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From "Jun Gong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-3389) Two attempts might operate on same data structures concurrently
Date Mon, 23 Mar 2015 15:12:10 GMT

     [ https://issues.apache.org/jira/browse/YARN-3389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jun Gong updated YARN-3389:
---------------------------
    Attachment: YARN-3389.01.patch

> Two attempts might operate on same data structures concurrently
> ---------------------------------------------------------------
>
>                 Key: YARN-3389
>                 URL: https://issues.apache.org/jira/browse/YARN-3389
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.6.0
>            Reporter: Jun Gong
>            Assignee: Jun Gong
>         Attachments: YARN-3389.01.patch
>
>
> In AttemptFailedTransition, the new attempt will get state('justFinishedContainers' and
'finishedContainersSentToAM') reference from the failed attempt. Then the two attempts might
operate on these two variables concurrently, e.g. they might update 'justFinishedContainers'
concurrently when they are both handling CONTAINER_FINISHED event.



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