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From "Vinod Kone (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MESOS-8938) Improve the allocator so that it does not send cpu only or mem only resources in certain cases
Date Sat, 19 May 2018 01:16:00 GMT
Vinod Kone created MESOS-8938:
---------------------------------

             Summary: Improve the allocator so that it does not send cpu only or mem only
resources in certain cases
                 Key: MESOS-8938
                 URL: https://issues.apache.org/jira/browse/MESOS-8938
             Project: Mesos
          Issue Type: Improvement
          Components: allocation
            Reporter: Vinod Kone


MESOS-1688 changed the allocator behavior so that it can offer cpu only or memory only resources
to frameworks, but this is not always useful. For example, if a framework has never launched
an executor/container on an agent, it doesn't make sense to send it a cpu only or memory only
offer. Once a framework launches an executor, it could use cpu only or memory only offers
to grow the size of the executor.

This ticket tracks an improvement to the "isAllocatable()" function to make it more smart
as discussed above. This is important to improve pathological situations like MESOS-8937.



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