Merge pull request #15161 from taosdata/fix/TD-15197

fix: fix stmt memory leak

include/common/tname.h

@@ -50,6 +50,7 @@ bool tNameIsValid(const SName* name);
 const char* tNameGetTableName(const SName* name);
 
 int32_t tNameGetDbName(const SName* name, char* dst);
+const char* tNameGetDbNameP(const SName* name);
 
 int32_t tNameGetFullDbName(const SName* name, char* dst);
 

include/libs/qcom/query.h

@@ -193,7 +193,7 @@ int32_t taosAsyncExec(__async_exec_fn_t execFn, void* execParam, int32_t* code);
 
 void destroySendMsgInfo(SMsgSendInfo* pMsgBody);
 
-int32_t asyncSendMsgToServerExt(void* pTransporter, SEpSet* epSet, int64_t* pTransporterId, const SMsgSendInfo* pInfo,
+int32_t asyncSendMsgToServerExt(void* pTransporter, SEpSet* epSet, int64_t* pTransporterId, SMsgSendInfo* pInfo,
                                 bool persistHandle, void* ctx);
 
 /**
@@ -205,7 +205,7 @@ int32_t asyncSendMsgToServerExt(void* pTransporter, SEpSet* epSet, int64_t* pTra
  * @param pInfo
  * @return
  */
-int32_t asyncSendMsgToServer(void* pTransporter, SEpSet* epSet, int64_t* pTransporterId, const SMsgSendInfo* pInfo);
+int32_t asyncSendMsgToServer(void* pTransporter, SEpSet* epSet, int64_t* pTransporterId, SMsgSendInfo* pInfo);
 
 int32_t queryBuildUseDbOutput(SUseDbOutput* pOut, SUseDbRsp* usedbRsp);
 
@@ -260,6 +260,8 @@ extern int32_t (*queryProcessMsgRsp[TDMT_MAX])(void* output, char* msg, int32_t
 
 #define REQUEST_TOTAL_EXEC_TIMES 2
 
+#define IS_SYS_DBNAME(_dbname) (((*(_dbname) == 'i') && (0 == strcmp(_dbname, TSDB_INFORMATION_SCHEMA_DB))) || ((*(_dbname) == 'p') && (0 == strcmp(_dbname, TSDB_PERFORMANCE_SCHEMA_DB))))
+
 #define qFatal(...)                                                                           \
   do {                                                                                        \
     if (qDebugFlag & DEBUG_FATAL) {                                                           \

include/libs/transport/trpc.h

@@ -124,18 +124,16 @@ void *rpcReallocCont(void *ptr, int32_t contLen);
 // Because taosd supports multi-process mode
 // These functions should not be used on the server side
 // Please use tmsg<xx> functions, which are defined in tmsgcb.h
-void rpcSendRequest(void *thandle, const SEpSet *pEpSet, SRpcMsg *pMsg, int64_t *rid);
-void rpcSendResponse(const SRpcMsg *pMsg);
-void rpcRegisterBrokenLinkArg(SRpcMsg *msg);
-void rpcReleaseHandle(void *handle, int8_t type);  // just release conn to rpc instance, no close sock
+int rpcSendRequest(void *thandle, const SEpSet *pEpSet, SRpcMsg *pMsg, int64_t *rid);
+int rpcSendResponse(const SRpcMsg *pMsg);
+int rpcRegisterBrokenLinkArg(SRpcMsg *msg);
+int rpcReleaseHandle(void *handle, int8_t type);  // just release conn to rpc instance, no close sock
 
 // These functions will not be called in the child process
-void    rpcSendRedirectRsp(void *pConn, const SEpSet *pEpSet);
-void    rpcSendRequestWithCtx(void *thandle, const SEpSet *pEpSet, SRpcMsg *pMsg, int64_t *rid, SRpcCtx *ctx);
-int32_t rpcGetConnInfo(void *thandle, SRpcConnInfo *pInfo);
-void    rpcSendRecv(void *shandle, SEpSet *pEpSet, SRpcMsg *pReq, SRpcMsg *pRsp);
-void    rpcSetDefaultAddr(void *thandle, const char *ip, const char *fqdn);
-void*   rpcAllocHandle();
+int   rpcSendRequestWithCtx(void *thandle, const SEpSet *pEpSet, SRpcMsg *pMsg, int64_t *rid, SRpcCtx *ctx);
+int   rpcSendRecv(void *shandle, SEpSet *pEpSet, SRpcMsg *pReq, SRpcMsg *pRsp);
+int   rpcSetDefaultAddr(void *thandle, const char *ip, const char *fqdn);
+void *rpcAllocHandle();
 
 #ifdef __cplusplus
 }

include/os/osSysinfo.h

@@ -33,7 +33,7 @@ typedef struct {
   SDiskSize size;
 } SDiskSpace;
 
-bool    taosCheckSystemIsSmallEnd();
+bool    taosCheckSystemIsLittleEnd();
 void    taosGetSystemInfo();
 int32_t taosGetEmail(char *email, int32_t maxLen);
 int32_t taosGetOsReleaseName(char *releaseName, int32_t maxLen);

source/client/inc/clientStmt.h

@@ -72,7 +72,6 @@ typedef struct SStmtBindInfo {
 typedef struct SStmtExecInfo {
   int32_t      affectedRows;
   SRequestObj* pRequest;
-  SHashObj*    pVgHash;
   SHashObj*    pBlockHash;
   bool         autoCreateTbl;
 } SStmtExecInfo;
@@ -88,6 +87,7 @@ typedef struct SStmtSQLInfo {
   SArray*           nodeList;
   SStmtQueryResInfo queryRes;
   bool              autoCreateTbl;
+  SHashObj*         pVgHash;
 } SStmtSQLInfo;
 
 typedef struct STscStmt {

source/client/src/clientEnv.c

@@ -88,7 +88,7 @@ void closeTransporter(SAppInstInfo *pAppInfo) {
 static bool clientRpcRfp(int32_t code, tmsg_t msgType) {
   if (NEED_REDIRECT_ERROR(code)) {
     if (msgType == TDMT_SCH_QUERY || msgType == TDMT_SCH_MERGE_QUERY || msgType == TDMT_SCH_FETCH ||
-        msgType == TDMT_SCH_MERGE_FETCH) {
+        msgType == TDMT_SCH_MERGE_FETCH || msgType == TDMT_SCH_QUERY_HEARTBEAT || msgType == TDMT_SCH_DROP_TASK) {
       return false;
     }
     return true;

source/client/src/clientImpl.c

@@ -590,6 +590,11 @@ int32_t buildAsyncExecNodeList(SRequestObj* pRequest, SArray** pNodeList, SArray
   return code;
 }
 
+void freeVgList(void *list) {
+  SArray* pList = *(SArray**)list;
+  taosArrayDestroy(pList);
+}
+
 int32_t buildSyncExecNodeList(SRequestObj* pRequest, SArray** pNodeList, SArray* pMnodeList) {
   SArray* pDbVgList = NULL;
   SArray* pQnodeList = NULL;
@@ -641,7 +646,7 @@ int32_t buildSyncExecNodeList(SRequestObj* pRequest, SArray** pNodeList, SArray*
 
 _return:
 
-  taosArrayDestroy(pDbVgList);
+  taosArrayDestroyEx(pDbVgList, freeVgList);
   taosArrayDestroy(pQnodeList);
 
   return code;

source/client/src/clientStmt.c

@@ -6,11 +6,16 @@
 #include "clientStmt.h"
 
 static int32_t stmtCreateRequest(STscStmt* pStmt) {
+  int32_t code = 0;
+  
   if (pStmt->exec.pRequest == NULL)  {
-    return buildRequest(pStmt->taos->id, pStmt->sql.sqlStr, pStmt->sql.sqlLen, NULL, false, &pStmt->exec.pRequest);
-  } else {
-    return TSDB_CODE_SUCCESS;
+    code = buildRequest(pStmt->taos->id, pStmt->sql.sqlStr, pStmt->sql.sqlLen, NULL, false, &pStmt->exec.pRequest);
+    if (TSDB_CODE_SUCCESS == code) {
+      pStmt->exec.pRequest->syncQuery = true;
+    }
   }
+
+  return code;
 }
 
 int32_t stmtSwitchStatus(STscStmt* pStmt, STMT_STATUS newStatus) {
@@ -155,7 +160,7 @@ int32_t stmtUpdateBindInfo(TAOS_STMT* stmt, STableMeta* pTableMeta, void* tags,
 int32_t stmtUpdateExecInfo(TAOS_STMT* stmt, SHashObj* pVgHash, SHashObj* pBlockHash, bool autoCreateTbl) {
   STscStmt* pStmt = (STscStmt*)stmt;
 
-  pStmt->exec.pVgHash = pVgHash;
+  pStmt->sql.pVgHash = pVgHash;
   pStmt->exec.pBlockHash = pBlockHash;
   pStmt->exec.autoCreateTbl = autoCreateTbl;
 
@@ -177,7 +182,7 @@ int32_t stmtUpdateInfo(TAOS_STMT* stmt, STableMeta* pTableMeta, void* tags, char
 int32_t stmtGetExecInfo(TAOS_STMT* stmt, SHashObj** pVgHash, SHashObj** pBlockHash) {
   STscStmt* pStmt = (STscStmt*)stmt;
 
