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resouce control: add desp about QUERY WATCH REMOVE RESOURCE GROUP #20209

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resouce control: add desp about QUERY WATCH REMOVE RESOURCE GROUP #20209

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9 changes: 8 additions & 1 deletion tidb-resource-control-runaway-queries.md
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Expand Up @@ -37,7 +37,9 @@ Runaway Query 是指执行时间或消耗资源超出预期的语句。下面使

`WATCH` 中的 `DURATION` 选项，用于表示此识别项的持续时间，默认为无限长。

添加监控项后，匹配特征和 `ACTION` 都不会随着 `QUERY_LIMIT` 配置的修改或删除而改变或删除。可以使用 `QUERY WATCH REMOVE` 来删除监控项。
添加监控项后，匹配特征和 `ACTION` 都不会随着 `QUERY_LIMIT` 配置的修改或删除而改变或删除。

可以使用 `QUERY WATCH REMOVE` 来删除监控项，或者使用 `QUERY WATCH REMOVE RESOURCE GROUP` 进行批量删除。

`QUERY_LIMIT` 具体格式如下：

Expand Down Expand Up @@ -133,6 +135,11 @@ Runaway Query 是指执行时间或消耗资源超出预期的语句。下面使
```sql
QUERY WATCH REMOVE 1;
```
- 批量删除监控项
```sql
QUERY WATCH REMOVE RESOURCE GROUP rg1;
```


## 可观测性

Expand Down