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Apache Hadoop Releases
Hadoop is released as source code tarballs with corresponding binary
tarballs for convenience. The downloads are distributed via mirror
sites and should be checked for tampering using GPG or SHA-256.
Release Date
03 September, 2016
25 August, 2016
08 October, 2016
19 Nov, 2014
To verify Hadoop releases using GPG:
Download the release hadoop-X.Y.Z-src.tar.gz from a
Download the signature file hadoop-X.Y.Z-src.tar.gz.asc from
Download the
gpg --import KEYS
gpg --verify hadoop-X.Y.Z-src.tar.gz.asc
To perform a quick check using SHA-256:
Download the release hadoop-X.Y.Z-src.tar.gz from a
Download the checksum hadoop-X.Y.Z-src.tar.gz.mds from
shasum -a 256 hadoop-X.Y.Z-src.tar.gz
All previous releases of Hadoop are available from the
Many third parties distribute products that include Apache Hadoop
and related tools. Some of these are listed on the
Release Notes
08 October, 2016: Release 2.6.5 available
A point release for the 2.6 line.
Please see the
for the list of 79 bug fixes and
patches since the previous release 2.6.4.
03 September, 2016: Release 3.0.0-alpha1 available
This is the first alpha in a series of planned alphas and betas leading up to a 3.0.0 GA release.
The intention is to "release early, release often" to quickly iterate on feedback collected from downstream users.
Please note that alpha releases come with no guarantees of quality or API stability, and are not intended for
production use.
Users are encouraged to read the
coming in 3.0.0.
detail all the changes since the previous minor release 2.7.0.
25 August, 2016: Release 2.7.3 available
A point release for the 2.7 line.
Please see the
for the list of 221 bug fixes and
patches since the previous release 2.7.2.
11 February, 2016: Release 2.6.4 available
A point release for the 2.6 line.
Please see the
for the list of 46 bug fixes and
patches since the previous release 2.6.3.
25 January, 2016: Release 2.7.2 (stable) available
A point release for the 2.7 line.
Please see the
for the list of 155 bug fixes and
patches since the previous release 2.7.1.
17 December, 2015: Release 2.6.3 available
Apache Hadoop 2.6.3 is a point release in the 2.6.x release line,
and fixes a few critical issues in 2.6.2.
Please see the
for details.
28 October, 2015: Release 2.6.2 available
Apache Hadoop 2.6.2 is a point release in the 2.6.x release line,
and fixes a few critical issues in 2.6.1.
Please see the
for details.
23 September, 2015: Release 2.6.1 available
Apache Hadoop 2.6.1 is a point release in the 2.6.x release line,
and fixes a lot of critical issues in 2.6.0.
Please see the
for details.
06 July, 2015: Release 2.7.1 (stable) available
A point release for the 2.7 line. This release is now considered
Please see the
for the list of 131 bug fixes and
patches since the previous release 2.7.0. Please look at the
2.7.0 section below for the list of enhancements enabled by this
first stable release of 2.7.x.
21 April 2015: Release 2.7.0 available
Apache Hadoop 2.7.0 contains a number of significant
enhancements. A few of them are noted below.
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
Hadoop Common
- Support Windows Azure Storage - Blob as a file
system in Hadoop.
Hadoop HDFS
- Support for file truncate
- Support for quotas per storage type
- Support for files with variable-length blocks
Hadoop YARN
- Make YARN authorization pluggable
- Automatic shared, global caching of YARN localized resources
Hadoop MapReduce
- Ability to limit running Map/Reduce tasks of a job
- Speed up FileOutputCommitter for very large jobs with many
output files.
Please see the
for details.
18 November, 2014: Release 2.6.0 available
Apache Hadoop 2.6.0 contains a number of significant
enhancements such as:
Hadoop Common
- Key management server (beta)
- Credential provider (beta)
Hadoop HDFS
Heterogeneous Storage Tiers - Phase 2
- Application APIs for heterogeneous storage
- SSD storage tier
- Memory as a storage tier (beta)
- Support for Archival Storage
- Transparent data at rest encryption (beta)
- Operating secure DataNode without requiring root
- Hot swap drive: support add/remove data node volumes
without restarting data node (beta)
- AES support for faster wire encryption
Hadoop YARN
- Support for long running services in YARN
- Service Registry for applications
- Support for rolling upgrades
- Work-preserving restarts of ResourceManager
- Container-preserving restart of NodeManager
- Support node labels during scheduling
- Support for time-based resource reservations in
Capacity Scheduler (beta)
- Support running of applications natively in
Docker containers (alpha)
Please see the
for details.
