Technical Preview Features

The following features are available within HDP 2.3.2, 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.

Table 1.1. Technical Previews

Component	Feature
Cloudbreak	Autoscaling (previously called Periscope) of a cluster
HBase and Phoenix	Phoenix Query Server Phoenix Query Server (PHOENIX-971) Phoenix-Spark Integration RPC Throttling Support for `init.d` scripts
Hive	Hive ACID Hive Streaming
Kafka	SSL
Slider	Support for Docker-based application packaging (SLIDER-780)
Spark	DataFrame API (SPARK-5097) Dynamic Executor Allocation SparkSQL, programmatically with SQLContext (not supported with Thrift Server - JDBC/ODBC) SparkSQL thrift JDBC/ODBC Server Spark Streaming
YARN	Add support for network I/O isolation/scheduling for containers (YARN-2140) NodeManager: add cgroup support for disk I/O isolation (YARN-2619)

​Technical Preview Features

Technical Preview Features