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update plan replayer doc #7664

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Nov 24, 2021
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update plan replayer doc #7664

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update plan replayer doc
rebelice Nov 24, 2021
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Update sql-plan-replayer.md
rebelice Nov 24, 2021
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Update sql-plan-replayer.md
rebelice Nov 24, 2021
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6 changes: 5 additions & 1 deletion sql-plan-replayer.md
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Expand Up @@ -49,7 +49,11 @@ analyze table t;
plan replayer dump explain select * from t;
```

`PLAN REPLAYER DUMP` 会将以上信息打包整理成 `ZIP` 文件，并返回文件标识作为执行结果。
`PLAN REPLAYER DUMP` 会将以上信息打包整理成 `ZIP` 文件，并返回文件标识作为执行结果。该文件为一次性文件，被下载后 TiDB 会将其删除。

> **注意：**
>
> `ZIP` 文件最多会在 TiDB 集群中保存一个小时，超时后 TiDB 会将其删除。

```sql
MySQL [test]> plan replayer dump explain select * from t;
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