19 November, 2014: Release 2.5.2 available
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
12 September, 2014: Relase 2.5.1 available
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.
11 August, 2014: Release 2.5.0 available
Apache Hadoop 2.5.0 is a minor release in the 2.x release
The release includes the following major features and improvements:
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.
Users are encouraged to try out 2.5.0
Please see the
for details.
30 June, 2014: Release 2.4.1 available
Apache Hadoop 2.4.1 is a bug-fix release for the stable 2.4.x
There is also a security bug fix in this minor release.
CVE-: Add privilege checks to HDFS admin
sub-commands refreshNamenodes, deleteBlockPool and
shutdownDatanode.
Users are encouraged to immediately move to 2.4.1.
Please see the
for details.
27 June, 2014: Release 0.23.11 available
A point release for the 0.23.X line. Bug fixes to continue stabilization.
Please see the
for details.
07 April, 2014: Release 2.4.0 available
Apache Hadoop 2.4.0 contains a number of significant
enhancements such as:
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
Please see the
for details.
20 February, 2014: Release 2.3.0 available
Apache Hadoop 2.3.0 contains a number of significant
enhancements such as:
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.
Please see the
for details.
11 December, 2013: Release 0.23.10 available
A point release for the 0.23.X line. Bug fixes to continue stabilization.
Please see the
for details.
15 October, 2013: Release 2.2.0 available
Apache Hadoop 2.2.0 is the GA
release of Apache Hadoop 2.x.
Users are encouraged to immediately move to 2.2.0 since
this release is significantly more stable and is guaranteed to remain
compatible in terms of both APIs and protocols.
To recap, this release has a number of significant
highlights compared to Hadoop 1.x:
YARN - A general purpose resource management system for Hadoop to allow MapReduce and other other data processing frameworks and services
High Availability for HDFS
HDFS Federation
HDFS Snapshots
NFSv3 access to data in HDFS
Support for running Hadoop on Microsoft Windows
Binary Compatibility for MapReduce applications built on hadoop-1.x
Substantial amount of integration testing with rest of projects in the ecosystem
A couple of important points to note while upgrading to hadoop-2.2.0:
HDFS - The HDFS community decided to push the symlinks feature out to a future 2.3.0 release and is currently disabled.
YARN/MapReduce - Users need to change ShuffleHandler service name from mapreduce.shuffle to mapreduce_shuffle.
Please see the
for details.
23 September, 2013: Release 2.1.1-beta available
Apache Hadoop 2.1.1-beta is a bug-fix version of the beta
release of Apache Hadoop 2.x.
Please see the
for details.
25 August, 2013: Release 2.1.0-beta available
Apache Hadoop 2.1.0-beta is the beta
release of Apache Hadoop 2.x.
Users are encouraged to immediately move to 2.1.0-beta since
this release is significantly more stable and has completley
whetted set of APIs and wire-protocols for future compatibility.
In addition, this release has a number of other significant
highlights:
HDFS Snapshots
Support for running Hadoop on Microsoft Windows
YARN API stabilization
Binary Compatibility for MapReduce applications built on hadoop-1.x
Substantial amount of integration testing with rest of projects in the ecosystem
Please see the
for details.
23 August, 2013: Release 2.0.6-alpha available
This release delivers a number of critical bug-fixes for
hadoop-2.x uncovered during integration testing of previous
Please see the
for details.
1 Aug, 2013: Release 1.2.1 (stable) available
A point release for the 1.2 line. This release is now considered stable.
Please see the
for the list of 18 bug fixes and patches since the previous release 1.2.0.
8 July, 2013: Release 0.23.9 available
A point release for the 0.23.X line. Bug fixes to continue stabilization.
Please see the
for details.
6 June, 2013: Release 2.0.5-alpha available
This release delivers a number of critical bug-fixes for
hadoop-2.x uncovered during integration testing of previous
Please see the
for details.
5 June, 2013: Release 0.23.8 available
A point release for the 0.23.X line. Bug fixes to continue stabilization.
Please see the
for details.
13 May, 2013: Release 1.2.0 available
This is a beta release for version 1.2.
