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tidb-configuration-file: add graceful-wait-before-shutdown #6574

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ti-chi-bot merged 2 commits into from
Jul 5, 2021
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tidb-configuration-file: add graceful-wait-before-shutdown #6574

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tidb-configuration-file: add graceful-wait-before-shutdown
Jul 1, 2021
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Liuxiaozhen12 Jul 5, 2021
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6 changes: 6 additions & 0 deletions tidb-configuration-file.md
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Expand Up @@ -170,6 +170,12 @@ TiDB 配置文件比命令行参数支持更多的选项。你可以在 [config/
+ 默认值：true
+ 当该配置项值为 `true` 时，`ENUM` 和 `SET` 单个元素的最大长度为 255 个字符，[与 MySQL 8 兼容](https://dev.mysql.com/doc/refman/8.0/en/string-type-syntax.html)；当该配置项值为 `false` 时，不对单个元素的长度进行限制，与 TiDB v5.0 之前的版本兼容。

#### `graceful-wait-before-shutdown` <span class="version-mark">从 v5.0 版本开始引入</span>

- 指定关闭服务器时 TiDB 等待的秒数，使得客户端有时间断开连接。
- 默认值：0
- 在 TiDB 等待服务器关闭期间，HTTP 状态会显示失败，使得负载均衡器可以重新路由流量。

## log

日志相关的配置项。
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