diff --git a/importSampleData/app/main.go b/importSampleData/app/main.go
index aef413320710012fec79e56677e16864a881ca8f..d714fc339c177f8a22f46215f5ef9ce3f2ade825 100644
--- a/importSampleData/app/main.go
+++ b/importSampleData/app/main.go
@@ -18,7 +18,7 @@ import (
 	"sync"
 	"time"
 
-	_ "github.com/taosdata/TDengine/src/connector/go/src/taosSql"
+	_ "github.com/taosdata/TDengine/src/connector/go/taosSql"
 )
 
 const (
@@ -634,6 +634,7 @@ func insertData(threadIndex, start, end int, wg  *sync.WaitGroup, successRows []
 					if  appendRows == batch {
 						// executebatch
 						insertSql := buffers.String()
+						connection.Exec("use " + db)
 						affectedRows := executeBatchInsert(insertSql, connection)
 
 						successRows[threadIndex] += affectedRows
@@ -658,6 +659,7 @@ func insertData(threadIndex, start, end int, wg  *sync.WaitGroup, successRows []
 		if  appendRows > 0 {
 			// executebatch
 			insertSql := buffers.String()
+			connection.Exec("use " + db)
 			affectedRows := executeBatchInsert(insertSql, connection)
 			
 			successRows[threadIndex] += affectedRows
diff --git a/importSampleData/bin/taosimport b/importSampleData/bin/taosimport
index b042549341bced364e0fd77909b115d1b5b6dc04..235fde9f06ce00cde32057c0a4a91060dd771b41 100755
Binary files a/importSampleData/bin/taosimport and b/importSampleData/bin/taosimport differ
diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index 417108dfce9b6382acf4c274b72174f281d4f0d3..4cb2775ca24fbda4852635c4d349eaaf39c3c460 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -238,9 +238,8 @@ void tscProcessMsgFromServer(SRpcMsg *rpcMsg, SRpcIpSet *pIpSet) {
   } else {
     STableMetaInfo *pTableMetaInfo = tscGetTableMetaInfoFromCmd(pCmd, pCmd->clauseIndex, 0);
     if (rpcMsg->code == TSDB_CODE_NOT_ACTIVE_TABLE || rpcMsg->code == TSDB_CODE_INVALID_TABLE_ID ||
-        rpcMsg->code == TSDB_CODE_INVALID_VNODE_ID || rpcMsg->code == TSDB_CODE_NOT_ACTIVE_VNODE ||
-        rpcMsg->code == TSDB_CODE_NETWORK_UNAVAIL || rpcMsg->code == TSDB_CODE_NOT_ACTIVE_TABLE ||
-        rpcMsg->code == TSDB_CODE_TABLE_ID_MISMATCH) {
+        rpcMsg->code == TSDB_CODE_INVALID_VGROUP_ID || rpcMsg->code == TSDB_CODE_NOT_ACTIVE_VNODE ||
+        rpcMsg->code == TSDB_CODE_NETWORK_UNAVAIL || rpcMsg->code == TSDB_CODE_TABLE_ID_MISMATCH) {
       /*
        * not_active_table: 1. the virtual node may fail to create table, since the procedure of create table is asynchronized,
        *                   the virtual node may have not create table till now, so try again by using the new metermeta.
diff --git a/src/client/src/tscSql.c b/src/client/src/tscSql.c
index a9ec33c078c2192054efc885250a3e994b947784..7534a324099fff01cf4ca47a1da51800ec3c3fb7 100644
--- a/src/client/src/tscSql.c
+++ b/src/client/src/tscSql.c
@@ -591,7 +591,10 @@ void taos_free_result_imp(TAOS_RES *res, int keepCmd) {
     tscProcessSql(pSql);
   
     // waits for response and then goes on
-    sem_wait(&pSql->rspSem);
+    STscObj* pTscObj = pSql->pTscObj;
+    if (pTscObj->pSql == pSql) {
+      sem_wait(&pSql->rspSem);
+    }
   } else { // if no free resource msg is sent to vnode, we free this object immediately.
     STscObj* pTscObj = pSql->pTscObj;
     
diff --git a/src/client/src/tscSystem.c b/src/client/src/tscSystem.c
index 2ca53bade1afd41da59f20f270e88428e63d4f02..75249e44eefd86f1e8ff1cc30e230ed01c5fcac4 100644
--- a/src/client/src/tscSystem.c
+++ b/src/client/src/tscSystem.c
@@ -57,9 +57,9 @@ int32_t tscInitRpc(const char *user, const char *secret, void** pDnodeConn) {
     memset(&rpcInit, 0, sizeof(rpcInit));
     rpcInit.localPort = 0;
     rpcInit.label = "TSC";
-    rpcInit.numOfThreads = tscNumOfThreads;
+    rpcInit.numOfThreads = 1;  // every DB connection has only one thread
     rpcInit.cfp = tscProcessMsgFromServer;
-    rpcInit.sessions = tsMaxVnodeConnections;
+    rpcInit.sessions = tsMaxConnections;
     rpcInit.connType = TAOS_CONN_CLIENT;
     rpcInit.user = (char*)user;
     rpcInit.idleTime = 2000;
@@ -121,7 +121,7 @@ void taos_init_imp() {
   } 
 
   tscInitMsgsFp();
-  int queueSize = tsMaxVnodeConnections + tsMaxMeterConnections + tsMaxMgmtConnections + tsMaxMgmtConnections;
+  int queueSize = tsMaxConnections*2;
 
   if (tscEmbedded == 0) {
     tscNumOfThreads = tsNumOfCores * tsNumOfThreadsPerCore / 2.0;
@@ -137,7 +137,7 @@ void taos_init_imp() {
     return;
   }
 
-  tscTmr = taosTmrInit(tsMaxMgmtConnections * 2, 200, 60000, "TSC");
+  tscTmr = taosTmrInit(tsMaxConnections * 2, 200, 60000, "TSC");
   if(0 == tscEmbedded){
     taosTmrReset(tscCheckDiskUsage, 10, NULL, tscTmr, &tscCheckDiskUsageTmr);      
   }
diff --git a/src/common/inc/tglobal.h b/src/common/inc/tglobal.h
index 3cae25aead8dece71afcac1fa34a3925f0b1171f..0af8430ab176ef266f77230e6500fb7a46ad3165 100644
--- a/src/common/inc/tglobal.h
+++ b/src/common/inc/tglobal.h
@@ -87,16 +87,14 @@ extern int16_t tsWAL;
 extern int32_t tsReplications;
 
 extern int16_t tsAffectedRowsMod;
-extern int32_t tsNumOfMPeers;
+extern int32_t tsNumOfMnodes;
 extern int32_t tsMaxShellConns;
 extern int32_t tsMaxTables;
 
 extern char tsDefaultDB[];
 extern char tsDefaultUser[];
 extern char tsDefaultPass[];
-extern int32_t tsMaxMeterConnections;
-extern int32_t tsMaxVnodeConnections;
-extern int32_t tsMaxMgmtConnections;
+extern int32_t tsMaxConnections;
 
 extern int32_t tsBalanceInterval;
 extern int32_t tsOfflineThreshold;
diff --git a/src/common/src/tglobal.c b/src/common/src/tglobal.c
index f439d26606ac3d424604920e742c2e249f30e3ff..2b4e59e92addcf91ed0bc75f41b42b80e9f31f31 100644
--- a/src/common/src/tglobal.c
+++ b/src/common/src/tglobal.c
@@ -105,15 +105,13 @@ int32_t tsReplications  = TSDB_DEFAULT_REPLICA_NUM;
  * 1: affected rows include those duplicate records
  */
 int16_t tsAffectedRowsMod = 0;
-int32_t tsNumOfMPeers = 3;
-int32_t tsMaxShellConns = 2000;
+int32_t tsNumOfMnodes = 3;
+int32_t tsMaxShellConns = 5000;
 
 char    tsDefaultDB[TSDB_DB_NAME_LEN] = {0};
 char    tsDefaultUser[64] = "root";
 char    tsDefaultPass[64] = "taosdata";
-int32_t tsMaxMeterConnections = 10000;
-int32_t tsMaxMgmtConnections = 2000;
-int32_t tsMaxVnodeConnections = 10000;
+int32_t tsMaxConnections = 50;
 
 int32_t tsBalanceInterval = 300;  // seconds
 int32_t tsOfflineThreshold = 86400*100;   // seconds 10days
@@ -407,8 +405,8 @@ static void doInitGlobalConfig() {
   cfg.unitType = TAOS_CFG_UTYPE_NONE;
   taosInitConfigOption(cfg);
 
-  cfg.option = "numOfMPeers";
-  cfg.ptr = &tsNumOfMPeers;
+  cfg.option = "numOfMnodes";
+  cfg.ptr = &tsNumOfMnodes;
   cfg.valType = TAOS_CFG_VTYPE_INT32;
   cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG | TSDB_CFG_CTYPE_B_SHOW;
   cfg.minValue = 1;
@@ -680,7 +678,7 @@ static void doInitGlobalConfig() {
   cfg.unitType = TAOS_CFG_UTYPE_NONE;
   taosInitConfigOption(cfg);
 
-  cfg.option = "wallevel";
+  cfg.option = "walLevel";
   cfg.ptr = &tsWAL;
   cfg.valType = TAOS_CFG_VTYPE_INT16;
   cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG | TSDB_CFG_CTYPE_B_SHOW;
@@ -814,32 +812,12 @@ static void doInitGlobalConfig() {
   cfg.unitType = TAOS_CFG_UTYPE_NONE;
   taosInitConfigOption(cfg);
 
-  cfg.option = "maxMeterConnections";
-  cfg.ptr = &tsMaxMeterConnections;
+  cfg.option = "maxConnections";
+  cfg.ptr = &tsMaxConnections;
   cfg.valType = TAOS_CFG_VTYPE_INT32;
   cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG | TSDB_CFG_CTYPE_B_SHOW;
-  cfg.minValue = 10;
-  cfg.maxValue = 50000000;
-  cfg.ptrLength = 0;
-  cfg.unitType = TAOS_CFG_UTYPE_NONE;
-  taosInitConfigOption(cfg);
-
-  cfg.option = "maxMgmtConnections";
-  cfg.ptr = &tsMaxMgmtConnections;
-  cfg.valType = TAOS_CFG_VTYPE_INT32;
-  cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG | TSDB_CFG_CTYPE_B_SHOW;
-  cfg.minValue = 10;
-  cfg.maxValue = 50000000;
-  cfg.ptrLength = 0;
-  cfg.unitType = TAOS_CFG_UTYPE_NONE;
-  taosInitConfigOption(cfg);
-
-  cfg.option = "maxVnodeConnections";
-  cfg.ptr = &tsMaxVnodeConnections;
-  cfg.valType = TAOS_CFG_VTYPE_INT32;
-  cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG | TSDB_CFG_CTYPE_B_SHOW;
-  cfg.minValue = 10;
-  cfg.maxValue = 50000000;
+  cfg.minValue = 1;
+  cfg.maxValue = 100;
   cfg.ptrLength = 0;
   cfg.unitType = TAOS_CFG_UTYPE_NONE;
   taosInitConfigOption(cfg);
diff --git a/src/dnode/src/dnodeMgmt.c b/src/dnode/src/dnodeMgmt.c
index c4a07518ea7bf09f1e4dbf5d99ea90690d4c3c17..14c2a725d921f0d7f8215e792daac948df7b71ce 100644
--- a/src/dnode/src/dnodeMgmt.c
+++ b/src/dnode/src/dnodeMgmt.c
@@ -369,7 +369,8 @@ static void dnodeUpdateMnodeInfos(SDMMnodeInfos *pMnodes) {
 }
 
 static bool dnodeReadMnodeInfos() {
-  char ipFile[TSDB_FILENAME_LEN] = {0};
+  char ipFile[TSDB_FILENAME_LEN*2] = {0};
+  
   sprintf(ipFile, "%s/mnodeIpList.json", tsDnodeDir);
   FILE *fp = fopen(ipFile, "r");
   if (!fp) {
@@ -537,7 +538,8 @@ static void dnodeSendStatusMsg(void *handle, void *tmrId) {
 }
 
 static bool dnodeReadDnodeCfg() {
-  char dnodeCfgFile[TSDB_FILENAME_LEN] = {0};
+  char dnodeCfgFile[TSDB_FILENAME_LEN*2] = {0};
+  
   sprintf(dnodeCfgFile, "%s/dnodeCfg.json", tsDnodeDir);
 
   FILE *fp = fopen(dnodeCfgFile, "r");
diff --git a/src/dnode/src/dnodeShell.c b/src/dnode/src/dnodeShell.c
index b875f465c2bbf3e0b3922d4b29eeae3a2cbef0ff..b09e14e2830960d860f2a7c448a2bd1aedf7e7d2 100644
--- a/src/dnode/src/dnodeShell.c
+++ b/src/dnode/src/dnodeShell.c
@@ -84,7 +84,7 @@ int32_t dnodeInitShell() {
   rpcInit.label        = "SHELL";
   rpcInit.numOfThreads = numOfThreads;
   rpcInit.cfp          = dnodeProcessMsgFromShell;
-  rpcInit.sessions     = TSDB_SESSIONS_PER_DNODE;
+  rpcInit.sessions     = tsMaxShellConns;
   rpcInit.connType     = TAOS_CONN_SERVER;
   rpcInit.idleTime     = tsShellActivityTimer * 1000;
   rpcInit.afp          = dnodeRetrieveUserAuthInfo;
@@ -168,6 +168,44 @@ static int dnodeRetrieveUserAuthInfo(char *user, char *spi, char *encrypt, char
   return rpcRsp.code;
 }
 
