Caching
3 articles on Caching.
Core Web Vitals for Backend Engineers: TTFB, Caching & Server-Side Wins (2026)
Most Core Web Vitals advice targets frontend developers, but LCP and INP problems usually start at the server. This guide covers the backend half: TTFB budgets, connection pooling, cache strategy, streaming SSR, CDN headers, and compression — with the production numbers behind each fix.
June 10, 2026·7 min readThe Cache Stampede That Took Down Our API: A Redis p99 War Story
A single expiring Redis key sent 4,000 requests to PostgreSQL at once and spiked our p99 latency to 9 seconds. Here's how cache stampedes happen, how we debugged ours, and the locking + jitter fixes that cut p99 by 80%.
February 10, 2026·7 min readRedis Caching Strategies: Complete Guide to High-Performance Caching
Master Redis caching patterns including cache-aside, write-through, write-behind, and cache invalidation strategies. Learn practical implementations with Python and real-world performance optimization techniques.
December 16, 2024·8 min read
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