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https://issues.apache.org/jira/browse/MESOS-7863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16139377#comment-16139377
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Benjamin Mahler commented on MESOS-7863:
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[~karya] marking this fixed in 1.4.1 since there is a 1.4.0 vote out, please
update this to 1.4.0 here and in the CHANGELOG if the next RC picks this up for
1.4.0.
> Agent may drop pending kill task status updates.
> ------------------------------------------------
>
> Key: MESOS-7863
> URL: https://issues.apache.org/jira/browse/MESOS-7863
> Project: Mesos
> Issue Type: Bug
> Components: agent
> Reporter: Benjamin Mahler
> Assignee: Benjamin Mahler
> Priority: Critical
> Fix For: 1.5.0, 1.4.1
>
>
> Currently there is an assumption that when a pending task is killed, the
> framework will still be stored in the agent. However, this assumption can be
> violated in two cases:
> # Another pending task was killed and we removed the framework in
> 'Slave::run' thinking it was idle, because pending tasks were empty (we
> remove from pending tasks when processing the kill). (MESOS-7783 is an
> example instance of this).
> # The last executor terminated without tasks to send terminal updates for, or
> the last terminated executor received its last acknowledgement. At this
> point, we remove the framework thinking there were no pending tasks if the
> task was killed (removed from pending).
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