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@WaleedAshraf
Last active March 25, 2018 13:21
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Switching from cluster module to PM2 & RabbitMQ
var cluster = require('cluster');
const numCPUs = require('os').cpus().length;
module.exports.create = function(options, callback){
if (cluster.isMaster) {
// fork child process for notif/sms/email worker
global.smsWorker = require('child_process').fork('./smsWorker');
global.emailWorker = require('child_process').fork('./emailWorker');
global.notifiWorker = require('child_process').fork('./notifWorker');
// fork application workers
for (var i = 0; i < numCPUs; i++) {
var worker = cluster.fork().process;
console.log('worker started. process id %s', worker.pid);
}
// if application worker gets disconnected, start new one.
cluster.on('disconnect', function (worker) {
console.error('Worker disconnect: ' + worker.id);
var newWorker = cluster.fork().process;
console.log('Worker started. Process id %s', newWorker.pid);
});
} else {
callback(cluster);
}
};
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