How to Implement Clustering in Node ?
NodeJS provides a built-in module called cluster
that makes it easy to implement clustering in your applications. The cluster
module allows you to create a cluster of worker processes, manage communication between them, and handle process lifecycle events such as worker creation, termination, and message passing.
const cluster = require('cluster');
const numCPUs = require('os').cpus().length;
if (cluster.isMaster) {
// Code for master process
}
What is Clustering in Node?
Clustering in Node refers to a technique used to enhance the performance and scalability of NodeJS applications by utilizing the capabilities of multi-core systems. With clustering, you can create multiple instances of the NodeJS process, known as workers, each running on a separate CPU core. By distributing the workload across these workers, applications can handle a higher volume of requests and utilize the available system resources more efficiently.
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