Cache Aside
App reads cache. Miss → read DB → populate cache. Most common. Simple. Writes go direct to DB; cache invalidated or expired.
Advertisement
Cache Aside
App reads cache. Miss → read DB → populate cache. Most common. Simple. Writes go direct to DB; cache invalidated or expired.
Advertisement
Write-Through
Every write goes to cache AND DB synchronously. Cache stays fresh. Write latency is DB latency + overhead.