bisect.sh

git bisect start
git bisect bad v2.0.0-alpha8
git bisect good v2.0.0-alpha7
git bisect run node leak.js

leak.js

var mysql = require( './index' );
var connection  = mysql.createConnection({});
var counter = 0;
var sql = 'SELECT 0';

var start = Date.now();
function query() {
  var usage = process.memoryUsage().heapUsed / 1024 / 1024;
  //console.log(usage);
  var duration = Date.now()-start;
  if (usage > 50) {
    console.log('leak detected: memory usage > 50 MB, took: %d sec', duration/1000);
    process.exit(1);
  }

  if (duration > 5000) {
    console.log('no leak detected after 5 sec');
    process.exit(0);
  }

  connection.query(sql, function(err, rows) {
    query();
  });
};

query();