[DBCP-300] remove synchronize access of createDataSource

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.2.2, 1.3, 1.4
• Fix Version/s: 2.0

Environment

RHEL, jdk1.5.0_12, commons-dbcp 1.2.2

• Assignee: Unassigned
• Reporter: Nikhil Singh
• Created: 11/Sep/09 01:19
• Updated: 31/May/14 04:14
• Resolved: 10/May/11 23:21

Description

For JDK1.5 onwards we can make the DataSource volatile and start using "double checked locking" idiom. In my performance testing I have already started seeing wait time on this lock.