Did anyone succussfully solved this problem. I am installing a new cloudera cluster using 5.15.1 version and we want to restrict the firewall rules in a range for the nodes to communicate. However, when i run jobs it starts using ports that are not open and hence, fails to run the job.     ... View more

It is CDH 5.11.2. I have nearly 2 GB of rolled up logs and not a single FATAL message in there. Is there a way to force these messages? The way I understand that it has crashed is the service hadoop-hdfs-namenode status is FAILED and I need to restart the namenode manually - after which it works as if nothing was wrong. ... View more