diff --git a/source/dnode/vnode/src/inc/tsdb.h b/source/dnode/vnode/src/inc/tsdb.h
index 2e6cb4c406e513f360f59003c0f7bd6ecf910a78..d33b8b00bf1a4e43523ff950bf70b386a171219e 100644
--- a/source/dnode/vnode/src/inc/tsdb.h
+++ b/source/dnode/vnode/src/inc/tsdb.h
@@ -370,12 +370,12 @@ struct STsdb {
   TdThreadRwlock       rwLock;
   SMemTable           *mem;
   SMemTable           *imem;
-  STsdbFS              fs;
+  STsdbFS              fs;  // old
   SLRUCache           *lruCache;
   TdThreadMutex        lruMutex;
   SLRUCache           *biCache;
   TdThreadMutex        biMutex;
-  struct STFileSystem *pFS;
+  struct STFileSystem *pFS;  // new
   SRocksCache          rCache;
 };
 
diff --git a/source/dnode/vnode/src/tsdb/tsdbCommit2.c b/source/dnode/vnode/src/tsdb/tsdbCommit2.c
index db7abf443c111ac2efba988efb442733c0f5b81f..e316a79d92e6e293bfbe5eb80231cb5e148d3485 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCommit2.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCommit2.c
@@ -122,6 +122,14 @@ static int32_t tsdbCommitTSData(SCommitter2 *committer) {
       committer->ctx->tbid->uid = row->uid;
     }
 
+    int64_t ts = TSDBROW_TS(&row->row);
+    if (ts > committer->ctx->maxKey) {
+      committer->ctx->nextKey = TMIN(committer->ctx->nextKey, ts);
+      code = tsdbIterMergerSkipTableData(committer->dataIterMerger, (TABLEID *)row);
+      TSDB_CHECK_CODE(code, lino, _exit);
+      continue;
+    }
+
     code = tsdbFSetWriteRow(committer->writer, row);
     TSDB_CHECK_CODE(code, lino, _exit);
 
diff --git a/source/dnode/vnode/src/tsdb/tsdbSttFileRW.h b/source/dnode/vnode/src/tsdb/tsdbSttFileRW.h
index b26d2f743ae76f698ee9061d5bc5f35af4cb3a7f..bc9b784e16a239ff3c9b9e6250662730b8237a8b 100644
--- a/source/dnode/vnode/src/tsdb/tsdbSttFileRW.h
+++ b/source/dnode/vnode/src/tsdb/tsdbSttFileRW.h
@@ -25,7 +25,6 @@ extern "C" {
 
 typedef TARRAY2(SSttBlk) TSttBlkArray;
 typedef TARRAY2(SStatisBlk) TStatisBlkArray;
-typedef TARRAY2(STombBlk) TTombBlkArray;
 
 // SSttFileReader ==========================================
 typedef struct SSttFileReader       SSttFileReader;
diff --git a/source/dnode/vnode/src/tsdb/tsdbUpgrade.c b/source/dnode/vnode/src/tsdb/tsdbUpgrade.c
index 22be8de23aef5f5b6f520b9e38e0ba92d52d5dba..e348e60e74fd52dc6cca56a6a03478b187f880ac 100644
--- a/source/dnode/vnode/src/tsdb/tsdbUpgrade.c
+++ b/source/dnode/vnode/src/tsdb/tsdbUpgrade.c
@@ -123,13 +123,130 @@ _exit:
   return code;
 }
 
