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Posted to yarn-issues@hadoop.apache.org by "Nishan Shetty (JIRA)" <ji...@apache.org> on 2013/08/20 13:07:52 UTC
[jira] [Commented] (YARN-880) Configuring map/reduce memory equal
to nodemanager's memory, hangs the job execution
[ https://issues.apache.org/jira/browse/YARN-880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13744860#comment-13744860 ]
Nishan Shetty commented on YARN-880:
------------------------------------
[~ojoshi] I am using capacity sheduler
number of maps:3
number of reduces:1
Slow start configured to 1
> 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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