t.js

// --max-old-space-size=4095

var bigdata = [],
    iterations = 0;

function addData() {
  iterations++;
  if (iterations % 10 == 0)
    console.log(iterations, bigdata.length, process.memoryUsage());
  for (var i = 0; i < 1e5; i++) {
    bigdata.push({});
  }
  return setTimeout(function() { addData(); }, 1);
}

addData();