Скачать или смотреть 137. Maximize Node.js Performance with Cluster Module | Handle More Requests with Multi-Core Scaling

By default, Node.js runs on a single CPU core — even if your computer has 4, 8, or more. This can limit performance under heavy traffic. In this video, you’ll learn:

Why Node.js uses just one core by default
How the event loop and single-threaded model work
How to prove Node.js is using only one core (on macOS)
How to check your CPU cores using os.cpus()
Why the cluster module exists and how it helps you scale
Real-world examples with curl, Activity Monitor, and blocking code
📌 Perfect for backend developers, Node.js learners, and performance geeks!

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