Benjamin Mahler created MESOS-6637:
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Summary: 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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