diff --git a/src/util/inc/tlist.h b/src/util/inc/tlist.h
index 2ea536ea3e90bbc60d94a91eee7917acedad1e8b..9e4dfe45801ed448e6c55a6e69c87b22e9e77b88 100644
--- a/src/util/inc/tlist.h
+++ b/src/util/inc/tlist.h
@@ -56,6 +56,7 @@ int        tdListAppend(SList *list, void *data);
 SListNode *tdListPopHead(SList *list);
 SListNode *tdListPopTail(SList *list);
 SListNode *tdListPopNode(SList *list, SListNode *node);
+void       tdListMove(SList *src, SList *dst);
 
 void       tdListNodeGetData(SList *list, SListNode *node, void *target);
 void       tdListInitIter(SList *list, SListIter *pIter, TD_LIST_DIRECTION_T direction);
diff --git a/src/util/src/tlist.c b/src/util/src/tlist.c
index 8844a5f787c1923310ac71a30cc39594ed7f04f8..badcb7802f510b2978abace6b21a1098e1cdc44d 100644
--- a/src/util/src/tlist.c
+++ b/src/util/src/tlist.c
@@ -135,6 +135,16 @@ SListNode *tdListPopNode(SList *list, SListNode *node) {
   return node;
 }
 
+// Move all node elements from src to dst, the dst is assumed as an empty list
+void tdListMove(SList *src, SList *dst) {
+  // assert(dst->eleSize == src->eleSize);
+  dst->numOfEles = src->numOfEles;
+  dst->head = src->head;
+  dst->tail = src->tail;
+  src->numOfEles = 0;
+  src->head = src->tail = NULL;
+}
+
 void tdListNodeGetData(SList *list, SListNode *node, void *target) { memcpy(target, node->data, list->eleSize); }
 
 void tdListInitIter(SList *list, SListIter *pIter, TD_LIST_DIRECTION_T direction) {
diff --git a/src/vnode/tsdb/src/tsdbMain.c b/src/vnode/tsdb/src/tsdbMain.c
index 34fca7e428e051be33d855af21949f0618b5aac1..ed95eac5bc9fc8c41b78fb2944932d4909415ab2 100644
--- a/src/vnode/tsdb/src/tsdbMain.c
+++ b/src/vnode/tsdb/src/tsdbMain.c
@@ -308,9 +308,23 @@ int32_t tsdbTriggerCommit(tsdb_repo_t *repo) {
   if (pthread_mutex_lock(&(pRepo->mutex)) < 0) return -1;
   if (pRepo->commit) return 0;
   pRepo->commit = 1;
+  // Loop to move pData to iData
+  for (int i = 0; i < pRepo->config.maxTables; i++) {
+    STable *pTable = pRepo->tsdbMeta->tables[i];
+    if (pTable != NULL) {
+      void *pData = pTable->content.pData;
+      pTable->content.pData = NULL;
+      pTable->iData = pData;
+    }
+  }
+  // Loop to move mem to imem
+  tdListMove(pRepo->tsdbCache->mem, pRepo->tsdbCache->imem);
+
   pthread_create(&(pRepo->commitThread), NULL, tsdbCommitToFile, (void *)repo);
   pthread_mutex_unlock(&(pRepo->mutex));
 
+  pthread_join(pRepo->commitThread, NULL);
+
   return 0;
 }
 
@@ -692,7 +706,20 @@ static int32_t tsdbInsertDataToTable(tsdb_repo_t *repo, SSubmitBlk *pBlock) {
 }
 
 static void *tsdbCommitToFile(void *arg) {
-  STsdbRepo *pRepo = (STsdbRepo *)arg;
   // TODO
+  STsdbRepo *pRepo = (STsdbRepo *)arg;
+  STsdbMeta *pMeta = pRepo->tsdbMeta;
+  for (int i = 0; i < pRepo->config.maxTables; i++) {
+    STable *pTable = pMeta->tables[i];
+    if (pTable == NULL) continue;
+    SSkipListIterator *pIter = tSkipListCreateIter(pTable->iData);
+    while (tSkipListIterNext(pIter)) {
+      SSkipListNode *node = tSkipListIterGet(pIter);
+      SDataRow row = SL_GET_NODE_DATA(node);
+      int k = 0;
+
+    }
+  }
+
   return NULL;
 }
\ No newline at end of file
diff --git a/src/vnode/tsdb/tests/tsdbTests.cpp b/src/vnode/tsdb/tests/tsdbTests.cpp
index ed6a3bfcbb1645d1931b3e056e8a424b840f9725..9392ca5963bb744afa25701fc69d6b5195959f8c 100644
--- a/src/vnode/tsdb/tests/tsdbTests.cpp
+++ b/src/vnode/tsdb/tests/tsdbTests.cpp
@@ -101,7 +101,8 @@ TEST(TsdbTest, createRepo) {
 
   tsdbInsertData(pRepo, pMsg);
 
-  int k = 0;
+  tsdbTriggerCommit(pRepo);
+
 }
 
 TEST(TsdbTest, openRepo) {