Alexander Rukletsov created MESOS-6743:
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Summary: Docker executor hangs forever if `docker stop` fails.
Key: MESOS-6743
URL: https://issues.apache.org/jira/browse/MESOS-6743
Project: Mesos
Issue Type: Bug
Components: docker
Affects Versions: 1.0.1, 1.1.0
Reporter: Alexander Rukletsov
If {{docker stop}} finishes with an error status, the executor should catch
this and react instead of indefinitely waiting for {{reaped}} to return.
An interesting question is _how_ to react. Here are possible solutions.
1. Retry {{docker stop}}. In this case it is unclear how many times to retry
and what to do if {{docker stop}} continues to fail.
2. Unmark task as {{killed}}. This will allow frameworks to retry the kill.
However, in this case it is unclear what status updates we should send:
{[TASK_KILLING}} for every kill retry? an extra update when we failed to kill a
task? or set a specific reason in {{TASK_KILLING}}?
3. Clean up and exit. In this case we should make sure the task container is
killed or notify the framework and the operator that the container may still be
running.
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