performance
Software Engineering·Jul 21, 2026·7 min read
Caching Deep Dive
The harder parts of caching at scale — eviction policies, distributed caching, the three classic failure modes that crash databases, and why cache consistency is genuinely difficult.
Software Engineering·Jul 21, 2026·3 min read
Caching Fundamentals
Caching stores the result of an expensive operation so you can return it instantly next time. This guide explains browser caching, CDN caching, Redis, cache invalidation, and when to cache.
Software Engineering·Jul 21, 2026·4 min read
Database Scaling and Performance
How to make a slow database fast — indexes, query fixes, connection pooling, caching — and when you actually need to scale to multiple machines.