[OPENJPA-1517] Reduce locking in LifecycleEventManager

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0-beta
• Fix Version/s: 2.0.0-beta2
• Component/s: performance
• Assignee: Richard G. Curtis
• Reporter: Richard G. Curtis
• Created: 17/Feb/10 20:19
• Updated: 09/Mar/10 18:29
• Resolved: 17/Feb/10 22:17

Description

In recent performance runs I found that LifecycleEventManager.hasListeners(...) is a major bottleneck when running with caching enabled. In a java core file that I was looking at there were 15 threads all waiting to enter this method.