Community Features

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	Important
	Hortonworks strongly recommends that all users running HDP 2.3.4 upgrade to HDP 2.3.4.7.

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.

Table 1.3. Community Features

Component	Feature
Falcon	Prism Server User Recipes
HBase	HBase Column Family Encryption: use HDFS data at rest encryption instead Use of memcached as block cache is unsupported (HBASE-13170) ZooKeeper-less region assignment Region size balancing (HBASE-13103)
HDFS	block-volume device choosing (HDFS-1804) NameNode Federation (HDFS-1052) viewFS (HADOOP-7257)
Kafka	Mirror Maker (not supported when Kafka security is active) New Consumer API
Knox	Storm REST APIs
Oozie	Spark action (OOZIE-1983)
Slider	Simplified Application Packaging
Spark	Spark Standalone
YARN	Fair Scheduler MapReduce Eclipse Plug-in MapReduce Uber AM

​Community Features