## What Happening

TiKV 服务端口探测失败

## Related Issues or Alerts
> Parse issue or alert link 

## Diagnosis
> How to investigate the problem

## Solution

* 检查 TiKV Pod 是否有重启
* 检查 TiKV 进程是否存在
* 检查监控 prometheus pod与 TiKV pod 之间网络是否正常

## Post-Check
> Check issue fixes