diff --git a/source/dnode/vnode/tsdb2/inc/tsdbBuffer.h b/source/dnode/vnode/tsdb2/inc/tsdbBuffer.h
index 24c369432b..869ff5c9ca 100644
--- a/source/dnode/vnode/tsdb2/inc/tsdbBuffer.h
+++ b/source/dnode/vnode/tsdb2/inc/tsdbBuffer.h
@@ -13,39 +13,39 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef _TD_TSDB_BUFFER_H_
-#define _TD_TSDB_BUFFER_H_
+// #ifndef _TD_TSDB_BUFFER_H_
+// #define _TD_TSDB_BUFFER_H_
 
-typedef struct {
-  int64_t blockId;
-  int     offset;
-  int     remain;
-  char    data[];
-} STsdbBufBlock;
+// typedef struct {
+//   int64_t blockId;
+//   int     offset;
+//   int     remain;
+//   char    data[];
+// } STsdbBufBlock;
 
-typedef struct {
-  pthread_cond_t poolNotEmpty;
-  int            bufBlockSize;
-  int            tBufBlocks;
-  int            nBufBlocks;
-  int            nRecycleBlocks;
-  int            nElasticBlocks;
-  int64_t        index;
-  SList*         bufBlockList;  
-} STsdbBufPool;
+// typedef struct {
+//   pthread_cond_t poolNotEmpty;
+//   int            bufBlockSize;
+//   int            tBufBlocks;
+//   int            nBufBlocks;
+//   int            nRecycleBlocks;
+//   int            nElasticBlocks;
+//   int64_t        index;
+//   SList*         bufBlockList;  
+// } STsdbBufPool;
 
-#define TSDB_BUFFER_RESERVE 1024  // Reseve 1K as commit threshold
+// #define TSDB_BUFFER_RESERVE 1024  // Reseve 1K as commit threshold
 
-STsdbBufPool* tsdbNewBufPool();
-void          tsdbFreeBufPool(STsdbBufPool* pBufPool);
-int           tsdbOpenBufPool(STsdb* pRepo);
-void          tsdbCloseBufPool(STsdb* pRepo);
-SListNode*    tsdbAllocBufBlockFromPool(STsdb* pRepo);
-int           tsdbExpandPool(STsdb* pRepo, int32_t oldTotalBlocks);
-void          tsdbRecycleBufferBlock(STsdbBufPool* pPool, SListNode *pNode, bool bELastic);
+// STsdbBufPool* tsdbNewBufPool();
+// void          tsdbFreeBufPool(STsdbBufPool* pBufPool);
+// int           tsdbOpenBufPool(STsdb* pRepo);
+// void          tsdbCloseBufPool(STsdb* pRepo);
+// SListNode*    tsdbAllocBufBlockFromPool(STsdb* pRepo);
+// int           tsdbExpandPool(STsdb* pRepo, int32_t oldTotalBlocks);
+// void          tsdbRecycleBufferBlock(STsdbBufPool* pPool, SListNode *pNode, bool bELastic);
 
-// health cite
-STsdbBufBlock *tsdbNewBufBlock(int bufBlockSize);
-void tsdbFreeBufBlock(STsdbBufBlock *pBufBlock);
+// // health cite
+// STsdbBufBlock *tsdbNewBufBlock(int bufBlockSize);
+// void tsdbFreeBufBlock(STsdbBufBlock *pBufBlock);
 
-#endif /* _TD_TSDB_BUFFER_H_ */
+// #endif /* _TD_TSDB_BUFFER_H_ */
diff --git a/source/dnode/vnode/tsdb2/inc/tsdbint.h b/source/dnode/vnode/tsdb2/inc/tsdbint.h
index d8c6ada099..8e02412fb6 100644
--- a/source/dnode/vnode/tsdb2/inc/tsdbint.h
+++ b/source/dnode/vnode/tsdb2/inc/tsdbint.h
@@ -43,8 +43,8 @@ extern "C" {
 #include "tsdbLog.h"
 // Meta
 #include "tsdbMeta.h"
-// Buffer
-#include "tsdbBuffer.h"
+// // Buffer
+// #include "tsdbBuffer.h"
 // MemTable
 #include "tsdbMemTable.h"
 // File
@@ -74,7 +74,7 @@ struct STsdb {
   STsdbAppH       appH;
   STsdbStat       stat;
   STsdbMeta*      tsdbMeta;
-  STsdbBufPool*   pPool;
+  // STsdbBufPool*   pPool;
   SMemTable*      mem;
   SMemTable*      imem;
   STsdbFS*        fs;
@@ -105,18 +105,18 @@ int32_t    tsdbLoadLastCache(STsdb *pRepo, STable* pTable);
 void       tsdbGetRootDir(int repoid, char dirName[]);
 void       tsdbGetDataDir(int repoid, char dirName[]);
 
