JD Tech

Nov 30, 2018 · Backend Development

Cache Classification and Practical Cases in High‑Traffic Systems

This article explains various cache types—including client, browser, CDN, NGINX, application, and unified Redis caches—and presents two real‑world case studies on handling hotspot keys and designing a three‑tier category‑center cache, highlighting performance gains, consistency challenges, and best‑practice solutions for high‑traffic backend systems.