Modified reproduction for elastic/elasticsearch-js#54, modified to comply with jshint and reports progress and success.

scratch.js

var elasticsearch = require('./src/elasticsearch');
var async = require('async');
var _ = require('lodash-node');
var client = new elasticsearch.Client({
  host: 'localhost:9200'
});

async.eachSeries(_.range(100), function (value, done) {
  async.eachSeries(_.range(500), function (value, done) {
    client.create({ index: 'tests', type: 'test', body: {something: true, value: value} }, done);
  }, function (err) {
    process.stdout.write('.');
    done(err);
  });
}, function () {
  console.log('\nsuccess');
  client.close();
});