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[MAPREDUCE-4808] Refactor MapOutput and MergeManager to facilitate reuse by Shuffle implementations - MapReduce - [issue]
...Now that Shuffle is pluggable (MAPREDUCE-4049), it would be convenient for alternate implementations to be able to reuse portions of the default implementation. This would come with the stro...
http://issues.apache.org/jira/browse/MAPREDUCE-4808    Author: Arun C Murthy, 2015-04-28, 00:45
[MAPREDUCE-728] Mumak: Map-Reduce Simulator - MapReduce - [issue]
...Vision:We want to build a Simulator to simulate large-scale Hadoop clusters, applications and workloads. This would be invaluable in furthering Hadoop by providing a tool for researchers and...
http://issues.apache.org/jira/browse/MAPREDUCE-728    Author: Arun C Murthy, 2015-04-13, 11:50
[MAPREDUCE-4683] We need to fix our build to create/distribute hadoop-mapreduce-client-core-tests.jar - MapReduce - [issue]
...We need to fix our build to create/distribute hadoop-mapreduce-client-core-tests.jar, need this before MAPREDUCE-4253...
http://issues.apache.org/jira/browse/MAPREDUCE-4683    Author: Arun C Murthy, 2015-04-09, 22:58
[MAPREDUCE-2681] Change pipes to use env vars for stdout/stderr files - MapReduce - [issue]
...Change pipes to use env vars for stdout/stderr files, currently they are hard-coded. This is important for MAPREDUCE-279....
http://issues.apache.org/jira/browse/MAPREDUCE-2681    Author: Arun C Murthy, 2015-03-10, 01:42
[MAPREDUCE-3089] Augment TestRMContainerAllocator to verify MAPREDUCE-2646 - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-3089    Author: Arun C Murthy, 2015-03-09, 20:26
[MAPREDUCE-3563] LocalJobRunner doesn't handle Jobs using o.a.h.mapreduce.OutputCommitter - MapReduce - [issue]
...LocalJobRunner doesn't handle Jobs using o.a.h.mapreduce.OutputCommitter, ran into this debugging PIG-2347....
http://issues.apache.org/jira/browse/MAPREDUCE-3563    Author: Arun C Murthy, 2015-02-12, 10:15
[MAPREDUCE-636] Inconsistency in config parameter for RandomWriter - MapReduce - [issue]
...All configuration parameters for RandomWriter start with the suffix test.randomwrite, except for test.randomwriter.maps_per_host. Minor inconsistency to fix....
http://issues.apache.org/jira/browse/MAPREDUCE-636    Author: Arun C Murthy, 2015-02-10, 22:13
[MAPREDUCE-3902] MR AM should reuse containers for map tasks, there-by allowing fine-grained control on num-maps for users without need for CombineFileInputFormat etc. - MapReduce - [issue]
...The MR AM is now in a great position to reuse containers across (map) tasks. This is something similar to JVM re-use we had in 0.20.x, but in a significantly better manner: Consider data-loc...
http://issues.apache.org/jira/browse/MAPREDUCE-3902    Author: Arun C Murthy, 2014-12-04, 05:46
[MAPREDUCE-4421] Run MapReduce framework via the distributed cache - MapReduce - [issue]
...Currently MR AM depends on MR jars being deployed on all nodes via implicit dependency on YARN_APPLICATION_CLASSPATH. We should stop adding mapreduce jars to YARN_APPLICATION_CLASSPATH and, ...
http://issues.apache.org/jira/browse/MAPREDUCE-4421    Author: Arun C Murthy, 2014-11-25, 16:37
Re: [VOTE] Release Apache Hadoop 2.6.0 - MapReduce - [mail # dev]
...Tsuyoshi, I think you have to pass along -Pdist too… afaik that is how the Jenkins we use for building release artifacts operates.  For now, I've marked HADOOP-11316 for inclu...
   Author: Arun C Murthy, 2014-11-18, 16:28
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB