diff --git a/include/libs/catalog/catalog.h b/include/libs/catalog/catalog.h
index a7842f9ef6..b72ccf027f 100644
--- a/include/libs/catalog/catalog.h
+++ b/include/libs/catalog/catalog.h
@@ -103,28 +103,15 @@ int32_t catalogUpdateDBVgroup(struct SCatalog* pCatalog, const char* dbName, SDB
  */
 int32_t catalogGetTableMeta(struct SCatalog* pCatalog, void * pTransporter, const SEpSet* pMgmtEps, const SName* pTableName, STableMeta** pTableMeta);
 
-/**
- * Get a super table's meta data. 
- * @param pCatalog (input, got with catalogGetHandle)
- * @param pTransporter (input, rpc object)
- * @param pMgmtEps (input, mnode EPs)
- * @param pTableName (input, table name, NOT including db name)
- * @param pTableMeta(output, table meta data, NEED to free it by calller)
- * @return error code
- */
-int32_t catalogGetSTableMeta(struct SCatalog* pCatalog, void * pTransporter, const SEpSet* pMgmtEps, const SName* pTableName, STableMeta** pTableMeta);
-
-
 /**
  * Force renew a table's local cached meta data. 
  * @param pCatalog (input, got with catalogGetHandle)
  * @param pTransporter (input, rpc object)
  * @param pMgmtEps (input, mnode EPs)
  * @param pTableName (input, table name, NOT including db name)
- * @param isSTable (input, is super table or not, 1:supposed to be stable, 0: supposed not to be stable, -1:not sure)
  * @return error code
  */
-int32_t catalogRenewTableMeta(struct SCatalog* pCatalog, void * pTransporter, const SEpSet* pMgmtEps, const SName* pTableName, int32_t isSTable);
+int32_t catalogRenewTableMeta(struct SCatalog* pCatalog, void * pTransporter, const SEpSet* pMgmtEps, const SName* pTableName);
 
 /**
  * Force renew a table's local cached meta data and get the new one. 
@@ -133,10 +120,9 @@ int32_t catalogRenewTableMeta(struct SCatalog* pCatalog, void * pTransporter, co
  * @param pMgmtEps (input, mnode EPs)
  * @param pTableName (input, table name, NOT including db name)
  * @param pTableMeta(output, table meta data, NEED to free it by calller) 
- * @param isSTable (input, is super table or not, 1:supposed to be stable, 0: supposed not to be stable, -1:not sure)
  * @return error code
  */
-int32_t catalogRenewAndGetTableMeta(struct SCatalog* pCatalog, void *pTransporter, const SEpSet* pMgmtEps, const SName* pTableName, STableMeta** pTableMeta, int32_t isSTable);
+int32_t catalogRenewAndGetTableMeta(struct SCatalog* pCatalog, void *pTransporter, const SEpSet* pMgmtEps, const SName* pTableName, STableMeta** pTableMeta);
 
 
 /**
diff --git a/source/libs/catalog/src/catalog.c b/source/libs/catalog/src/catalog.c
index 58b61acb0d..5e8a9389f0 100644
--- a/source/libs/catalog/src/catalog.c
+++ b/source/libs/catalog/src/catalog.c
@@ -119,8 +119,6 @@ int32_t ctgGetTableMetaFromCache(struct SCatalog* pCatalog, const SName* pTableN
   }
 
   *exist = 1;
-  
-  tbMeta = *pTableMeta;
 
   if (tbMeta->tableType != TSDB_CHILD_TABLE) {
     ctgDebug("Got tablemeta from cache, tbName:%s", tbFullName);
@@ -201,7 +199,14 @@ void ctgGenEpSet(SEpSet *epSet, SVgroupInfo *vgroupInfo) {
   }
 }
 