+static int32_t tsdbDumpTombDataToFSet(STsdb *tsdb, SDelFReader *reader, SArray *aDelIdx, STFileSet *fset) {
+  int32_t code = 0;
+  int32_t lino = 0;
+
+  SArray       *aDelData = NULL;
+  int64_t       minKey, maxKey;
+  STombBlock    tombBlock[1] = {0};
+  TTombBlkArray tombBlkArray[1] = {0};
+  STsdbFD      *fd = NULL;
+
+  tsdbFidKeyRange(fset->fid, tsdb->keepCfg.days, tsdb->keepCfg.precision, &minKey, &maxKey);
+
+  if ((aDelData = taosArrayInit(0, sizeof(SDelData))) == NULL) {
+    code = TSDB_CODE_OUT_OF_MEMORY;
+    TSDB_CHECK_CODE(code, lino, _exit);
+  }
+
+  for (int32_t i = 0; i < taosArrayGetSize(aDelIdx); ++i) {
+    SDelIdx *pDelIdx = taosArrayGet(aDelIdx, i);
+
+    code = tsdbReadDelData(reader, pDelIdx, aDelData);
+    TSDB_CHECK_CODE(code, lino, _exit);
+
+    for (int32_t j = 0; j < taosArrayGetSize(aDelData); ++j) {
+      SDelData *pDelData = taosArrayGet(aDelData, j);
+
+      if (pDelData->sKey > maxKey || pDelData->eKey < minKey) {
+        continue;
+      }
+
+      STombRecord record = {
+          .suid = pDelIdx->suid,
+          .uid = pDelIdx->uid,
+          .version = pDelData->version,
+          .skey = pDelData->sKey,
+          .ekey = pDelData->eKey,
+      };
+
+      code = tTombBlockPut(tombBlock, &record);
+      TSDB_CHECK_CODE(code, lino, _exit);
+
+      if (TOMB_BLOCK_SIZE(tombBlock) >= tsdb->pVnode->config.tsdbCfg.maxRows) {
+        if (fd == NULL) {
+          STFile file = {
+              .type = TSDB_FTYPE_TOMB,
+              .did = {0},  // TODO
+              .fid = fset->fid,
+              .cid = 0,  // TODO
+          };
+
+          code = tsdbTFileObjInit(tsdb, &file, &fset->farr[TSDB_FTYPE_TOMB]);
+          TSDB_CHECK_CODE(code, lino, _exit);
+
+          code = tsdbOpenFile(fset->farr[TSDB_FTYPE_TOMB]->fname, tsdb->pVnode->config.tsdbPageSize,
+                              TD_FILE_READ | TD_FILE_WRITE | TD_FILE_CREATE | TD_FILE_TRUNC, &fd);
+          TSDB_CHECK_CODE(code, lino, _exit);
+
+          uint8_t hdr[TSDB_FHDR_SIZE] = {0};
+          code = tsdbWriteFile(fd, 0, hdr, TSDB_FHDR_SIZE);
+          TSDB_CHECK_CODE(code, lino, _exit);
+          fset->farr[TSDB_FTYPE_TOMB]->f->size += sizeof(hdr);
+        }
+
+        // TODO
+        tTombBlockClear(tombBlock);
+      }
+    }
+  }
+
+  if (TOMB_BLOCK_SIZE(tombBlock) > 0) {
+    // TODO
+    tTombBlockClear(tombBlock);
+  }
+
+  if (TARRAY2_SIZE(tombBlkArray) > 0) {
+    // TODO
+  }
+
+  if (fd) {
+    code = tsdbFsyncFile(fd);
+    TSDB_CHECK_CODE(code, lino, _exit);
+
+    tsdbCloseFile(&fd);
+  }
+  TARRAY2_DESTROY(tombBlkArray, NULL);
+  tTombBlockDestroy(tombBlock);
+  taosArrayDestroy(aDelData);
+
+_exit:
+  if (code) {
+    TSDB_ERROR_LOG(TD_VID(tsdb->pVnode), lino, code);
+  }
+  return code;
+}
+
 static int32_t tsdbUpgradeTombFile(STsdb *tsdb, SDelFile *pDelFile, TFileSetArray *fileSetArray) {
   int32_t code = 0;
   int32_t lino = 0;
 
-  //   TODO
+  SDelFReader *reader = NULL;
+  SArray      *aDelIdx = NULL;
+
+  if ((aDelIdx = taosArrayInit(0, sizeof(SDelIdx))) == NULL) {
+    code = TSDB_CODE_OUT_OF_MEMORY;
+    TSDB_CHECK_CODE(code, lino, _exit);
+  }
+
+  code = tsdbDelFReaderOpen(&reader, pDelFile, tsdb);
+  TSDB_CHECK_CODE(code, lino, _exit);
+
+  code = tsdbReadDelIdx(reader, aDelIdx);
+  TSDB_CHECK_CODE(code, lino, _exit);
+
+  if (taosArrayGetSize(aDelIdx) > 0) {
+    STFileSet *fset;
+    TARRAY2_FOREACH(fileSetArray, fset) {
+      code = tsdbDumpTombDataToFSet(tsdb, reader, aDelIdx, fset);
+      TSDB_CHECK_CODE(code, lino, _exit);
+    }
+  }
+
+  tsdbDelFReaderClose(&reader);
+  taosArrayDestroy(aDelIdx);
 
-  ASSERT(0);
 _exit:
   if (code) {
     TSDB_ERROR_LOG(TD_VID(tsdb->pVnode), lino, code);
@@ -166,9 +283,11 @@ static int32_t tsdbDoUpgradeFileSystem(STsdb *tsdb, int8_t rollback) {
   char fname[TSDB_FILENAME_LEN];
   current_fname(tsdb, fname, TSDB_FCURRENT);
 
-  code = save_fs(fileSetArray, NULL);
+  code = save_fs(fileSetArray, fname);
   TSDB_CHECK_CODE(code, lino, _exit);
 
+  TARRAY2_DESTROY(fileSetArray, tsdbTFileSetClear);
+
 _exit:
   if (code) {
     TSDB_ERROR_LOG(TD_VID(tsdb->pVnode), lino, code);
diff --git a/source/dnode/vnode/src/tsdb/tsdbUtil2.h b/source/dnode/vnode/src/tsdb/tsdbUtil2.h
index 69226477bab1e327f08669a159f0e507d86b94e3..87a98203b265efbf11cce382610d9157ef70eca0 100644
--- a/source/dnode/vnode/src/tsdb/tsdbUtil2.h
+++ b/source/dnode/vnode/src/tsdb/tsdbUtil2.h
@@ -58,6 +58,8 @@ typedef struct {
   int8_t    rsvd[7];
 } STombBlk;
 
+typedef TARRAY2(STombBlk) TTombBlkArray;
+
 #define TOMB_BLOCK_SIZE(db) TARRAY2_SIZE((db)->suid)
 
 int32_t tTombBlockInit(STombBlock *tombBlock);