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/ > > > > -- > CONFIDENTIALITY NOTICE > NOTICE: This message is intended for the use of the individual or entity to > which it is addressed and may contain information that is confidential, > privileged and exempt from disclosure under applicable law. If the reader > of this message is not the intended recipient, you are hereby notified that > any printing, copying, dissemination, distribution, disclosure or > forwarding of this communication is strictly prohibited. If you have > received this communication in error, please contact the sender immediately > and delete it from your system. Thank You. >