-int32_t ctgGetTableMetaFromMnodeImpl(struct SCatalog* pCatalog, void *pRpc, const SEpSet* pMgmtEps, char* tbFullName, STableMetaOutput* output) {
+int32_t ctgGetTableMetaFromMnode(struct SCatalog* pCatalog, void *pRpc, const SEpSet* pMgmtEps, const SName* pTableName, STableMetaOutput* output) {
+  if (NULL == pCatalog || NULL == pRpc || NULL == pMgmtEps || NULL == pTableName || NULL == output) {
+    CTG_ERR_RET(TSDB_CODE_CTG_INVALID_INPUT);
+  }
+
+  char tbFullName[TSDB_TABLE_FNAME_LEN];
+  tNameExtractFullName(pTableName, tbFullName);
+
   SBuildTableMetaInput bInput = {.vgId = 0, .dbName = NULL, .tableFullName = tbFullName};
   char *msg = NULL;
   SEpSet *pVnodeEpSet = NULL;
@@ -247,13 +252,6 @@ int32_t ctgGetTableMetaFromMnodeImpl(struct SCatalog* pCatalog, void *pRpc, cons
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t ctgGetTableMetaFromMnode(struct SCatalog* pCatalog, void *pRpc, const SEpSet* pMgmtEps, const SName* pTableName, STableMetaOutput* output) {
-  char tbFullName[TSDB_TABLE_FNAME_LEN];
-  tNameExtractFullName(pTableName, tbFullName);
-
-  return ctgGetTableMetaFromMnodeImpl(pCatalog, pRpc, pMgmtEps, tbFullName, output);
-}
-
 
 int32_t ctgGetTableMetaFromVnode(struct SCatalog* pCatalog, void *pRpc, const SEpSet* pMgmtEps, const SName* pTableName, SVgroupInfo *vgroupInfo, STableMetaOutput* output) {
   if (NULL == pCatalog || NULL == pRpc || NULL == pMgmtEps || NULL == pTableName || NULL == vgroupInfo || NULL == output) {
@@ -408,7 +406,6 @@ _return:
   CTG_RET(TSDB_CODE_SUCCESS);
 }
 
-
 int32_t ctgSTableVersionCompare(const void* key1, const void* key2) {
   if (((SSTableMetaVersion*)key1)->suid < ((SSTableMetaVersion*)key2)->suid) {
     return -1;
@@ -613,10 +610,6 @@ int32_t ctgUpdateTableMetaCache(struct SCatalog *pCatalog, STableMetaOutput *out
       ctgError("taosHashInit failed, num:%d", ctgMgmt.cfg.maxTblCacheNum);
       CTG_ERR_RET(TSDB_CODE_CTG_MEM_ERROR);
     }
-
-    if (NULL != atomic_val_compare_exchange_ptr(&pCatalog->tableCache.cache, NULL, cache)) {
-      taosHashCleanup(cache);
-    }
   }
 
   if (NULL == pCatalog->tableCache.stableCache) {
@@ -625,10 +618,6 @@ int32_t ctgUpdateTableMetaCache(struct SCatalog *pCatalog, STableMetaOutput *out
       ctgError("taosHashInit failed, num:%d", ctgMgmt.cfg.maxTblCacheNum);
       CTG_ERR_RET(TSDB_CODE_CTG_MEM_ERROR);
     }
-
-    if (NULL != atomic_val_compare_exchange_ptr(&pCatalog->tableCache.stableCache, NULL, cache)) {
-      taosHashCleanup(cache);
-    }
   }
 
