[OPENJPA-2143] Reduce lock contention on LifecycleEventManager

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.1, 2.3.0
• Fix Version/s: 2.2.1, 2.3.0
• Component/s: kernel
• Assignee: Jeremy Bauer
• Reporter: Jeremy Bauer
• Due: 24/Feb/12
• Created: 24/Feb/12 19:32
• Updated: 07/Mar/12 16:01
• Resolved: 07/Mar/12 16:01

Description

Profiles have shown the synchronization pattern used on LifecycleEventManager diversely affects performance on multi-core systems. I'll be providing a fix that has shown to reduce lock contention on this class.