diff --git a/include/libs/catalog/catalog.h b/include/libs/catalog/catalog.h
index e64fb4235cc6c9c765f7aff4285683b7d2d2cbbd..e68d799dc1dc5bc19113f549e2fc7f40373cfcef 100644
--- a/include/libs/catalog/catalog.h
+++ b/include/libs/catalog/catalog.h
@@ -64,7 +64,7 @@ typedef struct SCatalogReq {
 } SCatalogReq;
 
 typedef struct SMetaData {
-  SArray    *pTableMeta;  // SArray<STableMeta>
+  SArray    *pTableMeta;  // SArray<STableMeta*>
   SArray    *pDbVgroup;   // SArray<SArray<SVgroupInfo>*>
   SArray    *pTableHash;  // SArray<SVgroupInfo>
   SArray    *pUdfList;    // SArray<SFuncInfo>
@@ -248,6 +248,8 @@ int32_t catalogGetTableHashVgroup(SCatalog* pCatalog, void * pTransporter, const
  */
 int32_t catalogGetAllMeta(SCatalog* pCatalog, void *pTransporter, const SEpSet* pMgmtEps, const SCatalogReq* pReq, SMetaData* pRsp);
 
+int32_t catalogAsyncGetAllMeta(SCatalog* pCtg, void *pTrans, const SEpSet* pMgmtEps, uint64_t reqId, const SCatalogReq* pReq, catalogCallback fp, void* param, int64_t* jobId);
+
 int32_t catalogGetQnodeList(SCatalog* pCatalog, void *pTransporter, const SEpSet* pMgmtEps, SArray* pQnodeList);
 
 int32_t catalogGetExpiredSTables(SCatalog* pCatalog, SSTableMetaVersion **stables, uint32_t *num);
@@ -267,6 +269,9 @@ int32_t catalogChkAuth(SCatalog* pCtg, void *pRpc, const SEpSet* pMgmtEps, const
 int32_t catalogUpdateUserAuthInfo(SCatalog* pCtg, SGetUserAuthRsp* pAuth);
 
 
+int32_t ctgdLaunchAsyncCall(SCatalog* pCtg, void *pTrans, const SEpSet* pMgmtEps, uint64_t reqId);
+
+
 /**
  * Destroy catalog and relase all resources
  */
diff --git a/include/libs/qcom/query.h b/include/libs/qcom/query.h
index 68a1e08f518f5c5e230076cd56344ea1161804cb..6b1f2903a3584b95e51eb602c1ed20d3b9ae3f6b 100644
--- a/include/libs/qcom/query.h
+++ b/include/libs/qcom/query.h
@@ -180,7 +180,7 @@ char*   jobTaskStatusStr(int32_t status);
 
 SSchema createSchema(int8_t type, int32_t bytes, col_id_t colId, const char* name);
 
-extern int32_t (*queryBuildMsg[TDMT_MAX])(void* input, char** msg, int32_t msgSize, int32_t* msgLen);
+extern int32_t (*queryBuildMsg[TDMT_MAX])(void *input, char **msg, int32_t msgSize, int32_t *msgLen, void*(*mallocFp)(int32_t));
 extern int32_t (*queryProcessMsgRsp[TDMT_MAX])(void* output, char* msg, int32_t msgSize);
 
 #define SET_META_TYPE_NULL(t)       (t) = META_TYPE_NULL_TABLE
diff --git a/source/libs/catalog/inc/catalogInt.h b/source/libs/catalog/inc/catalogInt.h
index 9f66b6c598de2dcb3c1c32190760c74719ccb414..d59bd1c50b03b9b53d7bd161bc482d9024e1384e 100644
--- a/source/libs/catalog/inc/catalogInt.h
+++ b/source/libs/catalog/inc/catalogInt.h
@@ -171,7 +171,7 @@ typedef struct SCtgJob {
   uint64_t         queryId;
   SCatalog*        pCtg; 
   void*            pTrans; 
-  const SEpSet*    pMgmtEps;
+  SEpSet           pMgmtEps;
   void*            userParam;
   catalogCallback  userFp;
   int32_t          tbMetaNum;
diff --git a/source/libs/catalog/src/catalog.c b/source/libs/catalog/src/catalog.c
index 4afebf9951db2a895ef4b8c728e7b99fe979ce35..98d40930aca412f9b8b65ebded5d79d9754e036e 100644
--- a/source/libs/catalog/src/catalog.c
+++ b/source/libs/catalog/src/catalog.c
@@ -327,28 +327,31 @@ int32_t ctgChkAuth(SCatalog* pCtg, void *pTrans, const SEpSet* pMgmtEps, const c
     return TSDB_CODE_SUCCESS;
   }
 
-  SGetUserAuthRsp authRsp = {0};
-  CTG_ERR_RET(ctgGetUserDbAuthFromMnode(CTG_PARAMS_LIST(), user, &authRsp, NULL));
+  SGetUserAuthRsp* authRsp = taosMemoryCalloc(1, sizeof(SGetUserAuthRsp));
+  if (NULL == authRsp) {
+    CTG_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
+  }
+  CTG_ERR_RET(ctgGetUserDbAuthFromMnode(CTG_PARAMS_LIST(), user, authRsp, NULL));
   
-  if (authRsp.superAuth) {
+  if (authRsp->superAuth) {
     *pass = true;
     goto _return;
   }
 
-  if (authRsp.createdDbs && taosHashGet(authRsp.createdDbs, dbFName, strlen(dbFName))) {
+  if (authRsp->createdDbs && taosHashGet(authRsp->createdDbs, dbFName, strlen(dbFName))) {
     *pass = true;
     goto _return;
   }
 
-  if (type == AUTH_TYPE_READ && authRsp.readDbs && taosHashGet(authRsp.readDbs, dbFName, strlen(dbFName))) {
+  if (type == AUTH_TYPE_READ && authRsp->readDbs && taosHashGet(authRsp->readDbs, dbFName, strlen(dbFName))) {
     *pass = true;
-  } else if (type == AUTH_TYPE_WRITE && authRsp.writeDbs && taosHashGet(authRsp.writeDbs, dbFName, strlen(dbFName))) {
+  } else if (type == AUTH_TYPE_WRITE && authRsp->writeDbs && taosHashGet(authRsp->writeDbs, dbFName, strlen(dbFName))) {
     *pass = true;
   }
 
 _return:
 
-  ctgPutUpdateUserToQueue(pCtg, &authRsp, false);
+  ctgPutUpdateUserToQueue(pCtg, authRsp, false);
 
   return TSDB_CODE_SUCCESS;
 }
diff --git a/source/libs/catalog/src/ctgAsync.c b/source/libs/catalog/src/ctgAsync.c
index 4908dc510116a2347796239d6dd2708df29f2cf8..b3e4bf6d22cfc79a4d865698c9219584a0a65934 100644
--- a/source/libs/catalog/src/ctgAsync.c
+++ b/source/libs/catalog/src/ctgAsync.c
@@ -21,173 +21,189 @@
 #include "tref.h"
 
 int32_t ctgInitGetTbMetaTask(SCtgJob *pJob, int32_t taskIdx, SName *name) {
-  SCtgTask *pTask = taosArrayGet(pJob->pTasks, taskIdx);
+  SCtgTask task = {0};
 
-  pTask->type = CTG_TASK_GET_TB_META;
-  pTask->taskId = taskIdx;
-  pTask->pJob = pJob;
+  task.type = CTG_TASK_GET_TB_META;
+  task.taskId = taskIdx;
+  task.pJob = pJob;
 
