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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