Cache

Caching in Web Forms

Learn how output caching, fragment caching, and the Cache API reduce database and rendering load in Classic ASP.NET Web Forms applications.

Caching and Persistence

When and how to cache a Spark DataFrame to avoid recomputation, the tradeoffs between storage levels, and the pitfalls of over-caching or forgetting to unpersi…

Cloud CDN Basics

Learn how Cloud CDN caches content at Google's global edge locations by attaching to a load balancer's backend, how cache keys and cache modes control what get…

AWS CloudFront Basics

Understand how Amazon CloudFront's global CDN caches and accelerates content delivery, including origins, cache behaviors, and invalidation strategies.

Caching in Django

Explore Django's caching framework, from per-view and template-fragment caching to the low-level cache API and choosing a cache backend like Redis.

Cache Invalidation Patterns

How to keep Redis-cached data correct as the underlying source changes, covering explicit invalidation, TTL trade-offs, and Pub/Sub-based invalidation across m…

Caching Strategies with Redis

A practical guide to the core caching patterns — cache-aside, write-through, and write-behind — used to speed up applications with Redis, plus how to pick sane…

Cache Eviction Policies

Covers the algorithms caches use to decide what to remove when full, comparing LRU, LFU, FIFO, and TTL-based approaches and their tradeoffs.

Cache Invalidation Strategies

Explores how systems keep cached data consistent with the source of truth, covering TTLs, write-through/write-behind patterns, and explicit invalidation on upd…

Database Query Caching Strategies Cheat Sheet

Query caching patterns covering cache-aside, write-through, Redis-backed result caching, invalidation, and stampede prevention.