[jira] [Created] (YARN-4630) Remove useless boxing/unboxing code (Hadoop YARN)

[Kousuke Saruta (JIRA)]

Kousuke Saruta created YARN-4630:
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             Summary: Remove useless boxing/unboxing code (Hadoop YARN)
                 Key: YARN-4630
                 URL: https://issues.apache.org/jira/browse/YARN-4630
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: yarn
    Affects Versions: 3.0.0
            Reporter: Kousuke Saruta
            Priority: Minor


There are lots of places where useless boxing/unboxing occur.
To avoid performance issue, let's remove them.



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