[jira] [Assigned] (REEF-1688) IMRU driver fails if RM allocates extra evaluators

["Mariia Mykhailova (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/REEF-1688?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mariia Mykhailova reassigned REEF-1688:
---------------------------------------

    Assignee: Mariia Mykhailova

> IMRU driver fails if RM allocates extra evaluators
> --------------------------------------------------
>
>                 Key: REEF-1688
>                 URL: https://issues.apache.org/jira/browse/REEF-1688
>             Project: REEF
>          Issue Type: Improvement
>          Components: IMRU
>            Reporter: Andrey
>            Assignee: Mariia Mykhailova
>
> if Yarn allocates more evaluators than IMRU driver requested, IMRU driver fails.
> Seems like RM is not behaving well in this situation, but IMRU driver could continue working with existing evaluators and just reject the extra allocations.
> Would make it more robust.
> The error we log and fail with:
> "Possible Bug in the IMRU code: Trying to add an additional Evaluator container_####, but the total expected Evaluator number <RequestedN> has been reached.



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