The following features are developed and tested by the community, but are not officially supported by Hortonworks. There are variety of reasons that these features are excluded, including: insufficient reliability or incomplete test case coverage, declaration of non-production readiness by the community at large, feature deviates from Hortonworks best practices, and more. Do not use them in your production environments.
The following features are shipped as part of HDP 2.2 HDFS, but are not supported:
NameNode Federation (HDFS-1052)
viewFS (HADOOP-7257)
block-volume device choosing (HDFS-1804)
Disable File channel dual checkpointing on Windows (FLUME-2224)
Disable Morphline Sink and Kite Dataset sinks on Windows Builds (FLUME-2467)
The following Apache components are shipped as part of HDP 2.2 YARN, but are not supported:
Fair Scheduler
MapReduce Uber AM
MapReduce Eclipse Plug-in
The following components are shipped as part of HDP 2.2 Spark, but not supported:
Spark Standalone
BlinkDB
GraphX
The following components are shipped as part of HDP 2.2 Kafka, but not supported:
Delete Topic
