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From Sunil G <sun...@apache.org>
Subject [ANNOUNCE] Apache Hadoop 3.2.0 release
Date Tue, 22 Jan 2019 12:31:39 GMT
Greetings all,

It gives me great pleasure to announce that the Apache Hadoop community has
voted to
release Apache Hadoop 3.2.0.

Apache Hadoop 3.2.0 is the first release of Apache Hadoop 3.2 line for the
year 2019,
which includes 1092 fixes since previous Hadoop 3.1.0 release.
Of these fixes:
   - 230 in Hadoop Common
   - 344 in HDFS
   - 484 in YARN
   - 34 in MapReduce

Apache Hadoop 3.2.0 contains a number of significant features and
enhancements.
A few of them are noted as below.

- ABFS Filesystem connector : supports the latest Azure Datalake Gen2
Storage.
- Enhanced S3A connector : including better resilience to throttled AWS S3
and
  DynamoDB IO.
- Node Attributes Support in YARN : helps to tag multiple labels on the
nodes based
  on its attributes and supports placing the containers based on expression
of these labels.
- Storage Policy Satisfier : supports HDFS (Hadoop Distributed File System)
applications to
  move the blocks between storage types as they set the storage policies on
files/directories.
- Hadoop Submarine : enables data engineers to easily develop, train and
deploy deep learning
  models (in TensorFlow) on very same Hadoop YARN cluster.
- C++ HDFS client : helps to do async IO to HDFS which helps downstream
projects such as
  Apache ORC;
- Upgrades for long running services : supports in-place seamless upgrades
of long running
  containers via YARN Native Service API and CLI.

* For major changes included in Hadoop 3.2 line, please refer Hadoop
3.2.0 main page [1].
* For more details about fixes in 3.2.0 release, please read the
CHANGELOG [2] and RELEASENOTES [3].

The release news is posted on the Hadoop website too, you can go to
the downloads section directly [4].

Many thanks to everyone who contributed to the release, and everyone in the
Apache Hadoop community! This release is a direct result of your great
contributions.
Many thanks to Wangda Tan, Vinod Kumar Vavilapalli and Marton Elek who
helped in
this release process.

[1] https://hadoop.apache.org/docs/r3.2.0/
[2]
https://hadoop.apache.org/docs/r3.2.0/hadoop-project-dist/hadoop-common/release/3.2.0/CHANGELOG.3.2.0.html
[3]
https://hadoop.apache.org/docs/r3.2.0/hadoop-project-dist/hadoop-common/release/3.2.0/RELEASENOTES.3.2.0.html
[4] https://hadoop.apache.org/releases.html

Many Thanks,
Sunil Govindan

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