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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
Great news.

Many congratulations to all who are behind this work
On 16/10/2013 4:49 PM, "Arun C Murthy" <[EMAIL PROTECTED]> wrote:

> 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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