Hands-On JavaScript High Performance by Justin Scherer

Author:Justin Scherer [Justin Scherer]
Language: eng
Format: epub
Tags: COM060160 - COMPUTERS / Web / Web Programming, COM051260 - COMPUTERS / Programming Languages / JavaScript, COM060180 - COMPUTERS / Web / Web Services and APIs
Publisher: Packt
Published: 2020-02-28T11:17:16+00:00

import cluster from 'cluster';

import https from 'https';

import http from 'http';

import { URL } from 'url';

Next, we set up the constants that we can use across our processes:

const numWorkers = 2;

const CACHE = 0;

const SEND = 1;

const server = '127.0.0.1';

const port = 3000;

After, we add an if/else check to see whether we are the master process or whether we are a slave process. The same file is used for both types of processes, so we need a way to distinguish between the two:

if( cluster.isMaster ) {

// do master work

} else {

// handle incoming connections

}

Now, write the master code. This will go into the first block of the if/else statement. Our master node needs to spin the slave nodes up, as well as initialize our cache:

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