[MAPREDUCE-7315] LocatedFileStatusFetcher to collect/publish IOStatistics

• Type: New Feature
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.3.0
• Fix Version/s: 3.3.1
• Component/s: client
• Labels: pull-request-available
• Assignee: Steve Loughran
• Reporter: Steve Loughran
• Created: 31/Dec/20 12:00
• Updated: 14/Jan/21 13:56
• Resolved: 31/Dec/20 16:02

Description

Part of HADOOP-16830: if a FileSystem's RemoteIterators implement IOStatisticsSource, then collect these and serve through the IOStatisticsSource API.

If the iterators don't (only S3A does, but ABFS will too), then nothing is collected

Issue Links

• is a child of: HADOOP-16830 Add Public IOStatistics API
• links to: GitHub Pull Request #2579