-  *pVgHash = pStmt->exec.pVgHash;
+  *pVgHash = pStmt->sql.pVgHash;
   *pBlockHash = pStmt->exec.pBlockHash;
 
   return TSDB_CODE_SUCCESS;
@@ -308,6 +313,8 @@ int32_t stmtCleanSQLInfo(STscStmt* pStmt) {
   taosMemoryFree(pStmt->sql.sqlStr);
   qDestroyQuery(pStmt->sql.pQuery);
   taosArrayDestroy(pStmt->sql.nodeList);
+  taosHashCleanup(pStmt->sql.pVgHash);
+  pStmt->sql.pVgHash = NULL;
 
   void* pIter = taosHashIterate(pStmt->sql.pTableCache, NULL);
   while (pIter) {
@@ -340,7 +347,7 @@ int32_t stmtRebuildDataBlock(STscStmt* pStmt, STableDataBlocks* pDataBlock, STab
 
   STMT_ERR_RET(catalogGetTableHashVgroup(pStmt->pCatalog, &conn, &pStmt->bInfo.sname, &vgInfo));
   STMT_ERR_RET(
-      taosHashPut(pStmt->exec.pVgHash, (const char*)&vgInfo.vgId, sizeof(vgInfo.vgId), (char*)&vgInfo, sizeof(vgInfo)));
+      taosHashPut(pStmt->sql.pVgHash, (const char*)&vgInfo.vgId, sizeof(vgInfo.vgId), (char*)&vgInfo, sizeof(vgInfo)));
 
   STMT_ERR_RET(qRebuildStmtDataBlock(newBlock, pDataBlock, uid, vgInfo.vgId));
 
@@ -680,6 +687,7 @@ int stmtBindBatch(TAOS_STMT* stmt, TAOS_MULTI_BIND* bind, int32_t colIdx) {
     if (pStmt->sql.pQuery->haveResultSet) {
       setResSchemaInfo(&pStmt->exec.pRequest->body.resInfo, pStmt->sql.pQuery->pResSchema,
                        pStmt->sql.pQuery->numOfResCols);
+      taosMemoryFreeClear(pStmt->sql.pQuery->pResSchema);
       setResPrecision(&pStmt->exec.pRequest->body.resInfo, pStmt->sql.pQuery->precision);
     }
 
@@ -804,7 +812,7 @@ int stmtExec(TAOS_STMT* stmt) {
   if (STMT_TYPE_QUERY == pStmt->sql.type) {
     launchQueryImpl(pStmt->exec.pRequest, pStmt->sql.pQuery, true, NULL);
   } else {
-    STMT_ERR_RET(qBuildStmtOutput(pStmt->sql.pQuery, pStmt->exec.pVgHash, pStmt->exec.pBlockHash));
+    STMT_ERR_RET(qBuildStmtOutput(pStmt->sql.pQuery, pStmt->sql.pVgHash, pStmt->exec.pBlockHash));
     launchQueryImpl(pStmt->exec.pRequest, pStmt->sql.pQuery, true, (autoCreateTbl ? (void**)&pRsp : NULL));
   }
 
@@ -847,9 +855,10 @@ _return:
 int stmtClose(TAOS_STMT* stmt) {
   STscStmt* pStmt = (STscStmt*)stmt;
 
-  STMT_RET(stmtCleanSQLInfo(pStmt));
-
+  stmtCleanSQLInfo(pStmt);
   taosMemoryFree(stmt);
+
+  return TSDB_CODE_SUCCESS;
 }
 
 const char* stmtErrstr(TAOS_STMT* stmt) {

source/common/src/tglobal.c

@@ -51,15 +51,15 @@ int32_t tsNumOfShmThreads = 1;
 int32_t tsNumOfRpcThreads = 1;
 int32_t tsNumOfCommitThreads = 2;
 int32_t tsNumOfTaskQueueThreads = 1;
-int32_t tsNumOfMnodeQueryThreads = 2;
+int32_t tsNumOfMnodeQueryThreads = 4;
 int32_t tsNumOfMnodeFetchThreads = 1;
 int32_t tsNumOfMnodeReadThreads = 1;
-int32_t tsNumOfVnodeQueryThreads = 2;
+int32_t tsNumOfVnodeQueryThreads = 4;
 int32_t tsNumOfVnodeStreamThreads = 2;
 int32_t tsNumOfVnodeFetchThreads = 4;
 int32_t tsNumOfVnodeWriteThreads = 2;
 int32_t tsNumOfVnodeSyncThreads = 2;
-int32_t tsNumOfQnodeQueryThreads = 2;
+int32_t tsNumOfQnodeQueryThreads = 4;
 int32_t tsNumOfQnodeFetchThreads = 4;
 int32_t tsNumOfSnodeSharedThreads = 2;
 int32_t tsNumOfSnodeUniqueThreads = 2;
@@ -402,16 +402,16 @@ static int32_t taosAddServerCfg(SConfig *pCfg) {
   tsNumOfCommitThreads = TRANGE(tsNumOfCommitThreads, 2, 4);
   if (cfgAddInt32(pCfg, "numOfCommitThreads", tsNumOfCommitThreads, 1, 1024, 0) != 0) return -1;
 
-  tsNumOfMnodeQueryThreads = tsNumOfCores / 8;
-  tsNumOfMnodeQueryThreads = TRANGE(tsNumOfMnodeQueryThreads, 1, 4);
+  tsNumOfMnodeQueryThreads = tsNumOfCores * 2;
+  tsNumOfMnodeQueryThreads = TRANGE(tsNumOfMnodeQueryThreads, 4, 8);
   if (cfgAddInt32(pCfg, "numOfMnodeQueryThreads", tsNumOfMnodeQueryThreads, 1, 1024, 0) != 0) return -1;
 
   tsNumOfMnodeReadThreads = tsNumOfCores / 8;
   tsNumOfMnodeReadThreads = TRANGE(tsNumOfMnodeReadThreads, 1, 4);
   if (cfgAddInt32(pCfg, "numOfMnodeReadThreads", tsNumOfMnodeReadThreads, 1, 1024, 0) != 0) return -1;
 
-  tsNumOfVnodeQueryThreads = tsNumOfCores / 4;
-  tsNumOfVnodeQueryThreads = TMAX(tsNumOfVnodeQueryThreads, 2);
+  tsNumOfVnodeQueryThreads = tsNumOfCores * 2;
+  tsNumOfVnodeQueryThreads = TMAX(tsNumOfVnodeQueryThreads, 4);
   if (cfgAddInt32(pCfg, "numOfVnodeQueryThreads", tsNumOfVnodeQueryThreads, 1, 1024, 0) != 0) return -1;
 
   tsNumOfVnodeStreamThreads = tsNumOfCores / 4;
@@ -430,8 +430,8 @@ static int32_t taosAddServerCfg(SConfig *pCfg) {
   tsNumOfVnodeSyncThreads = TMAX(tsNumOfVnodeSyncThreads, 1);
   if (cfgAddInt32(pCfg, "numOfVnodeSyncThreads", tsNumOfVnodeSyncThreads, 1, 1024, 0) != 0) return -1;
 
-  tsNumOfQnodeQueryThreads = tsNumOfCores / 2;
-  tsNumOfQnodeQueryThreads = TMAX(tsNumOfQnodeQueryThreads, 1);
+  tsNumOfQnodeQueryThreads = tsNumOfCores * 2;
+  tsNumOfQnodeQueryThreads = TMAX(tsNumOfQnodeQueryThreads, 4);
   if (cfgAddInt32(pCfg, "numOfQnodeQueryThreads", tsNumOfQnodeQueryThreads, 1, 1024, 0) != 0) return -1;
 
   tsNumOfQnodeFetchThreads = tsNumOfCores / 2;

source/common/src/tname.c

@@ -190,6 +190,11 @@ int32_t tNameGetDbName(const SName* name, char* dst) {
   return 0;
 }
 
+const char* tNameGetDbNameP(const SName* name) {
+  return &name->dbname[0];
+}
+
+
 int32_t tNameGetFullDbName(const SName* name, char* dst) {
   assert(name != NULL && dst != NULL);
   snprintf(dst, TSDB_DB_FNAME_LEN, "%d.%s", name->acctId, name->dbname);

source/dnode/mgmt/exe/dmMain.c

@@ -158,8 +158,8 @@ static void taosCleanupArgs() {
 }
 
 int main(int argc, char const *argv[]) {
-  if (!taosCheckSystemIsSmallEnd()) {
-    printf("failed to start since on non-small-end machines\n");
+  if (!taosCheckSystemIsLittleEnd()) {
+    printf("failed to start since on non-little-end machines\n");
     return -1;
   }
 

source/libs/catalog/inc/catalogInt.h

@@ -460,8 +460,6 @@ typedef struct SCtgOperation {
 #define CTG_FLAG_MAKE_STB(_isStb) (((_isStb) == 1) ? CTG_FLAG_STB : ((_isStb) == 0 ? CTG_FLAG_NOT_STB : CTG_FLAG_UNKNOWN_STB))
 #define CTG_FLAG_MATCH_STB(_flag, tbType) (CTG_FLAG_IS_UNKNOWN_STB(_flag) || (CTG_FLAG_IS_STB(_flag) && (tbType) == TSDB_SUPER_TABLE) || (CTG_FLAG_IS_NOT_STB(_flag) && (tbType) != TSDB_SUPER_TABLE))
 
