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Node.js cluster together with Grunt
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| var os = require('os'); | |
| var async = require('async'); | |
| var cluster = require('cluster'); | |
| if (cluster.isWorker) { | |
| process.on('message', function (msg) { | |
| // Do the Phantom JS stuff | |
| process.send(msg); | |
| }); | |
| return ; | |
| } | |
| module.exports = function (grunt) { | |
| grunt.initConfig({ | |
| Prathap: { | |
| options : { | |
| data: [1, 2, 3, 4, 5, 6, 7, 8], | |
| targets: {}, | |
| target: {} | |
| } | |
| } | |
| }); | |
| grunt.registerTask('Log', 'An example.', function () { | |
| var done = this.async(); | |
| var workers = os.cpus().map(function () { | |
| return cluster.fork(); | |
| }); | |
| var queue = async.queue(function (msg, cb) { | |
| var worker = workers.pop(); | |
| worker.once('message', function (msg) { | |
| workers.push(worker); | |
| cb(null, msg); | |
| }); | |
| worker.send(msg); | |
| }, workers.length); | |
| async.each([1, 2, 3, 4, 5, 6, 7, 8], queue.push.bind(queue), function (err) { | |
| if (err) { | |
| throw err; | |
| } | |
| workers.forEach(function (worker) { | |
| worker.kill(); | |
| }); | |
| console.log('Completed'); | |
| done(); | |
| }); | |
| }); | |
| }; | |
| /* | |
| When I run grunt Log. It's output is like below: | |
| Running "Log" task | |
| Running "Log" task | |
| Running "Log" task | |
| Running "Log" task | |
| Running "Log" task | |
| Running "Log" task | |
| Running "Log" task | |
| Running "Log" task | |
| Running "Log" task | |
| Completed | |
| */ | |
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