[jira] [Assigned] (MESOS-6637) Validate that schedulers cannot perform operations on offers with different allocation roles.

["Jay Guo (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MESOS-6637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jay Guo reassigned MESOS-6637:
------------------------------

    Assignee: Jay Guo

> 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
>            Assignee: Jay Guo
>
> 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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