-  pTask->taskCtx = taosMemoryCalloc(1, sizeof(SCtgTbMetaCtx));
-  if (NULL == pTask->taskCtx) {
+  task.taskCtx = taosMemoryCalloc(1, sizeof(SCtgTbMetaCtx));
+  if (NULL == task.taskCtx) {
     CTG_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
   }
 
-  SCtgTbMetaCtx* ctx = pTask->taskCtx;
+  SCtgTbMetaCtx* ctx = task.taskCtx;
   ctx->pName = taosMemoryMalloc(sizeof(*name));
   if (NULL == ctx->pName) {
-    taosMemoryFree(pTask->taskCtx);
+    taosMemoryFree(task.taskCtx);
     CTG_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
   }
   
   memcpy(ctx->pName, name, sizeof(*name));
   ctx->flag = CTG_FLAG_UNKNOWN_STB;
 
-  qDebug("QID:%" PRIx64 " task %d type %d initialized, tableName:%s", pJob->queryId, taskIdx, pTask->type, name->tname);
+  taosArrayPush(pJob->pTasks, &task);
+
+  qDebug("QID:%" PRIx64 " task %d type %d initialized, tableName:%s", pJob->queryId, taskIdx, task.type, name->tname);
 
   return TSDB_CODE_SUCCESS;
 }
 
 int32_t ctgInitGetDbVgTask(SCtgJob *pJob, int32_t taskIdx, char *dbFName) {
-  SCtgTask *pTask = taosArrayGet(pJob->pTasks, taskIdx);
+  SCtgTask task = {0};
 
-  pTask->type = CTG_TASK_GET_DB_VGROUP;
-  pTask->taskId = taskIdx;
-  pTask->pJob = pJob;
+  task.type = CTG_TASK_GET_DB_VGROUP;
+  task.taskId = taskIdx;
+  task.pJob = pJob;
 
-  pTask->taskCtx = taosMemoryCalloc(1, sizeof(SCtgDbVgCtx));
-  if (NULL == pTask->taskCtx) {
+  task.taskCtx = taosMemoryCalloc(1, sizeof(SCtgDbVgCtx));
+  if (NULL == task.taskCtx) {
     CTG_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
   }
 
-  SCtgDbVgCtx* ctx = pTask->taskCtx;
+  SCtgDbVgCtx* ctx = task.taskCtx;
   
   memcpy(ctx->dbFName, dbFName, sizeof(ctx->dbFName));
 
-  qDebug("QID:%" PRIx64 " task %d type %d initialized, dbFName:%s", pJob->queryId, taskIdx, pTask->type, dbFName);
+  taosArrayPush(pJob->pTasks, &task);
+
+  qDebug("QID:%" PRIx64 " task %d type %d initialized, dbFName:%s", pJob->queryId, taskIdx, task.type, dbFName);
 
   return TSDB_CODE_SUCCESS;
 }
 
 int32_t ctgInitGetDbCfgTask(SCtgJob *pJob, int32_t taskIdx, char *dbFName) {
-  SCtgTask *pTask = taosArrayGet(pJob->pTasks, taskIdx);
+  SCtgTask task = {0};
 
-  pTask->type = CTG_TASK_GET_DB_CFG;
-  pTask->taskId = taskIdx;
-  pTask->pJob = pJob;
+  task.type = CTG_TASK_GET_DB_CFG;
+  task.taskId = taskIdx;
+  task.pJob = pJob;
 
-  pTask->taskCtx = taosMemoryCalloc(1, sizeof(SCtgDbCfgCtx));
-  if (NULL == pTask->taskCtx) {
+  task.taskCtx = taosMemoryCalloc(1, sizeof(SCtgDbCfgCtx));
+  if (NULL == task.taskCtx) {
     CTG_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
   }
 
-  SCtgDbCfgCtx* ctx = pTask->taskCtx;
+  SCtgDbCfgCtx* ctx = task.taskCtx;
   
   memcpy(ctx->dbFName, dbFName, sizeof(ctx->dbFName));
 
-  qDebug("QID:%" PRIx64 " task %d type %d initialized, dbFName:%s", pJob->queryId, taskIdx, pTask->type, dbFName);
+  taosArrayPush(pJob->pTasks, &task);
+
+  qDebug("QID:%" PRIx64 " task %d type %d initialized, dbFName:%s", pJob->queryId, taskIdx, task.type, dbFName);
 
   return TSDB_CODE_SUCCESS;
 }
 
 int32_t ctgInitGetTbHashTask(SCtgJob *pJob, int32_t taskIdx, SName *name) {
-  SCtgTask *pTask = taosArrayGet(pJob->pTasks, taskIdx);
+  SCtgTask task = {0};
 
-  pTask->type = CTG_TASK_GET_TB_HASH;
-  pTask->taskId = taskIdx;
-  pTask->pJob = pJob;
+  task.type = CTG_TASK_GET_TB_HASH;
+  task.taskId = taskIdx;
+  task.pJob = pJob;
 
-  pTask->taskCtx = taosMemoryCalloc(1, sizeof(SCtgTbHashCtx));
-  if (NULL == pTask->taskCtx) {
+  task.taskCtx = taosMemoryCalloc(1, sizeof(SCtgTbHashCtx));
+  if (NULL == task.taskCtx) {
     CTG_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
   }
 
-  SCtgTbHashCtx* ctx = pTask->taskCtx;
+  SCtgTbHashCtx* ctx = task.taskCtx;
   ctx->pName = taosMemoryMalloc(sizeof(*name));
   if (NULL == ctx->pName) {
-    taosMemoryFree(pTask->taskCtx);
+    taosMemoryFree(task.taskCtx);
     CTG_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
   }
   
   memcpy(ctx->pName, name, sizeof(*name));
   tNameGetFullDbName(ctx->pName, ctx->dbFName);
 
-  qDebug("QID:%" PRIx64 " task %d type %d initialized, tableName:%s", pJob->queryId, taskIdx, pTask->type, name->tname);
+  taosArrayPush(pJob->pTasks, &task);
+
+  qDebug("QID:%" PRIx64 " task %d type %d initialized, tableName:%s", pJob->queryId, taskIdx, task.type, name->tname);
 
   return TSDB_CODE_SUCCESS;
 }
 
 int32_t ctgInitGetQnodeTask(SCtgJob *pJob, int32_t taskIdx) {
-  SCtgTask *pTask = taosArrayGet(pJob->pTasks, taskIdx);
+  SCtgTask task = {0};
+
+  task.type = CTG_TASK_GET_QNODE;
+  task.taskId = taskIdx;
+  task.pJob = pJob;
+  task.taskCtx = NULL;
 
-  pTask->type = CTG_TASK_GET_QNODE;
-  pTask->taskId = taskIdx;
-  pTask->pJob = pJob;
-  pTask->taskCtx = NULL;
+  taosArrayPush(pJob->pTasks, &task);
 
-  qDebug("QID:%" PRIx64 " task %d type %d initialized", pJob->queryId, taskIdx, pTask->type);
+  qDebug("QID:%" PRIx64 " task %d type %d initialized", pJob->queryId, taskIdx, task.type);
 
   return TSDB_CODE_SUCCESS;
 }
 
 int32_t ctgInitGetIndexTask(SCtgJob *pJob, int32_t taskIdx, char *name) {
-  SCtgTask *pTask = taosArrayGet(pJob->pTasks, taskIdx);
+  SCtgTask task = {0};
 
