[HBASE-25363] Improve performance of HFileLinkCleaner by using ReadWriteLock instead of synchronize

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha-1, 2.5.0
• Component/s: master
• Assignee: Xiaolin Ha
• Reporter: Xiaolin Ha
• Created: 05/Dec/20 13:42
• Updated: 09/Dec/20 18:09
• Resolved: 08/Dec/20 14:09

Description

HFileLinkCleaner uses synchronized method isFileDeletable, as a result, to cross the cleaner chain, all files will be processed serially. It may block the fork-join thread which scans out some archived files.

Issue Links

• links to: GitHub Pull Request #2738