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Posted to issues@mesos.apache.org by "Yan Xu (JIRA)" <ji...@apache.org> on 2017/02/16 23:51:41 UTC

[jira] [Created] (MESOS-7138) Implement the

Yan Xu created MESOS-7138:
-----------------------------

             Summary: Implement the 
                 Key: MESOS-7138
                 URL: https://issues.apache.org/jira/browse/MESOS-7138
             Project: Mesos
          Issue Type: Task
            Reporter: Yan Xu


This JIRA tracks the implementation of this [TODO|https://github.com/apache/mesos/blob/54b4d69b4b34c0d527cf53f1e436cb16ed50ac05/src/master/allocator/sorter/drf/sorter.cpp#L205-L208]:
{quote}
  // TODO(bmahler): Check invariants between old and new allocations.
  // Namely, the roles and quantities of resources should be the same!
  // Otherwise, we need to ensure we re-calculate the shares, as
  // is being currently done, for safety.
{quote}

After this check, we can remove the line that sets the sorter to be {{dirty}} after this call and we can avoid an unnecessary sort.

Note that the shared resources feature currently assumes the invariants.



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