Greg Mann updated MESOS-8576:
    Comment: was deleted

(was: Closing in favor of MESOS-8575.)

> Improve discard handling of 'Docker::inspect()'
> -----------------------------------------------
>                 Key: MESOS-8576
>                 URL: https://issues.apache.org/jira/browse/MESOS-8576
>             Project: Mesos
>          Issue Type: Improvement
>          Components: containerization, docker
>    Affects Versions: 1.5.0
>            Reporter: Greg Mann
>            Assignee: Greg Mann
>            Priority: Major
>              Labels: mesosphere
> In the call path of {{Docker::inspect()}}, each continuation currently checks 
> if {{promise->future().hasDiscard()}}, where the {{promise}} is associated 
> with the output of the {{docker inspect}} call. However, if the call to 
> {{docker inspect}} becomes hung indefinitely, then continuations are never 
> invoked, and a subsequent discard of the returned {{Future}} will have no 
> effect. We should add proper {{onDiscard}} handling to that {{Future}} so 
> that appropriate cleanup is performed in such cases.

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