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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5517) enabling uber mode with 0 reducer still requires mapreduce.reduce.memory.mb to be less than yarn.app.mapreduce.am.resource.mb
Date Tue, 08 Jul 2014 14:06:06 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14054957#comment-14054957
] 

Hudson commented on MAPREDUCE-5517:
-----------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk #1798 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1798/])
MAPREDUCE-5517. Fixed MapReduce ApplicationMaster to not validate reduce side resource configuration
for deciding uber-mode on map-only jobs. Contributed by Siqi Li. (vinodkv: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1608595)
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/job/impl/JobImpl.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/job/impl/TestJobImpl.java


> enabling uber mode with 0 reducer still requires mapreduce.reduce.memory.mb to be less
than yarn.app.mapreduce.am.resource.mb
> -----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5517
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5517
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 2.0.5-alpha
>            Reporter: Siqi Li
>            Assignee: Siqi Li
>            Priority: Minor
>             Fix For: 2.5.0
>
>         Attachments: MAPREDUCE_5517_v3.patch.txt, MAPREDUCE_5517_v4.patch.txt, MAPREDUCE_5517_v5.patch,
MAPREDUCE_5517_v6.patch
>
>
> Since there is no reducer, the memory allocated to reducer is irrelevant to enable uber
mode of a job



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