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alert: remove keep_alive_total metric (#18227) #18234

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Aug 2, 2024
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alert: remove keep_alive_total metric (#18227) #18234

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15 changes: 0 additions & 15 deletions alert-rules.md
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Expand Up @@ -63,21 +63,6 @@ summary: TiDB 集群中各组件的报警规则详解。

参考 [`TiDB_schema_error`](#tidb_schema_error) 的处理方法。

#### `TiDB_monitor_keep_alive`

* 报警规则：

`increase(tidb_monitor_keep_alive_total[10m]) < 100`

* 规则描述：

表示 TiDB 的进程是否仍然存在。如果在 10 分钟之内 `tidb_monitor_keep_alive_total` 增加次数少于 100，则 TiDB 的进程可能已经退出，此时会报警。

* 处理方法：

* 检查 TiDB 进程是否 OOM。
* 检查机器是否发生了重启。

### 严重级别报警项

#### `TiDB_server_panic_total`
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