+void *dnodeSendCfgTableToRecv(int32_t vgId, int32_t sid) {
+  dTrace("vgId:%d, sid:%d send config table msg to mnode", vgId, sid);
+
+  int32_t contLen = sizeof(SDMConfigTableMsg);
+  SDMConfigTableMsg *pMsg = rpcMallocCont(contLen);
+
+  pMsg->dnodeId = htonl(dnodeGetDnodeId());
+  pMsg->vgId = htonl(vgId);
+  pMsg->sid = htonl(sid);
+
+  SRpcMsg rpcMsg = {0};
+  rpcMsg.pCont = pMsg;
+  rpcMsg.contLen = contLen;
+  rpcMsg.msgType = TSDB_MSG_TYPE_DM_CONFIG_TABLE;
+
+  SRpcMsg rpcRsp = {0};
+  dnodeSendMsgToDnodeRecv(&rpcMsg, &rpcRsp);
+  terrno = rpcRsp.code;
+  
+  if (rpcRsp.code != 0) {
+    rpcFreeCont(rpcRsp.pCont);
+    dError("vgId:%d, sid:%d failed to config table from mnode", vgId, sid);
+    return NULL;
+  } else {
+    dPrint("vgId:%d, sid:%d config table msg is received", vgId, sid);
+    
+    // delete this after debug finished
+    SMDCreateTableMsg *pTable = rpcRsp.pCont;
+    int16_t   numOfColumns = htons(pTable->numOfColumns);
+    int16_t   numOfTags = htons(pTable->numOfTags);
+    int32_t   sid = htonl(pTable->sid);
+    uint64_t  uid = htobe64(pTable->uid);
+    dPrint("table:%s, numOfColumns:%d numOfTags:%d sid:%d uid:%d", pTable->tableId, numOfColumns, numOfTags, sid, uid);
+
+    return rpcRsp.pCont;
+  }
+}
+
 SDnodeStatisInfo dnodeGetStatisInfo() {
   SDnodeStatisInfo info = {0};
   if (dnodeGetRunStatus() == TSDB_DNODE_RUN_STATUS_RUNING) {
diff --git a/src/dnode/src/dnodeSystem.c b/src/dnode/src/dnodeSystem.c
index a7bfc2d7d2224287dec353b7a40b239307d93a74..0f8dabd75a7b0e10263a721b77e765971d5272c0 100644
--- a/src/dnode/src/dnodeSystem.c
+++ b/src/dnode/src/dnodeSystem.c
@@ -28,8 +28,12 @@ int32_t main(int32_t argc, char *argv[]) {
   // Set global configuration file
   for (int32_t i = 1; i < argc; ++i) {
     if (strcmp(argv[i], "-c") == 0) {
-      if (i < argc - 1) {
-        strcpy(configDir, argv[++i]);
+      if (i < argc - 1) {        
+        if (strlen(argv[++i]) > TSDB_FILENAME_LEN - 1) {
+          printf("config file path overflow");
+          exit(EXIT_FAILURE);
+        }
+        strcpy(configDir, argv[i]);
       } else {
         printf("'-c' requires a parameter, default:%s\n", configDir);
         exit(EXIT_FAILURE);
diff --git a/src/dnode/src/dnodeVWrite.c b/src/dnode/src/dnodeVWrite.c
index bbddfa09279160b903c1a2dc57a65b6271c8d3b9..20c50c5f8c3528d8be2773486d859d3d007841b6 100644
--- a/src/dnode/src/dnodeVWrite.c
+++ b/src/dnode/src/dnodeVWrite.c
@@ -129,7 +129,10 @@ void *dnodeAllocateVnodeWqueue(void *pVnode) {
 
   if (pWorker->qset == NULL) {
     pWorker->qset = taosOpenQset();
-    if (pWorker->qset == NULL) return NULL;
+    if (pWorker->qset == NULL) {
+      taosCloseQueue(queue);
+      return NULL;
+    }
 
     taosAddIntoQset(pWorker->qset, queue, pVnode);
     pWorker->qall = taosAllocateQall();
diff --git a/src/inc/dnode.h b/src/inc/dnode.h
index 3d3616085dc6333cbdfad5fea1cb333a48f7c8e5..b561c407a3415d7db27333d96e21a72d4f159d8b 100644
--- a/src/inc/dnode.h
+++ b/src/inc/dnode.h
@@ -44,9 +44,10 @@ void    dnodeGetMnodeIpSetForShell(void *ipSet);
 void *  dnodeGetMnodeInfos();
 int32_t dnodeGetDnodeId();
 
-void dnodeAddClientRspHandle(uint8_t msgType, void (*fp)(SRpcMsg *rpcMsg));
-void dnodeSendMsgToDnode(SRpcIpSet *ipSet, SRpcMsg *rpcMsg);
-void dnodeSendMsgToDnodeRecv(SRpcMsg *rpcMsg, SRpcMsg *rpcRsp);
+void  dnodeAddClientRspHandle(uint8_t msgType, void (*fp)(SRpcMsg *rpcMsg));
+void  dnodeSendMsgToDnode(SRpcIpSet *ipSet, SRpcMsg *rpcMsg);
+void  dnodeSendMsgToDnodeRecv(SRpcMsg *rpcMsg, SRpcMsg *rpcRsp);
+void *dnodeSendCfgTableToRecv(int32_t vgId, int32_t sid);
 
 void *dnodeAllocateVnodeWqueue(void *pVnode);
 void  dnodeFreeVnodeWqueue(void *queue);
diff --git a/src/inc/taosdef.h b/src/inc/taosdef.h
index b2bfe7c590ab0f5ef1703b137e2448f382e29b56..548a39ad4245d8cb36866f4c142d66bb523ce7df 100644
--- a/src/inc/taosdef.h
+++ b/src/inc/taosdef.h
@@ -338,9 +338,6 @@ void tsDataSwap(void *pLeft, void *pRight, int32_t type, int32_t size);
 #define TSDB_ORDER_ASC   1
 #define TSDB_ORDER_DESC  2
 
-#define TSDB_SESSIONS_PER_VNODE (300)
-#define TSDB_SESSIONS_PER_DNODE (TSDB_SESSIONS_PER_VNODE * TSDB_MAX_VNODES)
-
 #define TSDB_DEFAULT_MNODES_HASH_SIZE   5
 #define TSDB_DEFAULT_DNODES_HASH_SIZE   10
 #define TSDB_DEFAULT_ACCOUNTS_HASH_SIZE 10
diff --git a/src/inc/taoserror.h b/src/inc/taoserror.h
index ca520ff803eb21b50dde0fcd5d54aaf88bb55cc5..61e81dfeabeec110e7ae97a5e07e9e72882ef3ce 100644
--- a/src/inc/taoserror.h
+++ b/src/inc/taoserror.h
@@ -72,9 +72,8 @@ TAOS_DEFINE_ERROR(TSDB_CODE_NO_RESOURCE,                0, 0x0018, "no resource"
 TAOS_DEFINE_ERROR(TSDB_CODE_OPS_NOT_SUPPORT,            0, 0x0019, "operations not support")
 TAOS_DEFINE_ERROR(TSDB_CODE_INVALID_OPTION,             0, 0x001A, "invalid option")
 TAOS_DEFINE_ERROR(TSDB_CODE_NOT_CONFIGURED,             0, 0x001B, "not configured")
-TAOS_DEFINE_ERROR(TSDB_CODE_NODE_OFFLINE,               0, 0x001C, "node offline")
-TAOS_DEFINE_ERROR(TSDB_CODE_NETWORK_UNAVAIL,            0, 0x001D, "network unavailable")
-TAOS_DEFINE_ERROR(TSDB_CODE_AUTH_REQUIRED,              0, 0x001E, "auth required")
+TAOS_DEFINE_ERROR(TSDB_CODE_NETWORK_UNAVAIL,            0, 0x001C, "network unavailable")
+TAOS_DEFINE_ERROR(TSDB_CODE_AUTH_REQUIRED,              0, 0x001D, "auth required")
 
 // db
 TAOS_DEFINE_ERROR(TSDB_CODE_DB_NOT_SELECTED,            0, 0x0100, "db not selected")
@@ -148,15 +147,14 @@ TAOS_DEFINE_ERROR(TSDB_CODE_GRANT_CPU_LIMITED,          0, 0x038F, "grant cpu li
 
 // server
 TAOS_DEFINE_ERROR(TSDB_CODE_INVALID_VGROUP_ID,          0, 0x0400, "invalid vgroup id")
-TAOS_DEFINE_ERROR(TSDB_CODE_INVALID_VNODE_ID,           0, 0x0401, "invalid vnode id")
-TAOS_DEFINE_ERROR(TSDB_CODE_NOT_ACTIVE_VNODE,           0, 0x0402, "not active vnode")
-TAOS_DEFINE_ERROR(TSDB_CODE_VG_INIT_FAILED,             0, 0x0403, "vg init failed")
-TAOS_DEFINE_ERROR(TSDB_CODE_SERV_NO_DISKSPACE,          0, 0x0404, "server no diskspace")
-TAOS_DEFINE_ERROR(TSDB_CODE_SERV_OUT_OF_MEMORY,         0, 0x0405, "server out of memory")
-TAOS_DEFINE_ERROR(TSDB_CODE_NO_DISK_PERMISSIONS,        0, 0x0406, "no disk permissions")
-TAOS_DEFINE_ERROR(TSDB_CODE_FILE_CORRUPTED,             0, 0x0407, "file corrupted")
-TAOS_DEFINE_ERROR(TSDB_CODE_MEMORY_CORRUPTED,           0, 0x0408, "memory corrupted")
-TAOS_DEFINE_ERROR(TSDB_CODE_NOT_SUCH_FILE_OR_DIR,       0, 0x0409, "no such file or directory")
+TAOS_DEFINE_ERROR(TSDB_CODE_NOT_ACTIVE_VNODE,           0, 0x0401, "not active vnode")
+TAOS_DEFINE_ERROR(TSDB_CODE_VG_INIT_FAILED,             0, 0x0402, "vgroup init failed")
+TAOS_DEFINE_ERROR(TSDB_CODE_SERV_NO_DISKSPACE,          0, 0x0403, "server no diskspace")
+TAOS_DEFINE_ERROR(TSDB_CODE_SERV_OUT_OF_MEMORY,         0, 0x0404, "server out of memory")
+TAOS_DEFINE_ERROR(TSDB_CODE_NO_DISK_PERMISSIONS,        0, 0x0405, "no disk permissions")
+TAOS_DEFINE_ERROR(TSDB_CODE_FILE_CORRUPTED,             0, 0x0406, "file corrupted")
+TAOS_DEFINE_ERROR(TSDB_CODE_MEMORY_CORRUPTED,           0, 0x0407, "memory corrupted")
+TAOS_DEFINE_ERROR(TSDB_CODE_NOT_SUCH_FILE_OR_DIR,       0, 0x0408, "no such file or directory")
 
 // client
 TAOS_DEFINE_ERROR(TSDB_CODE_INVALID_CLIENT_VERSION,     0, 0x0481, "invalid client version")
diff --git a/src/inc/taosmsg.h b/src/inc/taosmsg.h
index 17b975c193d20b9c3ce1b129a507588c20f0a634..ba95560f7d5804e0b24245bbcba6970db9b77af3 100644
--- a/src/inc/taosmsg.h
+++ b/src/inc/taosmsg.h
@@ -676,9 +676,9 @@ typedef struct {
 } SCMCreateDnodeMsg, SCMDropDnodeMsg;
 
 typedef struct {
-  uint32_t dnode;
-  int32_t  vnode;
-  int32_t  sid;
+  int32_t dnodeId;
+  int32_t vgId;
+  int32_t sid;
 } SDMConfigTableMsg;
 
