<?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>LFU on Engineering Playbook</title><link>https://learn.tanhdev.com/tags/lfu/</link><description>Recent content in LFU on Engineering Playbook</description><image><title>Engineering Playbook</title><url>https://learn.tanhdev.com/vesviet.png</url><link>https://learn.tanhdev.com/vesviet.png</link></image><generator>Hugo</generator><language>vi</language><lastBuildDate>Sun, 16 Aug 2026 12:00:00 +0700</lastBuildDate><atom:link href="https://learn.tanhdev.com/tags/lfu/index.xml" rel="self" type="application/rss+xml"/><item><title>Chiến Lược Caching &amp; Bệnh Đàn Voi Giẫm Đạp (Cache Stampede) — Singleflight, XFetch &amp; Redis LFU</title><link>https://learn.tanhdev.com/series/system-design/03-caching-strategies-redis-golang/</link><pubDate>Thu, 18 Jun 2026 10:00:00 +0700</pubDate><guid>https://learn.tanhdev.com/series/system-design/03-caching-strategies-redis-golang/</guid><description>Xử lý triệt để sự cố Cache Stampede bằng singleflight và XFetch. So sánh các mô hình Write-Through, Write-Behind và Cache-Aside.</description></item></channel></rss>