Create grafana-node-exporter-dashboard.md by lilyjazz · Pull Request #8105 · pingcap/docs-cn

lilyjazz · 2022-01-04T04:42:11Z

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Add a doc to explain metrics on the Node Exporter panel.

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ti-chi-bot · 2022-01-04T04:42:12Z

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@@ -0,0 +1,139 @@
+---
+title: Node Exporter 面板重要监控指标详解
+aliases: ['/docs-cn/dev/grafana-overview-dashboard/','/docs-cn/dev/reference/key-monitoring-metrics/overview-dashboard/']


ethercflow · 2022-01-04T11:19:23Z

+- Swap: 系统的交换内存情况
+- Swap Activity: 交换内存使用情况
+- Page/Swap in/out: 分页和交换内存的写入/写出情况
+- Mem Fault: 内存错误情况


指的缺页异常？

lilyjazz · 2022-01-05T02:38:14Z

tech reviewer: @ethercflow @breeswish PTAL

ethercflow · 2022-01-07T09:51:17Z

+
+## Kernel
+
+- OS: 操作系统类型


这里是操作系统类型还是发行版信息？

就是操作系统类型。

ethercflow · 2022-01-07T09:53:08Z

+- Kernel version: 内核版本
+- Interrupts: 内核中断情况
+- Forks: Linux 下创建进程的系统调用情况
+- Context Switches: 内核任务切换情况


A context switch (also sometimes referred to as a process switch or a task switch) is the switching of the CPU (central processing unit) from one process or thread to another.

ethercflow · 2022-01-07T09:57:27Z

+- Memory: 内存的使用情况
+- Distribution: 内存分布情况
+- Available Buddy Pages - Zone Normal: linuxbuddy 系统管理物理内存的 debug 信息，低值表示内存碎片严重
+- Active/Inactive: 活跃或非活跃内存情况，非活跃的内存将会优先回收，活跃的内存，除非绝对必要否则不会回收


这里的 page 类型是 file？

这里是指 Page，应该不用修改文案

ethercflow · 2022-01-07T09:57:58Z

+- Distribution: 内存分布情况
+- Available Buddy Pages - Zone Normal: linuxbuddy 系统管理物理内存的 debug 信息，低值表示内存碎片严重
+- Active/Inactive: 活跃或非活跃内存情况，非活跃的内存将会优先回收，活跃的内存，除非绝对必要否则不会回收
+- Writeback and Dirty: 回写和脏页。回写：准备主动回写硬盘的缓存页；临时回写：用于临时写回缓冲区的内存；脏页：需要写回磁盘的数据大小


Dirty %lu
Memory which is waiting to get written back to the
disk.

Writeback %lu
Memory which is actively being written back to the
disk.

ethercflow · 2022-01-07T10:00:51Z

@lilyjazz 有些地方的描述不大精确，请先参考：https://man7.org/linux/man-pages/man5/proc.5.html 修正下谢谢！

shichun-0415 · 2022-11-10T11:27:48Z

/verify

qiancai · 2023-07-07T06:15:47Z

Removed the needs-cherry-pick-release-6.6 label because the v6.6 docs have been archived at https://docs-archive.pingcap.com/zh/tidb/v6.6 and will no longer receive new updates.

ti-chi-bot · 2024-01-26T11:05:47Z

@lilyjazz: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-verify	`ab6dba0`	link	true	`/test pull-verify`

Full PR test history. Your PR dashboard.

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qiancai · 2026-07-10T12:13:03Z

Removed the needs-cherry-pick-release-6.1 label because the v6.1 docs have been archived at https://docs-archive.pingcap.com/zh/tidb/v6.1 and will no longer receive new updates.

Create grafana-node-exporter-dashboard.md

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lilyjazz marked this pull request as ready for review January 4, 2022 13:48

ti-chi-bot removed the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Jan 4, 2022

TomShawn added ONCALL Relates to documentation oncall. translation/doing This PR’s assignee is translating this PR. needs-cherry-pick-release-5.3 and removed missing-translation-status This PR does not have translation status info. labels Jan 5, 2022

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TomShawn requested a review from breezewish January 27, 2022 08:47

shichun-0415 added the needs-cherry-pick-release-5.4 label Feb 11, 2022

shichun-0415 self-assigned this Aug 13, 2022

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shichun-0415 added needs-cherry-pick-release-6.5 Should cherry pick this PR to release-6.5 branch. and removed needs-cherry-pick-release-6.4 labels Dec 30, 2022

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qiancai removed the needs-cherry-pick-release-6.6 label Jul 7, 2023

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First-time contributors' checklist

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