This release delivers over 200 enhancements and bug-fixes,
compared to the previous 1.1.2 release.
Major enhancements include:
DistCp v2 backported
Web services for JobTracker
WebHDFS enhancements
Extensions of task placement and replica placement policy interfaces
Offline Image Viewer backported
Namenode more robust in case of edit log corruption
Add NodeGroups level to NetworkTopology
Add "unset" to Configuration API
Please see the
for more details.
25 April, 2013: Release 2.0.4-alpha available
This release delivers a number of critical bug-fixes for
hadoop-2.x uncovered during integration testing.
Please see the
for details.
18 April, 2013: Release 0.23.7 available
A point release for the 0.23.X line. Bug fixes to continue stabilization.
Please see the
for details.
15 February, 2013: Release 1.1.2 available
Point release for the 1.1.X line. Bug fixes and improvements, as documented in the .
14 February, 2013: Release 2.0.3-alpha available
This is the latest (alpha) version in the hadoop-2.x series.
This release delivers significant major features and stability
over previous releases in hadoop-2.x series:
QJM for HDFS HA for NameNode
Multi-resource scheduling (CPU and memory) for YARN
YARN ResourceManager Restart
Significant stability at scale for YARN (over 30,000 nodes
and 14 million applications so far, at time of release)
This release, like previous releases in hadoop-2.x series is
still considered alpha primarily since some of APIs
aren't fully-baked and we expect some churn in future.
Furthermore, please note that there are some API changes from
previous hadoop-2.0.2-alpha release and applications will need
to recompile against hadoop-2.0.3-alpha.
Please see the
for details.
7 February, 2013: Release 0.23.6 available
A point release for the 0.23.X line. Bug fixes to continue stabilization.
Please see the
for details.
1 December, 2012: Release 1.1.1 available
Point release for the 1.1.X line. Bug fixes and improvements, as documented in the .
28 November, 2012: Release 0.23.5 available
A point release for the 0.23.X line. Bug fixes to continue stabilization.
Please see the
for details.
15 October, 2012: Release 0.23.4 available
A point release for the 0.23.X line.
Most notably this release now incluses support for upgrading
a 1.X HDFS cluster with append/synch enabled.
Please see the
for details.
13 October, 2012: Release 1.1.0 available
This is a beta release for version 1.1.
This release has approximately 135 enhancements and bug fixes compared to Hadoop-1.0.4, including:
Many performance improvements in HDFS, backported from trunk
Improvements in Security to use SPNEGO instead of Kerberized SSL for HTTP transactions
Lower default minimum heartbeat for task trackers from 3 sec to 300msec to increase job throughput on small clusters
Port of Gridmix v3
Set MALLOC_ARENA_MAX in hadoop-config.sh to resolve problems with glibc in RHEL-6
Splittable bzip2 files
Of course it also has the same security fix as release 1.0.4.
Please see the
for details.
12 October, 2012: Release 1.0.4 available
This is a Security Patch release for version 1.0.
There are four bug fixes and feature enhancements in this minor release:
Security issue CVE-: Hadoop tokens use a 20-bit secret
HADOOP-7154 - set MALLOC_ARENA_MAX in hadoop-config.sh to resolve problems with glibc in RHEL-6
HDFS-3652 - FSEditLog failure removes the wrong edit stream when storage dirs have same name
MAPREDUCE-4399 - Fix (up to 3x) performance regression in shuffle
Please see the
for details.
9 October, 2012: Release 2.0.2-alpha available
This is the second (alpha) version in the hadoop-2.x series.
This delivers significant enhancements to HDFS HA. Also it has a
significantly more stable version of YARN which, at the time of
release, has already been deployed on a 2000 node cluster.
Please see the
for details.
17 September, 2012: Release 0.23.3 available
This release contains YARN and MRv2 but does not have Name Node High Avalability
Please see the
for details.
26 July, 2012: Release 2.0.1-alpha available
This release contains important security fixes over hadoop-2.0.0-alpha.
Please see the
for details.
23 May, 2012: Release 2.0.0-alpha available
This is the first (alpha) version in the hadoop-2.x series.
This delivers significant major features over the currently
stable hadoop-1.x series including:
HDFS HA for NameNode (manual failover)
YARN aka NextGen MapReduce
HDFS Federation
Performance
Wire-compatibility for both HDFS and YARN/MapReduce (using protobufs)
Please see the
for details.
