title: Release 2.6.0 available date: 2014-11-18
Apache Hadoop 2.6.0 contains a number of significant enhancements such as:
- Hadoop Common
- HADOOP-10433 - Key management server (beta)
- HADOOP-10607 - Credential provider (beta)
- Hadoop HDFS
- Heterogeneous Storage Tiers - Phase 2
- HDFS-5682 - Application APIs for heterogeneous storage
- HDFS-7228 - SSD storage tier
- HDFS-5851 - Memory as a storage tier (beta)
- HDFS-6584 - Support for Archival Storage
- HDFS-6134 - Transparent data at rest encryption (beta)
- HDFS-2856 - Operating secure DataNode without requiring root access
- HDFS-6740 - Hot swap drive: support add/remove data node volumes without restarting data node (beta)
- HDFS-6606 - AES support for faster wire encryption
- Hadoop YARN
- YARN-896 - Support for long running services in YARN
- YARN-913 - Service Registry for applications
- YARN-666 - Support for rolling upgrades
- YARN-556 - Work-preserving restarts of ResourceManager
- YARN-1336 - Container-preserving restart of NodeManager
- YARN-796 - Support node labels during scheduling
- YARN-1051 - Support for time-based resource reservations in Capacity Scheduler (beta)
- YARN-1964 - Support running of applications natively in Docker containers (alpha)
Please see the Hadoop 2.6.0 Release Notes for details.