Benjamin Mahler created MESOS-7863:
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Summary: 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
Priority: Critical
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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