<?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>性能排查 on Song Kai's Blog</title><link>https://myblog-43r.pages.dev/tags/%E6%80%A7%E8%83%BD%E6%8E%92%E6%9F%A5/</link><description>Recent content in 性能排查 on Song Kai's Blog</description><generator>Hugo</generator><language>zh-cn</language><lastBuildDate>Sun, 13 Sep 2026 00:00:00 +0800</lastBuildDate><atom:link href="https://myblog-43r.pages.dev/tags/%E6%80%A7%E8%83%BD%E6%8E%92%E6%9F%A5/index.xml" rel="self" type="application/rss+xml"/><item><title>Redis 4 升级至 6 后，go-redis 在应用重启后出现超时的原因分析</title><link>https://myblog-43r.pages.dev/posts/redis6-go-redis-cache-after-restart/</link><pubDate>Sun, 13 Sep 2026 00:00:00 +0800</pubDate><guid>https://myblog-43r.pages.dev/posts/redis6-go-redis-cache-after-restart/</guid><description>一次 Redis 升级经历：旧进程正常，重启后约 40 QPS 就出现超时，升级 go-redis v8 后恢复。结合 COMMAND 响应变化与客户端缓存源码，分析这个延迟暴露的兼容问题。</description></item></channel></rss>