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From "Santhosh Kumar Shanmugham (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AURORA-1908) Short-circuit preemption filtering when a Veto applies to entire host
Date Tue, 21 Mar 2017 21:56:41 GMT
Santhosh Kumar Shanmugham created AURORA-1908:
-------------------------------------------------

             Summary: Short-circuit preemption filtering when a Veto applies to entire host
                 Key: AURORA-1908
                 URL: https://issues.apache.org/jira/browse/AURORA-1908
             Project: Aurora
          Issue Type: Task
            Reporter: Santhosh Kumar Shanmugham
            Priority: Minor


When matching a {{ResourceRequest}} against a {{UnusedResource}} in {{SchedulerFilterImpl.filter}}
there are 4 kinds of {{Veto}}es that can be returned. 3 out of the 4 {{Veto}}es apply to the
entire host (namely {{DEDICATED_CONSTRAINT_MISMATCH}}, {{MAINTENANCE}}, {{LIMIT_NOT_SATISFIED}}
or {{CONSTRAINT_MISMATCH}}). In this case we can short-circuit and return early and move on
to the next host to consider.



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