Feature branch HDDS-4944 has been merged to master on May 29.
Git branch: https://github.com/apache/ozone/tree/HDDS-4944
Compare (lacking HDDS-6701): https://github.com/apache/ozone/compare/master...HDDS-4944
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`ozone.om.kerberos.principal` and `ozone.om.kerberos.keytab.file` should have been configured already.
NOTE: Ranger Java client patch is merged. BUT the authorizer implementation switch hasn't happened. Partially due to Ranger 2.3.0 hasn't been released yet. Therefore, as of now it can only use the Ranger Basic HTTP authentication approach. Further patch will be done to complete the switch.
1. builds/intermittent test failures
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