title: How to reconnect redis connection?
body: <p>I have simple example:</p>
  
  <pre><code>var redis = require('redis'),
  client = redis.createClient();
  
  var test = function() {
      client.brpop('log', 0, function(err, reply) {
          if (err != null ) {
              console.log(err);
          }    else {
              .... parse log string ....
          }
          test();
      });
  }
  
  test();
  </code></pre>
  
  <p>How to reconnect redis connection after restart redis server ?</p>