16 May, 2012: Release 1.0.3 available
This is a bug fix release for version 1.0.
Bug fixes and feature enhancements in this minor release include:
4 patches in support of non-Oracle JDKs
several patches to clean up error handling and log messages
various production issue fixes
Please see the
for details.
3 Apr, 2012: Release 1.0.2 available
This is a bug fix release for version 1.0.
Bug fixes and feature enhancements in this minor release include:
Snappy compressor/decompressor is available
Occassional deadlock in metrics serving thread fixed
64-bit secure datanodes failed to start, now fixed
Changed package names for 64-bit rpm/debs to use ".x86_64." instead of ".amd64."
Please see the
for details.
10 Mar, 2012: Release 1.0.1 available
This is a bug fix release for version 1.0.
This release is now considered stable, replacing the
long-standing 0.20.203.
Bug fixes in this minor release include:
Added hadoop-client and hadoop-minicluster artifacts for
ease of client install and testing
Support run-as-user in non-secure mode
Better compatibility with Ganglia, HBase, and Sqoop
Please see the
for details.
27 Feb, 2012: release 0.23.1 available
This is the second alpha version of the hadoop-0.23 major
release after the first alpha 0.23.0. This release
has significant improvements compared to 0.23.0 but should still
be considered as alpha-quality and not for production use.
hadoop-0.23.1 contains several major advances from 0.23.0:
Lots of bug fixes and improvements in both HDFS and MapReduce
Major performance work to make this release either match
or exceed performance of Hadoop-1 in most aspects of both
HDFS and MapReduce.
Several downstream projects like HBase, Pig, Oozie, Hive
etc. are better integrated with this release
for details.
27 December, 2011: release 1.0.0 available
After six years of gestation, Hadoop reaches 1.0.0!
This release is from the 0.20-security code line, and includes
support for:
HBase (append/hsynch/hflush, and security)
webhdfs (with full support for security)
performance enhanced access to local files for HBase
other performance enhancements, bug fixes, and features
Please see the complete
for details.
10 December, 2011: release 0.22.0 available
This release contains many bug fixes and optimizations compared to
its predecessor 0.21.0. See the
for details. Alternatively, you can look at the complete
The following features are not supported in Hadoop 0.22.0.
Latest optimizations of the MapReduce framework introduced
in the Hadoop 0.20.security line of releases.
Disk-fail-in-place.
JMX-based metrics v2.
Hadoop 0.22.0 features
HBase support with hflush and hsync.
New implementation of file append.
Symbolic links.
BackupNode and CheckpointNode.
Hierarchical job queues.
Job limits per queue/pool.
Dynamically stop/start job queues.
Andvances in new mapreduce API: Input/Output formats, ChainMapper/Reducer.
TaskTracker blacklisting.
DistributedCache sharing.
11 Nov, 2011: release 0.23.0 available
This is the alpha version of the hadoop-0.23 major
release. This is the first release we've made off
Apache Hadoop trunk in a long while. This release is
alpha-quality and not yet ready for serious use.
hadoop-0.23 contains several major advances:
HDFS Federation
NextGen MapReduce (YARN)
It also has several major performance improvements to
both HDFS and MapReduce.
for details.
17 Oct, 2011: release 0.20.205.0 available
This release contains improvements, new features, bug
fixes and optimizations. This release includes rpms and
debs, all duly checksummed and securely signed.
for details.
Alternatively, you can look at the complete .
This release includes a merge of append/hsynch/hflush capabilities from 0.20-append branch, to support HBase in secure mode.
This release includes the new webhdfs file system, but webhdfs write calls currently fail in secure mode.
5 Sep, 2011: release 0.20.204.0 available
This release contains improvements, new features, bug
fixes and optimizations. This release includes rpms and
debs for the first time.
for details.
Alternatively, you can look at the complete .
The RPMs don't work with security turned on. (HADOOP-7599)
The NameNode's edit log needs to be merged into the image
put the NameNode into safe mode
run dfsadmin savenamespace command
perform a normal upgrade
11 May, 2011: release 0.20.203.0 available
This release contains many improvements, new features, bug
fixes and optimizations. It is stable and has been deployed
in large (4,500 machine) production clusters.
for details.
Alternatively, you can look at the complete
23 August, 2010: release 0.21.0 available
This release contains many improvements, new features, bug
fixes and optimizations. It has not undergone testing at scale and should not be considered stable or suitable for production.