   if (output->metaNum == 2) {
@@ -798,7 +787,6 @@ _return:
   CTG_RET(code);
 }
 
-
 int32_t ctgGetTableMeta(struct SCatalog* pCatalog, void *pRpc, const SEpSet* pMgmtEps, const SName* pTableName, bool forceUpdate, STableMeta** pTableMeta, int32_t isSTable) {
   if (NULL == pCatalog || NULL == pRpc || NULL == pMgmtEps || NULL == pTableName || NULL == pTableMeta) {
     CTG_ERR_RET(TSDB_CODE_CTG_INVALID_INPUT);
@@ -1051,10 +1039,6 @@ int32_t catalogUpdateDBVgroup(struct SCatalog* pCatalog, const char* dbName, SDB
       ctgError("taosHashInit %d failed", CTG_DEFAULT_CACHE_DB_NUMBER);
       CTG_ERR_JRET(TSDB_CODE_CTG_MEM_ERROR);
     }
-
-    if (NULL != atomic_val_compare_exchange_ptr(&pCatalog->dbCache.cache, NULL, cache)) {
-      taosHashCleanup(cache);
-    }
   } else {
     CTG_ERR_JRET(ctgValidateAndRemoveDb(pCatalog, dbName, dbInfo));
   }
@@ -1100,7 +1084,22 @@ int32_t catalogRenewTableMeta(struct SCatalog* pCatalog, void *pTransporter, con
     CTG_ERR_RET(TSDB_CODE_CTG_INVALID_INPUT);
   }
 
-  return ctgRenewTableMetaImpl(pCatalog, pTransporter, pMgmtEps, pTableName, isSTable);
+  SVgroupInfo vgroupInfo = {0};
+  int32_t code = 0;
+
+  CTG_ERR_RET(catalogGetTableHashVgroup(pCatalog, pTransporter, pMgmtEps, pTableName, &vgroupInfo));
+
+  STableMetaOutput output = {0};
+  
+  CTG_ERR_RET(ctgGetTableMetaFromVnode(pCatalog, pTransporter, pMgmtEps, pTableName, &vgroupInfo, &output));
+
+  //CTG_ERR_RET(ctgGetTableMetaFromMnode(pCatalog, pRpc, pMgmtEps, pTableName, &output));
+
+  CTG_ERR_JRET(ctgUpdateTableMetaCache(pCatalog, &output));
+
+_return:
+  tfree(output.tbMeta);
+  CTG_RET(code);
 }
 
 int32_t catalogRenewAndGetTableMeta(struct SCatalog* pCatalog, void *pTransporter, const SEpSet* pMgmtEps, const SName* pTableName, STableMeta** pTableMeta, int32_t isSTable) {
diff --git a/source/libs/catalog/test/catalogTests.cpp b/source/libs/catalog/test/catalogTests.cpp
index 4adc4e95f0..5cba98c8d5 100644
--- a/source/libs/catalog/test/catalogTests.cpp
+++ b/source/libs/catalog/test/catalogTests.cpp
@@ -48,7 +48,6 @@ bool ctgTestEnableSleep = false;
 bool ctgTestDeadLoop = false;
 int32_t ctgTestPrintNum = 200000;
 
-
 int32_t ctgTestCurrentVgVersion = 0;
 int32_t ctgTestVgVersion = 1;
 int32_t ctgTestVgNum = 10;
@@ -602,6 +601,7 @@ void *ctgTestSetCtableMetaThread(void *param) {
 
 }
 
+#if 0
 
 TEST(tableMeta, normalTable) {
   struct SCatalog* pCtg = NULL;
@@ -841,7 +841,7 @@ TEST(tableMeta, superTableCase) {
   ASSERT_EQ(tableMeta->tableInfo.rowSize, 12);
 
   tableMeta = NULL;
-  code = catalogRenewAndGetTableMeta(pCtg, mockPointer, (const SEpSet *)mockPointer, &n, &tableMeta, 0);
+  code = catalogRenewAndGetTableMeta(pCtg, mockPointer, (const SEpSet *)mockPointer, &n, &tableMeta);
   ASSERT_EQ(code, 0);
   ASSERT_EQ(tableMeta->vgId, 9);
   ASSERT_EQ(tableMeta->tableType, TSDB_CHILD_TABLE);
diff --git a/source/libs/index/src/index_cache.c b/source/libs/index/src/index_cache.c
index d43c9f9cce..85e4c98276 100644
--- a/source/libs/index/src/index_cache.c
+++ b/source/libs/index/src/index_cache.c
@@ -27,9 +27,9 @@
 static void indexMemRef(MemTable* tbl);
 static void indexMemUnRef(MemTable* tbl);
 
