Greg Mann created MESOS-8576:
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Summary: 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
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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