[YARN-6327] Removing queues from CapacitySchedulerQueueManager and ParentQueue should be done with iterator

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha4
• Component/s: capacityscheduler
• Hadoop Flags: Reviewed
• Assignee: Jonathan Hung
• Reporter: Jonathan Hung
• Created: 11/Mar/17 01:32
• Updated: 17/Aug/17 05:26
• Resolved: 14/Mar/17 20:03

Description

e.g. in CapacitySchedulerQueueManager

    for (Map.Entry<String, CSQueue> e : existingQueues.entrySet()) {
      String queueName = e.getKey();
      if (!newQueues.containsKey(queueName)) {
        existingQueues.remove(queueName);
      }
    }

Issue Links

• is broken by: YARN-5556 CapacityScheduler: Support deleting queues without requiring a RM restart
• is related to: YARN-6240 TestCapacityScheduler.testRefreshQueuesWithQueueDelete fails randomly