How to support multi-processor platforms in Node.js

 Since Node.js is by default a single thread application, it will run on a single processor core and will not take full advantage of multiple core resources. However, Node.js provides support for deployment on multiple-core systems, to take greater advantage of the hardware. 

The Cluster module is one of the core Node.js modules and it allows running multiple Node.js worker processes that will share the same port.

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