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https://issues.apache.org/jira/browse/MESOS-6637?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15707302#comment-15707302
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Jay Guo commented on MESOS-6637:
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Could you elaborate on {quote}tasks, executors, and reservations individually
don't mix roles{quote} ? I don't quite follow what you mean here, an example
would be excellent! thx
> Validate that schedulers cannot perform operations on offers with different
> allocation roles.
> ---------------------------------------------------------------------------------------------
>
> Key: MESOS-6637
> URL: https://issues.apache.org/jira/browse/MESOS-6637
> Project: Mesos
> Issue Type: Task
> Components: master
> Reporter: Benjamin Mahler
>
> With support for multi-role frameworks, offers contain allocation info
> (currently just the role that the offer is being made to).
> In theory, schedulers could perform offer operations across multiple roles,
> so long as the tasks, executors, and reservations individually don't mix
> roles. However, there doesn't seem to be a clear reason to allow this. So, we
> will validate against combining offers from multiple roles. This also makes
> it semantically consistent with single-role frameworks (since they do not do
> this either).
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