Multi-tier caching: every layer, one design
How one request passes through five caches, what belongs at the browser, CDN, gateway and Redis, Cache-Control and Vary, why you invalidate from the inside out, caching for anonymous and logged-in users, and how Netflix and an AWS-style shop split their tiers.
01 · Previously
W04 · DAY 05 · Multi-Tier Caching
One request, five caches.
Previously: feed caching
Previously, on Day 4, you cached personalised feeds: push for most users, pull for celebrities, merged at read time.
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