A BEGINNER'S GUIDE TO NODE.JS WORKER THREADS

Summary from the TLDR Web Dev newsletter

Worker threads provide a way to create independent JavaScript execution threads that run in parallel. This post walks through an example of offloading CPU-intensive tasks to a worker thread in Node.js. Without offloading, tasks can block the event loop and prevent the server from processing other requests. The article shows an example of the server going from processing 7.3k requests to 0 tasks due to a CPU-intensive task.