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Posted to issues@mesos.apache.org by "Meng Zhu (JIRA)" <ji...@apache.org> on 2019/04/10 17:33:00 UTC

[jira] [Created] (MESOS-9724) Avoid hierarchical shuffling in the random sorter.

Meng Zhu created MESOS-9724:
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             Summary: Avoid hierarchical shuffling in the random sorter.
                 Key: MESOS-9724
                 URL: https://issues.apache.org/jira/browse/MESOS-9724
             Project: Mesos
          Issue Type: Improvement
            Reporter: Meng Zhu
            Assignee: Meng Zhu


Due to the presence of hierarchical weights, the random sorter currently shuffles level-by-level. We should be able to shuffle all the active leaves only once by calculating (and caching) active leaves' relative weights. This should improve the performance in the presence of hierarchical roles. 



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