Folks,
It gives me great pleasure to announce that the Apache Hadoop community has
voted to release Apache Hadoop 2.6.0.
Hadoop 2.6.0 is the fourth major release for the year 2014 in the hadoop-2.x
line, and brings a huge number of enhancements to the core platform - both HDFS
& YARN.
This release has nearly 900 resolved issues:
• Hadoop Common: 231 JIRAs resolved
• Hadoop HDFS: 305 JIRAs resolved
• Hadoop YARN: 290 JIRAs resolved
• Hadoop MapReduce: 70 JIRAs resolved
Some highlights:
• 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-1492 - Global, shared cache for application artifacts
(beta)
• YARN-1964 - Support running of applications natively in
Docker containers (alpha)
Of course, a number of bug-fixes, enhancements etc. have also made it into
hadoop-2.6.0; there-by continuing to improve Apache Hadoop. Please see the
release notes for more details.
Thanks to all those who contributed to the release!
Arun
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