System Design
Caching Strategies Every Backend Engineer Should Know
Cache-aside, read-through, write-through, write-behind — when each pattern fits, and the invalidation trade-offs nobody escapes.
3 min read
Tag
Caching
10 articles
Web Development
HTTP Caching: Cache-Control, ETags, and CDN Interplay
How Cache-Control directives and ETags interact with browser and CDN caches, and where each layer disagrees in ways that cause stale content bugs.
3 min read
AI
Semantic Caching for LLM Cost Reduction
How semantic caching cuts LLM spend by reusing responses to meaningfully similar queries, and the correctness traps that come with it.
3 min read
React
Data Fetching and Caching Patterns with TanStack Query
Practical TanStack Query patterns for query keys, cache invalidation, and optimistic updates that hold up in real React applications.
2 min read
Meta
TAO: Facebook's Graph-Aware Cache for Billions of Reads
Why generic memcache stopped fitting Facebook's social graph, and how TAO's objects-and-associations model became the read path for billions of requests.
3 min read
Twitter
Caching at Twitter Scale: From Memcached Forks to Owned Infrastructure
How Twitter outgrew stock Memcached, built Twemcache and the Pelikan framework, and turned caching into deliberately owned infrastructure rather than a commodity.
3 min read
Databases
Redis Data Structures and the Caching Patterns Built on Them
A tour of Redis's core data structures and the caching, rate-limiting, and leaderboard patterns each one is actually built for.
3 min read
Meta
Scaling Memcached: How Facebook Made Look-Aside Caching Work at Web Scale
How Facebook turned a simple key-value cache into a cluster of thousands of memcached servers without drowning in stale reads and thundering herds.
3 min read
Spring Boot
Spring's Caching Annotations: Where They Bite
The gap between what @Cacheable looks like it does and what it actually does, including key collisions, exception handling, and self-invocation.
3 min read
Performance
The Layers of Caching in a Web Stack
Browser, CDN, application, and database caching each solve a different problem and fail differently — knowing which layer to reach for matters.
3 min read