Other 2 ways to access through Ambari is: 1) Using Files View from Ambari ( By setting up Ambari for kerberos ) 2) Using Namenode Web UI ( By setting up Ambari for kerberos and SPNEGO Authentication against cluster components). Hope that Helps! ... View more

@venkat v What type of instances are these? It seems like a simple connection issue. This might just be because of the lower end instances being used. Is this the data node that's down? http://ip-172-31-9-98.ec2.internal:6188/ws/v1/timeline/metrics ... View more