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From "Wei Yan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-1913) With Fair Scheduler, cluster can logjam when all resources are consumed by AMs
Date Mon, 02 Jun 2014 20:17:03 GMT

     [ https://issues.apache.org/jira/browse/YARN-1913?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Wei Yan updated YARN-1913:
--------------------------

    Attachment: YARN-1913.patch

New patch to fix the test errors.

> With Fair Scheduler, cluster can logjam when all resources are consumed by AMs
> ------------------------------------------------------------------------------
>
>                 Key: YARN-1913
>                 URL: https://issues.apache.org/jira/browse/YARN-1913
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: scheduler
>    Affects Versions: 2.3.0
>            Reporter: bc Wong
>            Assignee: Wei Yan
>         Attachments: YARN-1913.patch, YARN-1913.patch, YARN-1913.patch, YARN-1913.patch,
YARN-1913.patch, YARN-1913.patch, YARN-1913.patch, YARN-1913.patch, YARN-1913.patch, YARN-1913.patch,
YARN-1913.patch
>
>
> It's possible to deadlock a cluster by submitting many applications at once, and have
all cluster resources taken up by AMs.
> One solution is for the scheduler to limit resources taken up by AMs, as a percentage
of total cluster resources, via a "maxApplicationMasterShare" config.



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