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Posted to issues@mesos.apache.org by "Benjamin Mahler (JIRA)" <ji...@apache.org> on 2017/02/09 23:31:41 UTC

[jira] [Created] (MESOS-7099) Quota can be exceeded due to coarse-grained offer technique.

Benjamin Mahler created MESOS-7099:
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             Summary: Quota can be exceeded due to coarse-grained offer technique.
                 Key: MESOS-7099
                 URL: https://issues.apache.org/jira/browse/MESOS-7099
             Project: Mesos
          Issue Type: Bug
          Components: allocation
            Reporter: Benjamin Mahler
            Priority: Critical


The current implementation of quota allocation allocates the entire available resources on an agent when trying to satisfy the quota. What this means is that quota can be exceeded by the size of an agent.

This is especially problematic for large machines, consider a 48 core, 512 GB memory server where a role is given 4 cores and 4GB of memory. Given our current approach, we will send an offer for the entire 48 cores and 512 GB of memory!

This ticket is to perform fine grained offers when the allocation will exceed the quota.



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