From 1f01ba7cc0882bad4b70720d7326d52f15cefbbb Mon Sep 17 00:00:00 2001
From: Benguang Zhao <bgzhao@taosdata.com>
Date: Wed, 18 Jan 2023 16:33:52 +0800
Subject: [PATCH] fix: not keep wal log vnodeCommit'ed for single replica db

---
 source/libs/sync/src/syncMain.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/libs/sync/src/syncMain.c b/source/libs/sync/src/syncMain.c
index eeda612bcd..ebf06a5d8b 100644
--- a/source/libs/sync/src/syncMain.c
+++ b/source/libs/sync/src/syncMain.c
@@ -292,8 +292,6 @@ int32_t syncBeginSnapshot(int64_t rid, int64_t lastApplyIndex) {
     goto _DEL_WAL;
 
   } else {
-    lastApplyIndex -= SYNC_VNODE_LOG_RETENTION;
-
     SyncIndex beginIndex = pSyncNode->pLogStore->syncLogBeginIndex(pSyncNode->pLogStore);
     SyncIndex endIndex = pSyncNode->pLogStore->syncLogEndIndex(pSyncNode->pLogStore);
     bool      isEmpty = pSyncNode->pLogStore->syncLogIsEmpty(pSyncNode->pLogStore);
@@ -308,6 +306,8 @@ int32_t syncBeginSnapshot(int64_t rid, int64_t lastApplyIndex) {
     if (pSyncNode->replicaNum > 1) {
       // multi replicas
 
+      lastApplyIndex -= SYNC_VNODE_LOG_RETENTION;
+
       if (pSyncNode->state == TAOS_SYNC_STATE_LEADER) {
         pSyncNode->minMatchIndex = syncMinMatchIndex(pSyncNode);