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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-3464) Race condition in LocalizerRunner kills localizer before localizing all resources
Date Wed, 02 Sep 2015 22:09:46 GMT

     [ https://issues.apache.org/jira/browse/YARN-3464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod Kumar Vavilapalli updated YARN-3464:
------------------------------------------
    Attachment: YARN-3464-branch-2.6.1.txt

Attaching the 2.6.1 patch that I committed.

> Race condition in LocalizerRunner kills localizer before localizing all resources
> ---------------------------------------------------------------------------------
>
>                 Key: YARN-3464
>                 URL: https://issues.apache.org/jira/browse/YARN-3464
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>            Priority: Critical
>              Labels: 2.6.1-candidate
>             Fix For: 2.6.1, 2.7.1
>
>         Attachments: YARN-3464-branch-2.6.1.txt, YARN-3464.000.patch, YARN-3464.001.patch
>
>
> Race condition in LocalizerRunner causes container localization timeout.
> Currently LocalizerRunner will kill the ContainerLocalizer when pending list for LocalizerResourceRequestEvent
is empty.
> {code}
>       } else if (pending.isEmpty()) {
>         action = LocalizerAction.DIE;
>       }
> {code}
> If a LocalizerResourceRequestEvent is added after LocalizerRunner kill the ContainerLocalizer
due to empty pending list, this LocalizerResourceRequestEvent will never be handled.
> Without ContainerLocalizer, LocalizerRunner#update will never be called.
> The container will stay at LOCALIZING state, until the container is killed by AM due
to TASK_TIMEOUT.



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