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Automated cherry pick of #385: fix: clean mysql slave database #386

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Automated cherry pick of #385: fix: clean mysql slave database #386

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4 changes: 3 additions & 1 deletion docs/operations/databases/mysql_ha_recovery.md
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Expand Up @@ -90,10 +90,12 @@ UNLOCK TABLES;

### 从节点操作

再登入当前从节点的MariaDB，执行如下命名停止从节点的主从同步。
再登入当前从节点的MariaDB，执行如下命名停止从节点的主从同步，同时删除除information_schema,performance_schema,mysql之外的数据库。

```
STOP SLAVE;
drop database yunioncloud;
drop database ...;
```

退出MariaDB，将主节点dump的数据导入从节点数据库：
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