add file size statistics

src/tsdb/src/tsdbFile.c

@@ -409,6 +409,10 @@ static int tsdbInitFile(SFile *pFile, STsdbRepo *pRepo, int fid, int type) {
   pBuf = taosDecodeFixedU32(pBuf, &version);
   pBuf = tsdbDecodeSFileInfo(pBuf, &(pFile->info));
 
+  if (pFile->info.size == TSDB_FILE_HEAD_SIZE) {
+    pFile->info.size = lseek(pFile->fd, 0, SEEK_END);
+  }
+
   if (version != TSDB_FILE_VERSION) {
     tsdbError("vgId:%d file %s version %u is not the same as program version %u which may cause problem",
               REPO_ID(pRepo), pFile->fname, version, TSDB_FILE_VERSION);

src/tsdb/src/tsdbRWHelper.c

@@ -120,14 +120,6 @@ int tsdbSetAndOpenHelperFile(SRWHelper *pHelper, SFileGroup *pGroup) {
     if (tsdbOpenFile(helperDataF(pHelper), O_RDWR) < 0) return -1;
     if (tsdbOpenFile(helperLastF(pHelper), O_RDWR) < 0) return -1;
 
-    // NOTE: For data file compatibility
-    if (helperDataF(pHelper)->info.size == TSDB_FILE_HEAD_SIZE) {
-      helperDataF(pHelper)->info.size = (uint64_t)lseek(helperDataF(pHelper)->fd, 0, SEEK_END);
-    }
-    if (helperLastF(pHelper)->info.size == TSDB_FILE_HEAD_SIZE) {
-      helperLastF(pHelper)->info.size = (uint64_t)lseek(helperLastF(pHelper)->fd, 0, SEEK_END);
-    }
-
     // Create and open .h
     pFile = helperNewHeadF(pHelper);
     if (tsdbOpenFile(pFile, O_WRONLY | O_CREAT) < 0) return -1;