Hi, I have a NiFi flow that consumes lot of memory. How can I diagnosis the flow to isolate the problem and find the processor that ... View more

Hi Is it possible to copy HDFS snapshots to another cluster and use them (via distCP for instance)? What does this add compared to copy data directly (not snapshots) via distCP for DR? Thanks ... View more

Hello What criteria Ranger usses to look up for user in LDAP? Which attribute (memberof, uniquemember) ? ... View more

Hi, I want to use Ranger-usersync to import users to ranger with a file (export from LDAP) : https://cwiki.apache.org/confluence/display/RANGER/File+Source+User+Group+Sync+process I can see that insert and updates work. However, this does support delete user? The same question if I used usersync with LDAP? I already saw this article but I can not see if the bug has been corrected : https://community.hortonworks.com/articles/49127/does-ranger-user-group-sync-support-removing-users.html Thanks ... View more

Hi, When a user try to read a file from HDFS in a Kerberised cluster, he contacts NN and presents its token. I am trying to understand how the user's groups are checked against Ranger policies. Does Kerberos token contains the groups the user belongs to? Or does ranger looks to the user/group mapping? If ranger does this, is it internal or through LDAP? ... View more