstr(con));
+        exit(0);
+      }
+      taos_free_result(pSql);
+    }
+  }
+
+  gettimeofday(&systemTime, NULL);
+  et = systemTime.tv_sec * 1000000 + systemTime.tv_usec;
+  float seconds = (et - st) / 1000.0 / 1000.0;
+  int64_t tables = pInfo->tableEndIndex - pInfo->tableBeginIndex;
+  pInfo->createTableSpeed = (float)tables / seconds;
+  pPrint("thread:%d, %.1f seconds to create %ld tables, speed:%.1f", pInfo->threadIndex, seconds, tables,
+         pInfo->createTableSpeed);
+
+  if (pInfo->rowsPerTable == 0) return NULL;       
+
+  gettimeofday(&systemTime, NULL);
+  st = systemTime.tv_sec * 1000000 + systemTime.tv_usec;
+
   int64_t start = 1430000000000;
   int64_t interval = 1000;  // 1000 ms
 
@@ -227,10 +255,13 @@ void *syncTest(void *param) {
       }
       len += sprintf(sql + len, ")");
       if (len > maxBytes) {
-        if (taos_query(con, qstr)) {
+        TAOS_RES *pSql = taos_query(con, qstr);
+        int32_t code = taos_errno(pSql);
+        if (code != 0) {
           pError("thread:%d, failed to insert table:%s%ld row:%ld, reason:%s", pInfo->threadIndex, pInfo->stableName,
                  table, row, taos_errstr(con));
         }
+        taos_free_result(pSql);
 
         // "insert into"
         len = sprintf(sql, "%s", inserStr);
@@ -239,7 +270,8 @@ void *syncTest(void *param) {
   }
 
   if (len != strlen(inserStr)) {
-    taos_query(con, qstr);
+    TAOS_RES *pSql = taos_query(con, qstr);
+    taos_free_result(pSql);
   }
 
   gettimeofday(&systemTime, NULL);