 typedef struct {
diff --git a/src/kit/shell/src/shellDarwin.c b/src/kit/shell/src/shellDarwin.c
index 98ea6510d7abd2cae75037653102d5487faba41d..439ca6edada6b9ffd1f2d2a0385e94ec7831913e 100644
--- a/src/kit/shell/src/shellDarwin.c
+++ b/src/kit/shell/src/shellDarwin.c
@@ -96,8 +96,12 @@ void shellParseArgument(int argc, char *argv[], struct arguments *arguments) {
         exit(EXIT_FAILURE);
       }
     } else if (strcmp(argv[i], "-c") == 0) {
-      if (i < argc - 1) {
-        strcpy(configDir, argv[++i]);
+      if (i < argc - 1) { 
+        if (strlen(argv[++i]) > TSDB_FILENAME_LEN - 1) {
+          fprintf(stderr, "config file path: %s overflow max len %d\n", argv[i], TSDB_FILENAME_LEN - 1);
+          exit(EXIT_FAILURE);
+        }
+        strcpy(configDir, argv[i]);
       } else {
         fprintf(stderr, "Option -c requires an argument\n");
         exit(EXIT_FAILURE);
diff --git a/src/kit/shell/src/shellLinux.c b/src/kit/shell/src/shellLinux.c
index b4b74eae3ab13b4a22e7fa992317fd8f33bc3fbc..7d035126c00351444220ab66ea340bc362219ebc 100644
--- a/src/kit/shell/src/shellLinux.c
+++ b/src/kit/shell/src/shellLinux.c
@@ -80,6 +80,11 @@ static error_t parse_opt(int key, char *arg, struct argp_state *state) {
       if (wordexp(arg, &full_path, 0) != 0) {
         fprintf(stderr, "Invalid path %s\n", arg);
         return -1;
+      }       
+      if (strlen(full_path.we_wordv[0]) > TSDB_FILENAME_LEN - 1) {
+        fprintf(stderr, "config file path: %s overflow max len %d\n", full_path.we_wordv[0], TSDB_FILENAME_LEN - 1);
+        wordfree(&full_path);
+        return -1;
       }
       strcpy(configDir, full_path.we_wordv[0]);
       wordfree(&full_path);
diff --git a/src/kit/shell/src/shellWindows.c b/src/kit/shell/src/shellWindows.c
index 48545f537e3848b955195ae261080b307e06a2f9..cf96bce5a89d76216535b68d745ea9b826cd0b01 100644
--- a/src/kit/shell/src/shellWindows.c
+++ b/src/kit/shell/src/shellWindows.c
@@ -76,8 +76,12 @@ void shellParseArgument(int argc, char *argv[], struct arguments *arguments) {
         exit(EXIT_FAILURE);
       }
     } else if (strcmp(argv[i], "-c") == 0) {
-      if (i < argc - 1) {
-        strcpy(configDir, argv[++i]);
+      if (i < argc - 1) {   
+        if (strlen(argv[++i]) > TSDB_FILENAME_LEN - 1) {
+          fprintf(stderr, "config file path: %s overflow max len %d\n", argv[i], TSDB_FILENAME_LEN - 1);
+          exit(EXIT_FAILURE);
+        }
+        strcpy(configDir, argv[i]);
       } else {
         fprintf(stderr, "Option -c requires an argument\n");
         exit(EXIT_FAILURE);
diff --git a/src/kit/taosdemo/taosdemo.c b/src/kit/taosdemo/taosdemo.c
index 04194c6127f2b825735dcc7cf102c0a321f3079b..cf84ecad43b953a2ba0432fee66992866eced324 100644
--- a/src/kit/taosdemo/taosdemo.c
+++ b/src/kit/taosdemo/taosdemo.c
@@ -49,7 +49,7 @@ static struct argp_option options[] = {
   {0, 'h', "host",                     0, "The host to connect to TDEngine. Default is localhost.",                                                           0},
   {0, 'p', "port",                     0, "The TCP/IP port number to use for the connection. Default is 0.",                                                  1},
   {0, 'u', "user",                     0, "The TDEngine user name to use when connecting to the server. Default is 'root'.",                                  2},
-  {0, 'a', "password",                 0, "The password to use when connecting to the server. Default is 'taosdata'.",                                        3},
+  {0, 'P', "password",                 0, "The password to use when connecting to the server. Default is 'taosdata'.",                                        3},
   {0, 'd', "database",                 0, "Destination database. Default is 'test'.",                                                                         3},
   {0, 'm', "table_prefix",             0, "Table prefix name. Default is 't'.",                                                                               3},
   {0, 'M', 0,                          0, "Use metric flag.",                                                                                                 13},
@@ -58,12 +58,15 @@ static struct argp_option options[] = {
   {0, 'b', "type_of_cols",             0, "The data_type of columns: 'INT', 'TINYINT', 'SMALLINT', 'BIGINT', 'FLOAT', 'DOUBLE', 'BINARY'. Default is 'INT'.", 7},
   {0, 'w', "length_of_binary",         0, "The length of data_type 'BINARY'. Only applicable when type of cols is 'BINARY'. Default is 8",                    8},
   {0, 'l', "num_of_cols_per_record",   0, "The number of columns per record. Default is 3.",                                                                  8},
-  {0, 'c', "num_of_conns",             0, "The number of connections. Default is 10.",                                                                        9},
+  {0, 'T', "num_of_threads",           0, "The number of threads. Default is 10.",                                                                            9},
   {0, 'r', "num_of_records_per_req",   0, "The number of records per request. Default is 1000.",                                                              10},
   {0, 't', "num_of_tables",            0, "The number of tables. Default is 10000.",                                                                          11},
   {0, 'n', "num_of_records_per_table", 0, "The number of records per table. Default is 100000.",                                                              12},
-  {0, 'f', "config_directory",         0, "Configuration directory. Default is '/etc/taos/'.",                                                                14},
+  {0, 'c', "config_directory",         0, "Configuration directory. Default is '/etc/taos/'.",                                                                14},
   {0, 'x', 0,                          0, "Insert only flag.",                                                                                                13},
+  {0, 'O', "order",                    0, "Insert mode--0: In order, 1: Out of order. Default is in order.",                                                  14},
+  {0, 'R', "rate",                     0, "Out of order data's rate--if order=1 Default 10, min: 0, max: 50.",                                                14},
+  {0, 'D', "delete table",             0, "Delete data methods——0: don't delete, 1: delete by table, 2: delete by stable, 3: delete by database",             14},
   {0}};
 
 /* Used by main to communicate with parse_opt. */
@@ -81,11 +84,14 @@ typedef struct DemoArguments {
   char  *datatype[MAX_NUM_DATATYPE];
   int    len_of_binary;
   int    num_of_CPR;
-  int    num_of_connections;
+  int    num_of_threads;
   int    num_of_RPR;
   int    num_of_tables;
   int    num_of_DPT;
   int    abort;
+  int    order;
+  int    rate;
+  int    method_of_delete;
   char **arg_list;
 } SDemoArguments;
 
@@ -106,7 +112,7 @@ static error_t parse_opt(int key, char *arg, struct argp_state *state) {
     case 'u':
       arguments->user = arg;
       break;
-    case 'a':
+    case 'P':
       arguments->password = arg;
       break;
     case 'o':
@@ -115,8 +121,8 @@ static error_t parse_opt(int key, char *arg, struct argp_state *state) {
     case 'q':
       arguments->mode = atoi(arg);
       break;
-    case 'c':
-      arguments->num_of_connections = atoi(arg);
+    case 'T':
+      arguments->num_of_threads = atoi(arg);
       break;
     case 'r':
       arguments->num_of_RPR = atoi(arg);
@@ -176,7 +182,7 @@ static error_t parse_opt(int key, char *arg, struct argp_state *state) {
     case 'x':
       arguments->insert_only = true;
       break;
-    case 'f':
+    case 'c':
       if (wordexp(arg, &full_path, 0) != 0) {
         fprintf(stderr, "Invalid path %s\n", arg);
         return -1;
@@ -184,6 +190,30 @@ static error_t parse_opt(int key, char *arg, struct argp_state *state) {
       taos_options(TSDB_OPTION_CONFIGDIR, full_path.we_wordv[0]);
       wordfree(&full_path);
       break;
+    case 'O':
+      arguments->order = atoi(arg);
+      if (arguments->order > 1 || arguments->order < 0)
+      {
+        arguments->order = 0;
+      } else if (arguments->order == 1)
+      {
+        arguments->rate = 10;
+      }
+      break;
+    case 'R':
+      arguments->rate = atoi(arg);
+      if (arguments->order == 1 && (arguments->rate > 50 || arguments->rate <= 0))
+      {
+        arguments->rate = 10;
+      }
+      break;
+    case 'D':
+      arguments->method_of_delete = atoi(arg);
+      if (arguments->method_of_delete < 0 || arguments->method_of_delete > 3)
+      {
+        arguments->method_of_delete = 0;
+      }
+      break;
     case OPT_ABORT:
       arguments->abort = 1;
       break;
@@ -217,6 +247,8 @@ typedef struct {
   int ncols_per_record;
   int nrecords_per_table;
   int nrecords_per_request;
+  int data_of_order;
+  int data_of_rate;
   int64_t start_time;
   bool do_aggreFunc;
 
@@ -236,6 +268,8 @@ typedef struct {
   int    ncols_per_record;
   char **data_type;
   int    len_of_binary;
+  int data_of_order;
+  int data_of_rate;
 
   sem_t *mutex_sem;
   int   *notFinished;
@@ -258,6 +292,8 @@ void *readMetric(void *sarg);
 
 void *syncWrite(void *sarg);
 
+void *deleteTable();
+
 void *asyncWrite(void *sarg);
 
 void generateData(char *res, char **data_type, int num_of_cols, int64_t timestamp, int len_of_binary);
@@ -291,11 +327,14 @@ int main(int argc, char *argv[]) {
                                 },
                                 8,               // len_of_binary
                                 1,               // num_of_CPR
-                                1,               // num_of_connections
+                                1,               // num_of_connections/thread
                                 1,               // num_of_RPR
                                 1,               // num_of_tables
                                 50000,           // num_of_DPT
                                 0,               // abort
+                                0,               // order
+                                0,               // rate
+                                0,               // method_of_delete
                                 NULL             // arg_list
                                 };
 
@@ -304,7 +343,7 @@ int main(int argc, char *argv[]) {
   // For demo use, change default values for some parameters;
   arguments.num_of_tables = 10000;
   arguments.num_of_CPR = 3; 
-  arguments.num_of_connections = 10;
+  arguments.num_of_threads = 10;
   arguments.num_of_DPT = 100000;
   arguments.num_of_RPR = 1000;
   arguments.use_metric = true;
@@ -330,8 +369,11 @@ int main(int argc, char *argv[]) {
   char *tb_prefix = arguments.tb_prefix;
   int len_of_binary = arguments.len_of_binary;
   int ncols_per_record = arguments.num_of_CPR;
+  int order = arguments.order;
+  int rate = arguments.rate;
+  int method_of_delete = arguments.method_of_delete;
   int ntables = arguments.num_of_tables;
-  int nconnections = arguments.num_of_connections;
+  int threads = arguments.num_of_threads;
   int nrecords_per_table = arguments.num_of_DPT;
   int nrecords_per_request = arguments.num_of_RPR;
   bool use_metric = arguments.use_metric;
@@ -371,12 +413,19 @@ int main(int argc, char *argv[]) {
   printf("# Binary Length(If applicable):      %d\n",
           (strcasestr(dataString, "BINARY") != NULL) ? len_of_binary : -1);
   printf("# Number of Columns per record:      %d\n", ncols_per_record);
-  printf("# Number of Connections:             %d\n", nconnections);
+  printf("# Number of Threads:                 %d\n", threads);
   printf("# Number of Tables:                  %d\n", ntables);
   printf("# Number of Data per Table:          %d\n", nrecords_per_table);
   printf("# Records/Request:                   %d\n", nrecords_per_request);
   printf("# Database name:                     %s\n", db_name);
   printf("# Table prefix:                      %s\n", tb_prefix);
+  if (order == 1)
+  {
+    printf("# Data order:                        %d\n", order);
+    printf("# Data out of order rate:            %d\n", rate);
+
+  }
+  printf("# Delete method:                     %d\n", method_of_delete);
   printf("# Test time:                         %d-%02d-%02d %02d:%02d:%02d\n", tm.tm_year + 1900, tm.tm_mon + 1,
           tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
   printf("###################################################################\n\n");
@@ -392,12 +441,18 @@ int main(int argc, char *argv[]) {
   fprintf(fp, "# Binary Length(If applicable):      %d\n",
           (strcasestr(dataString, "BINARY") != NULL) ? len_of_binary : -1);
   fprintf(fp, "# Number of Columns per record:      %d\n", ncols_per_record);
-  fprintf(fp, "# Number of Connections:             %d\n", nconnections);
+  fprintf(fp, "# Number of Threads:                 %d\n", threads);
   fprintf(fp, "# Number of Tables:                  %d\n", ntables);
   fprintf(fp, "# Number of Data per Table:          %d\n", nrecords_per_table);
   fprintf(fp, "# Records/Request:                   %d\n", nrecords_per_request);
   fprintf(fp, "# Database name:                     %s\n", db_name);
   fprintf(fp, "# Table prefix:                      %s\n", tb_prefix);
+  if (order == 1)
+  {
+    printf("# Data order:                        %d\n", order);
+    printf("# Data out of order rate:            %d\n", rate);
+
+  }
   fprintf(fp, "# Test time:                         %d-%02d-%02d %02d:%02d:%02d\n", tm.tm_year + 1900, tm.tm_mon + 1,
           tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
   fprintf(fp, "###################################################################\n\n");
@@ -414,7 +469,7 @@ int main(int argc, char *argv[]) {
 
   sprintf(command, "drop database %s;", db_name);
   taos_query(taos, command);
-  sleep(3);
+  
 
   sprintf(command, "create database %s;", db_name);
   taos_query(taos, command);
@@ -479,22 +534,22 @@ int main(int argc, char *argv[]) {
     taos_close(taos);
   }
   /* Wait for table to create  */
-  sleep(5);
+  
 
   /* Insert data */
   double ts = getCurrentTime();
   printf("Inserting data......\n");
-  pthread_t *pids = malloc(nconnections * sizeof(pthread_t));
-  info *infos = malloc(nconnections * sizeof(info));
+  pthread_t *pids = malloc(threads * sizeof(pthread_t));
+  info *infos = malloc(threads * sizeof(info));
 
-  int a = ntables / nconnections;
+  int a = ntables / threads;
   if (a < 1) {
-    nconnections = ntables;
+    threads = ntables;
     a = 1;
   }
-  int b = ntables % nconnections;
+  int b = ntables % threads;
   int last = 0;
-  for (int i = 0; i < nconnections; i++) {
+  for (int i = 0; i < threads; i++) {
     info *t_info = infos + i;
     t_info->threadID = i;
     strcpy(t_info->db_name, db_name);
@@ -507,6 +562,8 @@ int main(int argc, char *argv[]) {
     t_info->len_of_binary = len_of_binary;
     t_info->nrecords_per_request = nrecords_per_request;
     t_info->start_table_id = last;
+    t_info->data_of_order = order;
+    t_info->data_of_rate = rate;
     t_info->end_table_id = i < b ? last + a : last + a - 1;
     last = t_info->end_table_id + 1;
 
