# Online Scaling in `TiDB/TiKV/PD` (On-premises)

__*zz-Issue-Diagram-Needed*__

+ **Step 1:** View node `ID` information
+ **Step 2:** Execute the scale in command
+ **Step 3:** Verify the cluster status

```
~!@// Step 1@!~
$ tiup cluster display {cluster_name}

~!@// Step 2@!~
$ tiup cluster ~!@scale-in@!~ {cluster_name} --node {node_ip}:{node_port}

~!@// Step 3@!~
$ tiup cluster display {cluster_name}
```

![`smart`](./student-guide/diagram/OnlineScalingInTiKVNodes_aa_001_20220923.png)
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