-#define CTG_IS_SYS_DBNAME(_dbname) (((*(_dbname) == 'i') && (0 == strcmp(_dbname, TSDB_INFORMATION_SCHEMA_DB))) || ((*(_dbname) == 'p') && (0 == strcmp(_dbname, TSDB_PERFORMANCE_SCHEMA_DB))))
-
 #define CTG_META_SIZE(pMeta) (sizeof(STableMeta) + ((pMeta)->tableInfo.numOfTags + (pMeta)->tableInfo.numOfColumns) * sizeof(SSchema))
 
 #define CTG_TABLE_NOT_EXIST(code) (code == CTG_ERR_CODE_TABLE_NOT_EXIST) 

source/libs/catalog/src/catalog.c

@@ -865,7 +865,7 @@ int32_t catalogChkTbMetaVersion(SCatalog* pCtg, SRequestConnInfo *pConn, SArray*
 
     tNameFromString(&name, pTb->tbFName, T_NAME_ACCT | T_NAME_DB | T_NAME_TABLE);
 
-    if (CTG_IS_SYS_DBNAME(name.dbname)) {
+    if (IS_SYS_DBNAME(name.dbname)) {
       continue;
     }
 
@@ -936,7 +936,7 @@ int32_t catalogGetTableDistVgInfo(SCatalog* pCtg, SRequestConnInfo *pConn, const
     CTG_API_LEAVE(TSDB_CODE_CTG_INVALID_INPUT);
   }
 
-  if (CTG_IS_SYS_DBNAME(pTableName->dbname)) {
+  if (IS_SYS_DBNAME(pTableName->dbname)) {
     ctgError("no valid vgInfo for db, dbname:%s", pTableName->dbname);
     CTG_API_LEAVE(TSDB_CODE_CTG_INVALID_INPUT);
   }
@@ -947,7 +947,7 @@ int32_t catalogGetTableDistVgInfo(SCatalog* pCtg, SRequestConnInfo *pConn, const
 int32_t catalogGetTableHashVgroup(SCatalog *pCtg, SRequestConnInfo *pConn, const SName *pTableName, SVgroupInfo *pVgroup) {
   CTG_API_ENTER();
 
-  if (CTG_IS_SYS_DBNAME(pTableName->dbname)) {
+  if (IS_SYS_DBNAME(pTableName->dbname)) {
     ctgError("no valid vgInfo for db, dbname:%s", pTableName->dbname);
     CTG_API_LEAVE(TSDB_CODE_CTG_INVALID_INPUT);
   }

source/libs/catalog/src/ctgCache.c

@@ -132,7 +132,7 @@ void ctgReleaseDBCache(SCatalog *pCtg, SCtgDBCache *dbCache) {
 
 int32_t ctgAcquireDBCacheImpl(SCatalog* pCtg, const char *dbFName, SCtgDBCache **pCache, bool acquire) {
   char *p = strchr(dbFName, '.');
-  if (p && CTG_IS_SYS_DBNAME(p + 1)) {
+  if (p && IS_SYS_DBNAME(p + 1)) {
     dbFName = p + 1;
   }
 
@@ -694,7 +694,7 @@ int32_t ctgDropDbCacheEnqueue(SCatalog* pCtg, const char *dbFName, int64_t dbId)
   }
 
   char *p = strchr(dbFName, '.');
-  if (p && CTG_IS_SYS_DBNAME(p + 1)) {
+  if (p && IS_SYS_DBNAME(p + 1)) {
     dbFName = p + 1;
   }
 
@@ -727,7 +727,7 @@ int32_t ctgDropDbVgroupEnqueue(SCatalog* pCtg, const char *dbFName, bool syncOp)
   }
 
   char *p = strchr(dbFName, '.');
-  if (p && CTG_IS_SYS_DBNAME(p + 1)) {
+  if (p && IS_SYS_DBNAME(p + 1)) {
     dbFName = p + 1;
   }
 
@@ -823,7 +823,7 @@ int32_t ctgUpdateVgroupEnqueue(SCatalog* pCtg, const char *dbFName, int64_t dbId
   }
 
   char *p = strchr(dbFName, '.');
-  if (p && CTG_IS_SYS_DBNAME(p + 1)) {
+  if (p && IS_SYS_DBNAME(p + 1)) {
     dbFName = p + 1;
   }
 
@@ -859,7 +859,7 @@ int32_t ctgUpdateTbMetaEnqueue(SCatalog* pCtg, STableMetaOutput *output, bool sy
   }
 
   char *p = strchr(output->dbFName, '.');
-  if (p && CTG_IS_SYS_DBNAME(p + 1)) {
+  if (p && IS_SYS_DBNAME(p + 1)) {
     memmove(output->dbFName, p + 1, strlen(p + 1));
   }
 
@@ -2123,7 +2123,7 @@ int32_t ctgStartUpdateThread() {
 
 
 int32_t ctgGetTbMetaFromCache(SCatalog* pCtg, SRequestConnInfo *pConn, SCtgTbMetaCtx* ctx, STableMeta** pTableMeta) {
-  if (CTG_IS_SYS_DBNAME(ctx->pName->dbname)) {
+  if (IS_SYS_DBNAME(ctx->pName->dbname)) {
     CTG_FLAG_SET_SYS_DB(ctx->flag);
   }
 
@@ -2177,7 +2177,7 @@ _return:
 }
 
 int32_t ctgGetTbHashVgroupFromCache(SCatalog *pCtg, const SName *pTableName, SVgroupInfo **pVgroup) {
-  if (CTG_IS_SYS_DBNAME(pTableName->dbname)) {
+  if (IS_SYS_DBNAME(pTableName->dbname)) {
     ctgError("no valid vgInfo for db, dbname:%s", pTableName->dbname);
     CTG_ERR_RET(TSDB_CODE_CTG_INVALID_INPUT);
   }

source/libs/catalog/src/ctgRemote.c

@@ -375,6 +375,8 @@ int32_t ctgGetQnodeListFromMnode(SCatalog* pCtg, SRequestConnInfo *pConn, SArray
 
   CTG_ERR_RET(ctgProcessRspMsg(out, reqType, rpcRsp.pCont, rpcRsp.contLen, rpcRsp.code, NULL));
 
+  rpcFreeCont(rpcRsp.pCont);
+
   return TSDB_CODE_SUCCESS;
 }
 
@@ -408,6 +410,8 @@ int32_t ctgGetDnodeListFromMnode(SCatalog* pCtg, SRequestConnInfo *pConn, SArray
 
   CTG_ERR_RET(ctgProcessRspMsg(out, reqType, rpcRsp.pCont, rpcRsp.contLen, rpcRsp.code, NULL));
 
+  rpcFreeCont(rpcRsp.pCont);
+
   return TSDB_CODE_SUCCESS;
 }
 
@@ -447,6 +451,8 @@ int32_t ctgGetDBVgInfoFromMnode(SCatalog* pCtg, SRequestConnInfo *pConn, SBuildU
 
   CTG_ERR_RET(ctgProcessRspMsg(out, reqType, rpcRsp.pCont, rpcRsp.contLen, rpcRsp.code, input->db));
   
+  rpcFreeCont(rpcRsp.pCont);
+  
   return TSDB_CODE_SUCCESS;
 }
 
@@ -485,6 +491,8 @@ int32_t ctgGetDBCfgFromMnode(SCatalog* pCtg, SRequestConnInfo *pConn, const char
 
   CTG_ERR_RET(ctgProcessRspMsg(out, reqType, rpcRsp.pCont, rpcRsp.contLen, rpcRsp.code, (char*)dbFName));
 
+  rpcFreeCont(rpcRsp.pCont);
+
   return TSDB_CODE_SUCCESS;
 }
 
@@ -523,6 +531,8 @@ int32_t ctgGetIndexInfoFromMnode(SCatalog* pCtg, SRequestConnInfo *pConn, const
 
   CTG_ERR_RET(ctgProcessRspMsg(out, reqType, rpcRsp.pCont, rpcRsp.contLen, rpcRsp.code, (char*)indexName));
 
+  rpcFreeCont(rpcRsp.pCont);
+  
   return TSDB_CODE_SUCCESS;
 }
 
@@ -564,6 +574,8 @@ int32_t ctgGetTbIndexFromMnode(SCatalog* pCtg, SRequestConnInfo *pConn, SName *n
 
   CTG_ERR_RET(ctgProcessRspMsg(out, reqType, rpcRsp.pCont, rpcRsp.contLen, rpcRsp.code, (char*)tbFName));
 
+  rpcFreeCont(rpcRsp.pCont);
+  
   return TSDB_CODE_SUCCESS;
 }
 
@@ -602,6 +614,8 @@ int32_t ctgGetUdfInfoFromMnode(SCatalog* pCtg, SRequestConnInfo *pConn, const ch
 
   CTG_ERR_RET(ctgProcessRspMsg(out, reqType, rpcRsp.pCont, rpcRsp.contLen, rpcRsp.code, (char*)funcName));
 