@@ -520,15 +577,15 @@ int main(int argc, char *argv[]) {
       pthread_create(pids + i, NULL, asyncWrite, t_info);
     }
   }
-  for (int i = 0; i < nconnections; i++) {
+  for (int i = 0; i < threads; i++) {
     pthread_join(pids[i], NULL);
   }
 
   double t = getCurrentTime() - ts;
   if (query_mode == SYNC) {
-    printf("SYNC Insert with %d connections:\n", nconnections);
+    printf("SYNC Insert with %d connections:\n", threads);
   } else {
-    printf("ASYNC Insert with %d connections:\n", nconnections);
+    printf("ASYNC Insert with %d connections:\n", threads);
   }
 
   fprintf(fp, "|%10.d  |  %10.2f    |  %10.2f     |  %10.4f   |\n\n",
@@ -540,7 +597,7 @@ int main(int argc, char *argv[]) {
          t, ntables * nrecords_per_table, nrecords_per_request,
          ntables * nrecords_per_table / t);
 
-  for (int i = 0; i < nconnections; i++) {
+  for (int i = 0; i < threads; i++) {
     info *t_info = infos + i;
     taos_close(t_info->taos);
     sem_destroy(&(t_info->mutex_sem));
@@ -551,6 +608,55 @@ int main(int argc, char *argv[]) {
   free(infos);
   fclose(fp);
 
+  if (method_of_delete != 0)
+  {
+    TAOS *dtaos = taos_connect(ip_addr, user, pass, db_name, port);
+    double dts = getCurrentTime();
+    printf("Deleteing %d table(s)......\n", ntables);
+
+    switch (method_of_delete)
+    {
+    case 1:
+      // delete by table
+      /* Create all the tables; */
+      for (int i = 0; i < ntables; i++) {
+        sprintf(command, "drop table %s.%s%d;", db_name, tb_prefix, i);
+        queryDB(dtaos, command);
+      }
+      break;
+    case 2:
+      // delete by stable
+      if (!use_metric) {
+        break;
+      }
+      else
+      {
+        sprintf(command, "drop table %s.meters;", db_name);
+        queryDB(dtaos, command);
+      }
+      break;
+    case 3:
+      // delete by database
+      sprintf(command, "drop database %s;", db_name);
+      queryDB(dtaos, command);
+      break;
+    default:
+      break;
+    }
+
+    printf("Table(s) droped!\n");
+    taos_close(dtaos);
+
+    double dt = getCurrentTime() - dts;
+    printf("Spent %.4f seconds to drop %d tables\n", dt, ntables);
+
+    FILE *fp = fopen(arguments.output_file, "a");
+    fprintf(fp, "Spent %.4f seconds to drop %d tables\n", dt, ntables);
+    fclose(fp);
+
+  }
+  
+
   if (!insert_only) {
     // query data
     pthread_t read_id;
@@ -735,7 +841,15 @@ void *syncWrite(void *sarg) {
       pstr += sprintf(pstr, "insert into %s.%s%d values", winfo->db_name, winfo->tb_prefix, tID);
       int k;
       for (k = 0; k < winfo->nrecords_per_request;) {
-        generateData(data, data_type, ncols_per_record, tmp_time++, len_of_binary);
+        int rand_num = rand() % 100;
+        if (winfo->data_of_order ==1 && rand_num < winfo->data_of_rate)
+        {
+          long d = tmp_time - rand() % 1000000 + rand_num;
+          generateData(data, data_type, ncols_per_record, d, len_of_binary);
+        } else 
+        {
+          generateData(data, data_type, ncols_per_record, tmp_time += 1000, len_of_binary);
+        }
         pstr += sprintf(pstr, " %s", data);
         inserted++;
         k++;
@@ -774,6 +888,8 @@ void *asyncWrite(void *sarg) {
     tb_info->mutex_sem = &(winfo->mutex_sem);
     tb_info->notFinished = &(winfo->notFinished);
     tb_info->lock_sem = &(winfo->lock_sem);
+    tb_info->data_of_order = winfo->data_of_order;
+    tb_info->data_of_rate = winfo->data_of_rate;
 
     /* char buff[BUFFER_SIZE] = "\0"; */
     /* sprintf(buff, "insert into %s values (0, 0)", tb_info->tb_name); */
@@ -815,7 +931,15 @@ void callBack(void *param, TAOS_RES *res, int code) {
   pstr += sprintf(pstr, "insert into %s values", tb_info->tb_name);
 
   for (int i = 0; i < tb_info->nrecords_per_request; i++) {
-    generateData(data, datatype, ncols_per_record, tmp_time++, len_of_binary);
+    int rand_num = rand() % 100;
+    if (tb_info->data_of_order ==1 && rand_num < tb_info->data_of_rate)
+    {
+      long d = tmp_time - rand() % 1000000 + rand_num;
+      generateData(data, datatype, ncols_per_record, d, len_of_binary);
+    } else 
+    {
+      generateData(data, datatype, ncols_per_record, tmp_time += 1000, len_of_binary);
+    }
     pstr += sprintf(pstr, "%s", data);
     tb_info->counter++;
 
diff --git a/src/mnode/src/mnodeMain.c b/src/mnode/src/mnodeMain.c
index ac119477579e05f441808164b287faad4316e498..baecfac0775983ca34706a838a1667544c1bf179 100644
--- a/src/mnode/src/mnodeMain.c
+++ b/src/mnode/src/mnodeMain.c
@@ -160,7 +160,7 @@ void mnodeStopSystem() {
 
 static void mnodeInitTimer() {
   if (tsMnodeTmr == NULL) {
-    tsMnodeTmr = taosTmrInit((tsMaxShellConns)*3, 200, 3600000, "MND");
+    tsMnodeTmr = taosTmrInit(tsMaxShellConns, 200, 3600000, "MND");
   }
 }
 
@@ -185,4 +185,4 @@ static bool mnodeNeedStart() {
 
 bool mnodeIsRunning() {
   return tsMgmtIsRunning;
-}
\ No newline at end of file
+}
diff --git a/src/mnode/src/mnodeSdb.c b/src/mnode/src/mnodeSdb.c
index 3fdb1b0dfe05f995486e3aed645fd037159d3af2..6638fba53b2200e5c4688c57183512a0442bc289 100644
--- a/src/mnode/src/mnodeSdb.c
+++ b/src/mnode/src/mnodeSdb.c
@@ -358,8 +358,8 @@ void sdbIncRef(void *handle, void *pObj) {
   SSdbTable *pTable = handle;
   int32_t *  pRefCount = (int32_t *)(pObj + pTable->refCountPos);
   atomic_add_fetch_32(pRefCount, 1);
-  if (0 && (pTable->tableId == SDB_TABLE_MNODE || pTable->tableId == SDB_TABLE_DNODE)) {
-    sdbTrace("add ref to table:%s record:%s:%d", pTable->tableName, sdbGetKeyStrFromObj(pTable, pObj), *pRefCount);
+  if (0 && (pTable->tableId == SDB_TABLE_CTABLE || pTable->tableId == SDB_TABLE_DB)) {
+    sdbTrace("add ref to table:%s record:%p:%s:%d", pTable->tableName, pObj, sdbGetKeyStrFromObj(pTable, pObj), *pRefCount);
   }
 }
 
@@ -369,13 +369,13 @@ void sdbDecRef(void *handle, void *pObj) {
   SSdbTable *pTable = handle;
   int32_t *  pRefCount = (int32_t *)(pObj + pTable->refCountPos);
   int32_t    refCount = atomic_sub_fetch_32(pRefCount, 1);
-  if (0 && (pTable->tableId == SDB_TABLE_MNODE || pTable->tableId == SDB_TABLE_DNODE)) {
-    sdbTrace("def ref of table:%s record:%s:%d", pTable->tableName, sdbGetKeyStrFromObj(pTable, pObj), *pRefCount);
+  if (0 && (pTable->tableId == SDB_TABLE_CTABLE || pTable->tableId == SDB_TABLE_DB)) {
+    sdbTrace("def ref of table:%s record:%p:%s:%d", pTable->tableName, pObj, sdbGetKeyStrFromObj(pTable, pObj), *pRefCount);
   }
 
   int8_t *updateEnd = pObj + pTable->refCountPos - 1;
   if (refCount <= 0 && *updateEnd) {
-    sdbTrace("table:%s, record:%s:%d is destroyed", pTable->tableName, sdbGetKeyStrFromObj(pTable, pObj), *pRefCount);
+    sdbTrace("table:%s, record:%p:%s:%d is destroyed", pTable->tableName, pObj, sdbGetKeyStrFromObj(pTable, pObj), *pRefCount);
     SSdbOper oper = {.pObj = pObj};
     (*pTable->destroyFp)(&oper);
   }
diff --git a/src/mnode/src/mnodeShow.c b/src/mnode/src/mnodeShow.c
index 0973163cf947f8f1663a40e97c2470b43842fa1d..d28d0b5b307e47b68ad18c4c33abe8cf2d5e9d15 100644
--- a/src/mnode/src/mnodeShow.c
+++ b/src/mnode/src/mnodeShow.c
@@ -116,12 +116,6 @@ static int32_t mnodeProcessShowMsg(SMnodeMsg *pMsg) {
     return TSDB_CODE_OPS_NOT_SUPPORT;
   }
 
-  int32_t size = sizeof(SCMShowRsp) + sizeof(SSchema) * TSDB_MAX_COLUMNS + TSDB_EXTRA_PAYLOAD_SIZE;
-  SCMShowRsp *pShowRsp = rpcMallocCont(size);
-  if (pShowRsp == NULL) {
-    return TSDB_CODE_SERV_OUT_OF_MEMORY;
-  }
-
   int32_t showObjSize = sizeof(SShowObj) + htons(pShowMsg->payloadLen);
   SShowObj *pShow = (SShowObj *) calloc(1, showObjSize);
   pShow->signature  = pShow;
@@ -131,7 +125,14 @@ static int32_t mnodeProcessShowMsg(SMnodeMsg *pMsg) {
   memcpy(pShow->payload, pShowMsg->payload, pShow->payloadLen);
 
   pShow = mnodeSaveShowObj(pShow, showObjSize);
-  if (pShow == NULL) {
+  if (pShow == NULL) {    
+    return TSDB_CODE_SERV_OUT_OF_MEMORY;
+  }
+
+  int32_t size = sizeof(SCMShowRsp) + sizeof(SSchema) * TSDB_MAX_COLUMNS + TSDB_EXTRA_PAYLOAD_SIZE;
+  SCMShowRsp *pShowRsp = rpcMallocCont(size);
+  if (pShowRsp == NULL) {
+    mnodeFreeShowObj(pShow);
     return TSDB_CODE_SERV_OUT_OF_MEMORY;
   }
   pShowRsp->qhandle = htobe64((uint64_t) pShow);
@@ -144,6 +145,7 @@ static int32_t mnodeProcessShowMsg(SMnodeMsg *pMsg) {
     return TSDB_CODE_SUCCESS;
   } else {
     mError("show:%p, type:%s, failed to get meta, reason:%s", pShow, mnodeGetShowType(pShowMsg->type), tstrerror(code));
+    rpcFreeCont(pShowRsp);
     mnodeCleanupShowObj(pShow, true);
     return code;
   }
diff --git a/src/mnode/src/mnodeTable.c b/src/mnode/src/mnodeTable.c
index 92ab990da4a4fb52abb8a33fc0ab4e795446f56b..b2d7ec768f6dd229b7461d7bd449f1e3123213e5 100644
--- a/src/mnode/src/mnodeTable.c
+++ b/src/mnode/src/mnodeTable.c
@@ -484,7 +484,10 @@ static int32_t mnodeSuperTableActionDecode(SSdbOper *pOper) {
   if (pStable == NULL) return TSDB_CODE_SERV_OUT_OF_MEMORY;
 
   int32_t len = strlen(pOper->rowData);
-  if (len > TSDB_TABLE_ID_LEN) return TSDB_CODE_INVALID_TABLE_ID;
+  if (len > TSDB_TABLE_ID_LEN){
+    free(pStable);
+    return TSDB_CODE_INVALID_TABLE_ID;
+  }
   pStable->info.tableId = strdup(pOper->rowData);
   len++;
 
@@ -1877,38 +1880,25 @@ static SChildTableObj* mnodeGetTableByPos(int32_t vnode, int32_t sid) {
 
 static int32_t mnodeProcessTableCfgMsg(SMnodeMsg *pMsg) {
   SDMConfigTableMsg *pCfg = pMsg->rpcMsg.pCont;
-  pCfg->dnode = htonl(pCfg->dnode);
-  pCfg->vnode = htonl(pCfg->vnode);
-  pCfg->sid   = htonl(pCfg->sid);
-  mTrace("dnode:%s, vnode:%d, sid:%d, receive table config msg", taosIpStr(pCfg->dnode), pCfg->vnode, pCfg->sid);
+  pCfg->dnodeId = htonl(pCfg->dnodeId);
+  pCfg->vgId = htonl(pCfg->vgId);
+  pCfg->sid = htonl(pCfg->sid);
+  mTrace("dnode:%d, vgId:%d sid:%d, receive table config msg", pCfg->dnodeId, pCfg->vgId, pCfg->sid);
 
-  SChildTableObj *pTable = mnodeGetTableByPos(pCfg->vnode, pCfg->sid);
+  SChildTableObj *pTable = mnodeGetTableByPos(pCfg->vgId, pCfg->sid);
   if (pTable == NULL) {
-    mError("dnode:%s, vnode:%d, sid:%d, table not found", taosIpStr(pCfg->dnode), pCfg->vnode, pCfg->sid);
+    mError("dnode:%d, vgId:%d sid:%d, table not found", pCfg->dnodeId, pCfg->vgId, pCfg->sid);
     return TSDB_CODE_NOT_ACTIVE_TABLE;
   }
 
