Hi Guys, I have been trying to change the replication factor from "3" to "2". but failed. Here the steps : 1. First I check the replication factor from Ambari server. it is "3". 2. Then i go to shell and check the replication factor by wrote the commands : "cd /etc/hadoop/conf" : "View hdfs-site.xml" replication factor is "3" also here. 3. Then i go to Ambari server and Change the replication factor from "3" to "2" and final it by click the "Lock" button and then Save. 4. and then i have restart the all services. after these steps Ambari server show me replication factor "2" . BUT when i go to shell and write the command : "View hdfs-site.xml" it show me replication factor still "3" . What thing i did wrong ? Thanks ... View more

Hi Guys, I have Follow all the step that were needed to decommission a node. but after all steps : 1. Decommission the services 2. Delete Host from Cluster 3. Delete all packages that were installed. but when i write the command : "Cat /etc/Host" that specific node "Node1" still appearing in the list ? is that ok or i have missing something ? NOTE : Particular Node "Node1" successfully removed from the list of Ambari Hosts. ... View more