<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>缓存击穿 on 正能量</title><link>https://www.znl.net/tags/%E7%BC%93%E5%AD%98%E5%87%BB%E7%A9%BF/</link><description>Recent content in 缓存击穿 on 正能量</description><generator>Hugo -- gohugo.io</generator><language>zh-CN</language><copyright>© 2026 正能量</copyright><lastBuildDate>Sun, 18 Oct 2026 15:01:32 +0800</lastBuildDate><atom:link href="https://www.znl.net/tags/%E7%BC%93%E5%AD%98%E5%87%BB%E7%A9%BF/index.xml" rel="self" type="application/rss+xml"/><item><title>缓存穿透，缓存击穿，缓存雪崩出现的原因及解决方案</title><link>https://www.znl.net/posts/cache-failures/</link><pubDate>Thu, 12 Dec 2024 11:04:01 +0800</pubDate><guid>https://www.znl.net/posts/cache-failures/</guid><description>先判断访问的是不存在的数据、单个热点过期，还是大量键或整个缓存服务失效，再选择参数校验、空值缓存、互斥重建或降级等措施。</description><media:content xmlns:media="http://search.yahoo.com/mrss/" url="https://www.znl.net/posts/cache-failures/featured.webp"/></item></channel></rss>