关于在 Munin 图上寻找什么的好资源？
我安装了 Munin，以深入了解带有一些小型 Rails 和 Sinatra 应用程序的 VPS 服务器的服务器性能。是否有一个很好的资源来阅读 Munin 提供的图表中要查找的内容。或者是一个很好的资源，可以获取有关具体措施（分叉率、换入/换出）的更多详细信息 - 他们告诉我什么，需要研究的信号是什么......
主要是我想了解我应该采取哪些措施当我尝试使用一些小型 Ruby 应用程序来娱乐时，请注意服务器端。
I have installed Munin to provide some insight into server performance for a VPS server with some small rails and Sinatra applications. Is there a good resource for reading up on what to look for on the graphs Munin provides. Or a good resource on getting more details on specific measures (Fork rate, Swap in/out) - what they are telling me, what are signals that need to be looked into...
Mainly I am trying to learn about what measures I should pay attention to on the server side as I try to work with some small ruby application for fun.
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当你安装 munin 时，你会得到一堆默认插件，用于绘制系统指标。首先，最好关注平均负载、cpu%、内存、换入/换出。
如果您不确定 munin 究竟如何计算特定指标，您可以尝试阅读插件脚本的源代码。通常系统指标是从 /proc 文件系统获取的。在 debian/ubuntu 机器上，munin 插件脚本安装在 /etc/munin/plugins 下（通过符号链接）。您只需将自定义插件放在某处并从 /etc/munin/plugins 进行符号链接即可安装它们。
When you install munin you get a bunch of default plugins which graph system metrics. To begin with, it would be a good idea to keep an eye on load-avg, cpu%, memory, swap in/out.
If you're not sure exactly how munin is calculating a specific metric, you can try reading the source code for the plugin script. Usually system metrics are obtained from the /proc filesystem. On a debian/ubuntu box, munin plugin scripts are installed (via a symlink) under /etc/munin/plugins. You can install your custom plugins by simply dropping them somewhere and symlinking to them from /etc/munin/plugins.