diff --git a/src/tsdb/src/tsdbMeta.c b/src/tsdb/src/tsdbMeta.c
index 5d2123a1d43a91cbd4a4fc4e01d61ac1c36e0b4f..e320de9827c26d02bb2ff6277a90f591e7d06ed9 100644
--- a/src/tsdb/src/tsdbMeta.c
+++ b/src/tsdb/src/tsdbMeta.c
@@ -406,7 +406,7 @@ int tsdbCreateTable(TsdbRepoT *repo, STableCfg *pCfg) {
 
   // Write to meta file
   int bufLen = 0;
-  char *buf = malloc(4096);
+  char *buf = malloc(1024*1024);
   if (newSuper) {
     tsdbEncodeTable(super, buf, &bufLen);
     tsdbInsertMetaRecord(pMeta->mfh, super->tableId.uid, buf, bufLen);