[YARN-7688] Miscellaneous Improvements To ProcfsBasedProcessTree

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.1.0
• Component/s: nodemanager
• Target Version/s: 3.1.0
• Hadoop Flags: Reviewed
• Release Note: Added new patch. Fixes white spaces and some check-style items.
• Assignee: Unassigned
• Reporter: David Mollitor
• Created: 28/Dec/17 23:25
• Updated: 03/Jan/18 02:18
• Resolved: 03/Jan/18 01:56

Description

• 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