-  SMDCreateTableMsg *pMDCreate = NULL;
-  pMDCreate = mnodeBuildCreateChildTableMsg(NULL, (SChildTableObj *)pTable);
-  if (pMDCreate == NULL) {
-    mnodeDecTableRef(pTable);
-    return terrno;
-  }
-
-  SDnodeObj *pDnode = mnodeGetDnode(pCfg->dnode);
-  SRpcIpSet ipSet = mnodeGetIpSetFromIp(pDnode->dnodeEp);
-  SRpcMsg rpcRsp = {
-      .handle  = NULL,
-      .pCont   = pMDCreate,
-      .contLen = htonl(pMDCreate->contLen),
-      .code    = 0,
-      .msgType = TSDB_MSG_TYPE_MD_CREATE_TABLE
-  };
-  dnodeSendMsgToDnode(&ipSet, &rpcRsp);
-
+  SMDCreateTableMsg *pCreate = NULL;
+  pCreate = mnodeBuildCreateChildTableMsg(NULL, (SChildTableObj *)pTable);
   mnodeDecTableRef(pTable);
-  mnodeDecDnodeRef(pDnode);
-
+    
+  if (pCreate == NULL) return terrno;
+  
+  pMsg->rpcRsp.rsp = pCreate;
+  pMsg->rpcRsp.len = htonl(pCreate->contLen);
   return TSDB_CODE_SUCCESS;
 }
 
@@ -1926,7 +1916,6 @@ static void mnodeProcessDropChildTableRsp(SRpcMsg *rpcMsg) {
   if (rpcMsg->code != TSDB_CODE_SUCCESS) {
     mError("table:%s, failed to drop in dnode, reason:%s", pTable->info.tableId, tstrerror(rpcMsg->code));
     dnodeSendRpcMnodeWriteRsp(mnodeMsg, rpcMsg->code);
-    mnodeDecTableRef(pTable);
     return;
   }
 
@@ -2369,4 +2358,4 @@ static int32_t mnodeRetrieveStreams(SShowObj *pShow, char *data, int32_t rows, v
   mnodeDecDbRef(pDb);
 
   return numOfRows;
-}
\ No newline at end of file
+}
diff --git a/src/plugins/http/src/tgHandle.c b/src/plugins/http/src/tgHandle.c
index 1a55c325d5cfb1ccf6d6a6f83da7f2e2880cad83..61f9da63688f6d0f541a1fbae56b4d2037978269 100644
--- a/src/plugins/http/src/tgHandle.c
+++ b/src/plugins/http/src/tgHandle.c
@@ -281,7 +281,7 @@ int tgReadSchema(char *fileName) {
 }
 
 void tgInitHandle(HttpServer *pServer) {
-  char fileName[256] = {0};
+  char fileName[TSDB_FILENAME_LEN*2] = {0};
   sprintf(fileName, "%s/taos.telegraf.cfg", configDir);
   if (tgReadSchema(fileName) <= 0) {
     tgFreeSchemas();
diff --git a/src/util/src/tconfig.c b/src/util/src/tconfig.c
index 32a3df844c2be3bbbf634af796e56fb2c47a05ed..203a34fd15341acf263e74166717a14d4787a23d 100644
--- a/src/util/src/tconfig.c
+++ b/src/util/src/tconfig.c
@@ -241,7 +241,12 @@ void taosReadGlobalLogCfg() {
 
   wordexp_t full_path;
   wordexp(configDir, &full_path, 0);
-  if (full_path.we_wordv != NULL && full_path.we_wordv[0] != NULL) {
+  if (full_path.we_wordv != NULL && full_path.we_wordv[0] != NULL) {    
+    if (strlen(full_path.we_wordv[0]) > TSDB_FILENAME_LEN - 1) {
+      printf("\nconfig file: %s path overflow max len %d, all variables are set to default\n", full_path.we_wordv[0], TSDB_FILENAME_LEN - 1);
+      wordfree(&full_path);
+      return;
+    }
     strcpy(configDir, full_path.we_wordv[0]);
   } else {
     printf("configDir:%s not there, use default value: /etc/taos", configDir);
diff --git a/src/util/src/tqueue.c b/src/util/src/tqueue.c
index 475941dbdb9fb9dee3d656b841fc286cfd9043ef..428c40ef7afe254a032856833c6d1f4b7cd3f515 100644
--- a/src/util/src/tqueue.c
+++ b/src/util/src/tqueue.c
@@ -18,24 +18,24 @@
 #include "taoserror.h"
 #include "tqueue.h"
 
-typedef struct _taos_qnode {
+typedef struct STaosQnode {
   int                 type;
-  struct _taos_qnode *next;
+  struct STaosQnode  *next;
   char                item[];
 } STaosQnode;
 
-typedef struct _taos_q {
+typedef struct STaosQueue {
   int32_t             itemSize;
   int32_t             numOfItems;
-  struct _taos_qnode *head;
-  struct _taos_qnode *tail;
-  struct _taos_q     *next;    // for queue set
-  struct _taos_qset  *qset;    // for queue set
+  struct STaosQnode  *head;
+  struct STaosQnode  *tail;
+  struct STaosQueue  *next;    // for queue set
+  struct STaosQset   *qset;    // for queue set
   void               *ahandle; // for queue set
   pthread_mutex_t     mutex;  
 } STaosQueue;
 
-typedef struct _taos_qset {
+typedef struct STaosQset {
   STaosQueue        *head;
   STaosQueue        *current;
   pthread_mutex_t    mutex;
@@ -44,7 +44,7 @@ typedef struct _taos_qset {
   tsem_t             sem;
 } STaosQset;
 
-typedef struct _taos_qall {
+typedef struct STaosQall {
   STaosQnode   *current;
   STaosQnode   *start;
   int32_t       itemSize;
@@ -95,6 +95,7 @@ void *taosAllocateQitem(int size) {
 void taosFreeQitem(void *param) {
   if (param == NULL) return;
 
+  uTrace("item:%p is freed", param);
   char *temp = (char *)param;
   temp -= sizeof(STaosQnode);
   free(temp);
@@ -104,6 +105,7 @@ int taosWriteQitem(taos_queue param, int type, void *item) {
   STaosQueue *queue = (STaosQueue *)param;
   STaosQnode *pNode = (STaosQnode *)(((char *)item) - sizeof(STaosQnode));
   pNode->type = type;
+  pNode->next = NULL;
 
   pthread_mutex_lock(&queue->mutex);
 
@@ -143,7 +145,7 @@ int taosReadQitem(taos_queue param, int *type, void **pitem) {
       queue->numOfItems--;
       if (queue->qset) atomic_sub_fetch_32(&queue->qset->numOfItems, 1);
       code = 1;
-      uTrace("item:%p is read out from queue, items:%d", *pitem, queue->numOfItems);
+      uTrace("item:%p is read out from queue:%p, type:%d items:%d", *pitem, *type, queue->numOfItems);
   } 
 
   pthread_mutex_unlock(&queue->mutex);
@@ -337,6 +339,7 @@ int taosReadQitemFromQset(taos_qset param, int *type, void **pitem, void **phand
         queue->numOfItems--;
         atomic_sub_fetch_32(&qset->numOfItems, 1);
         code = 1;
+        uTrace("item:%p is read out from queue:%p, type:%d items:%d", *pitem, queue, *type, queue->numOfItems);
     } 
 
     pthread_mutex_unlock(&queue->mutex);
diff --git a/tests/pytest/random-test/random-test-multi-threading.py b/tests/pytest/random-test/random-test-multi-threading.py
new file mode 100644
index 0000000000000000000000000000000000000000..c6ccc44372eeb625f5fa01c962ebd97d92ee6a90
--- /dev/null
+++ b/tests/pytest/random-test/random-test-multi-threading.py
@@ -0,0 +1,215 @@
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+import sys
+import random
+import threading
+
+from util.log import *
+from util.cases import *
+from util.sql import *
+from util.dnodes import *
+
+current_tb = ""
+last_tb = ""
+written = 0
+
+
+class Test (threading.Thread):
+    def __init__(self, threadId, name, sleepTime):
+        threading.Thread.__init__(self)
+        self.threadId = threadId
+        self.name = name
+        self.sleepTime = sleepTime
+
+        self.threadLock = threading.Lock()
+
+    def create_table(self):
+        global current_tb
+        global last_tb
+        global written
+
+        tdLog.info("create a table")
+        current_tb = "tb%d" % int(round(time.time() * 1000))
+        tdLog.info("current table %s" % current_tb)
+
+        if (current_tb == last_tb):
+            return
+        else:
+            tdSql.execute(
+                'create table %s (ts timestamp, speed int)' %
+                current_tb)
+            last_tb = current_tb
+            written = 0
+
+    def insert_data(self):
+        global current_tb
+        global last_tb
+        global written
+
+        tdLog.info("will insert data to table")
+        if (current_tb == ""):
+            tdLog.info("no table, create first")
+            self.create_table()
+
+        tdLog.info("insert data to table")
+        for i in range(0, 10):
+            self.threadLock.acquire()
+            insertRows = 1000
+            tdLog.info("insert %d rows to %s" % (insertRows, current_tb))
+
+            for j in range(0, insertRows):
+                ret = tdSql.execute(
+                    'insert into %s values (now + %dm, %d)' %
+                    (current_tb, j, j))
+                written = written + 1
+            self.threadLock.release()
+
+    def query_data(self):
+        global current_tb
+        global last_tb
+        global written
+
+        if (written > 0):
+            tdLog.info("query data from table")
+            tdSql.query("select * from %s" % last_tb)
+            tdSql.checkRows(written)
+
+    def create_stable(self):
+        global current_tb
+        global last_tb
+        global written
+
+        tdLog.info("create a super table")
+
+    def restart_database(self):
+        global current_tb
+        global last_tb
+        global written
+
+        tdLog.info("restart databae")
+        tdDnodes.stop(1)
+        tdDnodes.start(1)
+        tdLog.sleep(5)
+
+    def force_restart(self):
+        global current_tb
+        global last_tb
+        global written
+
+        tdLog.info("force restart database")
+        tdDnodes.forcestop(1)
+        tdDnodes.start(1)
+        tdLog.sleep(5)
+
+    def drop_table(self):
+        global current_tb
+        global last_tb
+        global written
+
+        for i in range(0, 10):
+            self.threadLock.acquire()
+
+            tdLog.info("current_tb %s" % current_tb)
+
+            if (current_tb != ""):
+                tdLog.info("drop current tb %s" % current_tb)
+                tdSql.execute("drop table %s" % current_tb)
+                current_tb = ""
+                last_tb = ""
+                written = 0
+            tdLog.sleep(self.sleepTime)
+            self.threadLock.release()
+
+    def reset_query_cache(self):
+        global current_tb
+        global last_tb
+        global written
+
+        tdLog.info("reset query cache")
+        tdSql.execute("reset query cache")
+        tdLog.sleep(1)
+
+    def reset_database(self):
+        global current_tb
+        global last_tb
+        global written
+
+        tdLog.info("reset database")
+        tdDnodes.forcestop(1)
+        tdDnodes.deploy(1)
+        current_tb = ""
+        last_tb = ""
+        written = 0
+        tdDnodes.start(1)
+        tdSql.prepare()
+
+    def delete_datafiles(self):
+        global current_tb
+        global last_tb
+        global written
+
+        tdLog.info("delete data files")
+        dnodesDir = tdDnodes.getDnodesRootDir()
+        dataDir = dnodesDir + '/dnode1/*'
+        deleteCmd = 'rm -rf %s' % dataDir
+        os.system(deleteCmd)
+
+        current_tb = ""
+        last_tb = ""
+        written = 0
+        tdDnodes.start(1)
+        tdSql.prepare()
+
+    def run(self):
+        switch = {
+            1: self.create_table,
+            2: self.insert_data,
+            3: self.query_data,
+            4: self.create_stable,
+            5: self.restart_database,
+            6: self.force_restart,
+            7: self.drop_table,
+            8: self.reset_query_cache,
+            9: self.reset_database,
+            10: self.delete_datafiles,
+        }
+
+        switch.get(self.threadId, lambda: "ERROR")()
+
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+
+    def run(self):
+        tdSql.prepare()
+
+        test1 = Test(2, "insert_data", 1)
+        test2 = Test(7, "drop_table", 2)
+
+        test1.start()
+        test2.start()
+        test1.join()
+        test2.join()
+
+        tdLog.info("end of test")
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
diff --git a/tests/pytest/util/dnodes.py b/tests/pytest/util/dnodes.py
index 998c996ca2a3f275482ad4437845ec2cdde5d1d6..13038f4ddaa33cec981fdb1ae13a7a8bd0ba6346 100644
--- a/tests/pytest/util/dnodes.py
+++ b/tests/pytest/util/dnodes.py
@@ -163,7 +163,7 @@ class TDDnode:
         self.cfg("clog", "1")
         self.cfg("statusInterval", "1")
         self.cfg("numOfTotalVnodes", "64")
-        self.cfg("numOfMPeers", "3")
+        self.cfg("numOfMnodes", "3")
         self.cfg("numOfThreadsPerCore", "2.0")
         self.cfg("monitor", "0")
         self.cfg("maxVnodeConnections", "30000")
diff --git a/tests/script/general/alter/count.sim b/tests/script/general/alter/count.sim
index 11b2f6e2442118975e5b2fdef369d392a9d5b6f1..4728433dd2af02de7597f33d5bb7b652d4ea5a8b 100644
--- a/tests/script/general/alter/count.sim
+++ b/tests/script/general/alter/count.sim
@@ -3,7 +3,7 @@ system sh/stop_dnodes.sh
 system sh/deploy.sh -n dnode1 -i 1
 
 system sh/cfg.sh -n dnode1 -c wallevel -v 0
-system sh/cfg.sh -n dnode1 -c numOfMPeers -v 1
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode1 -c mnodeEqualVnodeNum -v 4
 
 print ========= start dnode1 as master
diff --git a/tests/script/general/alter/import.sim b/tests/script/general/alter/import.sim
index 801e716e8c47fc906d4a76541e0811deeeb6fcd1..0ad52373fc53d8b085c0112dbd2b1e713519a806 100644
--- a/tests/script/general/alter/import.sim
+++ b/tests/script/general/alter/import.sim
@@ -3,7 +3,7 @@ system sh/stop_dnodes.sh
 system sh/deploy.sh -n dnode1 -i 1
 
 system sh/cfg.sh -n dnode1 -c wallevel -v 0
-system sh/cfg.sh -n dnode1 -c numOfMPeers -v 1
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 1
 system sh/cfg.sh -n dnode1 -c mnodeEqualVnodeNum -v 4
 
 print ========= start dnode1 as master
diff --git a/tests/script/general/db/backup/keep.sim b/tests/script/general/db/backup/keep.sim
index f48ce0e4144aaa80a3cad507192a9df8d36375b2..156b32ba4c85764b2a53d77119c61aaff71baefc 100644
--- a/tests/script/general/db/backup/keep.sim
+++ b/tests/script/general/db/backup/keep.sim
@@ -9,9 +9,9 @@ system sh/deploy.sh -n dnode3 -i 3
 system sh/cfg.sh -n dnode1 -c walLevel -v 0
 system sh/cfg.sh -n dnode2 -c walLevel -v 0
 system sh/cfg.sh -n dnode3 -c walLevel -v 0
-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 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 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
diff --git a/tests/script/general/db/delete_reuse1.sim b/tests/script/general/db/delete_reuse1.sim
index 75a4cfaff03b366b4e9fa61b42b7488ef2ce644a..7b8687d340a4079c74f3203e1e2c22e37a80a0f4 100644
--- a/tests/script/general/db/delete_reuse1.sim
+++ b/tests/script/general/db/delete_reuse1.sim
@@ -10,10 +10,10 @@ system sh/cfg.sh -n dnode2 -c walLevel -v 0
 system sh/cfg.sh -n dnode3 -c walLevel -v 0
 system sh/cfg.sh -n dnode4 -c walLevel -v 0
 
