cluster-worker

The cluster-worker is a Node.js module designed to help you perform parallel processing using the built-in cluster module. This module allows you to run multiple worker processes simultaneously, enabling efficient use of CPU resources based on the node:cluster, node:os, node:process

Features

• Distributes tasks across multiple worker processes.
• Automatically restarts workers if they crash.
• Provides status updates on worker activity.

Installation

You can add the cluster-worker to your project by installing it via npm:

pnpm add cluster-worker

yarn install cluster-worker

npm install cluster-worker

Usage

// Default: 

import { parallelism } from 'cluster-worker';

const task = async (index: number, total: number) => {
    console.log(`Worker ${index} of ${total} is running.`);
    
    // Implement your task logic here
};

parallelism(task);

// 50% of CPUs: 

import { parallelism } from 'cluster-worker';

const task = async (index: number, total: number) => {
    console.log(`Worker ${index} of ${total} is running.`);
    
    // Implement your task logic here
};

parallelism(task, 0.5);

// 200% of CPUs: 

import { parallelism } from 'cluster-worker';

const task = async (index: number, total: number) => {
    console.log(`Worker ${index} of ${total} is running.`);
    
    // Implement your task logic here
};

parallelism(task, 2);

// 2 CPUs: 

import { parallelism } from 'cluster-worker';

const task = async (index: number, total: number) => {
    console.log(`Worker ${index} of ${total} is running.`);
    
    // Implement your task logic here
};

parallelism(task, 1, 4);

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How to use this

1. install dependencies

# pnpm
$ pnpm install

# yarn
$ yarn install

# npm
$ npm install

2. Add your code to src
3. Add export statement to src/index.ts
4. Test build command to build src. Once the command works properly, you will see dist folder.

# pnpm
$ pnpm run build

# yarn
$ yarn run build

# npm
$ npm run build

5. Publish your package

$ npm publish

test package

https://www.npmjs.com/package/cluster-worker