🌱 System Design (Beginner) · Data Layer · cozy lesson
Caching Basics
10 min · 1 min read · no scary math, promise
🤖
You’ve got this. Read a little, play a little — I’ll wait. No rush.
Hot product page: CDN (edge) → Redis (5m TTL) → DB. Evict LRU, version keys. Invalidate on write or short TTL for beginners.
💛 Enjoying? Try 5 playful quizzes or watch it move.
Check your understanding
Correct answers earn XP (once each).
1. Cache-aside?
2. Stampede fix?
My notes (saved in this browser)
Select text above → Save selection, or write your own. AlgoMaster-style notebook, local-first for MVP.
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Finished reading? Seal it with a tick ✅
The checkbox in the explorer turns green too — same progress.