-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 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 mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
diff --git a/tests/script/general/db/delete_reuse2.sim b/tests/script/general/db/delete_reuse2.sim
index 103242ee1bbc55e84e10df23cd922da62f8be467..d27a54ad95c1b373150fd429bef412035fa505a9 100644
--- a/tests/script/general/db/delete_reuse2.sim
+++ b/tests/script/general/db/delete_reuse2.sim
@@ -10,10 +10,10 @@ system sh/cfg.sh -n dnode2 -c walLevel -v 0
 system sh/cfg.sh -n dnode3 -c walLevel -v 0
 system sh/cfg.sh -n dnode4 -c walLevel -v 0
 
-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 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 mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
diff --git a/tests/script/general/db/delete_writing1.sim b/tests/script/general/db/delete_writing1.sim
index 01914e91a8eba85d6d24ce3d5ca39b782efa2a50..96783be030ecd68f1d984ec608af7d93ff34841d 100644
--- a/tests/script/general/db/delete_writing1.sim
+++ b/tests/script/general/db/delete_writing1.sim
@@ -10,10 +10,10 @@ system sh/cfg.sh -n dnode2 -c walLevel -v 0
 system sh/cfg.sh -n dnode3 -c walLevel -v 0
 system sh/cfg.sh -n dnode4 -c walLevel -v 0
 
-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 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 mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
diff --git a/tests/script/general/import/basic.sim b/tests/script/general/import/basic.sim
index b6e064c845de5ea45dc0c2d3358623f1470bc6fa..07febb2bd52155af1cec70f84a1fe60460815750 100644
--- a/tests/script/general/import/basic.sim
+++ b/tests/script/general/import/basic.sim
@@ -4,10 +4,10 @@ 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/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 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 mnodeEqualVnodeNum -v 10
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 10
diff --git a/tests/script/general/import/commit.sim b/tests/script/general/import/commit.sim
index 93bd93cf21dcf74ca4efebaf66cd9a1c4278dfd8..498bb4f2e6d6085ca62dd17060ff887ae8f75422 100644
--- a/tests/script/general/import/commit.sim
+++ b/tests/script/general/import/commit.sim
@@ -4,10 +4,10 @@ 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/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 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 mnodeEqualVnodeNum -v 10
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 10
diff --git a/tests/script/general/import/large.sim b/tests/script/general/import/large.sim
index 751eef785b83ddabdbe55ca9dd721993ca312150..5bf05a57fbdb3bf3c8bb123215686ccd5bdd4a8e 100644
--- a/tests/script/general/import/large.sim
+++ b/tests/script/general/import/large.sim
@@ -4,10 +4,10 @@ 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/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 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 mnodeEqualVnodeNum -v 10
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 10
diff --git a/tests/script/general/import/replica1.sim b/tests/script/general/import/replica1.sim
index 771f2a8cbbef5fb24cd2df928238958fd565d13b..c212e8723e7430102217403c9a8901fb480010a4 100644
--- a/tests/script/general/import/replica1.sim
+++ b/tests/script/general/import/replica1.sim
@@ -5,10 +5,10 @@ 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/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 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 mnodeEqualVnodeNum -v 10
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 10
diff --git a/tests/script/general/table/delete_reuse1.sim b/tests/script/general/table/delete_reuse1.sim
index 4727796a62479fcb6227af22fa76c07a6282cbd2..753d1e8a35429af0646dd6e8c818bbff473c0ab6 100644
--- a/tests/script/general/table/delete_reuse1.sim
+++ b/tests/script/general/table/delete_reuse1.sim
@@ -9,10 +9,10 @@ system sh/cfg.sh -n dnode2 -c walLevel -v 0
 system sh/cfg.sh -n dnode3 -c walLevel -v 0
 system sh/cfg.sh -n dnode4 -c walLevel -v 0
 
-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 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 mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
diff --git a/tests/script/general/table/delete_reuse2.sim b/tests/script/general/table/delete_reuse2.sim
index 9dfc0c5d4e366acf5106e1721cdc6e50f13ac0cc..1c74399348d5a9e407fd2264d4a5f8a16124545c 100644
--- a/tests/script/general/table/delete_reuse2.sim
+++ b/tests/script/general/table/delete_reuse2.sim
@@ -9,10 +9,10 @@ system sh/cfg.sh -n dnode2 -c walLevel -v 0
 system sh/cfg.sh -n dnode3 -c walLevel -v 0
 system sh/cfg.sh -n dnode4 -c walLevel -v 0
 
-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 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 mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
diff --git a/tests/script/general/table/delete_writing.sim b/tests/script/general/table/delete_writing.sim
index ac056f2212bae8ddf1a1996a479806e98197e2ca..853637967d086cf780ae7bec162a19833dc4074c 100644
--- a/tests/script/general/table/delete_writing.sim
+++ b/tests/script/general/table/delete_writing.sim
@@ -9,10 +9,10 @@ system sh/cfg.sh -n dnode2 -c walLevel -v 0
 system sh/cfg.sh -n dnode3 -c walLevel -v 0
 system sh/cfg.sh -n dnode4 -c walLevel -v 0
 
-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 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 mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
diff --git a/tests/script/sh/clear.sh b/tests/script/sh/clear.sh
index 3be31d15f9eb44ec05c8a811012ae9f86e504b9f..0d58b5aec475dce8d224b24f1dfbc3b9f45b5f58 100755
--- a/tests/script/sh/clear.sh
+++ b/tests/script/sh/clear.sh
@@ -111,7 +111,7 @@ echo "clog                0"              >> $TAOS_CFG
 echo "statusInterval      1"              >> $TAOS_CFG
 echo "numOfTotalVnodes    4"              >> $TAOS_CFG
 echo "asyncLog            0"              >> $TAOS_CFG
-echo "numOfMPeers         1"              >> $TAOS_CFG
+echo "numOfMnodes         1"              >> $TAOS_CFG
 echo "locale    en_US.UTF-8"              >> $TAOS_CFG
 
 
diff --git a/tests/script/sh/deploy.sh b/tests/script/sh/deploy.sh
index db40fb0457e559d736bf3258e40dc461d793a168..47f9f7109d87f287fa1aae5c06af4fcc4af56890 100755
--- a/tests/script/sh/deploy.sh
+++ b/tests/script/sh/deploy.sh
@@ -119,7 +119,7 @@ echo "clog                2"              >> $TAOS_CFG
 echo "statusInterval      1"              >> $TAOS_CFG
 echo "numOfTotalVnodes    4"              >> $TAOS_CFG
 echo "asyncLog            0"              >> $TAOS_CFG
-echo "numOfMPeers         1"              >> $TAOS_CFG
+echo "numOfMnodes         1"              >> $TAOS_CFG
 echo "locale    en_US.UTF-8"              >> $TAOS_CFG
 echo "anyIp               0"              >> $TAOS_CFG
 
diff --git a/tests/script/tmp/mnodes.sim b/tests/script/tmp/mnodes.sim
index 38d99bd214c1bc39e66f70f2b0f3926c100f702d..67f3648f6429700468b00b0221db32ab9e851c42 100644
--- a/tests/script/tmp/mnodes.sim
+++ b/tests/script/tmp/mnodes.sim
@@ -2,6 +2,6 @@ system sh/stop_dnodes.sh
 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/cfg.sh -n dnode1 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode3 -c numOfMPeers -v 3
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode3 -c numOfMnodes -v 3
diff --git a/tests/script/tmp/prepare.sim b/tests/script/tmp/prepare.sim
index be9e255eb892872120f4cfc134ac64c93ecfeec6..a71401d6e4709feec4bf60c3b1bb6eceba349179 100644
--- a/tests/script/tmp/prepare.sim
+++ b/tests/script/tmp/prepare.sim
@@ -10,10 +10,10 @@ system sh/cfg.sh -n dnode2 -c walLevel -v 2
 system sh/cfg.sh -n dnode3 -c walLevel -v 2
 system sh/cfg.sh -n dnode4 -c walLevel -v 2
 
-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 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 mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
diff --git a/tests/script/unique/arbitrator/dn3_mn1_replica2_wal1_AddDelDnode.sim b/tests/script/unique/arbitrator/dn3_mn1_replica2_wal1_AddDelDnode.sim
index eabaefd67850c4ee34b4739222e513dd8db6b39d..b3b1e0fe2262fc0c50c74202c71da7333adcddca 100644
--- a/tests/script/unique/arbitrator/dn3_mn1_replica2_wal1_AddDelDnode.sim
+++ b/tests/script/unique/arbitrator/dn3_mn1_replica2_wal1_AddDelDnode.sim
@@ -5,11 +5,11 @@ 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 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
diff --git a/tests/script/unique/arbitrator/replica_changeWithArbitrator.sim b/tests/script/unique/arbitrator/replica_changeWithArbitrator.sim
index d1b4a2ec72e9253025c37c1a9c9e2cd868ceb93f..fd69d955c3a33073ef1391c499bd7ea66f716839 100644
--- a/tests/script/unique/arbitrator/replica_changeWithArbitrator.sim
+++ b/tests/script/unique/arbitrator/replica_changeWithArbitrator.sim
@@ -3,9 +3,9 @@ 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/cfg.sh -n dnode1 -c numOfMPeers -v 2
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 2
-system sh/cfg.sh -n dnode3 -c numOfMPeers -v 2
+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 dnode1 -c walLevel -v 1
 system sh/cfg.sh -n dnode2 -c walLevel -v 1
diff --git a/tests/script/unique/cluster/balance1.sim b/tests/script/unique/cluster/balance1.sim
index 9130493a93b975665b3b0c55397ae3b4bc0c3201..47b23d16c996a483de9fc23027d4e5b3b93c541a 100644
--- a/tests/script/unique/cluster/balance1.sim
+++ b/tests/script/unique/cluster/balance1.sim
@@ -17,14 +17,14 @@ system sh/cfg.sh -n dnode6 -c numOfTotalVnodes -v 4
 system sh/cfg.sh -n dnode7 -c numOfTotalVnodes -v 4
 system sh/cfg.sh -n dnode8 -c numOfTotalVnodes -v 4
 
-system sh/cfg.sh -n dnode1 -c numOfMpeers -v 3
-system sh/cfg.sh -n dnode2 -c numOfMpeers -v 3
-system sh/cfg.sh -n dnode3 -c numOfMpeers -v 3
-system sh/cfg.sh -n dnode4 -c numOfMpeers -v 3
-system sh/cfg.sh -n dnode5 -c numOfMpeers -v 3
-system sh/cfg.sh -n dnode6 -c numOfMpeers -v 3
-system sh/cfg.sh -n dnode7 -c numOfMpeers -v 3
-system sh/cfg.sh -n dnode8 -c numOfMpeers -v 3
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode3 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode4 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode5 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode6 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode7 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode8 -c numOfMnodes -v 3
 
 system sh/cfg.sh -n dnode1 -c mnodeEqualVnodeNum -v 0
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 0
diff --git a/tests/script/unique/cluster/balance2.sim b/tests/script/unique/cluster/balance2.sim
index 56c0d538b6c31097bcb26043b70a4689bd591382..48670ee9b1feb58b849c2743ef6e153583c2658f 100644
--- a/tests/script/unique/cluster/balance2.sim
+++ b/tests/script/unique/cluster/balance2.sim
@@ -17,14 +17,14 @@ system sh/cfg.sh -n dnode6 -c numOfTotalVnodes -v 4
 system sh/cfg.sh -n dnode7 -c numOfTotalVnodes -v 4
 system sh/cfg.sh -n dnode8 -c numOfTotalVnodes -v 4
 
