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Hadoop >> mail # general >> Apache Hadoop 2.x is now GA with release of hadoop-2.2.0

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RE: Apache Hadoop 2.x is now GA with release of hadoop-2.2.0
Congratulations to the team.

S Reddy
On Oct 15, 2013 11:15 PM, "Kapil Mehrotra" <

> Congratulations Arun....
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> Kapil Mehrotra
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> -----Original Message-----
> From: Arun C Murthy [mailto:[EMAIL PROTECTED]]
> Sent: 16 October 2013 11:19
> Subject: Apache Hadoop 2.x is now GA with release of hadoop-2.2.0
> All,
>  I'm very happy announce that the Apache Hadoop community has released
> hadoop-2.2.0, 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
>  Please see the Hadoop 2.2.0 Release Notes for details.
>  Congratulations to the entire community, this is a big deal!
> thanks,
> Arun
> P.S.: 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.
> --
> Arun C. Murthy
> Hortonworks Inc.
> http://hortonworks.com/
> --
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