<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>分层 on 文叨叨 | IaaS 排障手记</title><link>/tags/%E5%88%86%E5%B1%82/</link><description>Recent content in 分层 on 文叨叨 | IaaS 排障手记</description><generator>Hugo</generator><language>zh-cn</language><lastBuildDate>Sat, 11 Apr 2026 10:00:00 +0800</lastBuildDate><atom:link href="/tags/%E5%88%86%E5%B1%82/index.xml" rel="self" type="application/rss+xml"/><item><title>底层单一，上层组合</title><link>/posts/bottom-single-top-combine/</link><pubDate>Sat, 11 Apr 2026 10:00:00 +0800</pubDate><guid>/posts/bottom-single-top-combine/</guid><description>底层逻辑尤其要保证单一，一个能力只提供一种方法。想要更多，通过上层组合、上层封装来实现。千万不要把所有需求都放到底层原子能力上。</description></item></channel></rss>