[jira] [Created] (YARN-6947) The implementation of Schedulable#getResourceUsage so inefficiency that can reduce the performance of scheduling

[YunFan Zhou (JIRA)]

YunFan Zhou created YARN-6947:
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             Summary: The implementation of Schedulable#getResourceUsage so 
inefficiency that can reduce the performance of scheduling
                 Key: YARN-6947
                 URL: https://issues.apache.org/jira/browse/YARN-6947
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: fairscheduler
            Reporter: YunFan Zhou
            Priority: Critical






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