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From "Jian He (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2853) Killing app may hang while AM is unregistering
Date Wed, 12 Nov 2014 00:02:33 GMT

     [ https://issues.apache.org/jira/browse/YARN-2853?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jian He updated YARN-2853:
--------------------------
    Attachment:     (was: YARN-2853.1.patch)

> Killing app may hang while AM is unregistering
> ----------------------------------------------
>
>                 Key: YARN-2853
>                 URL: https://issues.apache.org/jira/browse/YARN-2853
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Jian He
>            Assignee: Jian He
>         Attachments: YARN-2853.1.patch, YARN-2853.1.patch
>
>
> When killing an app, app first moves to KILLING state, If RMAppAttempt receives the attempt_unregister
event before attempt_kill event,  it'll ignore the later attempt_kill event.  Hence, RMApp
won't be able to move to KILLED state and stays at KILLING state forever.



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