Consistent Hashing
A distributed hashing scheme that minimizes key redistribution when the number of nodes changes. Used by DynamoDB, Cassandra, and CDNs for data partitioning.
Consistent Hashing: Stable Distribution Across Changing Nodes
Mapping keys to nodes so that adding or removing a node moves only a small fraction of keys.
Consistent Hashing in Production: Caches and Shards
Memcached, Dynamo-style sharding, and consistent-hash-based load balancing.
Advanced Consistent Hashing: Bounded Loads and DHTs
Bounded-load hashing, distributed hash tables, and ring resilience.
Consistent Hashing: Review & Mastery Quiz
Scenario questions on rings, virtual nodes, and bounded loads.
Free Books & Guides
Refactoring.Guru — Consistent Hashing
The definitive modern guide to the Consistent Hashing pattern. Clear explanations, UML diagrams, real-world analogies, and code examples in multiple languages.
SourceMaking — Consistent Hashing
A comprehensive companion guide covering the Consistent Hashing pattern with detailed rules of thumb, criticisms, and robust code snippets.
GoF Design Patterns — Consistent Hashing
The original Gang of Four book describing the pattern. Available in the "Design Patterns: Elements of Reusable Object-Oriented Software" on Wikipedia.
Official Documentation
Refactoring.Guru — Consistent Hashing
The definitive modern guide to the Consistent Hashing pattern. Clear explanations, UML diagrams, real-world analogies, and code examples in multiple languages.
Wikipedia — Consistent Hashing Pattern
Wikipedia article explaining the Consistent Hashing pattern with examples and history.
Video Courses
freeCodeCamp — Design Patterns Course
A comprehensive multi-hour video course covering all major design patterns with implementations in JavaScript and TypeScript.
Design Patterns in Modern JavaScript Playlist
YouTube playlist covering creational, structural, and behavioral patterns with clear code walkthroughs.
Web Dev Simplified — Consistent Hashing
Clear, concise video tutorials covering design patterns with practical examples.
Practice & Examples
Awesome Low-Level Design (GitHub)
A curated collection of free LLD resources, pattern implementations, and interview problems across multiple languages.
Design Patterns Implementation (GitHub)
The most popular open-source collection of design pattern implementations with detailed explanations.
Refactoring.Guru Examples in Consistent Hashing
Code examples of the Consistent Hashing pattern in TypeScript, Python, Java, and more.