From 724cf98dc33a7c2f223deefb6d18a419a19ccf7d Mon Sep 17 00:00:00 2001
From: Benguang Zhao <bgzhao@taosdata.com>
Date: Wed, 28 Dec 2022 17:47:33 +0800
Subject: [PATCH] fix: be conservative on commit progress in appendEntries

---
 source/libs/sync/src/syncAppendEntries.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/libs/sync/src/syncAppendEntries.c b/source/libs/sync/src/syncAppendEntries.c
index 1dc6905b88..1e5adb4bed 100644
--- a/source/libs/sync/src/syncAppendEntries.c
+++ b/source/libs/sync/src/syncAppendEntries.c
@@ -211,7 +211,7 @@ _SEND_RESPONSE:
   if (accepted && matched) {
     pReply->success = true;
     // update commit index only after matching
-    (void)syncNodeUpdateCommitIndex(ths, pMsg->commitIndex);
+    (void)syncNodeUpdateCommitIndex(ths, TMIN(pMsg->commitIndex, pEntry->index));
   }
 
   // ack, i.e. send response