From e984d5525c08247d6d9d5f8b259bd5f75327b8d7 Mon Sep 17 00:00:00 2001
From: openGaussDev <wanglei110@huawei.com>
Date: Thu, 3 Mar 2022 23:53:28 +0800
Subject: [PATCH]  shutdown wal rcv and writer before truncate xlog in pitr

Offering: openGaussDev

More detail: shutdown wal rcv and writer before truncate xlog in pitr

Match-id-2b7bfe694a9842674fa20f302ae6dfc040c313fd
---
 src/gausskernel/storage/access/transam/xlog.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gausskernel/storage/access/transam/xlog.cpp b/src/gausskernel/storage/access/transam/xlog.cpp
index ebbe0148f..ac52c889b 100755
--- a/src/gausskernel/storage/access/transam/xlog.cpp
+++ b/src/gausskernel/storage/access/transam/xlog.cpp
@@ -7433,6 +7433,10 @@ void TruncateAndRemoveXLogForRoachRestore(XLogReaderState *record)
         XLogRecPtrIsValid(t_thrd.shemem_ptr_cxt.ControlFile->backupStartPoint)) {
         ereport(FATAL, (errmsg("truncate xlog LSN is before consistent recovery point")));
     }
+
+    /* wal receiver and wal receiver writer must be stopped before we truncate xlog */
+    ShutdownWalRcv();
+
     uint32 xlogOff;
     XLogSegNo xlogsegno;
     char xlogFileName[1024] = {0};