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Posted to yarn-issues@hadoop.apache.org by "Weiwei Yang (JIRA)" <ji...@apache.org> on 2015/09/22 08:02:04 UTC

[jira] [Updated] (YARN-4165) An outstanding container request makes all nodes to be reserved causing all jobs pending

     [ https://issues.apache.org/jira/browse/YARN-4165?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Weiwei Yang updated YARN-4165:
------------------------------
    Component/s: capacity scheduler

> An outstanding container request makes all nodes to be reserved causing all jobs pending
> ----------------------------------------------------------------------------------------
>
>                 Key: YARN-4165
>                 URL: https://issues.apache.org/jira/browse/YARN-4165
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: capacity scheduler, resourcemanager, scheduler
>    Affects Versions: 2.7.1
>            Reporter: Weiwei Yang
>            Assignee: Weiwei Yang
>
> We have a long running service in YARN, it has a outstanding container request that YARN cannot satisfy (require more memory that nodemanager can supply). Then YARN reserves all nodes for this application, when I submit other jobs (require relative small memory that nodemanager can supply), all jobs are pending because YARN skips scheduling containers on the nodes that have been reserved.



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