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https://issues.apache.org/jira/browse/MESOS-7050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15879111#comment-15879111
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Kevin Klues commented on MESOS-7050:
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Updated review: https://reviews.apache.org/r/56195/
> IOSwitchboard FDs leaked when containerizer launch fails -- leads to deadlock
> -----------------------------------------------------------------------------
>
> Key: MESOS-7050
> URL: https://issues.apache.org/jira/browse/MESOS-7050
> Project: Mesos
> Issue Type: Bug
> Reporter: Kevin Klues
> Assignee: Kevin Klues
> Priority: Critical
> Labels: debugging, mesosphere
>
> If the containizer launch path fails before actually
> launching the container, the FDs allocated to the container by the
> IOSwitchboard isolator are leaked. This leads to deadlock in
> the destroy path because the IOSwitchboard does not shutdown until the
> FDs it allocates to the container have been closed. Since the
> switchboard doesn't shutdown, the future returned by its 'cleanup()'
> function is never satisfied.
> We need a general purpose method for closing the IOSwitchboard FDs when
> failing in the launch path.
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