-static FORCE_INLINE STsdbBufBlock* tsdbGetCurrBufBlock(STsdb* pRepo) {
-  ASSERT(pRepo != NULL);
-  if (pRepo->mem == NULL) return NULL;
+// static FORCE_INLINE STsdbBufBlock* tsdbGetCurrBufBlock(STsdb* pRepo) {
+//   ASSERT(pRepo != NULL);
+//   if (pRepo->mem == NULL) return NULL;
 
-  SListNode* pNode = listTail(pRepo->mem->bufBlockList);
-  if (pNode == NULL) return NULL;
+//   SListNode* pNode = listTail(pRepo->mem->bufBlockList);
+//   if (pNode == NULL) return NULL;
 
-  STsdbBufBlock* pBufBlock = NULL;
-  tdListNodeGetData(pRepo->mem->bufBlockList, pNode, (void*)(&pBufBlock));
+//   STsdbBufBlock* pBufBlock = NULL;
+//   tdListNodeGetData(pRepo->mem->bufBlockList, pNode, (void*)(&pBufBlock));
 
-  return pBufBlock;
-}
+//   return pBufBlock;
+// }
 
 // static FORCE_INLINE int tsdbGetNextMaxTables(int tid) {
 //   ASSERT(tid >= 1 && tid <= TSDB_MAX_TABLES);
diff --git a/source/dnode/vnode/tsdb2/src/tsdbBuffer.c b/source/dnode/vnode/tsdb2/src/tsdbBuffer.c
index 62f345ac8a..396ce4181d 100644
--- a/source/dnode/vnode/tsdb2/src/tsdbBuffer.c
+++ b/source/dnode/vnode/tsdb2/src/tsdbBuffer.c
@@ -13,6 +13,8 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#if 0
+
 #include "tsdbHealth.h"
 #include "tsdbint.h"
 
@@ -210,4 +212,6 @@ void tsdbRecycleBufferBlock(STsdbBufPool *pPool, SListNode *pNode, bool bELastic
              TD_DLIST_NELES(pPool->bufBlockList));
   } else
     pPool->nBufBlocks--;
-}
\ No newline at end of file
+}
+
+#endif
\ No newline at end of file
diff --git a/source/dnode/vnode/tsdb2/src/tsdbCommit.c b/source/dnode/vnode/tsdb2/src/tsdbCommit.c
index 7603332973..149d4a698a 100644
--- a/source/dnode/vnode/tsdb2/src/tsdbCommit.c
+++ b/source/dnode/vnode/tsdb2/src/tsdbCommit.c
@@ -575,7 +575,7 @@ _err:
     // rename meta.tmp -> meta
     tsdbInfo("vgId:%d meta file rename %s -> %s", REPO_ID(pRepo), TSDB_FILE_FULL_NAME(&mf),
              TSDB_FILE_FULL_NAME(pMFile));
-    taosRename(mf.f.aname, pMFile->f.aname);
+    taosRenameFile(mf.f.aname, pMFile->f.aname);
     tstrncpy(mf.f.aname, pMFile->f.aname, TSDB_FILENAME_LEN);
     tstrncpy(mf.f.rname, pMFile->f.rname, TSDB_FILENAME_LEN);
     // update current meta file info
diff --git a/source/dnode/vnode/tsdb2/src/tsdbMain.c b/source/dnode/vnode/tsdb2/src/tsdbMain.c
index 07e79f6d9c..78a784824e 100644
--- a/source/dnode/vnode/tsdb2/src/tsdbMain.c
+++ b/source/dnode/vnode/tsdb2/src/tsdbMain.c
@@ -89,13 +89,6 @@ STsdb *tsdbOpen(STsdbCfg *pCfg, STsdbAppH *pAppH) {
     return NULL;
   }
 
