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From "Omkar Vinit Joshi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-880) Configuring map/reduce memory equal to nodemanager's memory, hangs the job execution
Date Thu, 18 Jul 2013 22:36:48 GMT

    [ https://issues.apache.org/jira/browse/YARN-880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13713006#comment-13713006
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Omkar Vinit Joshi commented on YARN-880:
----------------------------------------

Can you please provide below information to help debug the issue?
* RM / NM / AM logs (please enable debug).
* yarn-site.xml and mapred-site.xml files used.
* Which scheduler you are using?

                
> Configuring map/reduce memory equal to nodemanager's memory, hangs the job execution
> ------------------------------------------------------------------------------------
>
>                 Key: YARN-880
>                 URL: https://issues.apache.org/jira/browse/YARN-880
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.0.1-alpha
>            Reporter: Nishan Shetty
>            Assignee: Omkar Vinit Joshi
>            Priority: Critical
>
> Scenario:
> =========
> Cluster is installed with 2 Nodemanagers 
> Configuraiton:
> NM memory (yarn.nodemanager.resource.memory-mb): 8 gb
> map and reduce memory : 8 gb
> Appmaster memory: 2 gb
> If map task is reserved on the same nodemanager where appmaster of the same job is running
then job execution hangs.

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