Arun C Murthy 2013-10-16, 05:49
Jun Ping Du 2013-10-17, 00:17
Kapil Mehrotra 2013-10-16, 06:11
Shankar Reddy 2013-10-16, 06:44
Binglin Chang 2013-10-16, 06:24
Many congratulations to all who are behind this work
On 16/10/2013 4:49 PM, "Arun C Murthy" <[EMAIL PROTECTED]> wrote:
> 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
> • 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!
> 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.
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Darren Haas 2013-10-16, 06:08