-  if (tsdbOpenBufPool(pRepo) < 0) {
-    tsdbError("vgId:%d failed to open TSDB repository while opening buffer pool since %s", config.tsdbId,
-              tstrerror(terrno));
-    tsdbClose(pRepo, false);
-    return NULL;
-  }
-
   if (tsdbOpenFS(pRepo) < 0) {
     tsdbError("vgId:%d failed to open TSDB repository while opening FS since %s", config.tsdbId, tstrerror(terrno));
     tsdbClose(pRepo, false);
@@ -145,7 +138,6 @@ int tsdbClose(STsdb *repo, int toCommit) {
   pRepo->imem = NULL;
 
   tsdbCloseFS(pRepo);
-  tsdbCloseBufPool(pRepo);
   tsdbCloseMeta(pRepo);
   tsdbFreeRepo(pRepo);
   tsdbDebug("vgId:%d repository is closed", vgId);
@@ -193,19 +185,19 @@ int tsdbUnlockRepo(STsdb *pRepo) {
 //   return 0;
 // }
 
-int tsdbCheckCommit(STsdb *pRepo) {
-  ASSERT(pRepo->mem != NULL);
-  STsdbCfg *pCfg = &(pRepo->config);
+// int tsdbCheckCommit(STsdb *pRepo) {
+//   ASSERT(pRepo->mem != NULL);
+//   STsdbCfg *pCfg = &(pRepo->config);
 
-  STsdbBufBlock *pBufBlock = tsdbGetCurrBufBlock(pRepo);
-  ASSERT(pBufBlock != NULL);
-  if ((pRepo->mem->extraBuffList != NULL) ||
-      ((listNEles(pRepo->mem->bufBlockList) >= pCfg->totalBlocks / 3) && (pBufBlock->remain < TSDB_BUFFER_RESERVE))) {
-    // trigger commit
-    if (tsdbAsyncCommit(pRepo) < 0) return -1;
-  }
-  return 0;
-}
+//   STsdbBufBlock *pBufBlock = tsdbGetCurrBufBlock(pRepo);
+//   ASSERT(pBufBlock != NULL);
+//   if ((pRepo->mem->extraBuffList != NULL) ||
+//       ((listNEles(pRepo->mem->bufBlockList) >= pCfg->totalBlocks / 3) && (pBufBlock->remain < TSDB_BUFFER_RESERVE))) {
+//     // trigger commit
+//     if (tsdbAsyncCommit(pRepo) < 0) return -1;
+//   }
+//   return 0;
+// }
 
 STsdbMeta *tsdbGetMeta(STsdb *pRepo) { return pRepo->tsdbMeta; }
 
@@ -612,13 +604,6 @@ static STsdb *tsdbNewRepo(STsdbCfg *pCfg, STsdbAppH *pAppH) {
     return NULL;
   }
 
-  pRepo->pPool = tsdbNewBufPool(pCfg);
-  if (pRepo->pPool == NULL) {
-    tsdbError("vgId:%d failed to create buffer pool since %s", REPO_ID(pRepo), tstrerror(terrno));
-    tsdbFreeRepo(pRepo);
-    return NULL;
-  }
-
   pRepo->fs = tsdbNewFS(pCfg);
   if (pRepo->fs == NULL) {
     tsdbError("vgId:%d failed to TSDB file system since %s", REPO_ID(pRepo), tstrerror(terrno));
@@ -632,7 +617,6 @@ static STsdb *tsdbNewRepo(STsdbCfg *pCfg, STsdbAppH *pAppH) {
 static void tsdbFreeRepo(STsdb *pRepo) {
   if (pRepo) {
     tsdbFreeFS(pRepo->fs);
-    tsdbFreeBufPool(pRepo->pPool);
     tsdbFreeMeta(pRepo->tsdbMeta);
     tsdbFreeMergeBuf(pRepo->mergeBuf);
     // tsdbFreeMemTable(pRepo->mem);
diff --git a/source/dnode/vnode/tsdb2/src/tsdbMemTable.c b/source/dnode/vnode/tsdb2/src/tsdbMemTable.c
index 97c705fc4f..6a868258e1 100644
--- a/source/dnode/vnode/tsdb2/src/tsdbMemTable.c
+++ b/source/dnode/vnode/tsdb2/src/tsdbMemTable.c
@@ -13,6 +13,8 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#if 0
+
 #include "tdataformat.h"
 #include "tfunctional.h"
 #include "tsdbRowMergeBuf.h"
@@ -1000,3 +1002,5 @@ static int tsdbUpdateTableLatestInfo(STsdb *pRepo, STable *pTable, SMemRow row)
 
   return 0;
 }
+
+#endif
\ No newline at end of file