[OPENJPA-439] Performance degradation in multi-transaction operations

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.9.0, 0.9.6, 0.9.7, 1.0.0, 1.0.1, 1.0.2, 1.1.0
• Fix Version/s: 1.1.0
• Component/s: kernel
• Assignee: Unassigned
• Reporter: Patrick Linskey
• Created: 10/Nov/07 00:43
• Updated: 09/Mar/10 18:32
• Resolved: 12/Nov/07 17:58

Description

Reusing a Broker for multiple transactions / persistence contexts demonstrates a performance degradation, possibly due to explicit calls to clear sets and maps, rather than just dereferencing them.

Discussion: http://www.nabble.com/Performance-drop-in-AbstractHashedMap.clear%28%29-tf4769771.html#a13656730