Caching

Store frequently accessed data in a high-speed storage layer to reduce latency and load on backend systems. A fundamental performance optimization pattern.

4 Lessons

Knowledge Course

Caching: Speed by Storing Computed Answers

Why caching is the highest-leverage performance tool and how it can also corrupt behavior.

45 min→

Caching in Production: Thundering Herds and Stampedes

Cache stampedes, stale-while-revalidate, and invalidation at scale.

60 min→

Advanced Caching: Distributed Caches and Multi-Tier

Consistent hashing, cache-aside with locking, and multi-tier caches at scale.

75 min→

Caching: Review & Mastery Quiz

Scenario questions on cache layers, stampedes, and distributed caching.

quiz30 min→

Curated Resources

Free Books & Guides

Caching — In-Depth Guide

A comprehensive free guide explaining the Caching principle with examples and best practices.

Wikipedia — Caching

Wikipedia article covering the Caching principle, its history, and applications.

Official Documentation

Wikipedia — Caching

The definitive reference article for Caching.

Martin Fowler — Caching

Martin Fowler's authoritative writings on software architecture and design principles.

Video Courses

Caching — Explained (YouTube)

A video explanation of the Caching principle with practical examples.

freeCodeCamp — Software Architecture Course

A comprehensive course covering software architecture principles, patterns, and best practices.

ByteByteGo — Distributed Systems

High-quality animated explanations of system design principles, distributed systems, and architecture patterns.

Practice & Examples

Awesome System Design (GitHub)

A curated list of system design resources, including principles, patterns, and interview preparation.

System Design 101 (GitHub)

Visual guides and architectural diagrams explaining key system design principles and patterns.

Reference & Cheatsheets

Martin Fowler — Software Architecture Guide

Martin Fowler's authoritative reference on software architecture principles and patterns.

Microsoft Azure Architecture Center

Microsoft's comprehensive guide to architecture principles, patterns, and best practices for cloud applications.

Articles & Blog Posts

Martin Fowler Blog

Articles and bliki entries on software architecture principles, design patterns, and best practices.

AWS Architecture Blog

Real-world architecture decisions, trade-offs, and principle applications from AWS engineers.

Community

Stack Overflow — System Design

Q&A forum for architecture, design principles, and system design questions.

Reddit r/SoftwareEngineering

Community discussions on software engineering principles, best practices, and industry trends.