From 5e5b7a3328313aecf138f3f02136e9f06caac835 Mon Sep 17 00:00:00 2001
From: Benguang Zhao <bgzhao@taosdata.com>
Date: Tue, 29 Aug 2023 12:07:45 +0800
Subject: [PATCH] fix: reserve enough space of show Obj rows for vnodes of each
 vgroup in mndRetrieveVnodes

---
 source/dnode/mnode/impl/src/mndVgroup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/dnode/mnode/impl/src/mndVgroup.c b/source/dnode/mnode/impl/src/mndVgroup.c
index ff621198ff..c4a40871de 100644
--- a/source/dnode/mnode/impl/src/mndVgroup.c
+++ b/source/dnode/mnode/impl/src/mndVgroup.c
@@ -1091,7 +1091,7 @@ static int32_t mndRetrieveVnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pB
   int32_t cols = 0;
   int64_t curMs = taosGetTimestampMs();
 
-  while (numOfRows < rows) {
+  while (numOfRows < rows - TSDB_MAX_REPLICA) {
     pShow->pIter = sdbFetch(pSdb, SDB_VGROUP, pShow->pIter, (void **)&pVgroup);
     if (pShow->pIter == NULL) break;