-  pTask->type = CTG_TASK_GET_INDEX;
-  pTask->taskId = taskIdx;
-  pTask->pJob = pJob;
+  task.type = CTG_TASK_GET_INDEX;
+  task.taskId = taskIdx;
+  task.pJob = pJob;
 
-  pTask->taskCtx = taosMemoryCalloc(1, sizeof(SCtgIndexCtx));
-  if (NULL == pTask->taskCtx) {
+  task.taskCtx = taosMemoryCalloc(1, sizeof(SCtgIndexCtx));
+  if (NULL == task.taskCtx) {
     CTG_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
   }
 
-  SCtgIndexCtx* ctx = pTask->taskCtx;
+  SCtgIndexCtx* ctx = task.taskCtx;
   
   strcpy(ctx->indexFName, name);
 
-  qDebug("QID:%" PRIx64 " task %d type %d initialized, indexFName:%s", pJob->queryId, taskIdx, pTask->type, name);
+  taosArrayPush(pJob->pTasks, &task);
+
+  qDebug("QID:%" PRIx64 " task %d type %d initialized, indexFName:%s", pJob->queryId, taskIdx, task.type, name);
 
   return TSDB_CODE_SUCCESS;
 }
 
 int32_t ctgInitGetUdfTask(SCtgJob *pJob, int32_t taskIdx, char *name) {
-  SCtgTask *pTask = taosArrayGet(pJob->pTasks, taskIdx);
+  SCtgTask task = {0};
 
-  pTask->type = CTG_TASK_GET_UDF;
-  pTask->taskId = taskIdx;
-  pTask->pJob = pJob;
+  task.type = CTG_TASK_GET_UDF;
+  task.taskId = taskIdx;
+  task.pJob = pJob;
 
-  pTask->taskCtx = taosMemoryCalloc(1, sizeof(SCtgUdfCtx));
-  if (NULL == pTask->taskCtx) {
+  task.taskCtx = taosMemoryCalloc(1, sizeof(SCtgUdfCtx));
+  if (NULL == task.taskCtx) {
     CTG_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
   }
 
-  SCtgUdfCtx* ctx = pTask->taskCtx;
+  SCtgUdfCtx* ctx = task.taskCtx;
   
   strcpy(ctx->udfName, name);
 
-  qDebug("QID:%" PRIx64 " task %d type %d initialized, udfName:%s", pJob->queryId, taskIdx, pTask->type, name);
+  taosArrayPush(pJob->pTasks, &task);
+
+  qDebug("QID:%" PRIx64 " task %d type %d initialized, udfName:%s", pJob->queryId, taskIdx, task.type, name);
 
   return TSDB_CODE_SUCCESS;
 }
 
 int32_t ctgInitGetUserTask(SCtgJob *pJob, int32_t taskIdx, SUserAuthInfo *user) {
-  SCtgTask *pTask = taosArrayGet(pJob->pTasks, taskIdx);
+  SCtgTask task = {0};
 
-  pTask->type = CTG_TASK_GET_USER;
-  pTask->taskId = taskIdx;
-  pTask->pJob = pJob;
+  task.type = CTG_TASK_GET_USER;
+  task.taskId = taskIdx;
+  task.pJob = pJob;
 
-  pTask->taskCtx = taosMemoryCalloc(1, sizeof(SCtgUserCtx));
-  if (NULL == pTask->taskCtx) {
+  task.taskCtx = taosMemoryCalloc(1, sizeof(SCtgUserCtx));
+  if (NULL == task.taskCtx) {
     CTG_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
   }
 
-  SCtgUserCtx* ctx = pTask->taskCtx;
+  SCtgUserCtx* ctx = task.taskCtx;
   
   memcpy(&ctx->user, user, sizeof(*user));
 
-  qDebug("QID:%" PRIx64 " task %d type %d initialized, user:%s", pJob->queryId, taskIdx, pTask->type, user->user);
+  taosArrayPush(pJob->pTasks, &task);
+
+  qDebug("QID:%" PRIx64 " task %d type %d initialized, user:%s", pJob->queryId, taskIdx, task.type, user->user);
 
   return TSDB_CODE_SUCCESS;
 }
@@ -222,7 +238,7 @@ int32_t ctgInitJob(CTG_PARAMS, SCtgJob** job, uint64_t reqId, const SCatalogReq*
   pJob->userFp = fp;
   pJob->pCtg    = pCtg;
   pJob->pTrans    = pTrans;
-  pJob->pMgmtEps    = pMgmtEps;
+  pJob->pMgmtEps    = *pMgmtEps;
   pJob->userParam = param;
   
   pJob->tbMetaNum = tbMetaNum;
@@ -303,15 +319,13 @@ _return:
 int32_t ctgDumpTbMetaRes(SCtgTask* pTask) {
   SCtgJob* pJob = pTask->pJob;
   if (NULL == pJob->jobRes.pTableMeta) {
-    pJob->jobRes.pTableMeta = taosArrayInit(pJob->tbMetaNum, sizeof(STableMeta));
+    pJob->jobRes.pTableMeta = taosArrayInit(pJob->tbMetaNum, POINTER_BYTES);
     if (NULL == pJob->jobRes.pTableMeta) {
       CTG_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
     }
   }
 
-  taosArrayPush(pJob->jobRes.pTableMeta, pTask->res);
-
-  taosMemoryFreeClear(pTask->res);
+  taosArrayPush(pJob->jobRes.pTableMeta, &pTask->res);
 
   return TSDB_CODE_SUCCESS;
 }
@@ -340,7 +354,7 @@ int32_t ctgDumpTbHashRes(SCtgTask* pTask) {
     }
   }
 
-  taosArrayPush(pJob->jobRes.pTableHash, &pTask->res);
+  taosArrayPush(pJob->jobRes.pTableHash, pTask->res);
 
   return TSDB_CODE_SUCCESS;
 }
@@ -376,7 +390,7 @@ int32_t ctgDumpDbCfgRes(SCtgTask* pTask) {
     }
   }
 
-  taosArrayPush(pJob->jobRes.pDbCfg, &pTask->res);
+  taosArrayPush(pJob->jobRes.pDbCfg, pTask->res);
 
   return TSDB_CODE_SUCCESS;
 }
@@ -451,7 +465,7 @@ int32_t ctgHandleGetTbMetaRsp(SCtgTask* pTask, int32_t reqType, const SDataBuf *
   SCtgTbMetaCtx* ctx = (SCtgTbMetaCtx*)pTask->taskCtx;
   SCatalog* pCtg = pTask->pJob->pCtg; 
   void *pTrans = pTask->pJob->pTrans; 
-  const SEpSet* pMgmtEps = pTask->pJob->pMgmtEps;
+  const SEpSet* pMgmtEps = &pTask->pJob->pMgmtEps;
 
   switch (reqType) {
     case TDMT_MND_USE_DB: {
@@ -529,7 +543,7 @@ int32_t ctgHandleGetTbMetaRsp(SCtgTask* pTask, int32_t reqType, const SDataBuf *
       
         taosMemoryFreeClear(pOut->tbMeta);
         
