dm日志出现大量check point has no change

replication is slow and many “checkpoint has no change, skip sync flush checkpoint” in DM log · Issue #4619 · pingcap/tiflow (github.com)

bug,V5.4.1 修复了。
另外可参考这个帖子。
升级到DM5.4后,worker打印大量日志:[syncer.go:1114] [“checkpoint has no change, skip sync flush checkpoint”] - :ringer_planet: TiDB 技术问题 / 备份&数据迁移 - TiDB 的问答社区 (asktug.com)