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  1. Hadoop YARN
  2. YARN-8992

Fair scheduler can delete a dynamic queue while an application attempt is being added to the queue

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    Description

      As discovered in YARN-8990, QueueManager can see a leaf queue being empty while FSLeafQueue.addApp() is called in the middle of      

      return queue.getNumRunnableApps() == 0 &&
                leafQueue.getNumNonRunnableApps() == 0 &&
                leafQueue.getNumAssignedApps() == 0;

      Attachments

        1. YARN-8992.002.patch
          31 kB
          wilfreds#1
        2. YARN-8992.001.patch
          21 kB
          wilfreds#1

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              wilfreds Wilfred Spiegelenburg
              haibochen Haibo Chen
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