[HDDS-2464] Avoid unnecessary allocations for FileChannel.open call

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.5.0
• Component/s: Ozone Datanode
• Labels: performance pull-request-available
• Target Version/s: 0.5.0
• Assignee: Attila Doroszlai
• Reporter: Attila Doroszlai
• Created: 12/Nov/19 22:09
• Updated: 24/Feb/20 20:49
• Resolved: 13/Nov/19 17:11

Description

ChunkUtils calls FileChannel#open(Path, OpenOption...). Vararg array elements are then added to a new HashSet to call FileChannel#open(Path, Set<? extends OpenOption>, FileAttribute<?>...). We can call the latter directly instead.

Issue Links

• links to: GitHub Pull Request #147