In distributed systems, redundancy is everything—including your offline documentation. Download the PDF.

: While many books on distributed systems are language-agnostic or Java-heavy, this speaks directly to the Node.js event loop, its single-threaded nature, and how those specifics affect distributed design.

By the end of week 4, you will have practically implemented 80% of the O'Reilly book's content.

Even without the PDF, let’s build a microscopic distributed system using Node.js’s native cluster module and a simple HTTP load balancer.

const http = require('http');

The PDF covers: Using Redis with Redlock (though warning of its flaws) and CRDTs.