-        CTG_ERR_JRET(ctgGetTbMetaFromMnode(CTG_PARAMS_LIST(), ctx->pName, NULL, pTask));
+        CTG_RET(ctgGetTbMetaFromMnode(CTG_PARAMS_LIST(), ctx->pName, NULL, pTask));
       } else if (CTG_IS_META_BOTH(pOut->metaType)) {
         int32_t exist = 0;
         if (!CTG_FLAG_IS_FORCE_UPDATE(ctx->flag)) {
@@ -538,7 +552,7 @@ int32_t ctgHandleGetTbMetaRsp(SCtgTask* pTask, int32_t reqType, const SDataBuf *
       
         if (0 == exist) {
           TSWAP(pTask->msgCtx.lastOut, pTask->msgCtx.out);
-          CTG_ERR_JRET(ctgGetTbMetaFromMnodeImpl(CTG_PARAMS_LIST(), pOut->dbFName, pOut->tbName, NULL, pTask));
+          CTG_RET(ctgGetTbMetaFromMnodeImpl(CTG_PARAMS_LIST(), pOut->dbFName, pOut->tbName, NULL, pTask));
         } else {
           taosMemoryFreeClear(pOut->tbMeta);
           
@@ -598,7 +612,7 @@ int32_t ctgHandleGetDbVgRsp(SCtgTask* pTask, int32_t reqType, const SDataBuf *pM
   SCtgDbVgCtx* ctx = (SCtgDbVgCtx*)pTask->taskCtx;
   SCatalog* pCtg = pTask->pJob->pCtg; 
   void *pTrans = pTask->pJob->pTrans; 
-  const SEpSet* pMgmtEps = pTask->pJob->pMgmtEps;
+  const SEpSet* pMgmtEps = &pTask->pJob->pMgmtEps;
 
   switch (reqType) {
     case TDMT_MND_USE_DB: {
@@ -632,7 +646,7 @@ int32_t ctgHandleGetTbHashRsp(SCtgTask* pTask, int32_t reqType, const SDataBuf *
   SCtgTbHashCtx* ctx = (SCtgTbHashCtx*)pTask->taskCtx;
   SCatalog* pCtg = pTask->pJob->pCtg; 
   void *pTrans = pTask->pJob->pTrans; 
-  const SEpSet* pMgmtEps = pTask->pJob->pMgmtEps;
+  const SEpSet* pMgmtEps = &pTask->pJob->pMgmtEps;
 
   switch (reqType) {
     case TDMT_MND_USE_DB: {
@@ -724,7 +738,7 @@ int32_t ctgHandleGetUserRsp(SCtgTask* pTask, int32_t reqType, const SDataBuf *pM
   SCtgUserCtx* ctx = (SCtgUserCtx*)pTask->taskCtx;
   SCatalog* pCtg = pTask->pJob->pCtg; 
   void *pTrans = pTask->pJob->pTrans; 
-  const SEpSet* pMgmtEps = pTask->pJob->pMgmtEps;
+  const SEpSet* pMgmtEps = &pTask->pJob->pMgmtEps;
   bool pass = false;
   SGetUserAuthRsp* pOut = (SGetUserAuthRsp*)pTask->msgCtx.out;
   
@@ -766,7 +780,7 @@ _return:
 int32_t ctgAsyncRefreshTbMeta(SCtgTask *pTask) {
   SCatalog* pCtg = pTask->pJob->pCtg; 
   void *pTrans = pTask->pJob->pTrans; 
-  const SEpSet* pMgmtEps = pTask->pJob->pMgmtEps;
+  const SEpSet* pMgmtEps = &pTask->pJob->pMgmtEps;
   int32_t code = 0;
   SCtgTbMetaCtx* ctx = (SCtgTbMetaCtx*)pTask->taskCtx;
 
@@ -788,7 +802,7 @@ int32_t ctgAsyncRefreshTbMeta(SCtgTask *pTask) {
   tNameGetFullDbName(ctx->pName, dbFName);
   
   CTG_ERR_RET(ctgAcquireVgInfoFromCache(pCtg, dbFName, &dbCache));
-  if (NULL == dbCache) {
+  if (dbCache) {
     SVgroupInfo vgInfo = {0};
     CTG_ERR_RET(ctgGetVgInfoFromHashValue(pCtg, dbCache->vgInfo, ctx->pName, &vgInfo));
 
@@ -817,7 +831,7 @@ _return:
 int32_t ctgLaunchGetTbMetaTask(SCtgTask *pTask) {
   SCatalog* pCtg = pTask->pJob->pCtg; 
   void *pTrans = pTask->pJob->pTrans; 
-  const SEpSet* pMgmtEps = pTask->pJob->pMgmtEps;
+  const SEpSet* pMgmtEps = &pTask->pJob->pMgmtEps;
 
   CTG_ERR_RET(ctgGetTbMetaFromCache(CTG_PARAMS_LIST(), (SCtgTbMetaCtx*)pTask->taskCtx, (STableMeta**)&pTask->res));
   if (pTask->res) {
@@ -834,7 +848,7 @@ int32_t ctgLaunchGetDbVgTask(SCtgTask *pTask) {
   int32_t code = 0;
   SCatalog* pCtg = pTask->pJob->pCtg; 
   void *pTrans = pTask->pJob->pTrans; 
-  const SEpSet* pMgmtEps = pTask->pJob->pMgmtEps;
+  const SEpSet* pMgmtEps = &pTask->pJob->pMgmtEps;
   SCtgDBCache *dbCache = NULL;
   SCtgDbVgCtx* pCtx = (SCtgDbVgCtx*)pTask->taskCtx;
   
@@ -866,7 +880,7 @@ int32_t ctgLaunchGetTbHashTask(SCtgTask *pTask) {
   int32_t code = 0;
   SCatalog* pCtg = pTask->pJob->pCtg; 
   void *pTrans = pTask->pJob->pTrans; 
-  const SEpSet* pMgmtEps = pTask->pJob->pMgmtEps;
+  const SEpSet* pMgmtEps = &pTask->pJob->pMgmtEps;
   SCtgDBCache *dbCache = NULL;
   SCtgTbHashCtx* pCtx = (SCtgTbHashCtx*)pTask->taskCtx;
   
@@ -901,7 +915,7 @@ _return:
 int32_t ctgLaunchGetQnodeTask(SCtgTask *pTask) {
   SCatalog* pCtg = pTask->pJob->pCtg; 
   void *pTrans = pTask->pJob->pTrans; 
-  const SEpSet* pMgmtEps = pTask->pJob->pMgmtEps;
+  const SEpSet* pMgmtEps = &pTask->pJob->pMgmtEps;
 
   CTG_ERR_RET(ctgGetQnodeListFromMnode(CTG_PARAMS_LIST(), NULL, pTask));
 
@@ -911,7 +925,7 @@ int32_t ctgLaunchGetQnodeTask(SCtgTask *pTask) {
 int32_t ctgLaunchGetDbCfgTask(SCtgTask *pTask) {
   SCatalog* pCtg = pTask->pJob->pCtg; 
   void *pTrans = pTask->pJob->pTrans; 
-  const SEpSet* pMgmtEps = pTask->pJob->pMgmtEps;
+  const SEpSet* pMgmtEps = &pTask->pJob->pMgmtEps;
   SCtgDbCfgCtx* pCtx = (SCtgDbCfgCtx*)pTask->taskCtx;
 
   CTG_ERR_RET(ctgGetDBCfgFromMnode(CTG_PARAMS_LIST(), pCtx->dbFName, NULL, pTask));
@@ -922,7 +936,7 @@ int32_t ctgLaunchGetDbCfgTask(SCtgTask *pTask) {
 int32_t ctgLaunchGetIndexTask(SCtgTask *pTask) {
   SCatalog* pCtg = pTask->pJob->pCtg; 
   void *pTrans = pTask->pJob->pTrans; 
-  const SEpSet* pMgmtEps = pTask->pJob->pMgmtEps;
+  const SEpSet* pMgmtEps = &pTask->pJob->pMgmtEps;
   SCtgIndexCtx* pCtx = (SCtgIndexCtx*)pTask->taskCtx;
 
