# 2021-05-21-16:00:01+0800-remove-cloudchat-idle-tikv-machines.md

- Cause: Scale CloudChat TiKV [machine type](https://pingcap.zendesk.com/agent/tickets/196)
- Operation: execute the following commands

```
kubectl edit shoot 4bc76ea -n garden-prod (remove i3.2xlarge tikv workergroup)

name: 2ddb6316
name: 2ddb6315
name: 2ddb6314

```

- Impact: TiKV will remove 24 machines
- Recovery operation: No

- Time window: 16:00 PM, 2021 May 21 ~ 16:30 PM, 2021 May 21