+  rpcFreeCont(rpcRsp.pCont);
+
   return TSDB_CODE_SUCCESS;
 }
 
@@ -640,6 +654,8 @@ int32_t ctgGetUserDbAuthFromMnode(SCatalog* pCtg, SRequestConnInfo *pConn, const
 
   CTG_ERR_RET(ctgProcessRspMsg(out, reqType, rpcRsp.pCont, rpcRsp.contLen, rpcRsp.code, (char*)user));
 
+  rpcFreeCont(rpcRsp.pCont);
+  
   return TSDB_CODE_SUCCESS;
 }
 
@@ -683,6 +699,8 @@ int32_t ctgGetTbMetaFromMnodeImpl(SCatalog* pCtg, SRequestConnInfo *pConn, char
   
   CTG_ERR_RET(ctgProcessRspMsg(out, reqType, rpcRsp.pCont, rpcRsp.contLen, rpcRsp.code, tbFName));
 
+  rpcFreeCont(rpcRsp.pCont);
+
   return TSDB_CODE_SUCCESS;
 }
 
@@ -740,6 +758,8 @@ int32_t ctgGetTbMetaFromVnode(SCatalog* pCtg, SRequestConnInfo *pConn, const SNa
 
   CTG_ERR_RET(ctgProcessRspMsg(out, reqType, rpcRsp.pCont, rpcRsp.contLen, rpcRsp.code, tbFName));  
 
+  rpcFreeCont(rpcRsp.pCont);
+
   return TSDB_CODE_SUCCESS;
 }
 
@@ -785,6 +805,8 @@ int32_t ctgGetTableCfgFromVnode(SCatalog* pCtg, SRequestConnInfo *pConn, const S
 
   CTG_ERR_RET(ctgProcessRspMsg(out, reqType, rpcRsp.pCont, rpcRsp.contLen, rpcRsp.code, (char*)tbFName));
 
+  rpcFreeCont(rpcRsp.pCont);
+  
   return TSDB_CODE_SUCCESS;
 }
 
@@ -825,6 +847,8 @@ int32_t ctgGetTableCfgFromMnode(SCatalog* pCtg, SRequestConnInfo *pConn, const S
 
   CTG_ERR_RET(ctgProcessRspMsg(out, reqType, rpcRsp.pCont, rpcRsp.contLen, rpcRsp.code, (char*)tbFName));
 
+  rpcFreeCont(rpcRsp.pCont);
+  
   return TSDB_CODE_SUCCESS;
 }
 
@@ -859,6 +883,8 @@ int32_t ctgGetSvrVerFromMnode(SCatalog* pCtg, SRequestConnInfo *pConn, char **ou
 
   CTG_ERR_RET(ctgProcessRspMsg(out, reqType, rpcRsp.pCont, rpcRsp.contLen, rpcRsp.code, NULL));
 
+  rpcFreeCont(rpcRsp.pCont);
+  
   return TSDB_CODE_SUCCESS;
 }
 

source/libs/executor/src/executorimpl.c

@@ -4291,7 +4291,7 @@ int32_t generateGroupIdMap(STableListInfo* pTableListInfo, SReadHandle* pHandle,
         REPLACE_NODE(pNew);
       } else {
         taosMemoryFree(keyBuf);
-        nodesClearList(groupNew);
+        nodesDestroyList(groupNew);
         metaReaderClear(&mr);
         return code;
       }
@@ -4309,7 +4309,7 @@ int32_t generateGroupIdMap(STableListInfo* pTableListInfo, SReadHandle* pHandle,
           if (tTagIsJson(data)) {
             terrno = TSDB_CODE_QRY_JSON_IN_GROUP_ERROR;
             taosMemoryFree(keyBuf);
-            nodesClearList(groupNew);
+            nodesDestroyList(groupNew);
             metaReaderClear(&mr);
             return terrno;
           }
@@ -4332,7 +4332,7 @@ int32_t generateGroupIdMap(STableListInfo* pTableListInfo, SReadHandle* pHandle,
     info->groupId = groupId;
     groupNum++;
 
-    nodesClearList(groupNew);
+    nodesDestroyList(groupNew);
     metaReaderClear(&mr);
   }
   taosMemoryFree(keyBuf);

source/libs/executor/src/scanoperator.c

@@ -359,6 +359,7 @@ void setTbNameColData(void* pMeta, const SSDataBlock* pBlock, SColumnInfoData* p
 
   SScalarParam param = {.columnData = pColInfoData};
   fpSet.process(&srcParam, 1, &param);
+  colDataDestroy(&infoData);
 }
 
 static SSDataBlock* doTableScanImpl(SOperatorInfo* pOperator) {
@@ -2045,8 +2046,8 @@ static SSDataBlock* sysTableScanUserTables(SOperatorInfo* pOperator) {
         uint64_t suid = pInfo->pCur->mr.me.ctbEntry.suid;
         int32_t  code = metaGetTableEntryByUid(&mr, suid);
         if (code != TSDB_CODE_SUCCESS) {
-          qError("failed to get super table meta, uid:0x%" PRIx64 ", code:%s, %s", suid, tstrerror(terrno),
-                 GET_TASKID(pTaskInfo));
+          qError("failed to get super table meta, cname:%s, suid:0x%" PRIx64 ", code:%s, %s", 
+                 pInfo->pCur->mr.me.name, suid, tstrerror(terrno), GET_TASKID(pTaskInfo));
           metaReaderClear(&mr);
           metaCloseTbCursor(pInfo->pCur);
           pInfo->pCur = NULL;
@@ -2152,16 +2153,39 @@ static SSDataBlock* sysTableScanUserTables(SOperatorInfo* pOperator) {
   }
 }
 
+
+static SSDataBlock* sysTableScanUserSTables(SOperatorInfo* pOperator) {
+  SExecTaskInfo*     pTaskInfo = pOperator->pTaskInfo;
+  SSysTableScanInfo* pInfo = pOperator->info;
+  if (pOperator->status == OP_EXEC_DONE) {
+    return NULL;
+  }
+
+  pInfo->pRes->info.rows = 0;
+  pOperator->status = OP_EXEC_DONE;
+
+  pInfo->loadInfo.totalRows += pInfo->pRes->info.rows;
+  return (pInfo->pRes->info.rows == 0) ? NULL : pInfo->pRes;
+}
+
 static SSDataBlock* doSysTableScan(SOperatorInfo* pOperator) {
   // build message and send to mnode to fetch the content of system tables.
   SExecTaskInfo*     pTaskInfo = pOperator->pTaskInfo;
   SSysTableScanInfo* pInfo = pOperator->info;
 
   const char* name = tNameGetTableName(&pInfo->name);
+  if (pInfo->showRewrite) {
+    char dbName[TSDB_DB_NAME_LEN] = {0};
+    getDBNameFromCondition(pInfo->pCondition, dbName);
+    sprintf(pInfo->req.db, "%d.%s", pInfo->accountId, dbName);
+  }
+  
   if (strncasecmp(name, TSDB_INS_TABLE_USER_TABLES, TSDB_TABLE_FNAME_LEN) == 0) {
     return sysTableScanUserTables(pOperator);
   } else if (strncasecmp(name, TSDB_INS_TABLE_USER_TAGS, TSDB_TABLE_FNAME_LEN) == 0) {
     return sysTableScanUserTags(pOperator);
+  } else if (strncasecmp(name, TSDB_INS_TABLE_USER_STABLES, TSDB_TABLE_FNAME_LEN) == 0 && IS_SYS_DBNAME(pInfo->req.db)) {
+    return sysTableScanUserSTables(pOperator);
   } else {  // load the meta from mnode of the given epset
     if (pOperator->status == OP_EXEC_DONE) {
       return NULL;
@@ -2172,12 +2196,6 @@ static SSDataBlock* doSysTableScan(SOperatorInfo* pOperator) {
       strncpy(pInfo->req.tb, tNameGetTableName(&pInfo->name), tListLen(pInfo->req.tb));
       strcpy(pInfo->req.user, pInfo->pUser);
 
