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From "Siqi Li (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (YARN-1190) enabling uber mode with 0 reducer still requires mapreduce.reduce.memory.mb to be less than yarn.app.mapreduce.am.resource.mb
Date Mon, 14 Apr 2014 21:48:15 GMT

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

Siqi Li resolved YARN-1190.
---------------------------

    Resolution: Duplicate
      Assignee: Siqi Li

> enabling uber mode 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
>            Assignee: 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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