BELUGA BEHR created YARN-7688:
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Summary: Miscellaneous Improvements To ProcfsBasedProcessTree
Key: YARN-7688
URL: https://issues.apache.org/jira/browse/YARN-7688
Project: Hadoop YARN
Issue Type: Improvement
Components: nodemanager
Affects Versions: 3.0.0
Reporter: BELUGA BEHR
Priority: Minor
* Use ArrayDeque for performance instead of LinkedList
* Use more Apache Commons routines to replace existing implementations
* Remove superfluous code guards around DEBUG statements
* Remove superfluous annotations in the tests
* Other small improvements
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