-static void    cacheTermDestroy(CacheTerm* ct);
-static char*   getIndexKey(const void* pData);
-static int32_t compareKey(const void* l, const void* r);
+static void    indexCacheTermDestroy(CacheTerm* ct);
+static int32_t indexCacheTermCompare(const void* l, const void* r);
+static char*   indexCacheTermGet(const void* pData);
 
 static MemTable* indexInternalCacheCreate(int8_t type);
 
@@ -243,7 +243,7 @@ int indexCacheDel(void* cache, const char* fieldValue, int32_t fvlen, uint64_t u
 
 static int indexQueryMem(MemTable* mem, CacheTerm* ct, EIndexQueryType qtype, SArray* result, STermValueType* s) {
   if (mem == NULL) { return 0; }
-  char* key = getIndexKey(ct);
+  char* key = indexCacheTermGet(ct);
 
   SSkipListIterator* iter = tSkipListCreateIterFromVal(mem->mem, key, TSDB_DATA_TYPE_BINARY, TSDB_ORDER_ASC);
   while (tSkipListIterNext(iter)) {
@@ -321,17 +321,16 @@ void indexMemUnRef(MemTable* tbl) {
   }
 }
 
-static void cacheTermDestroy(CacheTerm* ct) {
+static void indexCacheTermDestroy(CacheTerm* ct) {
   if (ct == NULL) { return; }
   free(ct->colVal);
   free(ct);
 }
-static char* getIndexKey(const void* pData) {
+static char* indexCacheTermGet(const void* pData) {
   CacheTerm* p = (CacheTerm*)pData;
   return (char*)p;
 }
-
-static int32_t compareKey(const void* l, const void* r) {
+static int32_t indexCacheTermCompare(const void* l, const void* r) {
   CacheTerm* lt = (CacheTerm*)l;
   CacheTerm* rt = (CacheTerm*)r;
 
@@ -345,7 +344,8 @@ static MemTable* indexInternalCacheCreate(int8_t type) {
   MemTable* tbl = calloc(1, sizeof(MemTable));
   indexMemRef(tbl);
   if (type == TSDB_DATA_TYPE_BINARY || type == TSDB_DATA_TYPE_NCHAR) {
-    tbl->mem = tSkipListCreate(MAX_SKIP_LIST_LEVEL, type, MAX_INDEX_KEY_LEN, compareKey, SL_ALLOW_DUP_KEY, getIndexKey);
+    tbl->mem = tSkipListCreate(MAX_SKIP_LIST_LEVEL, type, MAX_INDEX_KEY_LEN, indexCacheTermCompare, SL_ALLOW_DUP_KEY,
+                               indexCacheTermGet);
   }
   return tbl;
 }
@@ -375,4 +375,7 @@ static bool indexCacheIteratorNext(Iterate* itera) {
   return next;
 }
 
-static IterateValue* indexCacheIteratorGetValue(Iterate* iter) { return &iter->val; }
+static IterateValue* indexCacheIteratorGetValue(Iterate* iter) {
+  // opt later
+  return &iter->val;
+}
diff --git a/source/libs/index/src/index_fst_counting_writer.c b/source/libs/index/src/index_fst_counting_writer.c
index 2b64d65e46..260c1708cb 100644
--- a/source/libs/index/src/index_fst_counting_writer.c
+++ b/source/libs/index/src/index_fst_counting_writer.c
@@ -125,6 +125,7 @@ void writerCtxDestroy(WriterCtx* ctx, bool remove) {
   if (ctx->type == TMemory) {
     free(ctx->mem.buf);
   } else {
+    ctx->flush(ctx);
     tfClose(ctx->file.fd);
     if (ctx->file.readOnly) {
 #ifdef USE_MMAP
diff --git a/source/libs/index/test/fstTest.cc b/source/libs/index/test/fstTest.cc
index 3d978c05a5..70671a5f3e 100644
--- a/source/libs/index/test/fstTest.cc
+++ b/source/libs/index/test/fstTest.cc
@@ -48,7 +48,7 @@ class FstWriter {
 
