Releases Archive
- IMPORTANT notes
- This release drops support for JDK6 runtime and works with JDK 7+ only.
- This release is not yet ready for production use. Critical issues are being ironed out via testing and downstream adoption. Production users should wait for a 2.7.1/2.7.2 release.
- Hadoop Common
- HADOOP-9629 - Support Windows Azure Storage - Blob as a file system in Hadoop.
- Hadoop HDFS
- HDFS-3107 - Support for file truncate
- HDFS-7584 - Support for quotas per storage type
- HDFS-3689 - Support for files with variable-length blocks
- Hadoop YARN
- YARN-3100 - Make YARN authorization pluggable
- YARN-1492 - Automatic shared, global caching of YARN localized resources (beta)
- Hadoop MapReduce
- MAPREDUCE-5583 - Ability to limit running Map/Reduce tasks of a job
- MAPREDUCE-4815 - Speed up FileOutputCommitter for very large jobs with many output files.
- 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)
- Authentication improvements when using an HTTP proxy server.
- A new Hadoop Metrics sink that allows writing directly to Graphite.
- Specification for Hadoop Compatible Filesystem effort.
- Support for POSIX-style filesystem extended attributes.
- OfflineImageViewer to browse an fsimage via the WebHDFS API.
- Supportability improvements and bug fixes to the NFS gateway.
- Modernized web UIs (HTML5 and Javascript) for HDFS daemons.
- YARN’s REST APIs support submitting and killing applications.
- Kerberos integration for the YARN’s timeline store.
- FairScheduler allows creating user queues at runtime under any specified parent queue.
- CVE-2014-0229: Add privilege checks to HDFS admin sub-commands refreshNamenodes, deleteBlockPool and shutdownDatanode.
- Support for Access Control Lists in HDFS
- Native support for Rolling Upgrades in HDFS
- Usage of protocol-buffers for HDFS FSImage for smooth operational upgrades
- Complete HTTPS support in HDFS
- Support for Automatic Failover of the YARN ResourceManager
- Enhanced support for new applications on YARN with Application History Server and Application Timeline Server
- Support for strong SLAs in YARN CapacityScheduler via Preemption
- Support for Heterogeneous Storage hierarchy in HDFS.
- In-memory cache for HDFS data with centralized administration and management.
- Simplified distribution of MapReduce binaries via HDFS in YARN Distributed Cache.
Release 2.7.0 available
2015 Apr 21
Apache Hadoop 2.7.0 contains a number of significant enhancements. A few of them are noted below.
Please see the Hadoop 2.7.0 Release Notes for details.
Release 2.5.2 available
2014 Nov 19
Apache Hadoop 2.5.2 is a point release in the 2.5.x release line, and fixes a few critical issues in 2.5.1
Release 2.6.0 available
2014 Nov 18
Apache Hadoop 2.6.0 contains a number of significant enhancements such as:
Please see the Hadoop 2.6.0 Release Notes for details.
Release 2.5.1 available
2014 Sep 12
Apache Hadoop 2.5.1 is a point release in the 2.5.x release line, and fixes a few release issues with 2.5.0.
Release 2.5.0 available
2014 Aug 11
Apache Hadoop 2.5.0 is a minor release in the 2.x release line.
The release includes the following major features and improvements:
Users are encouraged to try out 2.5.0
Please see the Hadoop 2.5.0 Release Notes for details.
Release 2.4.1 available
2014 Jun 30
Apache Hadoop 2.4.1 is a bug-fix release for the stable 2.4.x line.
There is also a security bug fix in this minor release.
Users are encouraged to immediately move to 2.4.1.
Please see the Hadoop 2.4.1 Release Notes for details.
Release 0.23.11 available
2014 Jun 27
A point release for the 0.23.X line. Bug fixes to continue stabilization.
Please see the Hadoop 0.23.11 Release Notes for details.
Release 2.4.0 available
2014 Apr 7
Apache Hadoop 2.4.0 contains a number of significant enhancements such as:
Please see the Hadoop 2.4.0 Release Notes for details.
Release 2.3.0 available
2014 Feb 20
Apache Hadoop 2.3.0 contains a number of significant enhancements such as:
Please see the Hadoop 2.3.0 Release Notes for details.
Release 0.23.10 available
2013 Dec 11
A point release for the 0.23.X line. Bug fixes to continue stabilization.
Please see the Hadoop 0.23.10 Release Notes for details.