This release is being classified as a minor release, which means that it should be API compatible with 0.20.2.
for details.
Alternatively, you can look at the complete
26 February, 2010: release 0.20.2 available
This release contains several critical bug fixes.
for details.
Alternatively, you can look at the complete
14 September, 2009: release 0.20.1 available
This release contains several critical bug fixes.
for details.
Alternatively, you can look at the complete
23 July, 2009: release 0.19.2 available
This release contains several critical bug fixes.
for details.
Alternatively, you can look at the complete
22 April, 2009: release 0.20.0 available
This release contains many improvements, new features, bug
fixes and optimizations.
for details.
Alternatively, you can look at the complete
24 February, 2009: release 0.19.1 available
This release contains many critical bug fixes, including some data loss issues.
The release also introduces an incompatible change by disabling the
file append API ()
until it can be stabilized.
for details.
Alternatively, you can look at the complete
29 January, 2009: release 0.18.3 available
This release contains many critical bug fixes.
for details.
Alternatively, you can look at the complete
21 November, 2008: release 0.19.0 available
This release contains many improvements, new features, bug
fixes and optimizations.
for details.
Alternatively, you can look at the complete
3 November, 2008: release 0.18.2 available
This release contains several critical bug fixes.
for details.
Alternatively, you can look at the complete
17 September, 2008: release 0.18.1 available
This release contains several critical bug fixes.
for details.
Alternatively, you can look at the complete
22 August, 2008: release 0.18.0 available
This release contains many improvements, new features, bug
fixes and optimizations.
for details.
Alternatively, you can look at the complete
19 August, 2008: release 0.17.2 available
This release contains several critical bug fixes.
See the Hadoop 0.17.2 Notes for details.
23 June, 2008: release 0.17.1 available
This release contains many improvements, new features, bug
fixes and optimizations.
See the Hadoop 0.17.1 Notes for details.
20 May, 2008: release 0.17.0 available
This release contains many improvements, new features, bug
fixes and optimizations.
See the Hadoop 0.17.0 Release Notes for details.
5 May, 2008: release 0.16.4 available
This release fixes 4 critical bugs in release 0.16.3.
16 April, 2008: release 0.16.3 available
This release fixes critical bugs in release 0.16.2.
2 April, 2008: release 0.16.2 available
This release fixes critical bugs in release 0.16.1.
HBase has been removed from this release.
HBase releases are now maintained at
13 March, 2008: release 0.16.1 available
This release fixes critical bugs in release 0.16.0.
HBase releases are now maintained at
7 February, 2008: release 0.16.0 available
This release contains many improvements, new features, bug
fixes and optimizations.
See the release notes (above) for details.
When upgrading an existing HDFS filesystem to a 0.16.x
release from an earlier release, you should first start HDFS
with 'bin/start-dfs.sh -upgrade'.
page for details.
18 January, 2008: release 0.15.3 available
This release fixes critical bugs in release 0.15.3.
2 January, 2008: release 0.15.2 available
This release fixes critical bugs in release 0.15.1.
27 November, 2007: release 0.15.1 available
This release fixes critical bugs in release 0.15.0.
26 November, 2007: release 0.14.4 available
This release fixes critical bugs in release 0.14.3.
29 October 2007: release 0.15.0 available
This release contains many improvements, new features, bug
fixes and optimizations.
Notably, this contains the first working version of .
See the release notes (above) for details.
When upgrading an existing HDFS filesystem to a 0.15.x
release from an earlier release, you should first start HDFS
with 'bin/start-dfs.sh -upgrade'.
page for details.
19 October, 2007: release 0.14.3 available
This release fixes critical bugs in release 0.14.2.
4 September, 2007: release 0.14.1 available
New features in release 0.14 include:
Better checksums in HDFS.
Checksums are no longer
stored in parallel HDFS files, but are stored directly by
datanodes alongside blocks.
This is more efficient for the
namenode and also improves data integrity.
Pipes: A C++ API for MapReduce
Eclipse Plugin, including HDFS browsing, job
monitoring, etc.
File modification times in HDFS.
There are many other improvements, bug fixes, optimizations
and new features.
Performance and reliability are better than
When upgrading an existing HDFS filesystem to a 0.14.x
release from a 0.13.x or earlier release, you should first
start HDFS with 'bin/start-dfs.sh -upgrade'.
page for details.