[jira] [Created] (MESOS-2734) Update allocator to allocate revocable resources

["Vinod Kone (JIRA)" <ji...@apache.org>]

Vinod Kone created MESOS-2734:
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             Summary: Update allocator to allocate revocable resources
                 Key: MESOS-2734
                 URL: https://issues.apache.org/jira/browse/MESOS-2734
             Project: Mesos
          Issue Type: Task
            Reporter: Vinod Kone


Allocator maintains 'revocable' resources which keeps track of the currently available revocable resources.

Revocable resources are added to the DRF sorter allocations much like regular resources during recoverResources() and allocate().

The only difference is that, unlike regular resources, 'revocable' resources are *not* updated in allocate() or recover(). They only get updated in updateRevocableResources() call.

The 2 main consequences of this design are

--> Revocable resources are accounted for in fair sharing which is great.

--> Allocation for revocable resources only happens whenever there is a new estimate from the slave.





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