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https://issues.apache.org/jira/browse/MESOS-469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13659097#comment-13659097
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Vinod Kone commented on MESOS-469:
----------------------------------
https://reviews.apache.org/r/11191/
> Scheduler driver should call disconnected on master failover
> ------------------------------------------------------------
>
> Key: MESOS-469
> URL: https://issues.apache.org/jira/browse/MESOS-469
> Project: Mesos
> Issue Type: Bug
> Reporter: Vinod Kone
> Assignee: Vinod Kone
>
> Currently the driver only calls disconnected() when it gets
> NoMasterDetected() message.
> But during a master failover the driver typically only gets
> NewMasterDetected() and sets an internal variable 'connected = false'.
> Subsequent driver calls (launchTasks, killTask) are rejected by the driver
> until it re-registers with a master.
> At Twitter, we have seen this window to be as large as ~5s. It would be nice
> to inform the scheduler that the driver is 'disconnected()' in this situation.
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