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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-4715) TaskManager should commit suicide after cancellation failure
Date Thu, 27 Oct 2016 09:34:58 GMT

    [ https://issues.apache.org/jira/browse/FLINK-4715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15611336#comment-15611336

ASF GitHub Bot commented on FLINK-4715:

Github user uce commented on the issue:

    OK thanks. I addressed one last issue with shutting down the watch dog thread (it was
lingering around sleeping and only noticed that the task has terminated after that sleep...
now the task canceler interrupts the watchdog when everything works as expected and the watch
dog thread terminates early).
    I've also backported this to the `release-1.1` branch.

> TaskManager should commit suicide after cancellation failure
> ------------------------------------------------------------
>                 Key: FLINK-4715
>                 URL: https://issues.apache.org/jira/browse/FLINK-4715
>             Project: Flink
>          Issue Type: Improvement
>          Components: TaskManager
>    Affects Versions: 1.2.0
>            Reporter: Till Rohrmann
>            Assignee: Ufuk Celebi
>             Fix For: 1.2.0
> In case of a failed cancellation, e.g. the task cannot be cancelled after a given time,
the {{TaskManager}} should kill itself. That way we guarantee that there is no resource leak.

> This behaviour acts as a safety-net against faulty user code.

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