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remove by name for alert of TiKV_raftstore_thread_cpu_seconds_total (#18541) #18967

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Merged
merged 2 commits into from
Oct 31, 2024
Merged

remove by name for alert of TiKV_raftstore_thread_cpu_seconds_total (#18541) #18967

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8be0a6f
remove by name for alert of TiKV_raftstore_thread_cpu_seconds_total
mayjiang0203 Sep 5, 2024
9a16ec3
Update alert-rules.md
mayjiang0203 Oct 31, 2024
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6 changes: 4 additions & 2 deletions alert-rules.md
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Expand Up @@ -558,11 +558,13 @@ summary: TiDB 集群中各组件的报警规则详解。

* 报警规则：

`sum(rate(tikv_thread_cpu_seconds_total{name=~"raftstore_.*"}[1m])) by (instance, name) > 1.6`
`sum(rate(tikv_thread_cpu_seconds_total{name=~"raftstore_.*"}[1m])) by (instance) > 1.6`

* 规则描述：

Raftstore 线程压力太大。
监测 raftstore 的 CPU 消耗。如果该值偏大，表明 Raftstore 线程压力很大。

该报警项的阈值为 [`raftstore.store-pool-size`](/tikv-configuration-file.md#store-pool-size) 的 80%。`raftstore.store-pool-size` 默认为 2，所以该阈值为 1.6。

* 处理方法：

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