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Posted to yarn-issues@hadoop.apache.org by "Jiangminghai (Jira)" <ji...@apache.org> on 2021/09/28 10:04:00 UTC

[jira] [Created] (YARN-10971) Continuous scheduling reduces invalid calculations

Jiangminghai created YARN-10971:
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             Summary: Continuous scheduling reduces invalid calculations
                 Key: YARN-10971
                 URL: https://issues.apache.org/jira/browse/YARN-10971
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: fairscheduler
    Affects Versions: 3.2.1
            Reporter: Jiangminghai


In FairScheduler#continuousSchedulingAttempt(), nodes has been sorted by available resources，iterate all nodes in continuous scheduling. 
Should break the loop, when  Resources.fitsIn(minimumAllocation,node.getUnallocatedResource()) == false.



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