proxy.js

// npm install restify
var payload = JSON.parse(require('fs').readFileSync('./bento.json', 'utf8'));
var cluster = require('cluster');


if (cluster.isMaster) {
    cluster.fork();
    cluster.fork();
    cluster.on('exit', function() {
        console.log('starting new fork');
        cluster.fork();
    });
} else {
    var restify = require('restify');
    var server  = restify.createServer();


    function handle(req, res, next) {
        if (Math.random() > 0.8) {
            setTimeout(function() {
                process.exit();
            }, 3000);
        } else {
            setTimeout(function() {
                res.json(payload);
                next();
            }, 500);
        }
    }

    server.get(/.*/, handle);
    server.listen(8888);
}