[OAK-7584] Add stats for DataStore GC performance

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.10.0, 1.9.5
• Component/s: blob-plugins
• Labels: maintenance
• Assignee: Amit Jain
• Reporter: Amit Jain
• Created: 25/Jun/18 09:57
• Updated: 06/Jul/18 11:14
• Resolved: 25/Jun/18 10:43

Description

To ascertain effectiveness of DataStore GC following metrics are quite useful:

• Number of candidates identified
• Number of blobs deleted
• Total estimated size of the blobs deleted