At this stage, the following components have been upgraded and need to be downgraded:
Non-core cluster components: Falcon, Oozie, Hive
Core slave nodes: DataNodes, NodeManager, RegionServer
Core masters: HDFS, YARN, HBase
Ranger
Zookeeper
At this stage, the following components have been upgraded and need to be downgraded:
Non-core cluster components: Falcon, Oozie, Hive
Core slave nodes: DataNodes, NodeManager, RegionServer
Core masters: HDFS, YARN, HBase
Ranger
Zookeeper
