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https://issues.apache.org/jira/browse/YARN-1190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joep Rottinghuis updated YARN-1190:
-----------------------------------

    Affects Version/s: 2.1.1-beta
    
> enabling uber mde with 0 reducer still requires mapreduce.reduce.memory.mb to 
> be less than yarn.app.mapreduce.am.resource.mb
> ----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-1190
>                 URL: https://issues.apache.org/jira/browse/YARN-1190
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.1.1-beta, 2.0.6-alpha
>            Reporter: Siqi Li
>            Priority: Minor
>         Attachments: YARN-1190_v1.patch.txt
>
>
> Since there is no reducer, the memory allocated to reducer is irrelevant to 
> enable uber mode of a job

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