From 474dc7738af6430c4ca769ec51517e168955ebb3 Mon Sep 17 00:00:00 2001
From: hillium <yujuncen@pingcap.com>
Date: Tue, 21 Mar 2023 15:13:40 +0800
Subject: [PATCH] remove LastCheckpoint metric after losing ownership

Signed-off-by: hillium <yujuncen@pingcap.com>
---
 br/pkg/streamhelper/advancer_daemon.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/br/pkg/streamhelper/advancer_daemon.go b/br/pkg/streamhelper/advancer_daemon.go
index 4e3b68eb3fbf5..c49addc8ad186 100644
--- a/br/pkg/streamhelper/advancer_daemon.go
+++ b/br/pkg/streamhelper/advancer_daemon.go
@@ -48,6 +48,7 @@ func (c *CheckpointAdvancer) Name() string {
 
 func (c *CheckpointAdvancer) onStop() {
 	metrics.AdvancerOwner.Set(0.0)
+    metrics.LastCheckpoint.Reset()
 	c.stopSubscriber()
 }