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https://issues.apache.org/jira/browse/MESOS-1791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14715871#comment-14715871
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Qian Zhang commented on MESOS-1791:
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[~alex-mesos], if dynamic reservation is per role, then how can we guarantee
the reserved resources will be re-offered to the stateful framework which makes
the dynamic reservation? For example, both Cassandra framework and HDFS
framework belongs to role1, and HDFS dynamically reserves some resources in an
agent for role1, then I think it may be possible for allocator to offer those
resources to Cassandra since it also belongs to role1, but actually HDFS
expects to be offered with those resources.
> Introduce Master / Offer Resource Reservations aka Quota
> --------------------------------------------------------
>
> Key: MESOS-1791
> URL: https://issues.apache.org/jira/browse/MESOS-1791
> Project: Mesos
> Issue Type: Epic
> Components: allocation, master, replicated log
> Reporter: Tom Arnfeld
> Assignee: Alexander Rukletsov
> Labels: mesosphere
>
> Currently Mesos supports the ability to reserve resources (for a given role)
> on a per-slave basis, as introduced in MESOS-505. This allows you to almost
> statically partition off a set of resources on a set of machines, to
> guarantee certain types of frameworks get some resources.
> This is very useful, though it is also very useful to be able to control
> these reservations through the master (instead of per-slave) for when I don't
> care which nodes I get on, as long as I get X cpu and Y RAM, or Z sets of
> (X,Y).
> I'm not sure what structure this could take, but apparently it has already
> been discussed. Would this be a CLI flag? Could there be a (authenticated)
> web interface to control these reservations?
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