The following Apache Components are shipped as part of HDP 2.1 HDFS, but are not supported:
NameNode Federation (Apache JIRA HDFS-1052)
viewFS (Apache JIRA HADOOP-7257)
viewFS (Apache JIRA HADOOP-7257)
The following Apache Components are shipped as part of HDP 2.1 YARN, but are not supported:
Resource Manager HA
Application Timeline Server (Hive-on-Tez metrics)
Capacity Schedule Pre-emption
AM failure/restart resiliency
MapReduce Uper AM
YARN CGrouop resource isolation
Admin Node labels
CPU Scheduling
Anti-Affinity for container requests
Secure token renewal for long-running clusters
Fair Scheduler
MapReduce Eclipse Plug-in
