title: Namenode high availability client request
body: <p>Can anyone please tell me that If I am using java application to request some file upload/download operations to HDFS with Namenode HA setup, Where this request go first? I mean how would the client know that which namenode is active?</p>
  <p>It would be great if you provide some workflow type diagram or something that explains request steps in detail(start to end).</p>