Release Notes
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Technical Preview Features

The following features are available within HDP 2.5.0 but are not ready for production deployment. Hortonworks encourages you to explore these technical preview features in non-production environments and provide feedback on your experiences through the Hortonworks Community Forums.

Table 1.5. Technical Previews

ComponentFeature

Atlas

New in this release:

HBase and Phoenix

New in this release:

  • Backup and restore

  • Phoenix operability with Microsoft .NET Driver

  • Phoenix Storage Handler for Hive integration

Introduced in a previous release:

  • Cell-level ACLs

  • Column Family Encryption

  • Phoenix-Spark Integration

  • RPC Throttling

  • Support for init.d scripts

Hive

New in this release:

  • Stored Procedures Client-Side

  • LLAP Daemons (HIVE-7193)

  • LLAP / Spark security interface

  • Hive 2.1

  • Phoenix Storage Handler for Hive integration

Slider

Introduced in a previous release:

  • Support for Docker-based application packaging (SLIDER-780)

Spark

New in this release:

  • DataSet API

  • GraphX

  • Spark 2.0

Storm

New in this release:

  • Automatic back pressure

  • Pacemaker daemon

  • Resource-aware scheduling

  • Connectivity Enhancements: Kinesis spout, openTSDB bolt, new Kafka Consumer spout

YARN

Introduced in a previous release:

  • Add support for network I/O isolation/scheduling for containers (YARN-2140)

  • NodeManager: add cgroup support for disk I/O isolation (YARN-2619)

Zeppelin

New in this release:

  • Support for Phoenix interpreter.