title: usage of mapreduce on mysql with nodejs
body: <p>How to use <code>mapreduce</code> for <code>node.js</code> without first loading all data from MySQL to node.js?</p>
  
  <p>I am using this: <a href="http://www.mapjs.org/" rel="nofollow">http://www.mapjs.org/</a></p>