[YARN-7687] ContainerLogAppender Improvements

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.1.0
• Target Version/s: 3.1.0
• Hadoop Flags: Reviewed
• Assignee: Unassigned
• Reporter: David Mollitor
• Created: 28/Dec/17 21:57
• Updated: 03/Jan/18 01:10
• Resolved: 03/Jan/18 00:58

Description

• Use Array-backed collection instead of LinkedList
• Ignore calls to close() after the initial call
• Clear the queue after close is called to let garbage collection do its magic on the items inside of it
• Fix int-to-long conversion issue (overflow)
• Remove superfluous white space