# Exercise 4-3: Change Node Size of TiDB Cloud Cluster

## Overview
+ You can increase or decrease the size (including vCPUs and memory) of TiDB, TiKV, or TiFlash.


## Notes:
+ This exercise is for `TiDB Dedicated` cluster only.

## Duration
+ This exercise should take you approximately 15 minutes to complete.

## Tasks
1. Click drop-down menu in the upper-right corner, and then select `Modify`.
2. In the `Modify Cluster` window, change the size of TiDB, TiKV, or TiFlash.

## Solution Steps
1. Click drop-down menu in the upper-right corner, and then select `Modify`.  
<img src="./diagram/GoModify_aa_002_20230119.png" width="50%" align="top"/>

2. In the `Modify Cluster` window, you can increase or decrease the size (including vCPUs and memory) of TiDB, TiKV, or TiFlash, and then click `Review`.
<img src="./diagram/ChangeNodeCloudCluster01_aa_002_20230613.png" width="50%" align="top"/>

3. On the next page, review your modify then click `Confirm and Deploy`.
<img src="./diagram/ChangeNodeCloudCluster02_aa_002_20230613.png" width="50%" align="top"/>

4. Wait for your TiDB Cloud cluster to change node size.