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18 changes: 14 additions & 4 deletions reference/tiflash/upgrade.md
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Expand Up @@ -5,22 +5,32 @@ category: reference

# 升级 TiFlash 节点

升级前请保证集群处于启动状态,升级 TiFlash 节点的步骤如下
目前 TiFlash 暂时还不支持通过 `tiup cluster upgrade` 进行升级。 推荐使用下面的步骤进行升级

1. 运行升级命令
1. 参考[缩容 TiFlash 节点](/how-to/scale/with-tiup.md#4-缩容-tiflash-节点)章节,对所有的 TiFlash 节点进行缩容操作

2. 运行升级命令

{{< copyable "shell-regular" >}}

```shell
tiup cluster upgrade test v4.0.0-rc
```

2. 查看集群状态
3. 运行扩容 TiFlash 的命令

{{< copyable "shell-regular" >}}

```shell
tiup cluster scale-out test scale-out.yaml
```

4. 查看集群状态

{{< copyable "shell-regular" >}}

```shell
tiup cluster display test
```

3. 打开浏览器访问监控平台,监控整个集群的状态
5. 打开浏览器访问监控平台,监控整个集群的状态