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resource_control: add repeats to tidb_runaway_queries #18611

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resource_control: add repeats to tidb_runaway_queries #18611

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99d65ce
add repeats
HuSharp Sep 11, 2024
ca7eab1
Update content organization format
lilin90 Sep 14, 2024
f60c099
Update tidb-resource-control.md
HuSharp Sep 14, 2024
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25 changes: 15 additions & 10 deletions tidb-resource-control.md
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Expand Up @@ -330,19 +330,24 @@ Runaway Query 是指执行时间或消耗资源超出预期的查询（仅指 `S
```sql
MySQL [(none)]> SELECT * FROM mysql.tidb_runaway_queries LIMIT 1\G
*************************** 1. row ***************************
resource_group_name: rg1
time: 2023-06-16 17:40:22
match_type: identify
action: kill
original_sql: select * from sbtest.sbtest1
plan_digest: 5b7d445c5756a16f910192ad449c02348656a5e9d2aa61615e6049afbc4a82e
tidb_server: 127.0.0.1:4000
resource_group_name: default
start_time: 2024-09-09 17:43:42
repeats: 2
match_type: watch
action: kill
sample_sql: select sleep(2) from t
sql_digest: 4adbc838b86c573265d4b39a3979d0a362b5f0336c91c26930c83ab187701a55
plan_digest: 5d094f78efbce44b2923733b74e1d09233cb446318293492901c5e5d92e27dbc
tidb_server: 127.0.0.1:4000
```

其中，`match_type` 为该 Runaway Query 的来源，其值如下：
字段解释：

- `identify` 表示命中条件。
- `watch` 表示被快速识别机制命中。
- `match_type` 为该 Runaway Query 的来源，其值如下：
- `identify` 表示命中条件。
- `watch` 表示被快速识别机制命中。
- `start_time` 为该 Runaway Query 被识别的时间。
- `repeats` 为该 Runaway Query 从 `start_time` 开始后被识别的次数。
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+ `information_schema.runaway_watches` 表中包含了 Runaway Queries 的快速识别规则记录。详见 [`RUNAWAY_WATCHES`](/information-schema/information-schema-runaway-watches.md)。

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