# 2021-04-19-13:24:09+0800 scale up db-monitor of cluster 1311285575352848384

- Cause: address https://pingcap.zendesk.com/agent/tickets/191
- Operation:

```bash
# take a backup of current db monitor
kubectl get tidbmonitor -n tidb1311285575352848384 db -o yaml > tm_backup.yaml

# edit target db monitor resource, set resources to 2c,4g request/limit
kubectl edit tidbmonitor -n tidb1311285575352848384 db

# wait the upgrade complete
kubectl get po -n tidb1311285575352848384 --watch
```

- Impact: the db-monitor pod will be restarted
- Recovery Operation: apply the `tm_backup.yaml` back to the cluste
- Time window: 13:30~13:40 CST, April 19