2.1. Technical Preview Features

The following features are available within HDP 2.2.8, but are not ready for production deployment. We encourage you to explore these technical preview features in non-production environments and provide feedback on your experiences through the Hortonworks Community Forums.

ComponentFeature

HDFS

  • HDFS Transparent Data at Rest Encryption

Phoenix

  • Phoenix support for local secondary indexes

YARN

  • YARN support for Docker

Spark

  • Spark SQL

  • Spark Streaming

  • Spark DataFrame API

  • ORC file support

  • SparkSQL thrift JDBC/ODBC Server

  • Dynamic Executor Allocation