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Posted to yarn-issues@hadoop.apache.org by "Yufei Gu (JIRA)" <ji...@apache.org> on 2016/05/12 18:28:12 UTC

[jira] [Created] (YARN-5077) Fix FSLeafQueue#getFairShare() for queues with weight 0.0

Yufei Gu created YARN-5077:
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             Summary: Fix FSLeafQueue#getFairShare() for queues with weight 0.0
                 Key: YARN-5077
                 URL: https://issues.apache.org/jira/browse/YARN-5077
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Yufei Gu
            Assignee: Yufei Gu


1) When a queue's weight is set to 0.0, FSLeafQueue#getFairShare() returns <memory:0, vCores:0> 
2) When a queue's weight is nonzero, FSLeafQueue#getFairShare() returns <memory:16384, vCores:8>
In case 1), that means no container ever gets allocated for an AM because from the viewpoint of the RM, there is never any headroom to allocate a container on that queue.



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