diff --git a/source/dnode/vnode/src/tsdb/tsdbFS2.c b/source/dnode/vnode/src/tsdb/tsdbFS2.c
index e16eee39e8..afc9b7db3a 100644
--- a/source/dnode/vnode/src/tsdb/tsdbFS2.c
+++ b/source/dnode/vnode/src/tsdb/tsdbFS2.c
@@ -18,6 +18,8 @@
 #include "vnd.h"
 #include "vndCos.h"
 
+#define BLOCK_COMMIT_FACTOR 3
+
 extern int  vnodeScheduleTask(int (*execute)(void *), void *arg);
 extern int  vnodeScheduleTaskEx(int tpid, int (*execute)(void *), void *arg);
 extern void remove_file(const char *fname);
@@ -882,7 +884,7 @@ int32_t tsdbFSEditCommit(STFileSystem *fs) {
         schedMerge = true;
       }
 
-      if (numFile >= sttTrigger * 2) {
+      if (numFile >= sttTrigger * BLOCK_COMMIT_FACTOR) {
         blockCommit = true;
       }
 
@@ -1148,4 +1150,4 @@ int32_t tsdbFSEnableBgTask(STFileSystem *fs) {
   fs->stop = false;
   taosThreadMutexUnlock(fs->mutex);
   return 0;
-}
+}
\ No newline at end of file