From bd23a36f86b0392037bcbd4207ab8501e40a6d38 Mon Sep 17 00:00:00 2001
From: Benguang Zhao <bgzhao@taosdata.com>
Date: Sun, 29 Jan 2023 18:03:09 +0800
Subject: [PATCH] fix: round lastApplyIndex up to beginIndex -1 in
 syncBeginSnapshot

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

diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index b9ca6af912..ea22ac7bb5 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -306,7 +306,7 @@ int32_t syncBeginSnapshot(int64_t rid, int64_t lastApplyIndex) {
     if (pSyncNode->replicaNum > 1) {
       // multi replicas
 
-      lastApplyIndex -= SYNC_VNODE_LOG_RETENTION;
+      lastApplyIndex = TMAX(lastApplyIndex - SYNC_VNODE_LOG_RETENTION, beginIndex - 1);
 
       if (pSyncNode->state == TAOS_SYNC_STATE_LEADER) {
         pSyncNode->minMatchIndex = syncMinMatchIndex(pSyncNode);