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https://issues.apache.org/jira/browse/MESOS-8574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16435779#comment-16435779
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Andrei Budnik commented on MESOS-8574:
--------------------------------------

[~vishant.si...@gmail.com] The root cause for a hanging Docker daemon or Docker 
CLI is unknown. We would appreciate any thoughts on what might be the reason 
for the issue in your case.

> Docker executor makes no progress when 'docker inspect' hangs
> -------------------------------------------------------------
>
>                 Key: MESOS-8574
>                 URL: https://issues.apache.org/jira/browse/MESOS-8574
>             Project: Mesos
>          Issue Type: Improvement
>          Components: docker, executor
>    Affects Versions: 1.5.0
>            Reporter: Greg Mann
>            Assignee: Andrei Budnik
>            Priority: Major
>              Labels: mesosphere
>             Fix For: 1.3.3, 1.4.2, 1.5.1, 1.6.0
>
>
> In the Docker executor, many calls later in the executor's lifecycle are 
> gated on an initial {{docker inspect}} call returning: 
> https://github.com/apache/mesos/blob/bc6b61bca37752689cffa40a14c53ad89f24e8fc/src/docker/executor.cpp#L223
> If that first call to {{docker inspect}} never returns, the executor becomes 
> stuck in a state where it makes no progress and cannot be killed.
> It's tempting for the executor to simply commit suicide after a timeout, but 
> we must be careful of the case in which the executor's Docker container is 
> actually running successfully, but the Docker daemon is unresponsive. In such 
> a case, we do not want to send TASK_FAILED or TASK_KILLED if the task's 
> container is running successfully.



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