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Add link how to address TiDB_tikvclient_region_err_total (#14015)
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qiancai authored May 24, 2023
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4 changes: 2 additions & 2 deletions alert-rules.md
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Expand Up @@ -44,11 +44,11 @@ aliases: ['/docs-cn/dev/alert-rules/','/docs-cn/dev/reference/alert-rules/']

* 规则描述:

TiDB 访问 TiKV 时发生了 Region 错误。如果在 10 分钟之内该错误多于 6000 次,则报警。
TiDB server 根据自己的缓存信息访问 TiKV Region leader。如果 Region leader 有变化或者当前 TiKV 的 Region 信息与 TiDB 的缓存不一致,就会产生 Region 缓存错误。如果在 10 分钟之内该错误多于 6000 次,则报警。

* 处理方法:

查看 TiKV 的监控状态
查看 [**TiKV-Details** > **Cluster** 面板](/grafana-tikv-dashboard.md#cluster),检查 leader 的分布是否均衡

#### `TiDB_domain_load_schema_total`

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