[SPARK-17483] Minor refactoring and cleanup in BlockManager block status reporting and block removal

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.0.1, 2.1.0
• Component/s: Block Manager, Spark Core
• Target Version/s: 2.0.1
• Assignee: Josh Rosen
• Reporter: Josh Rosen
• Created: 09/Sep/16 20:38
• Updated: 17/May/20 18:21
• Resolved: 12/Sep/16 20:10

Description

As a precursor to fixing a block fetch bug, I'd like to split a few small refactorings in BlockManager into their own patch (hence this JIRA).

Issue Links

• blocks: SPARK-17484 Race condition when cancelling a job during a cache write can lead to block fetch failures
• links to: [Github] Pull Request #15036 (JoshRosen)