-      if (pInfo->showRewrite) {
-        char dbName[TSDB_DB_NAME_LEN] = {0};
-        getDBNameFromCondition(pInfo->pCondition, dbName);
-        sprintf(pInfo->req.db, "%d.%s", pInfo->accountId, dbName);
-      }
-
       int32_t contLen = tSerializeSRetrieveTableReq(NULL, 0, &pInfo->req);
       char*   buf1 = taosMemoryCalloc(1, contLen);
       tSerializeSRetrieveTableReq(buf1, contLen, &pInfo->req);

source/libs/function/src/udfd.c

@@ -913,8 +913,8 @@ void udfdConnectMnodeThreadFunc(void *args) {
 }
 
 int main(int argc, char *argv[]) {
-  if (!taosCheckSystemIsSmallEnd()) {
-    printf("failed to start since on non-small-end machines\n");
+  if (!taosCheckSystemIsLittleEnd()) {
+    printf("failed to start since on non-little-end machines\n");
     return -1;
   }
 

source/libs/index/src/indexFilter.c

@@ -707,6 +707,8 @@ static int32_t sifCalculate(SNode *pNode, SIFParam *pDst) {
     sifFreeParam(res);
     taosHashRemove(ctx.pRes, (void *)&pNode, POINTER_BYTES);
   }
+  sifFreeRes(ctx.pRes);
+  
   SIF_RET(code);
 }
 

source/libs/parser/src/parInsert.c

@@ -1497,7 +1497,6 @@ static int32_t parseInsertBody(SInsertParseContext* pCxt) {
     memset(&pCxt->tags, 0, sizeof(pCxt->tags));
     pCxt->pVgroupsHashObj = NULL;
     pCxt->pTableBlockHashObj = NULL;
-    pCxt->pTableMeta = NULL;
 
     return TSDB_CODE_SUCCESS;
   }
@@ -1554,7 +1553,10 @@ int32_t parseInsertSql(SParseContext* pContext, SQuery** pQuery, SParseMetaCache
     if (NULL == *pQuery) {
       return TSDB_CODE_OUT_OF_MEMORY;
     }
+  } else {
+    nodesDestroyNode((*pQuery)->pRoot);
   }
+  
   (*pQuery)->execMode = QUERY_EXEC_MODE_SCHEDULE;
   (*pQuery)->haveResultSet = false;
   (*pQuery)->msgType = TDMT_VND_SUBMIT;

source/libs/parser/src/parInsertData.c

@@ -678,6 +678,7 @@ void qFreeStmtDataBlock(void* pDataBlock) {
     return;
   }
 
+  taosMemoryFreeClear(((STableDataBlocks*)pDataBlock)->pTableMeta);
   taosMemoryFreeClear(((STableDataBlocks*)pDataBlock)->pData);
   taosMemoryFreeClear(pDataBlock);
 }

source/libs/parser/src/parUtil.c

@@ -866,13 +866,15 @@ STableCfg* tableCfgDup(STableCfg* pCfg) {
 
   memcpy(pNew, pCfg, sizeof(*pNew));
   if (NULL != pNew->pComment) {
-    pNew->pComment = strdup(pNew->pComment);
+    pNew->pComment = taosMemoryCalloc(pNew->commentLen + 1, 1);
+    memcpy(pNew->pComment, pCfg->pComment, pNew->commentLen);
   }
   if (NULL != pNew->pFuncs) {
     pNew->pFuncs = taosArrayDup(pNew->pFuncs);
   }
   if (NULL != pNew->pTags) {
-    pNew->pTags = strdup(pNew->pTags);
+    pNew->pTags = taosMemoryCalloc(pNew->tagsLen + 1, 1);
+    memcpy(pNew->pTags, pCfg->pTags, pNew->tagsLen);
   }
 
   int32_t schemaSize = (pCfg->numOfColumns + pCfg->numOfTags) * sizeof(SSchema);

source/libs/parser/src/parser.c

@@ -82,11 +82,16 @@ static int32_t parseSqlSyntax(SParseContext* pCxt, SQuery** pQuery, SParseMetaCa
 }
 
 static int32_t setValueByBindParam(SValueNode* pVal, TAOS_MULTI_BIND* pParam) {
+  if (IS_VAR_DATA_TYPE(pVal->node.resType.type)) {
+    taosMemoryFreeClear(pVal->datum.p);
+  }
+  
   if (pParam->is_null && 1 == *(pParam->is_null)) {
     pVal->node.resType.type = TSDB_DATA_TYPE_NULL;
     pVal->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_NULL].bytes;
     return TSDB_CODE_SUCCESS;
   }
+  
   int32_t inputSize = (NULL != pParam->length ? *(pParam->length) : tDataTypes[pParam->buffer_type].bytes);
   pVal->node.resType.type = pParam->buffer_type;
   pVal->node.resType.bytes = inputSize;

source/libs/qcom/src/queryUtil.c

@@ -148,11 +148,12 @@ void destroySendMsgInfo(SMsgSendInfo* pMsgBody) {
   taosMemoryFreeClear(pMsgBody);
 }
 
-int32_t asyncSendMsgToServerExt(void* pTransporter, SEpSet* epSet, int64_t* pTransporterId, const SMsgSendInfo* pInfo,
+int32_t asyncSendMsgToServerExt(void* pTransporter, SEpSet* epSet, int64_t* pTransporterId, SMsgSendInfo* pInfo,
                                 bool persistHandle, void* rpcCtx) {
   char* pMsg = rpcMallocCont(pInfo->msgInfo.len);
   if (NULL == pMsg) {
     qError("0x%" PRIx64 " msg:%s malloc failed", pInfo->requestId, TMSG_INFO(pInfo->msgType));
+    destroySendMsgInfo(pInfo);
     terrno = TSDB_CODE_TSC_OUT_OF_MEMORY;
     return terrno;
   }
@@ -167,13 +168,15 @@ int32_t asyncSendMsgToServerExt(void* pTransporter, SEpSet* epSet, int64_t* pTra
     .info.persistHandle = persistHandle, 
     .code = 0
   };
-  assert(pInfo->fp != NULL);
   TRACE_SET_ROOTID(&rpcMsg.info.traceId, pInfo->requestId);
-  rpcSendRequestWithCtx(pTransporter, epSet, &rpcMsg, pTransporterId, rpcCtx);
-  return TSDB_CODE_SUCCESS;
+  int code = rpcSendRequestWithCtx(pTransporter, epSet, &rpcMsg, pTransporterId, rpcCtx);
+  if (code) {
+    destroySendMsgInfo(pInfo);
+  }
+  return code;
 }
 
-int32_t asyncSendMsgToServer(void* pTransporter, SEpSet* epSet, int64_t* pTransporterId, const SMsgSendInfo* pInfo) {
+int32_t asyncSendMsgToServer(void* pTransporter, SEpSet* epSet, int64_t* pTransporterId, SMsgSendInfo* pInfo) {
   return asyncSendMsgToServerExt(pTransporter, epSet, pTransporterId, pInfo, false, NULL);
 }
 

source/libs/scheduler/src/schRemote.c

@@ -509,7 +509,7 @@ int32_t schGenerateCallBackInfo(SSchJob *pJob, SSchTask *pTask, void *msg, uint3
   SMsgSendInfo *msgSendInfo = taosMemoryCalloc(1, sizeof(SMsgSendInfo));
   if (NULL == msgSendInfo) {
     SCH_TASK_ELOG("calloc %d failed", (int32_t)sizeof(SMsgSendInfo));
-    SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
+    SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
   }
 
   msgSendInfo->paramFreeFp = taosMemoryFree;      
@@ -535,7 +535,11 @@ int32_t schGenerateCallBackInfo(SSchJob *pJob, SSchTask *pTask, void *msg, uint3
 
 _return:
 
+  if (msgSendInfo) {
     destroySendMsgInfo(msgSendInfo);
+  }
+
+  taosMemoryFree(msg);
   
   SCH_RET(code);
 }
@@ -843,6 +847,7 @@ int32_t schAsyncSendMsg(SSchJob *pJob, SSchTask *pTask, SSchTrans *trans, SQuery
 
   int64_t transporterId = 0;
   code = asyncSendMsgToServerExt(trans->pTrans, epSet, &transporterId, pMsgSendInfo, persistHandle, ctx);
+  pMsgSendInfo = NULL;
   if (code) {
     SCH_ERR_JRET(code);
   }
@@ -919,7 +924,9 @@ int32_t schBuildAndSendHbMsg(SQueryNodeEpId *nodeEpId, SArray *taskAction) {
   addr.epSet.numOfEps = 1;
   memcpy(&addr.epSet.eps[0], &nodeEpId->ep, sizeof(nodeEpId->ep));
 
-  SCH_ERR_JRET(schAsyncSendMsg(NULL, NULL, &trans, &addr, msgType, msg, msgSize, true, &rpcCtx));
+  code = schAsyncSendMsg(NULL, NULL, &trans, &addr, msgType, msg, msgSize, true, &rpcCtx);
+  msg = NULL;
+  SCH_ERR_JRET(code);
 
   return TSDB_CODE_SUCCESS;
 
@@ -1087,8 +1094,9 @@ int32_t schBuildAndSendMsg(SSchJob *pJob, SSchTask *pTask, SQueryNodeAddr *addr,
   }
 
   SSchTrans trans = {.pTrans = pJob->conn.pTrans, .pHandle = SCH_GET_TASK_HANDLE(pTask)};
-  SCH_ERR_JRET(
-      schAsyncSendMsg(pJob, pTask, &trans, addr, msgType, msg, msgSize, persistHandle, (rpcCtx.args ? &rpcCtx : NULL)));
+  schAsyncSendMsg(pJob, pTask, &trans, addr, msgType, msg, msgSize, persistHandle, (rpcCtx.args ? &rpcCtx : NULL));
+  msg = NULL;
+  SCH_ERR_JRET(code);
   
   if (msgType == TDMT_SCH_QUERY || msgType == TDMT_SCH_MERGE_QUERY) {
     SCH_ERR_RET(schAppendTaskExecNode(pJob, pTask, addr, pTask->execId));

source/libs/scheduler/src/schTask.c

@@ -102,14 +102,14 @@ int32_t schRecordTaskSucceedNode(SSchJob *pJob, SSchTask *pTask) {
 }
 
 int32_t schAppendTaskExecNode(SSchJob *pJob, SSchTask *pTask, SQueryNodeAddr *addr, int32_t execId) {
-  SSchNodeInfo nodeInfo = {.addr = *addr, .handle = NULL};
+  SSchNodeInfo nodeInfo = {.addr = *addr, .handle = SCH_GET_TASK_HANDLE(pTask)};
 
   if (taosHashPut(pTask->execNodes, &execId, sizeof(execId), &nodeInfo, sizeof(nodeInfo))) {
     SCH_TASK_ELOG("taosHashPut nodeInfo to execNodes failed, errno:%d", errno);
     SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
   }
 
