[OAK-2408] Investigate ways to make revision gc more precise

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Done
• Component/s: segmentmk
• Labels: gc
• Epic Link: SegmentMK revision GC
• Assignee: Michael Dürig
• Reporter: Michael Dürig
• Created: 15/Jan/15 15:58
• Updated: 14/Oct/15 09:57
• Resolved: 09/Jun/15 08:29

Description

Current approaches to revision garbage collection tend to be too conservative (too little space reclaimed, e.g. OAK-2045) or too aggressive (removing segments still being used, e.g. OAK-2384).

This issue is to explore ways to make revision gc on TarMk more precise.

Issue Links

• is related to: OAK-2045 Long running JCR session prevent live cleanup in Segment FileStore
• is related to: OAK-2849 Improve revision gc on SegmentMK
• relates to: OAK-2498 Root record references provide too little context for parsing a segment