   CTG_ERR_RET(ctgGetIndexInfoFromMnode(CTG_PARAMS_LIST(), pCtx->indexFName, NULL, pTask));
@@ -933,7 +947,7 @@ int32_t ctgLaunchGetIndexTask(SCtgTask *pTask) {
 int32_t ctgLaunchGetUdfTask(SCtgTask *pTask) {
   SCatalog* pCtg = pTask->pJob->pCtg; 
   void *pTrans = pTask->pJob->pTrans; 
-  const SEpSet* pMgmtEps = pTask->pJob->pMgmtEps;
+  const SEpSet* pMgmtEps = &pTask->pJob->pMgmtEps;
   SCtgUdfCtx* pCtx = (SCtgUdfCtx*)pTask->taskCtx;
 
   CTG_ERR_RET(ctgGetUdfInfoFromMnode(CTG_PARAMS_LIST(), pCtx->udfName, NULL, pTask));
@@ -944,7 +958,7 @@ int32_t ctgLaunchGetUdfTask(SCtgTask *pTask) {
 int32_t ctgLaunchGetUserTask(SCtgTask *pTask) {
   SCatalog* pCtg = pTask->pJob->pCtg; 
   void *pTrans = pTask->pJob->pTrans; 
-  const SEpSet* pMgmtEps = pTask->pJob->pMgmtEps;
+  const SEpSet* pMgmtEps = &pTask->pJob->pMgmtEps;
   SCtgUserCtx* pCtx = (SCtgUserCtx*)pTask->taskCtx;
   bool inCache = false;
   bool pass = false;
diff --git a/source/libs/catalog/src/ctgCache.c b/source/libs/catalog/src/ctgCache.c
index 6335a056b9461877745fb80b893c9235ef7622a5..27cd41eed5a51e66bc823ec5d2434adee60a4227 100644
--- a/source/libs/catalog/src/ctgCache.c
+++ b/source/libs/catalog/src/ctgCache.c
@@ -248,7 +248,7 @@ int32_t ctgReadTbMetaFromCache(SCatalog* pCtg, SCtgTbMetaCtx* ctx, STableMeta**
 
   ctgAcquireDBCache(pCtg, dbFName, &dbCache);
   if (NULL == dbCache) {
-    ctgDebug("db %s not in cache", ctx->pName->tname);
+    ctgDebug("db %d.%s not in cache", ctx->pName->acctId, ctx->pName->dbname);
     return TSDB_CODE_SUCCESS;
   }
   
@@ -716,6 +716,8 @@ int32_t ctgPutUpdateUserToQueue(SCatalog* pCtg, SGetUserAuthRsp *pAuth, bool syn
 
   CTG_ERR_JRET(ctgPushAction(pCtg, &action));
 
+  taosMemoryFree(pAuth);
+  
   return TSDB_CODE_SUCCESS;
   
 _return:
diff --git a/source/libs/catalog/src/ctgDbg.c b/source/libs/catalog/src/ctgDbg.c
index 9897370f2d27699c3568359f765df1c2dc9159c6..849c66fd126dcbb0b0bdee1de1ec54ea8bd3697c 100644
--- a/source/libs/catalog/src/ctgDbg.c
+++ b/source/libs/catalog/src/ctgDbg.c
@@ -25,9 +25,9 @@ void ctgdUserCallback(SMetaData* pResult, void* param, int32_t code) {
   ASSERT(*(int32_t*)param == 1);
   taosMemoryFree(param);
 
-  ctgDebug("async call result: %s", tstrerror(code));
+  qDebug("async call result: %s", tstrerror(code));
   if (NULL == pResult) {
-    ctgDebug("empty meta result");
+    qDebug("empty meta result");
     return;
   }
 
@@ -36,25 +36,24 @@ void ctgdUserCallback(SMetaData* pResult, void* param, int32_t code) {
   if (pResult->pTableMeta && taosArrayGetSize(pResult->pTableMeta) > 0) {
     num = taosArrayGetSize(pResult->pTableMeta);
     for (int32_t i = 0; i < num; ++i) {
-      STableMeta *p = taosArrayGet(pResult->pTableMeta, i);
+      STableMeta *p = *(STableMeta **)taosArrayGet(pResult->pTableMeta, i);
       STableComInfo *c = &p->tableInfo;
       
       if (TSDB_CHILD_TABLE == p->tableType) {
-        ctgDebug("table meta: type:%d, vgId:%d, uid:%" PRIx64 ",suid:%" PRIx64, p->tableType, p->vgId, p->uid, p->suid);
-        return;
+        qDebug("table meta: type:%d, vgId:%d, uid:%" PRIx64 ",suid:%" PRIx64, p->tableType, p->vgId, p->uid, p->suid);
       } else {
-        ctgDebug("table meta: type:%d, vgId:%d, uid:%" PRIx64 ",suid:%" PRIx64 ",sv:%d, tv:%d, tagNum:%d, precision:%d, colNum:%d, rowSize:%d",
+        qDebug("table meta: type:%d, vgId:%d, uid:%" PRIx64 ",suid:%" PRIx64 ",sv:%d, tv:%d, tagNum:%d, precision:%d, colNum:%d, rowSize:%d",
          p->tableType, p->vgId, p->uid, p->suid, p->sversion, p->tversion, c->numOfTags, c->precision, c->numOfColumns, c->rowSize);
       }
       
       int32_t colNum = c->numOfColumns + c->numOfTags;
       for (int32_t j = 0; j < colNum; ++j) {
         SSchema *s = &p->schema[j];
-        ctgDebug("[%d] name:%s, type:%d, colId:%d, bytes:%d", j, s->name, s->type, s->colId, s->bytes);
+        qDebug("[%d] name:%s, type:%d, colId:%d, bytes:%d", j, s->name, s->type, s->colId, s->bytes);
       }
     }
   } else {
-    ctgDebug("empty table meta");
+    qDebug("empty table meta");
   }
 
