<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>瓶颈 on PlumePHP</title><link>https://plumephp.com/tags/%E7%93%B6%E9%A2%88/</link><description>Recent content in 瓶颈 on PlumePHP</description><generator>Hugo</generator><language>zh-CN</language><lastBuildDate>Sun, 27 Sep 2026 10:00:00 +0800</lastBuildDate><atom:link href="https://plumephp.com/tags/%E7%93%B6%E9%A2%88/index.xml" rel="self" type="application/rss+xml"/><item><title>Linux 性能监控与调优：从 CPU 到磁盘的完整实战</title><link>https://plumephp.com/linux-performance-tuning/</link><pubDate>Sun, 27 Sep 2026 10:00:00 +0800</pubDate><guid>https://plumephp.com/linux-performance-tuning/</guid><description>&lt;h2 id="引言"&gt;引言&lt;/h2&gt;
&lt;p&gt;服务「偶尔卡一下」、CPU 飙到 100%、内存缓慢爬升、磁盘 IO 成为瓶颈——性能问题往往不是单点，而是多个子系统相互作用。Linux 性能调优的正确姿势不是盲目调参数，而是遵循「监控 → 定位 → 分析 → 调优 → 验证」的闭环。&lt;/p&gt;</description></item></channel></rss>