-system sh/cfg.sh -n dnode1 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode3 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode4 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode5 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode6 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode7 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode8 -c numOfMPeers -v 3
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode3 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode4 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode5 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode6 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode7 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode8 -c numOfMnodes -v 3
 
 system sh/cfg.sh -n dnode1 -c wallevel -v 1
 system sh/cfg.sh -n dnode2 -c wallevel -v 1
diff --git a/tests/script/unique/cluster/balance3.sim b/tests/script/unique/cluster/balance3.sim
index 346f027526c11681115c1521e1d72f160d0c6ad0..4f53a04daf1a7b90a684183fe1e68f0d1a008343 100644
--- a/tests/script/unique/cluster/balance3.sim
+++ b/tests/script/unique/cluster/balance3.sim
@@ -18,14 +18,14 @@ system sh/cfg.sh -n dnode6 -c numOfTotalVnodes -v 4
 system sh/cfg.sh -n dnode7 -c numOfTotalVnodes -v 4
 system sh/cfg.sh -n dnode8 -c numOfTotalVnodes -v 4
 
-system sh/cfg.sh -n dnode1 -c numOfMpeers -v 3
-system sh/cfg.sh -n dnode2 -c numOfMpeers -v 3
-system sh/cfg.sh -n dnode3 -c numOfMpeers -v 3
-system sh/cfg.sh -n dnode4 -c numOfMpeers -v 3
-system sh/cfg.sh -n dnode5 -c numOfMpeers -v 3
-system sh/cfg.sh -n dnode6 -c numOfMpeers -v 3
-system sh/cfg.sh -n dnode7 -c numOfMpeers -v 3
-system sh/cfg.sh -n dnode8 -c numOfMpeers -v 3
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode3 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode4 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode5 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode6 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode7 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode8 -c numOfMnodes -v 3
 
 system sh/cfg.sh -n dnode1 -c mnodeEqualVnodeNum -v 0
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 0
diff --git a/tests/script/unique/column/replica3.sim b/tests/script/unique/column/replica3.sim
index 4e45edc02d142f056d2f1593c78831d94fddf071..d294bf0a57719b08e741fbcea07297b58200bab3 100644
--- a/tests/script/unique/column/replica3.sim
+++ b/tests/script/unique/column/replica3.sim
@@ -6,9 +6,9 @@ system sh/deploy.sh -n dnode3 -i 3
 system sh/cfg.sh -n dnode1 -c wallevel -v 2
 system sh/cfg.sh -n dnode2 -c wallevel -v 2
 system sh/cfg.sh -n dnode3 -c wallevel -v 2
-system sh/cfg.sh -n dnode1 -c numofMpeers -v 3
-system sh/cfg.sh -n dnode2 -c numofMpeers -v 3
-system sh/cfg.sh -n dnode3 -c numofMpeers -v 3
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode3 -c numOfMnodes -v 3
 
 system sh/exec_up.sh -n dnode1 -s start
 sql connect
diff --git a/tests/script/unique/db/commit.sim b/tests/script/unique/db/commit.sim
index 95a6b92bb2984f98e663449fca78fb69e91db7b6..4cef0c56380cb630f2c7ee8fbcc93627620d136e 100644
--- a/tests/script/unique/db/commit.sim
+++ b/tests/script/unique/db/commit.sim
@@ -6,9 +6,9 @@ system sh/deploy.sh -n dnode3 -i 3
 system sh/cfg.sh -n dnode1 -c walLevel -v 2
 system sh/cfg.sh -n dnode2 -c walLevel -v 2
 system sh/cfg.sh -n dnode3 -c walLevel -v 2
-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 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 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
diff --git a/tests/script/unique/db/delete.sim b/tests/script/unique/db/delete.sim
index 5688333d20fc8867de16dbe5cc4705183d12d8df..1f9d27218321134d4d92979fc45a2414b13df287 100644
--- a/tests/script/unique/db/delete.sim
+++ b/tests/script/unique/db/delete.sim
@@ -6,9 +6,9 @@ system sh/deploy.sh -n dnode3 -i 3
 system sh/cfg.sh -n dnode1 -c wallevel -v 2
 system sh/cfg.sh -n dnode2 -c wallevel -v 2
 system sh/cfg.sh -n dnode3 -c wallevel -v 2
-system sh/cfg.sh -n dnode1 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode3 -c numOfMPeers -v 3
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode3 -c numOfMnodes -v 3
 system sh/cfg.sh -n dnode1 -c numOfTotalVnodes -v 10
 system sh/cfg.sh -n dnode2 -c numOfTotalVnodes -v 10
 system sh/cfg.sh -n dnode3 -c numOfTotalVnodes -v 10
diff --git a/tests/script/unique/db/delete_part.sim b/tests/script/unique/db/delete_part.sim
index 1bd103137b4471b15d7af0c342021d92ae31e0e8..a4ad615f60234c6cb928e95ffe60888389130097 100644
--- a/tests/script/unique/db/delete_part.sim
+++ b/tests/script/unique/db/delete_part.sim
@@ -9,10 +9,10 @@ system sh/cfg.sh -n dnode2 -c wallevel -v 2
 system sh/cfg.sh -n dnode3 -c wallevel -v 2
 system sh/cfg.sh -n dnode4 -c wallevel -v 2
 
-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 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 mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
diff --git a/tests/script/unique/db/replica_add12.sim b/tests/script/unique/db/replica_add12.sim
index ce7121db2e85c259b724ea979b72fbf993c6a64a..ec376d4e15fbc928787bf31fa4377dd0746e7ed9 100644
--- a/tests/script/unique/db/replica_add12.sim
+++ b/tests/script/unique/db/replica_add12.sim
@@ -10,10 +10,10 @@ system sh/cfg.sh -n dnode2 -c wallevel -v 2
 system sh/cfg.sh -n dnode3 -c wallevel -v 2
 system sh/cfg.sh -n dnode4 -c wallevel -v 2
 
-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 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 mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
diff --git a/tests/script/unique/db/replica_add13.sim b/tests/script/unique/db/replica_add13.sim
index b2bfef2b58007d1a875a15f10e8999331ed23f10..f6d1c9012ba346c54e52d8765a3d3db2d70cd114 100644
--- a/tests/script/unique/db/replica_add13.sim
+++ b/tests/script/unique/db/replica_add13.sim
@@ -10,10 +10,10 @@ system sh/cfg.sh -n dnode2 -c wallevel -v 2
 system sh/cfg.sh -n dnode3 -c wallevel -v 2
 system sh/cfg.sh -n dnode4 -c wallevel -v 2
 
-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 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 mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
diff --git a/tests/script/unique/db/replica_add23.sim b/tests/script/unique/db/replica_add23.sim
index 6df09d0cac71e9e6069a051c43bc028fffb5ad4d..4defaef153326a078eb46775b2bacf27c458cbc2 100644
--- a/tests/script/unique/db/replica_add23.sim
+++ b/tests/script/unique/db/replica_add23.sim
@@ -10,10 +10,10 @@ system sh/cfg.sh -n dnode2 -c wallevel -v 2
 system sh/cfg.sh -n dnode3 -c wallevel -v 2
 system sh/cfg.sh -n dnode4 -c wallevel -v 2
 
-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 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 mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
diff --git a/tests/script/unique/db/replica_part.sim b/tests/script/unique/db/replica_part.sim
index 6a41c430ea9324f188e9ec2aab4e8d2776219a8c..3011fac02c406e90e6acd0c673d21d8fc25fe8d5 100644
--- a/tests/script/unique/db/replica_part.sim
+++ b/tests/script/unique/db/replica_part.sim
@@ -7,9 +7,9 @@ system sh/deploy.sh -n dnode3 -i 3
 system sh/cfg.sh -n dnode1 -c wallevel -v 2
 system sh/cfg.sh -n dnode2 -c wallevel -v 2
 system sh/cfg.sh -n dnode3 -c wallevel -v 2
-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 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 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
diff --git a/tests/script/unique/db/replica_reduce21.sim b/tests/script/unique/db/replica_reduce21.sim
index 931382d8c400befbcb41553b049ac3ed9f4d71c2..efaa4fa95c201569ea7c3469723713a18bb2e2f7 100644
--- a/tests/script/unique/db/replica_reduce21.sim
+++ b/tests/script/unique/db/replica_reduce21.sim
@@ -7,9 +7,9 @@ system sh/deploy.sh -n dnode3 -i 3
 system sh/cfg.sh -n dnode1 -c wallevel -v 2
 system sh/cfg.sh -n dnode2 -c wallevel -v 2
 system sh/cfg.sh -n dnode3 -c wallevel -v 2
-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 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 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
diff --git a/tests/script/unique/db/replica_reduce31.sim b/tests/script/unique/db/replica_reduce31.sim
index 22c89d91b9a353ed7647ca9fec3152bbce6d0fca..98aec8dd19b644e0e4a58ddb9098879da1fdb1ce 100644
--- a/tests/script/unique/db/replica_reduce31.sim
+++ b/tests/script/unique/db/replica_reduce31.sim
@@ -7,9 +7,9 @@ system sh/deploy.sh -n dnode3 -i 3
 system sh/cfg.sh -n dnode1 -c wallevel -v 2
 system sh/cfg.sh -n dnode2 -c wallevel -v 2
 system sh/cfg.sh -n dnode3 -c wallevel -v 2
-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 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 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
diff --git a/tests/script/unique/db/replica_reduce32.sim b/tests/script/unique/db/replica_reduce32.sim
index 54069cb133675ee4600e954ae47ba0f7b78cc29a..735f9abb820731a06afa13e9c9925fe767b7ac6e 100644
--- a/tests/script/unique/db/replica_reduce32.sim
+++ b/tests/script/unique/db/replica_reduce32.sim
@@ -7,9 +7,9 @@ system sh/deploy.sh -n dnode3 -i 3
 system sh/cfg.sh -n dnode1 -c wallevel -v 2
 system sh/cfg.sh -n dnode2 -c wallevel -v 2
 system sh/cfg.sh -n dnode3 -c wallevel -v 2
-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 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 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
diff --git a/tests/script/unique/dnode/alternativeRole.sim b/tests/script/unique/dnode/alternativeRole.sim
index c9815fdf39eb506cce446951c195aa9c7e6cbaaa..7c33cac0dc1a62bb6f56d5a5744c07327cb74fc5 100644
--- a/tests/script/unique/dnode/alternativeRole.sim
+++ b/tests/script/unique/dnode/alternativeRole.sim
@@ -12,9 +12,9 @@ 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 dnode1 -c numOfMpeers -v 3
-system sh/cfg.sh -n dnode2 -c numOfMpeers -v 3
-system sh/cfg.sh -n dnode3 -c numOfMpeers -v 3
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode3 -c numOfMnodes -v 3
 
 print ========== step1
 system sh/exec_up.sh -n dnode1 -s start
diff --git a/tests/script/unique/import/replica2.sim b/tests/script/unique/import/replica2.sim
index 3f21fcf00d24d3efb7fcdfcd198c5bae2c1919ef..fab26a31cd715394277fb5e7dd4baf93eb793d13 100644
--- a/tests/script/unique/import/replica2.sim
+++ b/tests/script/unique/import/replica2.sim
@@ -5,10 +5,10 @@ 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/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 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 mnodeEqualVnodeNum -v 10
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 10
diff --git a/tests/script/unique/import/replica3.sim b/tests/script/unique/import/replica3.sim
index 8eb2df9942d19661dd8e8372e7bcbc19a18786bd..3939bc2e1be9c3c996e7f1fb2f5ed48e5ab9d27e 100644
--- a/tests/script/unique/import/replica3.sim
+++ b/tests/script/unique/import/replica3.sim
@@ -5,10 +5,10 @@ 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/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 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 mnodeEqualVnodeNum -v 10
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 10
diff --git a/tests/script/unique/mnode/mgmt22.sim b/tests/script/unique/mnode/mgmt22.sim
index c6ea026af9a522c29fb85701fe5c76bb547d87cc..e306b1b02a9f2b21abbaad6ae2ec2db7e0f38b6d 100644
--- a/tests/script/unique/mnode/mgmt22.sim
+++ b/tests/script/unique/mnode/mgmt22.sim
@@ -3,9 +3,9 @@ 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/cfg.sh -n dnode1 -c numOfMPeers -v 2
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 2
-system sh/cfg.sh -n dnode3 -c numOfMPeers -v 2
+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
 
 print ============== step1
 system sh/exec_up.sh -n dnode1 -s start
diff --git a/tests/script/unique/mnode/mgmt23.sim b/tests/script/unique/mnode/mgmt23.sim
index 8c144dd0c44e23dc381ead7aa3ff32815965b6e1..2a28f8daf98bd5ffa601858c31f250d8b2881094 100644
--- a/tests/script/unique/mnode/mgmt23.sim
+++ b/tests/script/unique/mnode/mgmt23.sim
@@ -3,9 +3,9 @@ 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/cfg.sh -n dnode1 -c numOfMPeers -v 2
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 2
-system sh/cfg.sh -n dnode3 -c numOfMPeers -v 2
+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
 
 print ============== step1
 system sh/exec_up.sh -n dnode1 -s start
@@ -91,7 +91,7 @@ print ============== step5
 sleep 2000
 sql create dnode $hostname2
 system sh/deploy.sh -n dnode2 -i 2
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 2
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 2
 system sh/exec_up.sh -n dnode2 -s start
 sleep 8000
 
diff --git a/tests/script/unique/mnode/mgmt24.sim b/tests/script/unique/mnode/mgmt24.sim
index 4813d96f5f36b584952a8f8025d0a7ac9297eb07..c989faca818d6b67ca44fd294737edb830447ad1 100644
--- a/tests/script/unique/mnode/mgmt24.sim
+++ b/tests/script/unique/mnode/mgmt24.sim
@@ -3,9 +3,9 @@ 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/cfg.sh -n dnode1 -c numOfMPeers -v 2
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 2
-system sh/cfg.sh -n dnode3 -c numOfMPeers -v 2
+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
 