-  SCH_TASK_DLOG("task execNode added, execId:%d", execId);
+  SCH_TASK_DLOG("task execNode added, execId:%d, handle:%p", execId, nodeInfo.handle);
 
   return TSDB_CODE_SUCCESS;
 }
@@ -752,12 +752,18 @@ void schDropTaskOnExecNode(SSchJob *pJob, SSchTask *pTask) {
     return;
   }
 
+  int32_t i = 0;
   SSchNodeInfo *nodeInfo = taosHashIterate(pTask->execNodes, NULL);
   while (nodeInfo) {
+    if (nodeInfo->handle) {
       SCH_SET_TASK_HANDLE(pTask, nodeInfo->handle);
-
       schBuildAndSendMsg(pJob, pTask, &nodeInfo->addr, TDMT_SCH_DROP_TASK);
+      SCH_TASK_DLOG("start to drop task's %dth execNode", i);
+    } else {
+      SCH_TASK_DLOG("no need to drop task %dth execNode", i);
+    }
 
+    ++i;
     nodeInfo = taosHashIterate(pTask->execNodes, nodeInfo);
   }
 

source/libs/transport/inc/transComm.h

@@ -226,11 +226,13 @@ typedef struct {
   int         index;
   int         nAsync;
   uv_async_t* asyncs;
+  int8_t      stop;
 } SAsyncPool;
 
 SAsyncPool* transCreateAsyncPool(uv_loop_t* loop, int sz, void* arg, AsyncCB cb);
 void        transDestroyAsyncPool(SAsyncPool* pool);
 int         transAsyncSend(SAsyncPool* pool, queue* mq);
+bool        transAsyncPoolIsEmpty(SAsyncPool* pool);
 
 #define TRANS_DESTROY_ASYNC_POOL_MSG(pool, msgType, freeFunc) \
   do {                                                        \
@@ -289,14 +291,14 @@ void transUnrefSrvHandle(void* handle);
 void transRefCliHandle(void* handle);
 void transUnrefCliHandle(void* handle);
 
-void transReleaseCliHandle(void* handle);
-void transReleaseSrvHandle(void* handle);
+int transReleaseCliHandle(void* handle);
+int transReleaseSrvHandle(void* handle);
 
-void transSendRequest(void* shandle, const SEpSet* pEpSet, STransMsg* pMsg, STransCtx* pCtx);
-void transSendRecv(void* shandle, const SEpSet* pEpSet, STransMsg* pMsg, STransMsg* pRsp);
-void transSendResponse(const STransMsg* msg);
-void transRegisterMsg(const STransMsg* msg);
-void transSetDefaultAddr(void* shandle, const char* ip, const char* fqdn);
+int transSendRequest(void* shandle, const SEpSet* pEpSet, STransMsg* pMsg, STransCtx* pCtx);
+int transSendRecv(void* shandle, const SEpSet* pEpSet, STransMsg* pMsg, STransMsg* pRsp);
+int transSendResponse(const STransMsg* msg);
+int transRegisterMsg(const STransMsg* msg);
+int transSetDefaultAddr(void* shandle, const char* ip, const char* fqdn);
 
 int64_t transAllocHandle();
 

source/libs/transport/src/trans.c

@@ -25,7 +25,7 @@ void (*taosCloseHandle[])(void* arg) = {transCloseServer, transCloseClient};
 void (*taosRefHandle[])(void* handle) = {transRefSrvHandle, transRefCliHandle};
 void (*taosUnRefHandle[])(void* handle) = {transUnrefSrvHandle, transUnrefCliHandle};
 
-void (*transReleaseHandle[])(void* handle) = {transReleaseSrvHandle, transReleaseCliHandle};
+int (*transReleaseHandle[])(void* handle) = {transReleaseSrvHandle, transReleaseCliHandle};
 
 static int32_t transValidLocalFqdn(const char* localFqdn, uint32_t* ip) {
   *ip = taosGetIpv4FromFqdn(localFqdn);
@@ -112,7 +112,7 @@ void* rpcMallocCont(int32_t contLen) {
 void rpcFreeCont(void* cont) {
   if (cont == NULL) return;
   taosMemoryFree((char*)cont - TRANS_MSG_OVERHEAD);
-  tTrace("free mem:%p", (char*)cont - TRANS_MSG_OVERHEAD);
+  tTrace("rpc free cont:%p", (char*)cont - TRANS_MSG_OVERHEAD);
 }
 
 void* rpcReallocCont(void* ptr, int32_t contLen) {
@@ -129,25 +129,20 @@ void* rpcReallocCont(void* ptr, int32_t contLen) {
   return st + TRANS_MSG_OVERHEAD;
 }
 
-void rpcSendRedirectRsp(void* thandle, const SEpSet* pEpSet) {
-  // deprecated api
-  assert(0);
-}
-
 int32_t rpcReportProgress(void* pConn, char* pCont, int32_t contLen) { return -1; }
 void    rpcCancelRequest(int64_t rid) { return; }
 
-void rpcSendRequest(void* shandle, const SEpSet* pEpSet, SRpcMsg* pMsg, int64_t* pRid) {
-  transSendRequest(shandle, pEpSet, pMsg, NULL);
+int rpcSendRequest(void* shandle, const SEpSet* pEpSet, SRpcMsg* pMsg, int64_t* pRid) {
+  return transSendRequest(shandle, pEpSet, pMsg, NULL);
 }
-void rpcSendRequestWithCtx(void* shandle, const SEpSet* pEpSet, SRpcMsg* pMsg, int64_t* pRid, SRpcCtx* pCtx) {
-  transSendRequest(shandle, pEpSet, pMsg, pCtx);
+int rpcSendRequestWithCtx(void* shandle, const SEpSet* pEpSet, SRpcMsg* pMsg, int64_t* pRid, SRpcCtx* pCtx) {
+  return transSendRequest(shandle, pEpSet, pMsg, pCtx);
 }
-void rpcSendRecv(void* shandle, SEpSet* pEpSet, SRpcMsg* pMsg, SRpcMsg* pRsp) {
-  transSendRecv(shandle, pEpSet, pMsg, pRsp);
+int rpcSendRecv(void* shandle, SEpSet* pEpSet, SRpcMsg* pMsg, SRpcMsg* pRsp) {
+  return transSendRecv(shandle, pEpSet, pMsg, pRsp);
 }
 
-void rpcSendResponse(const SRpcMsg* pMsg) { transSendResponse(pMsg); }
+int rpcSendResponse(const SRpcMsg* pMsg) { return transSendResponse(pMsg); }
 
 void rpcRefHandle(void* handle, int8_t type) {
   assert(type == TAOS_CONN_SERVER || type == TAOS_CONN_CLIENT);
@@ -159,15 +154,15 @@ void rpcUnrefHandle(void* handle, int8_t type) {
   (*taosUnRefHandle[type])(handle);
 }
 
-void rpcRegisterBrokenLinkArg(SRpcMsg* msg) { transRegisterMsg(msg); }
-void rpcReleaseHandle(void* handle, int8_t type) {
+int rpcRegisterBrokenLinkArg(SRpcMsg* msg) { return transRegisterMsg(msg); }
+int rpcReleaseHandle(void* handle, int8_t type) {
   assert(type == TAOS_CONN_SERVER || type == TAOS_CONN_CLIENT);
-  (*transReleaseHandle[type])(handle);
+  return (*transReleaseHandle[type])(handle);
 }
 
-void rpcSetDefaultAddr(void* thandle, const char* ip, const char* fqdn) {
+int rpcSetDefaultAddr(void* thandle, const char* ip, const char* fqdn) {
   // later
-  transSetDefaultAddr(thandle, ip, fqdn);
+  return transSetDefaultAddr(thandle, ip, fqdn);
 }
 
 void* rpcAllocHandle() { return (void*)transAllocHandle(); }

source/libs/transport/src/transCli.c

@@ -70,6 +70,8 @@ typedef struct SCliThrd {
 
   SCvtAddr cvtAddr;
 
+  SCliMsg* stopMsg;
+
   bool quit;
 } SCliThrd;
 
