joeuhren
47 lines
1.4 KiB
Plaintext
47 lines
1.4 KiB
Plaintext
var cluster = require('cluster');
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var fs = require('fs');
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if (cluster.isMaster) {
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fs.writeFile('./tmp/cluster.pid', process.pid, function (err) {
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if (err) {
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console.log('Error: unable to create cluster.pid');
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process.exit(1);
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} else {
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console.log('Starting cluster with pid: ' + process.pid);
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//ensure workers exit cleanly
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process.on('SIGINT', function() {
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console.log('Cluster shutting down..');
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setTimeout(function() {
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for (var id in cluster.workers) {
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console.log('Worker shutting down (' + id + ')');
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cluster.workers[id].kill();
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}
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setTimeout(function() {
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// exit the master process
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process.exit(0);
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}, 3000);
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}, 1000);
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});
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// Count the machine's CPUs
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var cpuCount = require('os').cpus().length;
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// Create a worker for each CPU
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for (var i = 0; i < cpuCount; i += 1) {
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cluster.fork();
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}
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// Listen for dying workers
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cluster.on('exit', function (worker, code, signal) {
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if (worker['process']['exitCode'] === 0) {
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console.log('Worker shut down.');
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} else if ((signal != 'SIGINT') && (worker['process']['exitCode'] !== 0) && (worker.exitedAfterDisconnect !== true)) {
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console.log('Cluster restarting...');
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cluster.fork();
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}
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});
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}
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});
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} else {
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require('./instance');
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} |