wan kun created YARN-8639:
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Summary: Sort queue and apps in fair schduler using a separate
thread
Key: YARN-8639
URL: https://issues.apache.org/jira/browse/YARN-8639
Project: Hadoop YARN
Issue Type: Improvement
Components: yarn
Reporter: wan kun
If fair scheduler have many queue and each queue have many active applications .
For each assignContainer function, we need to sort all the queue, and all the
applications in each queue. For a large system,this may be cost too much time.
So we can sort the queue and applications using a separate thread asynchronous.
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