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From "Tao Yang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-7471) queueUsagePercentage is wrongly calculated for applications in zero-capacity queues
Date Fri, 10 Nov 2017 08:44:00 GMT
Tao Yang created YARN-7471:
------------------------------

             Summary: queueUsagePercentage is wrongly calculated for applications in zero-capacity
queues
                 Key: YARN-7471
                 URL: https://issues.apache.org/jira/browse/YARN-7471
             Project: Hadoop YARN
          Issue Type: Bug
          Components: capacityscheduler
    Affects Versions: 3.0.0-alpha4
            Reporter: Tao Yang
            Assignee: Tao Yang


For applicaitons in zero-capacity queues, queueUsagePercentage is wrongly calculated to INFINITY
with expression (queueUsagePercentage = usedResource / (totalPartitionRes * queueAbsMaxCapPerPartition)
when the queueAbsMaxCapPerPartition=0.
We can add a precondition (queueAbsMaxCapPerPartition != 0) before this calculation to
fix this problem.



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