   if (pResult->pDbVgroup && taosArrayGetSize(pResult->pDbVgroup) > 0) {
@@ -62,14 +61,65 @@ void ctgdUserCallback(SMetaData* pResult, void* param, int32_t code) {
     for (int32_t i = 0; i < num; ++i) {
       SArray *pDb = *(SArray**)taosArrayGet(pResult->pDbVgroup, i);
       int32_t vgNum = taosArrayGetSize(pDb);
+      qDebug("db %d vgInfo:", i);
       for (int32_t j = 0; j < vgNum; ++j) {
         SVgroupInfo* pInfo = taosArrayGet(pDb, j);
-        ctgDebug(param, ...);
+        qDebug("vg %d info: vgId:%d", j, pInfo->vgId);
       }
     }
   } else {
-    ctgDebug("empty db vgroup");
+    qDebug("empty db vgroup");
   }
+
+  if (pResult->pTableHash && taosArrayGetSize(pResult->pTableHash) > 0) {
+    num = taosArrayGetSize(pResult->pTableHash);
+    for (int32_t i = 0; i < num; ++i) {
+      SVgroupInfo* pInfo = taosArrayGet(pResult->pTableHash, i);
+      qDebug("table %d vg info: vgId:%d", i, pInfo->vgId);
+    }
+  } else {
+    qDebug("empty table hash vgroup");
+  }
+
+  if (pResult->pUdfList && taosArrayGetSize(pResult->pUdfList) > 0) {
+    num = taosArrayGetSize(pResult->pUdfList);
+    for (int32_t i = 0; i < num; ++i) {
+      SFuncInfo* pInfo = taosArrayGet(pResult->pUdfList, i);
+      qDebug("udf %d info: name:%s, funcType:%d", i, pInfo->name, pInfo->funcType);
+    }
+  } else {
+    qDebug("empty udf info");
+  }
+
+  if (pResult->pDbCfg && taosArrayGetSize(pResult->pDbCfg) > 0) {
+    num = taosArrayGetSize(pResult->pDbCfg);
+    for (int32_t i = 0; i < num; ++i) {
+      SDbCfgInfo* pInfo = taosArrayGet(pResult->pDbCfg, i);
+      qDebug("db %d info: numOFVgroups:%d, numOfStables:%d", i, pInfo->numOfVgroups, pInfo->numOfStables);
+    }
+  } else {
+    qDebug("empty db cfg info");
+  }  
+
+  if (pResult->pUser && taosArrayGetSize(pResult->pUser) > 0) {
+    num = taosArrayGetSize(pResult->pUser);
+    for (int32_t i = 0; i < num; ++i) {
+      bool* auth = taosArrayGet(pResult->pUser, i);
+      qDebug("user auth %d info: %d", i, *auth);
+    }
+  } else {
+    qDebug("empty user auth info");
+  }   
+
+  if (pResult->pQnodeList && taosArrayGetSize(pResult->pQnodeList) > 0) {
+    num = taosArrayGetSize(pResult->pQnodeList);
+    for (int32_t i = 0; i < num; ++i) {
+      SQueryNodeAddr* qaddr = taosArrayGet(pResult->pQnodeList, i);
+      qDebug("qnode %d info: id:%d", i, qaddr->nodeId);
+    }
+  } else {
+    qDebug("empty qnode info");
+  }     
 }
 
 int32_t ctgdLaunchAsyncCall(SCatalog* pCtg, void *pTrans, const SEpSet* pMgmtEps, uint64_t reqId) {
diff --git a/source/libs/catalog/src/ctgRemote.c b/source/libs/catalog/src/ctgRemote.c
index 9e86b863f425fafa4403e0ea03841ae696753a03..4def1fff4f3c2185de569a706f59ace1c215d488 100644
--- a/source/libs/catalog/src/ctgRemote.c
+++ b/source/libs/catalog/src/ctgRemote.c
@@ -264,10 +264,11 @@ int32_t ctgGetQnodeListFromMnode(CTG_PARAMS, SArray *out, SCtgTask* pTask) {
   char *msg = NULL;
   int32_t msgLen = 0;
   int32_t reqType = TDMT_MND_QNODE_LIST;
+  void*(*mallocFp)(int32_t) = pTask ? taosMemoryMalloc : rpcMallocCont;
 
   ctgDebug("try to get qnode list from mnode, mgmtEpInUse:%d", pMgmtEps->inUse);
 
-  int32_t code = queryBuildMsg[TMSG_INDEX(reqType)](NULL, &msg, 0, &msgLen);
+  int32_t code = queryBuildMsg[TMSG_INDEX(reqType)](NULL, &msg, 0, &msgLen, mallocFp);
   if (code) {
     ctgError("Build qnode list msg failed, error:%s", tstrerror(code));
     CTG_ERR_RET(code);
@@ -301,10 +302,11 @@ int32_t ctgGetDBVgInfoFromMnode(CTG_PARAMS, SBuildUseDBInput *input, SUseDbOutpu
   char *msg = NULL;
   int32_t msgLen = 0;
   int32_t reqType = TDMT_MND_USE_DB;
+  void*(*mallocFp)(int32_t) = pTask ? taosMemoryMalloc : rpcMallocCont;
 
   ctgDebug("try to get db vgInfo from mnode, dbFName:%s", input->db);
 
-  int32_t code = queryBuildMsg[TMSG_INDEX(reqType)](input, &msg, 0, &msgLen);
+  int32_t code = queryBuildMsg[TMSG_INDEX(reqType)](input, &msg, 0, &msgLen, mallocFp);
   if (code) {
     ctgError("Build use db msg failed, code:%x, db:%s", code, input->db);
     CTG_ERR_RET(code);
@@ -338,10 +340,11 @@ int32_t ctgGetDBCfgFromMnode(CTG_PARAMS, const char *dbFName, SDbCfgInfo *out, S
   char *msg = NULL;
   int32_t msgLen = 0;
   int32_t reqType = TDMT_MND_GET_DB_CFG;
+  void*(*mallocFp)(int32_t) = pTask ? taosMemoryMalloc : rpcMallocCont;
 
   ctgDebug("try to get db cfg from mnode, dbFName:%s", dbFName);
 
-  int32_t code = queryBuildMsg[TMSG_INDEX(reqType)]((void *)dbFName, &msg, 0, &msgLen);
+  int32_t code = queryBuildMsg[TMSG_INDEX(reqType)]((void *)dbFName, &msg, 0, &msgLen, mallocFp);
   if (code) {
     ctgError("Build get db cfg msg failed, code:%x, db:%s", code, dbFName);
     CTG_ERR_RET(code);
@@ -375,10 +378,11 @@ int32_t ctgGetIndexInfoFromMnode(CTG_PARAMS, const char *indexName, SIndexInfo *
   char *msg = NULL;
   int32_t msgLen = 0;
   int32_t reqType = TDMT_MND_GET_INDEX;
+  void*(*mallocFp)(int32_t) = pTask ? taosMemoryMalloc : rpcMallocCont;
 
   ctgDebug("try to get index from mnode, indexName:%s", indexName);
 
-  int32_t code = queryBuildMsg[TMSG_INDEX(reqType)]((void *)indexName, &msg, 0, &msgLen);
+  int32_t code = queryBuildMsg[TMSG_INDEX(reqType)]((void *)indexName, &msg, 0, &msgLen, mallocFp);
   if (code) {
     ctgError("Build get index msg failed, code:%x, db:%s", code, indexName);
     CTG_ERR_RET(code);
@@ -412,10 +416,11 @@ int32_t ctgGetUdfInfoFromMnode(CTG_PARAMS, const char *funcName, SFuncInfo *out,
   char *msg = NULL;
   int32_t msgLen = 0;
   int32_t reqType = TDMT_MND_RETRIEVE_FUNC;
+  void*(*mallocFp)(int32_t) = pTask ? taosMemoryMalloc : rpcMallocCont;
 
   ctgDebug("try to get udf info from mnode, funcName:%s", funcName);
 
-  int32_t code = queryBuildMsg[TMSG_INDEX(reqType)]((void *)funcName, &msg, 0, &msgLen);
+  int32_t code = queryBuildMsg[TMSG_INDEX(reqType)]((void *)funcName, &msg, 0, &msgLen, mallocFp);
   if (code) {
     ctgError("Build get udf msg failed, code:%x, db:%s", code, funcName);
     CTG_ERR_RET(code);
@@ -449,10 +454,11 @@ int32_t ctgGetUserDbAuthFromMnode(CTG_PARAMS, const char *user, SGetUserAuthRsp
   char *msg = NULL;
   int32_t msgLen = 0;
   int32_t reqType = TDMT_MND_GET_USER_AUTH;
+  void*(*mallocFp)(int32_t) = pTask ? taosMemoryMalloc : rpcMallocCont;
 
   ctgDebug("try to get user auth from mnode, user:%s", user);
 