 class FstReadMemory {
  public:
-  FstReadMemory(size_t size, const std::string& fileName = fileName) {
+  FstReadMemory(size_t size, const std::string& fileName = "/tmp/tindex.tindex") {
     tfInit();
     _wc = writerCtxCreate(TFile, fileName.c_str(), true, 64 * 1024);
     _w = fstCountingWriterCreate(_wc);
@@ -307,7 +307,7 @@ void validateTFile(char* arg) {
   tfCleanup();
 }
 int main(int argc, char* argv[]) {
-  // tool to check all kind of fst test 
+  // tool to check all kind of fst test
   // if (argc > 1) { validateTFile(argv[1]); }
   // checkFstCheckIterator();
   // checkFstLongTerm();
diff --git a/source/libs/scheduler/inc/schedulerInt.h b/source/libs/scheduler/inc/schedulerInt.h
index 7828eb0f5d..779a264699 100644
--- a/source/libs/scheduler/inc/schedulerInt.h
+++ b/source/libs/scheduler/inc/schedulerInt.h
@@ -115,9 +115,8 @@ typedef struct SSchJob {
 #define SCH_IS_DATA_SRC_TASK(task) ((task)->plan->type == QUERY_TYPE_SCAN)
 #define SCH_TASK_NEED_WAIT_ALL(task) ((task)->plan->type == QUERY_TYPE_MODIFY)
 
-#define SCH_JOB_ELOG(param, ...) qError("QID:% "PRIx64 param, job->queryId, __VA_ARGS__)
-#define SCH_TASK_ELOG(param, ...) qError("QID:%"PRIx64",TID:% "PRIx64 param, job->queryId, task->taskId, __VA_ARGS__)
-#define SCH_TASK_DLOG(param, ...) qDebug("QID:%"PRIx64",TID:% "PRIx64 param, job->queryId, task->taskId, __VA_ARGS__)
+#define SCH_JOB_ERR_LOG(param, ...) qError("QID:%"PRIx64 param, job->queryId, __VA_ARGS__)
+#define SCH_TASK_ERR_LOG(param, ...) qError("QID:%"PRIx64",TID:%"PRIx64 param, job->queryId, task->taskId, __VA_ARGS__)
 
 #define SCH_ERR_RET(c) do { int32_t _code = c; if (_code != TSDB_CODE_SUCCESS) { terrno = _code; return _code; } } while (0)
 #define SCH_RET(c) do { int32_t _code = c; if (_code != TSDB_CODE_SUCCESS) { terrno = _code; } return _code; } while (0)
diff --git a/source/libs/scheduler/src/scheduler.c b/source/libs/scheduler/src/scheduler.c
index 4217dc6966..e959f9c94b 100644
--- a/source/libs/scheduler/src/scheduler.c
+++ b/source/libs/scheduler/src/scheduler.c
@@ -280,8 +280,6 @@ int32_t schPushTaskToExecList(SSchJob *job, SSchTask *task) {
     SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
   }
 
-  SCH_TASK_DLOG("push to %s list", "execTasks");
-
   return TSDB_CODE_SUCCESS;
 }
 
@@ -296,8 +294,6 @@ int32_t schMoveTaskToSuccList(SSchJob *job, SSchTask *task, bool *moved) {
     SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
   }
 
-  SCH_TASK_DLOG("push to %s list", "succTasks");
-
   *moved = true;
   
   return TSDB_CODE_SUCCESS;
@@ -313,8 +309,6 @@ int32_t schMoveTaskToFailList(SSchJob *job, SSchTask *task, bool *moved) {
     SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
   }
 
-  SCH_TASK_DLOG("push to %s list", "failTasks");
-
   *moved = true;
   
   return TSDB_CODE_SUCCESS;
@@ -389,7 +383,7 @@ int32_t schProcessOnTaskSuccess(SSchJob *job, SSchTask *task) {
   
