Software Engineering Architecture Lab

Caching: Speed at the Cost of Truth

Cache-aside, write-through, TTLs, invalidation and stampedes. Lesson 3 of Level 8: Data-Intensive Systems. Based on DDIA.

Level 8 · Data-Intensive Systems · Lesson 3 of 15

Cache-aside, write-through, TTLs, invalidation and stampedes.

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Indexes: Fast Reads, Slower Writes — Previous lesson
Replication: Leaders, Followers & Failover — Next lesson
Level 8: Data-Intensive Systems — Back to the level

Try it hands-on

Cache: Hits, Misses, TTL & Invalidation — Serve product reads through a cache; tune TTL and size, update the database and watch stale reads and stampedes.
Caching Lab — Hit rates, TTLs, invalidation, stampedes and CDNs.

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