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Re: How to modify the Map-Reduce execution order? - MapReduce - [mail # dev]
...You might be interested in Apache Tez which provides native support for these sort of scenarios by being a super-set of MapReduce:  http://tez.incubator.apache.org/  Arun  On ...
   Author: Arun C Murthy, 2013-10-18, 21:06
Re: Yarn never use TeraSort#TotalOrderPartitioner when run TeraSort job? - MapReduce - [mail # user]
...Apologies for the late response.  In hadoop-2 TeraSort uses the new org.apache.hadoop.mapreduce apis (not org.apache.hadoop.mapred).  Did you fiddle with the right TotalOrderPartit...
   Author: Arun C Murthy, 2013-10-18, 21:03
Re: Hadoop 2.2.0 docs - MapReduce - [mail # user]
...Try this?  http://hadoop.apache.org/docs/r2.2.0/hadoop-project-dist/hadoop-common/SingleCluster.html http://hadoop.apache.org/docs/r2.2.0/hadoop-project-dist/hadoop-common/ClusterSetup....
   Author: Arun C Murthy, 2013-10-18, 21:00
Re: [VOTE] Release Apache Hadoop 2.2.0 - MapReduce - [mail # dev]
...With 31 +1s (15 binding) and no -1s the vote passes.   Congratulations to all, Hadoop 2 is now GA!  thanks, Arun  On Oct 7, 2013, at 12:00 AM, Arun C Murthy  wrote:  ...
   Author: Arun C Murthy, 2013-10-16, 04:35
Re: Job initialization failed: java.lang.NullPointerException at resolveAndAddToTopology - MapReduce - [mail # user]
...Please ask CDH lists.   Arun  On Oct 11, 2013, at 4:59 AM, fab wol  wrote:   Arun C. Murthy Hortonworks Inc. http://hortonworks.com/    CONFIDENTIALITY NOTICE N...
   Author: Arun C Murthy, 2013-10-15, 02:01
Re: Hadoop Jobtracker cluster summary of heap size and OOME - MapReduce - [mail # user]
...Please don't cross-post.  HADOOP_HEAPSIZE of 1024 is too low. You might want to bump it up to 16G or more, depending on: * #jobs * Scheduler you use.  Arun  On Oct 11, 2013, a...
   Author: Arun C Murthy, 2013-10-15, 01:59
Re: How to get the read and write time of a hadoop job? - MapReduce - [mail # user]
...Every job has a job-history file which has a lot of stats. You can use 'rumen' to parse them. Rumen is included in every hadoop release.  hth, Arun  On Oct 7, 2013, at 7:41 AM, Yon...
   Author: Arun C Murthy, 2013-10-07, 21:03
Re: Single Yarn Client -- multiple applications? - MapReduce - [mail # user]
...Nope, no issues.  On Oct 3, 2013, at 3:44 AM, Krishna Kishore Bonagiri  wrote:   Arun C. Murthy Hortonworks Inc. http://hortonworks.com/    CONFIDENTIALITY NOTICE NO...
   Author: Arun C Murthy, 2013-10-07, 20:59
Re: Non data-local scheduling - MapReduce - [mail # user]
...It's cluster-wide setting and scheduler-specific.  For CS please set yarn.scheduler.capacity.node-locality-delay to #machines you have in your rack (typically 20 or 40).   Looks li...
   Author: Arun C Murthy, 2013-10-07, 20:58
Re: 2.1.2 (Was: Re: [VOTE] Release Apache Hadoop 2.1.1-beta) - MapReduce - [mail # dev]
...Looks like we are all clear now, I'll create an RC presently.  Thanks everyone.  Arun  On Oct 1, 2013, at 8:59 PM, Arun C Murthy  wrote:   Arun C. Murthy Hortonworks...
   Author: Arun C Murthy, 2013-10-07, 04:26
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