【 TiDB 使用环境】V7.5.0
【 TiDB 版本】
【复现路径】做过哪些操作出现的问题
【遇到的问题：问题现象及影响】
【资源配置】进入到 TiDB Dashboard -集群信息 (Cluster Info) -主机(Hosts) 截图此页面
【附件：截图/日志/监控】
任务配置文件
正常运行状态
主从切换后
{
"result": true,
"msg": "",
"sources": [
{
"result": false,
"msg": "[code=38032:class=dm-master:scope=internal:level=high], Message: some error occurs in dm-worker: ErrCode:36069 ErrClass:\"sync-unit\" ErrScope:\"upstream\" ErrLevel:\"high\" Message:\"get binlog event error: ERROR 1236 (HY000): Could not find first log file name in binary log index file\" Workaround:\"Please check if the binlog file could be parsed by `mysqlbinlog`.\" , Workaround: Please execute `query-status` to check status.",
"source": "xxx",
"worker": "dm-xxxxxip-8262"
}
],