 print ============== step1
 system sh/exec_up.sh -n dnode1 -s start
diff --git a/tests/script/unique/mnode/mgmt25.sim b/tests/script/unique/mnode/mgmt25.sim
index 8c8eeba466c31ab6efabd00e129a78d13c13ecd3..f955ac70c39a3ee185c94a7542d6166bcaacd0c9 100644
--- a/tests/script/unique/mnode/mgmt25.sim
+++ b/tests/script/unique/mnode/mgmt25.sim
@@ -3,9 +3,9 @@ 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/cfg.sh -n dnode1 -c numOfMPeers -v 2
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 2
-system sh/cfg.sh -n dnode3 -c numOfMPeers -v 2
+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
 
 print ============== step1
 system sh/exec_up.sh -n dnode1 -s start
diff --git a/tests/script/unique/mnode/mgmt26.sim b/tests/script/unique/mnode/mgmt26.sim
index 373a0abaed191075666085574dc013c3f1cb0721..170905195becf44f1e5029e7d54aa1e3f4532bf5 100644
--- a/tests/script/unique/mnode/mgmt26.sim
+++ b/tests/script/unique/mnode/mgmt26.sim
@@ -3,9 +3,9 @@ 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/cfg.sh -n dnode1 -c numOfMPeers -v 2
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 2
-system sh/cfg.sh -n dnode3 -c numOfMPeers -v 2
+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
 
 print ============== step1
 system sh/exec_up.sh -n dnode1 -s start
@@ -89,7 +89,7 @@ endi
 print ============== step5
 system sh/exec_up.sh -n dnode2 -s stop
 system sh/deploy.sh -n dnode2 -i 2
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 2
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 2
 sleep 5000
 system sh/exec_up.sh -n dnode2 -s start
 sql create dnode $hostname2
diff --git a/tests/script/unique/mnode/mgmt33.sim b/tests/script/unique/mnode/mgmt33.sim
index e3a62a2d22cae72ef7a12d9f85dc5da1046a88a3..4a1fbf00b672151fdb5e8f7055d947549c15c402 100644
--- a/tests/script/unique/mnode/mgmt33.sim
+++ b/tests/script/unique/mnode/mgmt33.sim
@@ -3,9 +3,9 @@ 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/cfg.sh -n dnode1 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode3 -c numOfMPeers -v 3
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode3 -c numOfMnodes -v 3
 
 print ============== step1
 system sh/exec_up.sh -n dnode1 -s start
@@ -97,7 +97,7 @@ system sh/exec_up.sh -n dnode2 -s stop
 sleep 3000
 
 system sh/deploy.sh -n dnode2 -i 2
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 3
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 3
 system sh/exec_up.sh -n dnode2 -s start
 
 print ============== step5
diff --git a/tests/script/unique/mnode/mgmt34.sim b/tests/script/unique/mnode/mgmt34.sim
index 4409c825c8138420ab853a787b8d8041bf544584..ada5321f1b298fca33e36b674566c1794d8cb1c7 100644
--- a/tests/script/unique/mnode/mgmt34.sim
+++ b/tests/script/unique/mnode/mgmt34.sim
@@ -5,10 +5,10 @@ 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/cfg.sh -n dnode1 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode3 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode4 -c numOfMPeers -v 3
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode3 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode4 -c numOfMnodes -v 3
 
 print ============== step1
 system sh/exec_up.sh -n dnode1 -s start
@@ -145,7 +145,7 @@ system sh/exec_up.sh -n dnode2 -s stop
 sleep 3000
 
 system sh/deploy.sh -n dnode2 -i 2
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 3
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 3
 system sh/exec_up.sh -n dnode2 -s start
 
 print ============== step6
diff --git a/tests/script/unique/mnode/mgmtr2.sim b/tests/script/unique/mnode/mgmtr2.sim
index 625e42a334dc9de7cb85111e17257878e8d2552c..77e5e601bb6493688a42307c34df52f8906a151f 100644
--- a/tests/script/unique/mnode/mgmtr2.sim
+++ b/tests/script/unique/mnode/mgmtr2.sim
@@ -3,9 +3,9 @@ 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/cfg.sh -n dnode1 -c numOfMPeers -v 2
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 2
-system sh/cfg.sh -n dnode3 -c numOfMPeers -v 2
+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
 
 print ============== step1
 system sh/exec_up.sh -n dnode1 -s start
diff --git a/tests/script/unique/stream/metrics_balance.sim b/tests/script/unique/stream/metrics_balance.sim
index 6ca5de96f6115fddbfab9627083da98274ae1447..e306da3cce90237088542e7be637f7e4aee28097 100644
--- a/tests/script/unique/stream/metrics_balance.sim
+++ b/tests/script/unique/stream/metrics_balance.sim
@@ -18,8 +18,8 @@ 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 dnode1 -c tableMetaKeepTimer -v 5
 system sh/cfg.sh -n dnode2 -c tableMetaKeepTimer -v 5
-system sh/cfg.sh -n dnode1 -c numOfMPeers -v 2
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 2
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 2
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 2
 
 $dbPrefix = db
 $tbPrefix = tb
diff --git a/tests/script/unique/stream/metrics_vnode_stop.sim b/tests/script/unique/stream/metrics_vnode_stop.sim
index 4f85d75e7f9fb3561c20e635be2eaca385fcaf02..1f9cab48e5f738dabe1e07fa5b1017eb23282ac0 100644
--- a/tests/script/unique/stream/metrics_vnode_stop.sim
+++ b/tests/script/unique/stream/metrics_vnode_stop.sim
@@ -6,8 +6,8 @@ system sh/deploy.sh -n dnode1 -i 1
 system sh/deploy.sh -n dnode2 -i 2
 system sh/cfg.sh -n dnode1 -c walLevel -v 0
 system sh/cfg.sh -n dnode2 -c walLevel -v 0
-system sh/cfg.sh -n dnode1 -c numOfMPeers -v 2
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 2
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 2
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 2
 system sh/exec.sh -n dnode1 -s start
 
 sql connect
diff --git a/tests/script/unique/stream/table_balance.sim b/tests/script/unique/stream/table_balance.sim
index 9cb87557d14fd13ca74adeb3452e8c16598372c5..992b4c08eebfb5a81979ad8b71815d0503175049 100644
--- a/tests/script/unique/stream/table_balance.sim
+++ b/tests/script/unique/stream/table_balance.sim
@@ -16,8 +16,8 @@ system sh/cfg.sh -n dnode1 -c mnodeEqualVnodeNum -v 0
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 0
 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 dnode1 -c numOfMPeers -v 2
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 2
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 2
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 2
 
 $dbPrefix = tb_db
 $tbPrefix = tb_tb
diff --git a/tests/script/unique/stream/table_move.sim b/tests/script/unique/stream/table_move.sim
index 41fbcae4ce715c40d7e024114a5b4c42102384b1..0f264ade33f62a443a938e88470a9109f634057b 100644
--- a/tests/script/unique/stream/table_move.sim
+++ b/tests/script/unique/stream/table_move.sim
@@ -40,10 +40,10 @@ 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 dnode1 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode3 -c numOfMPeers -v 3
-system sh/cfg.sh -n dnode4 -c numOfMPeers -v 3
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode3 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode4 -c numOfMnodes -v 3
 
 system sh/cfg.sh -n dnode1 -c maxVnodeConnections -v 1000
 system sh/cfg.sh -n dnode1 -c maxMeterConnections -v 1000
diff --git a/tests/script/unique/stream/table_vnode_stop.sim b/tests/script/unique/stream/table_vnode_stop.sim
index 8528ee675586941d99b0e3d5b16571b3cf5bbf3e..16350949b12e53dd452e1fba46524352a1953408 100644
--- a/tests/script/unique/stream/table_vnode_stop.sim
+++ b/tests/script/unique/stream/table_vnode_stop.sim
@@ -6,8 +6,8 @@ system sh/deploy.sh -n dnode1 -i 1
 system sh/deploy.sh -n dnode2 -i 2
 system sh/cfg.sh -n dnode1 -c walLevel -v 0
 system sh/cfg.sh -n dnode2 -c walLevel -v 0
-system sh/cfg.sh -n dnode1 -c numOfMPeers -v 2
-system sh/cfg.sh -n dnode2 -c numOfMPeers -v 2
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 2
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 2
 system sh/exec.sh -n dnode1 -s start
 
 sql connect
diff --git a/tests/script/unique/vnode/many.sim b/tests/script/unique/vnode/many.sim
index 2b4ec01c2d79eded78909128d214844a19cbc8f5..4b7fb8ffc47e9a8b669f6506458b21ad5267e3bf 100644
--- a/tests/script/unique/vnode/many.sim
+++ b/tests/script/unique/vnode/many.sim
@@ -8,10 +8,10 @@ system sh/cfg.sh -n dnode1 -c wallevel -v 2
 system sh/cfg.sh -n dnode2 -c wallevel -v 2
 system sh/cfg.sh -n dnode3 -c wallevel -v 2
 system sh/cfg.sh -n dnode4 -c wallevel -v 2
-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 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 mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode3 -c mnodeEqualVnodeNum -v 4
diff --git a/tests/script/unique/vnode/replica2_basic2.sim b/tests/script/unique/vnode/replica2_basic2.sim
index 114ac9b29f343e143bce74649ca25eeacbbc0d63..6468538ec629152223580ac9a9f350e1a1165ea2 100644
--- a/tests/script/unique/vnode/replica2_basic2.sim
+++ b/tests/script/unique/vnode/replica2_basic2.sim
@@ -10,10 +10,10 @@ system sh/cfg.sh -n dnode2 -c wallevel -v 2
 system sh/cfg.sh -n dnode3 -c wallevel -v 2
 system sh/cfg.sh -n dnode4 -c wallevel -v 2
 
-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 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 mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
diff --git a/tests/script/unique/vnode/replica2_repeat.sim b/tests/script/unique/vnode/replica2_repeat.sim
index 57f51316ad58aea85bc8e67cc1df67715b48c802..4b024bfc9cb0ea8e81cc9cb4afc3ada5de805390 100644
--- a/tests/script/unique/vnode/replica2_repeat.sim
+++ b/tests/script/unique/vnode/replica2_repeat.sim
@@ -8,10 +8,10 @@ system sh/cfg.sh -n dnode1 -c wallevel -v 2
 system sh/cfg.sh -n dnode2 -c wallevel -v 2
 system sh/cfg.sh -n dnode3 -c wallevel -v 2
 system sh/cfg.sh -n dnode4 -c wallevel -v 2
-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 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 mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode3 -c mnodeEqualVnodeNum -v 4
diff --git a/tests/script/unique/vnode/replica3_basic.sim b/tests/script/unique/vnode/replica3_basic.sim
index 62910b947afdd5f3483c6d8e3ced05098ba3ac7e..288996548f851598f5451858980e2ea3bd0beac2 100644
--- a/tests/script/unique/vnode/replica3_basic.sim
+++ b/tests/script/unique/vnode/replica3_basic.sim
@@ -6,9 +6,9 @@ system sh/deploy.sh -n dnode3 -i 3
 system sh/cfg.sh -n dnode1 -c wallevel -v 2
 system sh/cfg.sh -n dnode2 -c wallevel -v 2
 system sh/cfg.sh -n dnode3 -c wallevel -v 2
-system sh/cfg.sh -n dnode1 -c numofMpeers -v 3
-system sh/cfg.sh -n dnode2 -c numofMpeers -v 3
-system sh/cfg.sh -n dnode3 -c numofMpeers -v 3
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode3 -c numOfMnodes -v 3
 
 system sh/exec_up.sh -n dnode1 -s start
 sql connect
diff --git a/tests/script/unique/vnode/replica3_repeat.sim b/tests/script/unique/vnode/replica3_repeat.sim
index a6f423bf9a33ed373c42a1cb65620d68cf539883..b184bf194caffe893aac06485ffcf8d57bf101de 100644
--- a/tests/script/unique/vnode/replica3_repeat.sim
+++ b/tests/script/unique/vnode/replica3_repeat.sim
@@ -8,10 +8,10 @@ system sh/cfg.sh -n dnode1 -c wallevel -v 2
 system sh/cfg.sh -n dnode2 -c wallevel -v 2
 system sh/cfg.sh -n dnode3 -c wallevel -v 2
 system sh/cfg.sh -n dnode4 -c wallevel -v 2
-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 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 mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode2 -c mnodeEqualVnodeNum -v 4
 system sh/cfg.sh -n dnode3 -c mnodeEqualVnodeNum -v 4
diff --git a/tests/script/unique/vnode/replica3_vgroup.sim b/tests/script/unique/vnode/replica3_vgroup.sim
index 6315a4335cf47abe6f3b42ca7db4a2406fc90c5f..beb0667d08a8399fc9870650faaa57ccaafb2a6e 100644
--- a/tests/script/unique/vnode/replica3_vgroup.sim
+++ b/tests/script/unique/vnode/replica3_vgroup.sim
@@ -6,9 +6,9 @@ system sh/deploy.sh -n dnode3 -i 3
 system sh/cfg.sh -n dnode1 -c wallevel -v 2
 system sh/cfg.sh -n dnode2 -c wallevel -v 2
 system sh/cfg.sh -n dnode3 -c wallevel -v 2
-system sh/cfg.sh -n dnode1 -c numofMpeers -v 3
-system sh/cfg.sh -n dnode2 -c numofMpeers -v 3
-system sh/cfg.sh -n dnode3 -c numofMpeers -v 3
+system sh/cfg.sh -n dnode1 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode2 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode3 -c numOfMnodes -v 3
 
 system sh/exec_up.sh -n dnode1 -s start
 sql connect