From fb9e62afe24cdab219a71cc7ad9fac229c82e362 Mon Sep 17 00:00:00 2001
From: Minghao Li <castermode@gmail.com>
Date: Wed, 9 Nov 2022 19:02:50 +0800
Subject: [PATCH] refactor(sync): if index less than wal.commitVer, do not
 truncate, otherwise it will print much log

---
 source/libs/sync/src/syncRaftLog.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/source/libs/sync/src/syncRaftLog.c b/source/libs/sync/src/syncRaftLog.c
index d3d69b288b..7b1158319e 100644
--- a/source/libs/sync/src/syncRaftLog.c
+++ b/source/libs/sync/src/syncRaftLog.c
@@ -301,6 +301,12 @@ static int32_t raftLogTruncate(struct SSyncLogStore* pLogStore, SyncIndex fromIn
     return 0;
   }
 
+  // need not truncate
+  SyncIndex walCommitVer = walGetCommittedVer(pWal);
+  if (fromIndex <= walCommitVer) {
+    return 0;
+  }
+
   int32_t code = walRollback(pWal, fromIndex);
   if (code != 0) {
     int32_t     err = terrno;