@@ -761,14 +763,17 @@ void cliConnCb(uv_connect_t* req, int status) {
 }
 
 static void cliHandleQuit(SCliMsg* pMsg, SCliThrd* pThrd) {
+  if (!transAsyncPoolIsEmpty(pThrd->asyncPool)) {
+    pThrd->stopMsg = pMsg;
+    return;
+  }
+  pThrd->stopMsg = NULL;
   pThrd->quit = true;
   tDebug("cli work thread %p start to quit", pThrd);
   destroyCmsg(pMsg);
   destroyConnPool(pThrd->pool);
   uv_timer_stop(&pThrd->timer);
   uv_walk(pThrd->loop, cliWalkCb, NULL);
-
-  // uv_stop(pThrd->loop);
 }
 static void cliHandleRelease(SCliMsg* pMsg, SCliThrd* pThrd) {
   int64_t    refId = (int64_t)(pMsg->msg.info.handle);
@@ -925,6 +930,7 @@ static void cliAsyncCb(uv_async_t* handle) {
   if (count >= 2) {
     tTrace("cli process batch size:%d", count);
   }
+  if (pThrd->stopMsg != NULL) cliHandleQuit(pThrd->stopMsg, pThrd);
 }
 
 static void* cliWorkThread(void* arg) {
@@ -1020,6 +1026,7 @@ void cliSendQuit(SCliThrd* thrd) {
   SCliMsg* msg = taosMemoryCalloc(1, sizeof(SCliMsg));
   msg->type = Quit;
   transAsyncSend(thrd->asyncPool, &msg->q);
+  atomic_store_8(&thrd->asyncPool->stop, 1);
 }
 void cliWalkCb(uv_handle_t* handle, void* arg) {
   if (!uv_is_closing(handle)) {
@@ -1225,33 +1232,38 @@ SCliThrd* transGetWorkThrd(STrans* trans, int64_t handle, bool* validHandle) {
   }
   return pThrd;
 }
-void transReleaseCliHandle(void* handle) {
+int transReleaseCliHandle(void* handle) {
   int  idx = -1;
   bool valid = false;
 
   SCliThrd* pThrd = transGetWorkThrdFromHandle((int64_t)handle, &valid);
   if (pThrd == NULL) {
-    return;
+    return -1;
   }
   STransMsg tmsg = {.info.handle = handle};
   SCliMsg*  cmsg = taosMemoryCalloc(1, sizeof(SCliMsg));
   cmsg->msg = tmsg;
   cmsg->type = Release;
 
-  transAsyncSend(pThrd->asyncPool, &cmsg->q);
-  return;
+  if (0 != transAsyncSend(pThrd->asyncPool, &cmsg->q)) {
+    return -1;
+  }
+  return 0;
 }
 
-void transSendRequest(void* shandle, const SEpSet* pEpSet, STransMsg* pReq, STransCtx* ctx) {
+int transSendRequest(void* shandle, const SEpSet* pEpSet, STransMsg* pReq, STransCtx* ctx) {
   STrans* pTransInst = (STrans*)transAcquireExHandle(transGetInstMgt(), (int64_t)shandle);
-  if (pTransInst == NULL) return;
+  if (pTransInst == NULL) {
+    transFreeMsg(pReq->pCont);
+    return -1;
+  }
 
   bool      valid = false;
   SCliThrd* pThrd = transGetWorkThrd(pTransInst, (int64_t)pReq->info.handle, &valid);
   if (pThrd == NULL && valid == false) {
     transFreeMsg(pReq->pCont);
     transReleaseExHandle(transGetInstMgt(), (int64_t)shandle);
-    return;
+    return -1;
   }
 
   TRACE_SET_MSGID(&pReq->info.traceId, tGenIdPI64());
@@ -1276,21 +1288,28 @@ void transSendRequest(void* shandle, const SEpSet* pEpSet, STransMsg* pReq, STra
   STraceId* trace = &pReq->info.traceId;
   tGDebug("%s send request at thread:%08" PRId64 ", dst:%s:%d, app:%p", transLabel(pTransInst), pThrd->pid,
           EPSET_GET_INUSE_IP(&pCtx->epSet), EPSET_GET_INUSE_PORT(&pCtx->epSet), pReq->info.ahandle);
-  ASSERT(transAsyncSend(pThrd->asyncPool, &(cliMsg->q)) == 0);
+  if (0 != transAsyncSend(pThrd->asyncPool, &(cliMsg->q))) {
+    destroyCmsg(cliMsg);
     transReleaseExHandle(transGetInstMgt(), (int64_t)shandle);
-  return;
+    return -1;
+  }
+  transReleaseExHandle(transGetInstMgt(), (int64_t)shandle);
+  return 0;
 }
 
-void transSendRecv(void* shandle, const SEpSet* pEpSet, STransMsg* pReq, STransMsg* pRsp) {
+int transSendRecv(void* shandle, const SEpSet* pEpSet, STransMsg* pReq, STransMsg* pRsp) {
   STrans* pTransInst = (STrans*)transAcquireExHandle(transGetInstMgt(), (int64_t)shandle);
-  if (pTransInst == NULL) return;
+  if (pTransInst == NULL) {
+    transFreeMsg(pReq->pCont);
+    return -1;
+  }
 
   bool      valid = false;
   SCliThrd* pThrd = transGetWorkThrd(pTransInst, (int64_t)pReq->info.handle, &valid);
   if (pThrd == NULL && valid == false) {
     transFreeMsg(pReq->pCont);
     transReleaseExHandle(transGetInstMgt(), (int64_t)shandle);
-    return;
+    return -1;
   }
 
   tsem_t* sem = taosMemoryCalloc(1, sizeof(tsem_t));
@@ -1317,20 +1336,28 @@ void transSendRecv(void* shandle, const SEpSet* pEpSet, STransMsg* pReq, STransM
   tGDebug("%s send request at thread:%08" PRId64 ", dst:%s:%d, app:%p", transLabel(pTransInst), pThrd->pid,
           EPSET_GET_INUSE_IP(&pCtx->epSet), EPSET_GET_INUSE_PORT(&pCtx->epSet), pReq->info.ahandle);
 
-  transAsyncSend(pThrd->asyncPool, &(cliMsg->q));
+  if (0 != transAsyncSend(pThrd->asyncPool, &cliMsg->q)) {
+    tsem_destroy(sem);
+    taosMemoryFree(sem);
+    destroyCmsg(cliMsg);
+    transReleaseExHandle(transGetInstMgt(), (int64_t)shandle);
+    return -1;
+  }
   tsem_wait(sem);
   tsem_destroy(sem);
   taosMemoryFree(sem);
 
   transReleaseExHandle(transGetInstMgt(), (int64_t)shandle);
-  return;
+  return 0;
 }
 /*
  *
  **/
-void transSetDefaultAddr(void* shandle, const char* ip, const char* fqdn) {
+int transSetDefaultAddr(void* shandle, const char* ip, const char* fqdn) {
   STrans* pTransInst = (STrans*)transAcquireExHandle(transGetInstMgt(), (int64_t)shandle);
-  if (pTransInst == NULL) return;
+  if (pTransInst == NULL) {
+    return -1;
+  }
 
   SCvtAddr cvtAddr = {0};
   if (ip != NULL && fqdn != NULL) {
@@ -1350,9 +1377,14 @@ void transSetDefaultAddr(void* shandle, const char* ip, const char* fqdn) {
     SCliThrd* thrd = ((SCliObj*)pTransInst->tcphandle)->pThreadObj[i];
     tDebug("%s update epset at thread:%08" PRId64, pTransInst->label, thrd->pid);
 
-    transAsyncSend(thrd->asyncPool, &(cliMsg->q));
+    if (transAsyncSend(thrd->asyncPool, &(cliMsg->q)) != 0) {
+      destroyCmsg(cliMsg);
+      transReleaseExHandle(transGetInstMgt(), (int64_t)shandle);
+      return -1;
+    }
   }
   transReleaseExHandle(transGetInstMgt(), (int64_t)shandle);
+  return 0;
 }
 
 int64_t transAllocHandle() {

source/libs/transport/src/transComm.c

@@ -124,6 +124,7 @@ int transAllocBuffer(SConnBuffer* connBuf, uv_buf_t* uvBuf) {
   SConnBuffer* p = connBuf;
   if (p->cap == 0) {
     p->buf = (char*)taosMemoryCalloc(CAPACITY, sizeof(char));
+    tTrace("internal malloc mem:%p, size:%d", p->buf, CAPACITY);
     p->len = 0;
     p->cap = CAPACITY;
     p->total = -1;
@@ -136,7 +137,7 @@ int transAllocBuffer(SConnBuffer* connBuf, uv_buf_t* uvBuf) {
   } else {
     p->cap = p->total;
     p->buf = taosMemoryRealloc(p->buf, p->cap);
-    tTrace("internal malloc mem:%p, size:%d", p->buf, p->cap);
+    tTrace("internal realloc mem:%p, size:%d", p->buf, p->cap);
 
     uvBuf->base = p->buf + p->len;
     uvBuf->len = p->cap - p->len;
@@ -176,7 +177,6 @@ int transSetConnOption(uv_tcp_t* stream) {
 
 SAsyncPool* transCreateAsyncPool(uv_loop_t* loop, int sz, void* arg, AsyncCB cb) {
   SAsyncPool* pool = taosMemoryCalloc(1, sizeof(SAsyncPool));
-  pool->index = 0;
   pool->nAsync = sz;
   pool->asyncs = taosMemoryCalloc(1, sizeof(uv_async_t) * pool->nAsync);
 