-  int32_t code = queryBuildMsg[TMSG_INDEX(reqType)]((void *)user, &msg, 0, &msgLen);
+  int32_t code = queryBuildMsg[TMSG_INDEX(reqType)]((void *)user, &msg, 0, &msgLen, mallocFp);
   if (code) {
     ctgError("Build get user auth msg failed, code:%x, db:%s", code, user);
     CTG_ERR_RET(code);
@@ -491,10 +497,11 @@ int32_t ctgGetTbMetaFromMnodeImpl(CTG_PARAMS, char *dbFName, char* tbName, STabl
   int32_t reqType = TDMT_MND_TABLE_META;
   char tbFName[TSDB_TABLE_FNAME_LEN];
   sprintf(tbFName, "%s.%s", dbFName, tbName);
+  void*(*mallocFp)(int32_t) = pTask ? taosMemoryMalloc : rpcMallocCont;
 
   ctgDebug("try to get table meta from mnode, tbFName:%s", tbFName);
 
-  int32_t code = queryBuildMsg[TMSG_INDEX(reqType)](&bInput, &msg, 0, &msgLen);
+  int32_t code = queryBuildMsg[TMSG_INDEX(reqType)](&bInput, &msg, 0, &msgLen, mallocFp);
   if (code) {
     ctgError("Build mnode stablemeta msg failed, code:%x", code);
     CTG_ERR_RET(code);
@@ -537,6 +544,7 @@ int32_t ctgGetTbMetaFromVnode(CTG_PARAMS, const SName* pTableName, SVgroupInfo *
   int32_t reqType = TDMT_VND_TABLE_META;
   char tbFName[TSDB_TABLE_FNAME_LEN];
   sprintf(tbFName, "%s.%s", dbFName, pTableName->tname);
+  void*(*mallocFp)(int32_t) = pTask ? taosMemoryMalloc : rpcMallocCont;
 
   ctgDebug("try to get table meta from vnode, vgId:%d, tbFName:%s", vgroupInfo->vgId, tbFName);
 
@@ -544,7 +552,7 @@ int32_t ctgGetTbMetaFromVnode(CTG_PARAMS, const SName* pTableName, SVgroupInfo *
   char *msg = NULL;
   int32_t msgLen = 0;
 
-  int32_t code = queryBuildMsg[TMSG_INDEX(reqType)](&bInput, &msg, 0, &msgLen);
+  int32_t code = queryBuildMsg[TMSG_INDEX(reqType)](&bInput, &msg, 0, &msgLen, mallocFp);
   if (code) {
     ctgError("Build vnode tablemeta msg failed, code:%x, tbFName:%s", code, tbFName);
     CTG_ERR_RET(code);
diff --git a/source/libs/catalog/src/ctgUtil.c b/source/libs/catalog/src/ctgUtil.c
index 2d7fb8aa97af13b8eaa589f0316882e3223e810e..1f78a97733614fcf7cbbf48a1a90be62dfa61ce9 100644
--- a/source/libs/catalog/src/ctgUtil.c
+++ b/source/libs/catalog/src/ctgUtil.c
@@ -35,7 +35,7 @@ void ctgFreeSMetaData(SMetaData* pData) {
   
   taosArrayDestroy(pData->pUdfList);
   pData->pUdfList = NULL;
-  
+
   for (int32_t i = 0; i < taosArrayGetSize(pData->pDbCfg); ++i) {
     SDbCfgInfo* pInfo = taosArrayGet(pData->pDbCfg, i);
     taosArrayDestroy(pInfo->pRetensions);
@@ -167,12 +167,15 @@ void ctgFreeHandle(SCatalog* pCtg) {
 
 
 void ctgFreeSUseDbOutput(SUseDbOutput* pOutput) {
-  if (NULL == pOutput || NULL == pOutput->dbVgroup) {
+  if (NULL == pOutput) {
     return;
   }
 
-  taosHashCleanup(pOutput->dbVgroup->vgHash);
-  taosMemoryFreeClear(pOutput->dbVgroup);
+  if (pOutput->dbVgroup) {
+    taosHashCleanup(pOutput->dbVgroup->vgHash);
+    taosMemoryFreeClear(pOutput->dbVgroup);
+  }
+  
   taosMemoryFree(pOutput);
 }
 
@@ -267,6 +270,7 @@ void ctgFreeTask(SCtgTask* pTask) {
   switch (pTask->type) {
     case CTG_TASK_GET_QNODE: {
       taosArrayDestroy((SArray*)pTask->res);
+      taosMemoryFreeClear(pTask->taskCtx);      
       pTask->res = NULL;
       break;
     }
@@ -277,17 +281,19 @@ void ctgFreeTask(SCtgTask* pTask) {
         ctgFreeSTableMetaOutput((STableMetaOutput*)pTask->msgCtx.lastOut);
         pTask->msgCtx.lastOut = NULL;
       }
+      taosMemoryFreeClear(pTask->taskCtx);
       taosMemoryFreeClear(pTask->res);
       break;
     }
     case CTG_TASK_GET_DB_VGROUP: {
       taosArrayDestroy((SArray*)pTask->res);
+      taosMemoryFreeClear(pTask->taskCtx);      
       pTask->res = NULL;
       break;
     }
     case CTG_TASK_GET_DB_CFG: {
+      taosMemoryFreeClear(pTask->taskCtx);      
       if (pTask->res) {
-        taosArrayDestroy(((SDbCfgInfo*)pTask->res)->pRetensions);
         taosMemoryFreeClear(pTask->res);
       }
       break;
@@ -295,6 +301,7 @@ void ctgFreeTask(SCtgTask* pTask) {
     case CTG_TASK_GET_TB_HASH: {
       SCtgTbHashCtx* taskCtx = (SCtgTbHashCtx*)pTask->taskCtx;
       taosMemoryFreeClear(taskCtx->pName);
+      taosMemoryFreeClear(pTask->taskCtx);      
       taosMemoryFreeClear(pTask->res);
       break;
     }
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 472f74e4e8ccf4c04b23b9986d5cf3cadbe83122..3c3147f97887336302d4f58dcf2a4a5b9cedaabe 100644
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -2766,6 +2766,8 @@ static int32_t buildRollupAst(STranslateContext* pCxt, SCreateTableStmt* pStmt,
       break;
     }
   }
+
+  taosArrayDestroy(dbCfg.pRetensions);
   return code;
 }
 
diff --git a/source/libs/qcom/src/querymsg.c b/source/libs/qcom/src/querymsg.c
index fb9319bedeabfbd3673c72dda58ca0c3686cd940..636b2b50a83cc300b59ef97fb7f09c09808fb717 100644
--- a/source/libs/qcom/src/querymsg.c
+++ b/source/libs/qcom/src/querymsg.c
@@ -22,7 +22,7 @@
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wformat-truncation"
 
-int32_t (*queryBuildMsg[TDMT_MAX])(void *input, char **msg, int32_t msgSize, int32_t *msgLen) = {0};
+int32_t (*queryBuildMsg[TDMT_MAX])(void *input, char **msg, int32_t msgSize, int32_t *msgLen, void*(*mallocFp)(int32_t)) = {0};
 int32_t (*queryProcessMsgRsp[TDMT_MAX])(void *output, char *msg, int32_t msgSize) = {0};
 
 int32_t queryBuildUseDbOutput(SUseDbOutput *pOut, SUseDbRsp *usedbRsp) {
@@ -58,7 +58,7 @@ int32_t queryBuildUseDbOutput(SUseDbOutput *pOut, SUseDbRsp *usedbRsp) {
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t queryBuildTableMetaReqMsg(void *input, char **msg, int32_t msgSize, int32_t *msgLen) {
+int32_t queryBuildTableMetaReqMsg(void *input, char **msg, int32_t msgSize, int32_t *msgLen, void*(*mallcFp)(int32_t)) {
   SBuildTableMetaInput *pInput = input;
   if (NULL == input || NULL == msg || NULL == msgLen) {
     return TSDB_CODE_TSC_INVALID_INPUT;
@@ -72,7 +72,7 @@ int32_t queryBuildTableMetaReqMsg(void *input, char **msg, int32_t msgSize, int3
   tstrncpy(infoReq.tbName, pInput->tbName, TSDB_TABLE_NAME_LEN);
 
   int32_t bufLen = tSerializeSTableInfoReq(NULL, 0, &infoReq);
-  void   *pBuf = rpcMallocCont(bufLen);
+  void   *pBuf = (*mallcFp)(bufLen);
   tSerializeSTableInfoReq(pBuf, bufLen, &infoReq);
 
