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[MAPREDUCE-97] Increase map/reduce child tasks' heapsize from current default of 200M to 512M - MapReduce - [issue]
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...I guess we should look to check why we get OOMs with 200M, I'd suspect io.sort.mb hogs a lot of the default 200M. However, HADOOP-1867 should be the right way to solve it. For now, I propose...
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http://issues.apache.org/jira/browse/MAPREDUCE-97
Author: Arun C Murthy,
2012-10-17, 06:25
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Re: sorting mechanism - MapReduce - [mail # dev]
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...Look at MapTask.java (MapOutputBuffer) and ReduceTask.java and follow the merge code. Arun On Sep 30, 2012, at 12:06 PM, Samaneh Shokuhi wrote: to Arun C. Murth...
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Author: Arun C Murthy,
2012-10-02, 06:29
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[MAPREDUCE-4681] HDFS-3910 broke MR tests - MapReduce - [issue]
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...HDFS-3910 changed signatures of DFSTestUtil functions and didn't change MR tests....
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http://issues.apache.org/jira/browse/MAPREDUCE-4681
Author: Arun C Murthy,
2012-10-01, 14:15
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[MAPREDUCE-4328] Add the option to quiesce the JobTracker - MapReduce - [issue]
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...In several failure scenarios it would be very handy to have an option to quiesce the JobTracker.Recently, we saw a case where the NameNode had to be rebooted at a customer due to a random ha...
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http://issues.apache.org/jira/browse/MAPREDUCE-4328
Author: Arun C Murthy,
2012-09-27, 23:01
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[MAPREDUCE-4687] Add compilation of 'classic' MR1 (ant based) to jenkins builds - MapReduce - [issue]
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http://issues.apache.org/jira/browse/MAPREDUCE-4687
Author: Arun C Murthy,
2012-09-26, 17:48
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Re: need help submit patch to branch-1 - MapReduce - [mail # dev]
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...Erik, Unfortunately our jenkins bot doesn't support patches for branch-1. Can you pls try running 'ant test test-patch' yourself and attach results to the jira? tha...
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Author: Arun C Murthy,
2012-09-26, 17:39
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Re: Commits breaking compilation of MR 'classic' tests - MapReduce - [mail # dev]
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...Point. I've opened https://issues.apache.org/jira/browse/MAPREDUCE-4687 to track this. On Sep 25, 2012, at 9:33 PM, Eli Collins wrote: wrote: hadoop-mapreduce-project/src/t...
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Author: Arun C Murthy,
2012-09-26, 14:39
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[MAPREDUCE-4683] We need to fix our build to create/distribute hadoop-mapreduce-client-core-tests.jar - MapReduce - [issue]
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...We need to fix our build to create/distribute hadoop-mapreduce-client-core-tests.jar, need this after MAPREDUCE-4253...
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http://issues.apache.org/jira/browse/MAPREDUCE-4683
Author: Arun C Murthy,
2012-09-26, 03:51
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[MAPREDUCE-4684] Mavenize all remaining MR tests - MapReduce - [issue]
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...Mavenize all remaining MR tests - else we run into situations like MAPREDUCE-3681, MAPREDUCE-3682 etc....
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http://issues.apache.org/jira/browse/MAPREDUCE-4684
Author: Arun C Murthy,
2012-09-26, 03:50
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[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]
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...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...
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http://issues.apache.org/jira/browse/MAPREDUCE-3902
Author: Arun C Murthy,
2012-09-24, 08:08
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