How do we feel about moving to HDP 2.5.3? http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.5.3/bk_release-notes/bk_release-notes-20161130.pdf
and Ambari 2.4.2.0 http://docs.hortonworks.com/HDPDocuments/Ambari-2.4.2.0/bk_ambari-release-notes/bk_ambari-release-notes-20161128.pdf
