# 2021-07-26-16:00:00+0800 clean PD tombstone store for customer

- Cause: A customer (id: 1379661944623214066) has many tombstone store which may waste CPU.
- Operation:

```
> kubectl exec -it -n tidb1379661944623214066 db-pd-0 -- sh
> cd /var/lib/pd-tls
> /pd-ctl --pd https://db-pd:2379 --cacert ca.crt --key tls.key --cert tls.crt store remove-tombstone 
```

- Impact: The tombstone store in the Grafana will be cleaned.