This doc could help in disabling kerberos to entire cluster. https://community.cloudera.com/t5/Internal/How-to-Revert-Kerberos-Configuration-from-a-Cloudera-Managed/ta-p/73464 ... View more

Hello @Grumash ,   I believe user=cdp_svc_fc_03 is the spark user which no longer exists. So when you are trying to move the file into the trash folder in the home dir, its failing to create the home dir. You need to create the home dir as the super user (hdfs), then chown it to cdp_svc_fc_03, then it should work. ... View more

Ensure that at OS level the Namenode disk is mounted with read/write options ... View more

There is no direct method or property to disable tombstone marker. Major compacting the mob CF is the only way to go. There is a mob cleaner running on master that removes unreferenced mob files: The period of the cleaner chore can be configured by setting hbase.master.mob.cleaner.period to a positive integer number of seconds. It defaults to running daily. You should not need to tune it unless you have a very aggressive TTL or a very high rate of MOB updates with a correspondingly high rate of non-MOB compactions. So you can check and set the above parameter value and can manually trigger mob compaction by specifying the cf that includes mob data in hbase shell.   NOTE : MOBs are mostly for writing large cells that will rarely be updated or deleted but could have TTL configured for the cell or CF. ... View more