[jira] [Created] (YARN-11185) Pending app metrics are increased doubly when a queue reaches its max-parallel-apps limit

["András Győri (Jira)" <ji...@apache.org>]

András Győri created YARN-11185:
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             Summary: Pending app metrics are increased doubly when a queue reaches its max-parallel-apps limit
                 Key: YARN-11185
                 URL: https://issues.apache.org/jira/browse/YARN-11185
             Project: Hadoop YARN
          Issue Type: Bug
          Components: capacity scheduler
            Reporter: András Győri
            Assignee: András Győri


When an application is submitted to a queue, its pending app metric is increased, even, if the application reached the queue's max-parallel-apps limit. If this application is allowed to run in the future because some other application is finished, the application is submitted to the queue again, increasing the pending app queue and user metrics again. Even if the application finishes, it can only decrease the pending metric by one, which makes the pending app metric monotonically increasing, whereas the ideal state should eventually be 0.



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