HDP-2.3.2 Release Notes
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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

ComponentFeature

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)