@@ -206,6 +206,9 @@ void transDestroyAsyncPool(SAsyncPool* pool) {
   taosMemoryFree(pool);
 }
 int transAsyncSend(SAsyncPool* pool, queue* q) {
+  if (atomic_load_8(&pool->stop) == 1) {
+    return -1;
+  }
   int idx = pool->index;
   idx = idx % pool->nAsync;
   // no need mutex here
@@ -225,6 +228,14 @@ int transAsyncSend(SAsyncPool* pool, queue* q) {
   }
   return uv_async_send(async);
 }
+bool transAsyncPoolIsEmpty(SAsyncPool* pool) {
+  for (int i = 0; i < pool->nAsync; i++) {
+    uv_async_t* async = &(pool->asyncs[i]);
+    SAsyncItem* item = async->data;
+    if (!QUEUE_IS_EMPTY(&item->qmsg)) return false;
+  }
+  return true;
+}
 
 void transCtxInit(STransCtx* ctx) {
   // init transCtx
@@ -240,7 +251,7 @@ void transCtxCleanup(STransCtx* ctx) {
     ctx->freeFunc(iter->val);
     iter = taosHashIterate(ctx->args, iter);
   }
-
+  ctx->freeFunc(ctx->brokenVal.val);
   taosHashCleanup(ctx->args);
   ctx->args = NULL;
 }

source/libs/transport/src/transSvr.c

@@ -1034,7 +1034,7 @@ void transUnrefSrvHandle(void* handle) {
   }
 }
 
-void transReleaseSrvHandle(void* handle) {
+int transReleaseSrvHandle(void* handle) {
   SRpcHandleInfo* info = handle;
   SExHandle*      exh = info->handle;
   int64_t         refId = info->refId;
@@ -1053,16 +1053,16 @@ void transReleaseSrvHandle(void* handle) {
   tTrace("%s conn %p start to release", transLabel(pThrd->pTransInst), exh->handle);
   transAsyncSend(pThrd->asyncPool, &m->q);
   transReleaseExHandle(transGetRefMgt(), refId);
-  return;
+  return 0;
 _return1:
   tTrace("handle %p failed to send to release handle", exh);
   transReleaseExHandle(transGetRefMgt(), refId);
-  return;
+  return -1;
 _return2:
   tTrace("handle %p failed to send to release handle", exh);
-  return;
+  return -1;
 }
-void transSendResponse(const STransMsg* msg) {
+int transSendResponse(const STransMsg* msg) {
   SExHandle* exh = msg->info.handle;
   int64_t    refId = msg->info.refId;
   ASYNC_CHECK_HANDLE(exh, refId);
@@ -1082,18 +1082,18 @@ void transSendResponse(const STransMsg* msg) {
   tGTrace("conn %p start to send resp (1/2)", exh->handle);
   transAsyncSend(pThrd->asyncPool, &m->q);
   transReleaseExHandle(transGetRefMgt(), refId);
-  return;
+  return 0;
 _return1:
   tTrace("handle %p failed to send resp", exh);
   rpcFreeCont(msg->pCont);
   transReleaseExHandle(transGetRefMgt(), refId);
-  return;
+  return -1;
 _return2:
   tTrace("handle %p failed to send resp", exh);
   rpcFreeCont(msg->pCont);
-  return;
+  return -1;
 }
-void transRegisterMsg(const STransMsg* msg) {
+int transRegisterMsg(const STransMsg* msg) {
   SExHandle* exh = msg->info.handle;
   int64_t    refId = msg->info.refId;
   ASYNC_CHECK_HANDLE(exh, refId);
@@ -1112,16 +1112,17 @@ void transRegisterMsg(const STransMsg* msg) {
   tTrace("%s conn %p start to register brokenlink callback", transLabel(pTransInst), exh->handle);
   transAsyncSend(pThrd->asyncPool, &m->q);
   transReleaseExHandle(transGetRefMgt(), refId);
-  return;
+  return 0;
 
 _return1:
   tTrace("handle %p failed to register brokenlink", exh);
   rpcFreeCont(msg->pCont);
   transReleaseExHandle(transGetRefMgt(), refId);
-  return;
+  return -1;
 _return2:
   tTrace("handle %p failed to register brokenlink", exh);
   rpcFreeCont(msg->pCont);
+  return -1;
 }
 
 int transGetConnInfo(void* thandle, STransHandleInfo* pConnInfo) { return -1; }

source/os/src/osSysinfo.c

@@ -210,7 +210,7 @@ static int32_t taosGetProcCpuInfo(ProcCpuInfo *cpuInfo) {
 }
 
 
-bool taosCheckSystemIsSmallEnd() {
+bool taosCheckSystemIsLittleEnd() {
   union check {
     int16_t i;
     char    ch[2];

tests/script/api/batchprepare.c

@@ -218,7 +218,7 @@ typedef struct {
 } CaseCtrl;
 
 #if 0
-CaseCtrl gCaseCtrl = { // default
+CaseCtrl gCaseCtrl = {
   .precision = TIME_PRECISION_MICRO,
   .bindNullNum = 0,
   .printCreateTblSql = false,
@@ -251,7 +251,7 @@ CaseCtrl gCaseCtrl = { // default
 
 
 #if 1
-CaseCtrl gCaseCtrl = {
+CaseCtrl gCaseCtrl = {  // default
   .precision = TIME_PRECISION_MILLI,
   .bindNullNum = 0,
   .printCreateTblSql = false,
@@ -299,7 +299,7 @@ CaseCtrl gCaseCtrl = {  // query case with specified col&oper
   .printRes = true,
   .runTimes = 0,
   .caseRunIdx = -1,
-  .caseIdx = 23,
+  .caseIdx = 5,
   .caseNum = 1,
   .caseRunNum = 1,
 };
@@ -328,7 +328,7 @@ CaseCtrl gCaseCtrl = {  // query case with specified col&oper
   //.optrIdxList = optrIdxList,
   //.bindColTypeNum = tListLen(bindColTypeList),
   //.bindColTypeList = bindColTypeList,
-  .caseIdx = 24,
+  .caseIdx = 8,
   .caseNum = 1,
   .caseRunNum = 1,
 };
@@ -1384,6 +1384,7 @@ void bpCheckTagFields(TAOS_STMT *stmt, TAOS_MULTI_BIND* pBind) {
   }
   
   bpCheckColTagFields(stmt, fieldNum, pFields, gCurCase->bindTagNum, pBind, BP_BIND_TAG);
+  taosMemoryFree(pFields);
 }
 
 void bpCheckColFields(TAOS_STMT *stmt, TAOS_MULTI_BIND* pBind) {
@@ -1401,12 +1402,13 @@ void bpCheckColFields(TAOS_STMT *stmt, TAOS_MULTI_BIND* pBind) {
   }
   
   bpCheckColTagFields(stmt, fieldNum, pFields, gCurCase->bindColNum, pBind, BP_BIND_COL);
+  taosMemoryFree(pFields);
 }
 
 void bpShowBindParam(TAOS_MULTI_BIND *bind, int32_t num) {
   for (int32_t i = 0; i < num; ++i) {
     TAOS_MULTI_BIND* b = &bind[i];
-    printf("Bind %d: type[%d],buf[%p],buflen[%d],len[%],null[%d],num[%d]\n", 
+    printf("Bind %d: type[%d],buf[%p],buflen[%d],len[%d],null[%d],num[%d]\n", 
       i, b->buffer_type, b->buffer, b->buffer_length, b->length ? *b->length : 0, b->is_null ? *b->is_null : 0, b->num);
   }
 }
@@ -2596,6 +2598,7 @@ void runAll(TAOS *taos) {
   printf("%s Begin\n", gCaseCtrl.caseCatalog);
   runCaseList(taos);
 
+#if 0
   strcpy(gCaseCtrl.caseCatalog, "Micro DB precision Test");
   printf("%s Begin\n", gCaseCtrl.caseCatalog);
   gCaseCtrl.precision = TIME_PRECISION_MICRO;
@@ -2626,7 +2629,6 @@ void runAll(TAOS *taos) {
   runCaseList(taos);
   gCaseCtrl.bindRowNum = 0;
 
-#if 0
   strcpy(gCaseCtrl.caseCatalog, "Row Num Test");
   printf("%s Begin\n", gCaseCtrl.caseCatalog);
   gCaseCtrl.rowNum = 1000;
@@ -2640,7 +2642,6 @@ void runAll(TAOS *taos) {
   gCaseCtrl.runTimes = 2;
   runCaseList(taos);
   gCaseCtrl.runTimes = 0;
-#endif
 
   strcpy(gCaseCtrl.caseCatalog, "Check Param Test");
   printf("%s Begin\n", gCaseCtrl.caseCatalog);
@@ -2648,19 +2649,20 @@ void runAll(TAOS *taos) {
   runCaseList(taos);
   gCaseCtrl.checkParamNum = false;
 
-#if 0
   strcpy(gCaseCtrl.caseCatalog, "Bind Col Num Test");
   printf("%s Begin\n", gCaseCtrl.caseCatalog);
   gCaseCtrl.bindColNum = 6;
   runCaseList(taos);
   gCaseCtrl.bindColNum = 0;
+#endif
 
+/*
   strcpy(gCaseCtrl.caseCatalog, "Bind Col Type Test");
   printf("%s Begin\n", gCaseCtrl.caseCatalog);
   gCaseCtrl.bindColTypeNum = tListLen(bindColTypeList);
   gCaseCtrl.bindColTypeList = bindColTypeList;  
   runCaseList(taos);
-#endif
+*/
 
   printf("All Test End\n");  
 }