Restart Ambari Services
Ambari shows ‘Restart Required’ for dependent services. Restart the services to make sure the configurations are reflected.
- To refresh ‘beacon’ user privileges as hadoop superuser, you can use refresh
hadoop group mapping command or restart namenode service. Refresh the Hadoop
group mapping commands:
hdfs dfsadmin -refreshSuperUserGroupsConfiguration
hdfs dfsadmin -refreshUserToGroupsMappings
- Verify that
Beaconwas added as a user to the HDFS superuser group.
- hdfs groups beacon
dfs.permissions.superusergroup config) as one of the groups.
- Next, Restart Hiveserver2 to refresh Hive configurations. Restart node managers to create ‘beacon’ OS user.