Benjamin Mahler created MESOS-2751:
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Summary: Stopping the scheduler driver w/o failover requires a
sleep to ensure the UnregisterFrameworkMessage is delivered.
Key: MESOS-2751
URL: https://issues.apache.org/jira/browse/MESOS-2751
Project: Mesos
Issue Type: Bug
Components: framework
Reporter: Benjamin Mahler
Priority: Minor
When the call to {{driver.stop(false)}} completes, the
UnregisterFrameworkMessage will be sent asynchronously once the
SchedulerProcess processes the dispatch event.
This requires schedulers to sleep to ensure the message is processed:
http://markmail.org/thread/yuzq5i3hkpttxc2s
We could block on a Future result from the dispatch, if safe. But this still
doesn't ensure the message is flushed out of libprocess. And without
acknowledgements, we don't know if the master has successfully unregistered the
framework.
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