e <a href="http://doc.akka.io/docs/akka/2.4-SNAPSHOT/contrib/cluster-singleton.html" target="_blank">Cluster Singleton</a>
in the contrib module. The <code>ClusterSingletonManager</code> is started on each node.
</p>

<p>
We also need an actor on each node that keeps track of where current single master exists and
delegates jobs to the <code>StatsService</code>. That is provided by the <code>ClusterSingletonProxy</code>. 
</p>

<p>
The <code>ClusterSingletonProxy</code> receives text from users and delegate