[OAK-3796] Prevent blob gc and revision gc from running concurrently

• Type: Improvement
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 1.5.13, 1.6.0
• Component/s: core
• Labels: datastore gc resilience
• Epic Link: SegmentMK revision GC
• Assignee: Unassigned
• Reporter: Michael Dürig
• Created: 16/Dec/15 09:26
• Updated: 14/Nov/16 11:35
• Resolved: 03/Nov/16 13:24

Description

I think we should add some safe guard preventing blob gc and revision gc from running concurrently. Running those jobs concurrently would only result in unnecessary contention for IO/CPU and most likely adversely effect the outcome of both while also impacting overall system performance.