Hi,   I am trying to create an additional HDFS useruser. So far, I have: Created a new user  Checked the value of Superuser Group (dfs.permissions.supergroup, dfs.permissions.superusergroup). Since we are using unix shell based groups mapping, I created a unix group on all hosts with a name matching the value of Superuser Group Added the desired superuser to the new group on all hosts. I then tested and the new user cannot access all folders on HDFS.   A little investigation shows that neither dfs.permissions.superusergroup nor dfs.permissions.supergroup are present in either hdfs-site.xml or core-site.xml.   How do I make CM modify the configuration file so the superuser group is deployed.   Are there any other steps I am missing?   We are using CDH 5.16.   Thanks, Tom ... View more