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From "Benjamin Mahler (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MESOS-9249) Avoid dirtying the DRF sorter when allocating resources.
Date Fri, 21 Sep 2018 22:39:01 GMT
Benjamin Mahler created MESOS-9249:
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             Summary: Avoid dirtying the DRF sorter when allocating resources.
                 Key: MESOS-9249
                 URL: https://issues.apache.org/jira/browse/MESOS-9249
             Project: Mesos
          Issue Type: Improvement
          Components: allocation
            Reporter: Benjamin Mahler
            Assignee: Benjamin Mahler


The perf data that [~mzhu] provided revealed that when there are many frameworks, the {{DRFSorter::sort()}}
function ends up dominating the time spent during an allocation cycle.

To improve performance, it's possible to avoid dirtying the sorter so that it remains sorted
throughout the entire allocation cycle.



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