[jira] [Created] (YARN-3938) AM Resources for leaf queues zero when DEFAULT PARTITION resource is zero

["Bibin A Chundatt (JIRA)" <ji...@apache.org>]

Bibin A Chundatt created YARN-3938:
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             Summary: AM Resources for leaf queues zero when DEFAULT PARTITION resource is zero
                 Key: YARN-3938
                 URL: https://issues.apache.org/jira/browse/YARN-3938
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager
            Reporter: Bibin A Chundatt
            Assignee: Bibin A Chundatt
            Priority: Critical


In case of leaf queue  the AM resource calculation is based on {{absoluteCapacityResource}}. Below is the calculation for absolute capacity

{{LeafQueue#updateAbsoluteCapacityResource()}}


{code}
  private void updateAbsoluteCapacityResource(Resource clusterResource) {
    absoluteCapacityResource =
        Resources.multiplyAndNormalizeUp(resourceCalculator, labelManager
            .getResourceByLabel(RMNodeLabelsManager.NO_LABEL, clusterResource),
            queueCapacities.getAbsoluteCapacity(), minimumAllocation);
  }
{code}

If default partition resource is zero for all Leaf queue the resource for AM will be zero

Snapshot also attached for the same



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