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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-6869) Resources.lessThan() et al should not use ResourceCalculator.compare()
Date Tue, 25 Jul 2017 18:25:01 GMT
Daniel Templeton created YARN-6869:
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             Summary: Resources.lessThan() et al should not use ResourceCalculator.compare()
                 Key: YARN-6869
                 URL: https://issues.apache.org/jira/browse/YARN-6869
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: resourcemanager
    Affects Versions: 3.0.0-alpha4
            Reporter: Daniel Templeton


If you look at what the callers of {{lessThan()}}, {{lessThanOrEqual()}}, {{greaterThan()}},
and {{greaterThanOrEqual()}} expect the calls to do, there's no reason why the comparison
should be done in context of the total resources.  Skipping the division and doing a direct
comparison should improve performance.



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