diff --git a/include/common/tdataformat.h b/include/common/tdataformat.h
index c327b64fdb..f9fc65f688 100644
--- a/include/common/tdataformat.h
+++ b/include/common/tdataformat.h
@@ -177,6 +177,11 @@ struct SColData {
   uint8_t *pData;
 };
 
+struct SColDataBatch {
+  uint8_t   flags;
+  SColData *aColData[];
+};
+
 #if 1  //================================================================================================================================================
 // Imported since 3.0 and use bitmap to demonstrate None/Null/Norm, while use Null/Norm below 3.0 without of bitmap.
 #define TD_SUPPORT_BITMAP
diff --git a/source/dnode/vnode/src/inc/tsdb.h b/source/dnode/vnode/src/inc/tsdb.h
index b98568d75b..5da718b2c2 100644
--- a/source/dnode/vnode/src/inc/tsdb.h
+++ b/source/dnode/vnode/src/inc/tsdb.h
@@ -46,6 +46,7 @@ typedef struct SMergeInfo   SMergeInfo;
 typedef struct STable       STable;
 typedef struct SOffset      SOffset;
 typedef struct SMapData     SMapData;
+typedef struct SVDataCols   SVDataCols;
 
 // tsdbMemTable ==============================================================================================
 
@@ -127,18 +128,18 @@ typedef struct SDFileSetReader SDFileSetReader;
 typedef struct SDFileSetWriter SDFileSetWriter;
 
 // SDFileSetWriter
-int32_t tsdbDFileSetWriterOpen(SDFileSetWriter *pWriter, STsdb *pTsdb, SDFileSet *pSet);
-int32_t tsdbDFileSetWriterClose(SDFileSetWriter *pWriter, int8_t sync);
-int32_t tsdbWriteBlockData(SDFileSetWriter *pWriter, SDataCols *pDataCols, SBlock *pBlock);
-int32_t tsdbWriteSBlockInfo(SDFileSetWriter *pWriter, SBlockInfo *pBlockInfo, SBlockIdx *pBlockIdx);
-int32_t tsdbWriteSBlockIdx(SDFileSetWriter *pWriter, SBlockIdx *pBlockIdx);
+// int32_t tsdbDFileSetWriterOpen(SDFileSetWriter *pWriter, STsdb *pTsdb, SDFileSet *pSet);
+// int32_t tsdbDFileSetWriterClose(SDFileSetWriter *pWriter, int8_t sync);
+// int32_t tsdbWriteBlockData(SDFileSetWriter *pWriter, SDataCols *pDataCols, SBlock *pBlock);
+// int32_t tsdbWriteSBlockInfo(SDFileSetWriter *pWriter, SBlockInfo *pBlockInfo, SBlockIdx *pBlockIdx);
+// int32_t tsdbWriteSBlockIdx(SDFileSetWriter *pWriter, SBlockIdx *pBlockIdx);
 
 // SDFileSetReader
-int32_t tsdbDFileSetReaderOpen(SDFileSetReader *pReader, STsdb *pTsdb, SDFileSet *pSet);
-int32_t tsdbDFileSetReaderClose(SDFileSetReader *pReader);
-int32_t tsdbLoadSBlockIdx(SDFileSetReader *pReader, SArray *pArray);
-int32_t tsdbLoadSBlockInfo(SDFileSetReader *pReader, SBlockIdx *pBlockIdx, SBlockInfo *pBlockInfo);
-int32_t tsdbLoadSBlockStatis(SDFileSetReader *pReader, SBlock *pBlock, SBlockStatis *pBlockStatis);
+// int32_t tsdbDFileSetReaderOpen(SDFileSetReader *pReader, STsdb *pTsdb, SDFileSet *pSet);
+// int32_t tsdbDFileSetReaderClose(SDFileSetReader *pReader);
+// int32_t tsdbLoadSBlockIdx(SDFileSetReader *pReader, SArray *pArray);
+// int32_t tsdbLoadSBlockInfo(SDFileSetReader *pReader, SBlockIdx *pBlockIdx, SBlockInfo *pBlockInfo);
+// int32_t tsdbLoadSBlockStatis(SDFileSetReader *pReader, SBlock *pBlock, SBlockStatis *pBlockStatis);
 
 // SDelFWriter
 
@@ -306,13 +307,24 @@ struct SBlockItem {
   int64_t maxVersion;
 };
 
+struct SBlockInfo {
+  uint8_t flags;
+  int32_t nCols;
+  int64_t offset;
+  int64_t size;
+  int32_t nSmaCols;
+  int64_t smaOffset;
+  int64_t smaSize;
+};
+
 struct SBlock {
-  uint32_t delimiter;
-  int64_t  suid;
-  int64_t  uid;
-  SOffset  offset;
-  uint32_t nData;
-  uint8_t *pData;
+  TSDBKEY    minKey;
+  TSDBKEY    maxKey;
+  int64_t    minVersion;
+  int64_t    maxVersion;
+  int32_t    nRows;
+  int8_t     nBlockInfo;
+  SBlockInfo blockInfos[];
 };
 
 struct SBlockCol {
@@ -436,6 +448,11 @@ struct SMapData {
   uint8_t *pData;
 };
 
+struct SVDataCols {
+  int64_t  *aVersion;
+  SDataCols dataCols;
+};
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/dnode/vnode/src/tsdb/tsdbCommit.c b/source/dnode/vnode/src/tsdb/tsdbCommit.c
index 7e5cd6cf95..1655f222ac 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCommit.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCommit.c
@@ -37,9 +37,11 @@ struct SCommitter {
   SMapData         oBlockIdx;
   SMapData         nBlockIdx;
   // commit table data
-  SBlockIdx *pBlockIdx;
-  SMapData   oBlock;
-  SMapData   nBlock;
+  SBlockIdx    *pBlockIdx;
+  SMapData      oBlock;
+  SMapData      nBlock;
+  SColDataBatch oBatch;
+  SColDataBatch nBatch;
   /* commit del */
   SDelFReader *pDelFReader;
   SDelFWriter *pDelFWriter;