   SCH_ERR_RET(schMoveTaskToSuccList(job, task, &moved));
   if (!moved) {
-    SCH_TASK_ELOG("task may already moved, status:%d", task->status);
+    SCH_TASK_ERR_LOG(" task may already moved, status:%d", task->status);
     return TSDB_CODE_SUCCESS;
   }
 
@@ -463,11 +457,11 @@ int32_t schProcessOnTaskFailure(SSchJob *job, SSchTask *task, int32_t errCode) {
   SCH_ERR_RET(schTaskCheckAndSetRetry(job, task, errCode, &needRetry));
   
   if (!needRetry) {
-    SCH_TASK_ELOG("task failed[%x], no more retry", errCode);
+    SCH_TASK_ERR_LOG("task failed[%x], no more retry", errCode);
 
     SCH_ERR_RET(schMoveTaskToFailList(job, task, &moved));
     if (!moved) {
-      SCH_TASK_ELOG("task may already moved, status:%d", task->status);
+      SCH_TASK_ERR_LOG("task may already moved, status:%d", task->status);
     }    
     
     if (SCH_TASK_NEED_WAIT_ALL(task)) {
@@ -506,6 +500,7 @@ int32_t schProcessRspMsg(SSchJob *job, SSchTask *task, int32_t msgType, char *ms
           goto _task_error;
         }
       }
+
       break;
     }
     case TDMT_VND_SUBMIT_RSP: {
@@ -584,25 +579,19 @@ int32_t schHandleCallback(void* param, const SDataBuf* pMsg, int32_t msgType, in
   int32_t code = 0;
   SSchCallbackParam *pParam = (SSchCallbackParam *)param;
   
-  SSchJob **pjob = taosHashGet(schMgmt.jobs, &pParam->queryId, sizeof(pParam->queryId));
-  if (NULL == pjob || NULL == (*pjob)) {
+  SSchJob **job = taosHashGet(schMgmt.jobs, &pParam->queryId, sizeof(pParam->queryId));
+  if (NULL == job || NULL == (*job)) {
     qError("taosHashGet queryId:%"PRIx64" not exist", pParam->queryId);
     SCH_ERR_JRET(TSDB_CODE_SCH_INTERNAL_ERROR);
   }
 
-  SSchJob *job = *pjob;
-
-  SSchTask **ptask = taosHashGet(job->execTasks, &pParam->taskId, sizeof(pParam->taskId));
-  if (NULL == ptask || NULL == (*ptask)) {
+  SSchTask **task = taosHashGet((*job)->execTasks, &pParam->taskId, sizeof(pParam->taskId));
+  if (NULL == task || NULL == (*task)) {
     qError("taosHashGet taskId:%"PRIx64" not exist", pParam->taskId);
     SCH_ERR_JRET(TSDB_CODE_SCH_INTERNAL_ERROR);
   }
-
-  SSchTask *task = *ptask;
-
-  SCH_TASK_DLOG("Got msg:%d, rspCode:%d", msgType, rspCode);
   
-  schProcessRspMsg(job, task, msgType, pMsg->pData, pMsg->len, rspCode);
+  schProcessRspMsg(*job, *task, msgType, pMsg->pData, pMsg->len, rspCode);
 
 _return:
   tfree(param);
@@ -832,7 +821,7 @@ int32_t schLaunchTask(SSchJob *job, SSchTask *task) {
   SCH_ERR_RET(schSetTaskCondidateAddrs(job, task));
 
   if (NULL == task->condidateAddrs || taosArrayGetSize(task->condidateAddrs) <= 0) {
-    SCH_TASK_ELOG("no valid condidate node for task:%"PRIx64, task->taskId);
+    SCH_TASK_ERR_LOG("no valid condidate node for task:%"PRIx64, task->taskId);
     SCH_ERR_RET(TSDB_CODE_SCH_INTERNAL_ERROR);
   }