Gergely Pollak created YARN-10276:
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             Summary: Check and improve memory footprint of CapacityScheduler 
CSQueueStore
                 Key: YARN-10276
                 URL: https://issues.apache.org/jira/browse/YARN-10276
             Project: Hadoop YARN
          Issue Type: Task
            Reporter: Gergely Pollak


The class creates a lot of Set instances, which might have a bit bigger memory 
overhead than necessary, this might be not a critical issue, but let's examine 
if we can or should create a more memory efficient solution while keeping the 
performance.



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