   *msg = pBuf;
@@ -81,7 +81,7 @@ int32_t queryBuildTableMetaReqMsg(void *input, char **msg, int32_t msgSize, int3
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t queryBuildUseDbMsg(void *input, char **msg, int32_t msgSize, int32_t *msgLen) {
+int32_t queryBuildUseDbMsg(void *input, char **msg, int32_t msgSize, int32_t *msgLen, void*(*mallcFp)(int32_t)) {
   SBuildUseDBInput *pInput = input;
   if (NULL == pInput || NULL == msg || NULL == msgLen) {
     return TSDB_CODE_TSC_INVALID_INPUT;
@@ -95,7 +95,7 @@ int32_t queryBuildUseDbMsg(void *input, char **msg, int32_t msgSize, int32_t *ms
   usedbReq.numOfTable = pInput->numOfTable;
 
   int32_t bufLen = tSerializeSUseDbReq(NULL, 0, &usedbReq);
-  void   *pBuf = rpcMallocCont(bufLen);
+  void   *pBuf = (*mallcFp)(bufLen);
   tSerializeSUseDbReq(pBuf, bufLen, &usedbReq);
 
   *msg = pBuf;
@@ -104,7 +104,7 @@ int32_t queryBuildUseDbMsg(void *input, char **msg, int32_t msgSize, int32_t *ms
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t queryBuildQnodeListMsg(void *input, char **msg, int32_t msgSize, int32_t *msgLen) {
+int32_t queryBuildQnodeListMsg(void *input, char **msg, int32_t msgSize, int32_t *msgLen, void*(*mallcFp)(int32_t)) {
   if (NULL == msg || NULL == msgLen) {
     return TSDB_CODE_TSC_INVALID_INPUT;
   }
@@ -113,7 +113,7 @@ int32_t queryBuildQnodeListMsg(void *input, char **msg, int32_t msgSize, int32_t
   qnodeListReq.rowNum = -1;
 
   int32_t bufLen = tSerializeSQnodeListReq(NULL, 0, &qnodeListReq);
-  void   *pBuf = rpcMallocCont(bufLen);
+  void   *pBuf = (*mallcFp)(bufLen);
   tSerializeSQnodeListReq(pBuf, bufLen, &qnodeListReq);
 
   *msg = pBuf;
@@ -122,7 +122,7 @@ int32_t queryBuildQnodeListMsg(void *input, char **msg, int32_t msgSize, int32_t
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t queryBuildGetDBCfgMsg(void *input, char **msg, int32_t msgSize, int32_t *msgLen) {
+int32_t queryBuildGetDBCfgMsg(void *input, char **msg, int32_t msgSize, int32_t *msgLen, void*(*mallcFp)(int32_t)) {
   if (NULL == msg || NULL == msgLen) {
     return TSDB_CODE_TSC_INVALID_INPUT;
   }
@@ -131,7 +131,7 @@ int32_t queryBuildGetDBCfgMsg(void *input, char **msg, int32_t msgSize, int32_t
   strcpy(dbCfgReq.db, input);
 
   int32_t bufLen = tSerializeSDbCfgReq(NULL, 0, &dbCfgReq);
-  void   *pBuf = rpcMallocCont(bufLen);
+  void   *pBuf = (*mallcFp)(bufLen);
   tSerializeSDbCfgReq(pBuf, bufLen, &dbCfgReq);
 
   *msg = pBuf;
@@ -140,7 +140,7 @@ int32_t queryBuildGetDBCfgMsg(void *input, char **msg, int32_t msgSize, int32_t
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t queryBuildGetIndexMsg(void *input, char **msg, int32_t msgSize, int32_t *msgLen) {
+int32_t queryBuildGetIndexMsg(void *input, char **msg, int32_t msgSize, int32_t *msgLen, void*(*mallcFp)(int32_t)) {
   if (NULL == msg || NULL == msgLen) {
     return TSDB_CODE_TSC_INVALID_INPUT;
   }
@@ -149,7 +149,7 @@ int32_t queryBuildGetIndexMsg(void *input, char **msg, int32_t msgSize, int32_t
   strcpy(indexReq.indexFName, input);
 
   int32_t bufLen = tSerializeSUserIndexReq(NULL, 0, &indexReq);
-  void   *pBuf = rpcMallocCont(bufLen);
+  void   *pBuf = (*mallcFp)(bufLen);
   tSerializeSUserIndexReq(pBuf, bufLen, &indexReq);
 
   *msg = pBuf;
@@ -158,7 +158,7 @@ int32_t queryBuildGetIndexMsg(void *input, char **msg, int32_t msgSize, int32_t
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t queryBuildRetrieveFuncMsg(void *input, char **msg, int32_t msgSize, int32_t *msgLen) {
+int32_t queryBuildRetrieveFuncMsg(void *input, char **msg, int32_t msgSize, int32_t *msgLen, void*(*mallcFp)(int32_t)) {
   if (NULL == msg || NULL == msgLen) {
     return TSDB_CODE_TSC_INVALID_INPUT;
   }
@@ -170,7 +170,7 @@ int32_t queryBuildRetrieveFuncMsg(void *input, char **msg, int32_t msgSize, int3
   taosArrayPush(funcReq.pFuncNames, input);
 
   int32_t bufLen = tSerializeSRetrieveFuncReq(NULL, 0, &funcReq);
-  void   *pBuf = rpcMallocCont(bufLen);
+  void   *pBuf = (*mallcFp)(bufLen);
   tSerializeSRetrieveFuncReq(pBuf, bufLen, &funcReq);
 
   taosArrayDestroy(funcReq.pFuncNames);
@@ -181,7 +181,7 @@ int32_t queryBuildRetrieveFuncMsg(void *input, char **msg, int32_t msgSize, int3
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t queryBuildGetUserAuthMsg(void *input, char **msg, int32_t msgSize, int32_t *msgLen) {
+int32_t queryBuildGetUserAuthMsg(void *input, char **msg, int32_t msgSize, int32_t *msgLen, void*(*mallcFp)(int32_t)) {
   if (NULL == msg || NULL == msgLen) {
     return TSDB_CODE_TSC_INVALID_INPUT;
   }
@@ -190,7 +190,7 @@ int32_t queryBuildGetUserAuthMsg(void *input, char **msg, int32_t msgSize, int32
   strncpy(req.user, input, sizeof(req.user));
 
   int32_t bufLen = tSerializeSGetUserAuthReq(NULL, 0, &req);
-  void   *pBuf = rpcMallocCont(bufLen);
+  void   *pBuf = (*mallcFp)(bufLen);
   tSerializeSGetUserAuthReq(pBuf, bufLen, &req);
 
   *msg = pBuf;