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system-variables: update description of datadir (#13748) (#13752)
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ti-chi-bot authored Apr 20, 2023
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Expand Up @@ -175,9 +175,8 @@ mysql> SELECT * FROM t1;
### `datadir`

- 作用域:NONE
- 默认值:/tmp/tidb
- 这个变量表示数据存储的位置,位置可以是本地路径。如果数据存储在 TiKV 上,则可以是指向 PD 服务器的路径。
- 如果变量值的格式为 `ip_address:port`,表示 TiDB 在启动时连接到的 PD 服务器。
- 默认值:${ip_address:port}
- 变量值的格式为 `ip_address:port`,表示 TiDB 在启动时连接到的 PD 服务器。

### `ddl_slow_threshold`

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