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op-guide: update PD scaling steps #567

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Aug 13, 2018
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op-guide: update PD scaling steps #567

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10 changes: 8 additions & 2 deletions op-guide/ansible-deployment-scale.md
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Expand Up @@ -457,10 +457,16 @@ For example, if you want to remove a PD node (node2) with the IP address `172.16
| node8 | 172.16.10.8 | TiKV3 |
| node9 | 172.16.10.9 | TiKV4 |

5. Update the Prometheus configuration and restart the cluster:
5. Perform a rolling update to the entire TiDB cluster:

```
ansible-playbook rolling_update.yml
```

6. Update the Prometheus configuration and restart the cluster:

```
ansible-playbook rolling_update_monitor.yml --tags=prometheus
```

6. Monitor the status of the entire cluster by opening a browser to access the monitoring platform: `http://172.16.10.3:3000`.
7. To monitor the status of the entire cluster, open a browser to access the monitoring platform: `http://172.16.10.3:3000`.