[jira] [Updated] (MESOS-1389) Reconciliation can send TASK_LOST before a terminal update reaches the framework.

["Benjamin Mahler (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MESOS-1389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benjamin Mahler updated MESOS-1389:
-----------------------------------

    Fix Version/s:     (was: 0.19.0)
                   0.21.0

> Reconciliation can send TASK_LOST before a terminal update reaches the framework.
> ---------------------------------------------------------------------------------
>
>                 Key: MESOS-1389
>                 URL: https://issues.apache.org/jira/browse/MESOS-1389
>             Project: Mesos
>          Issue Type: Bug
>    Affects Versions: 0.19.0
>            Reporter: Benjamin Mahler
>             Fix For: 0.21.0
>
>
> There's an unfortunate case with reconciliation, where we end up sending TASK_LOST first and then the slave sends the valid terminal status update.
> When the slave re-registers with terminal tasks that have un-acked updates. The master does not store these tasks. So while the slave still needs to send the terminal status updates, the master will reply with TASK_LOST for reconciliation.
> We may need to ensure that all status update acknowledgements go through the master to fix this.



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