At this stage, the following components have been upgraded and need to be downgraded:
Slider
Components outside of the cluster: Hue, Kafka, Storm
Knox
Non-core cluster components: Falcon, Oozie, Hive
Core slave nodes: DataNodes, NodeManager, RegionServer
Core masters: HDFS, YARN, HBase
Ranger
Zookeeper
To downgrade Slider, just uninstall the version to be removed. Use the Slider version command to verify that Slider was downgraded:
./slider version
During the downgrade process, existing Slider applications will continue to run, using the version of the libraries they were launched with. We recommend that you retain the newer version of Slider until applications finish that were started with the newer version.
Continue with the next downgrade step.
