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remove by name for alert of TiKV_raftstore_thread_cpu_seconds_total (#19275) #19277

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merged 4 commits into from
Oct 31, 2024
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remove by name for alert of TiKV_raftstore_thread_cpu_seconds_total (#19275) #19277

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Add temp.md
qiancai Oct 31, 2024
f547309
Delete temp.md
qiancai Oct 31, 2024
a48b1c8
Update alert-rules.md
qiancai Oct 31, 2024
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Update alert-rules.md
qiancai Oct 31, 2024
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6 changes: 4 additions & 2 deletions alert-rules.md
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Expand Up @@ -562,11 +562,13 @@ This section gives the alert rules for the TiKV component.

* Alert rule:

`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`

* Description:

The pressure on the Raftstore thread is too high.
This rule monitors CPU usage by Raftstore. If the value is high, it indicates pressure on Raftstore threads is heavy.

The alert threshold is 80% of the [`raftstore.store-pool-size`](/tikv-configuration-file.md#store-pool-size) value. `raftstore.store-pool-size` is 2 by default, so the alert threshold is 1.6.

* Solution:

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