Build a cache you can trust.
Connect expiration, eviction, and cache-aside behavior with your application’s correctness and freshness requirements.
01
DB Minute · 3 min
02Expiration and eviction are two different promises
A TTL controls freshness over time. An eviction policy controls what happens under memory pressure. Your cache needs both decisions.
Engineering guide · 3 min
Cache-aside with Redis: the easy part is the lookup
Follow a cache hit and miss, then work through invalidation, stale data, and the race conditions hiding between them.