[CAMEL-5675] Camel Route Startup Performance Slow

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.8.6
• Fix Version/s: 2.11.0
• Component/s: camel-core
• Labels: performance

Environment

JDK 1.6

• Estimated Complexity: Novice
• Assignee: Claus Ibsen
• Reporter: Les Novell
• Created: 01/Oct/12 22:36
• Updated: 05/Oct/12 07:12
• Resolved: 03/Oct/12 13:02

Description

I am writing unit tests for Camel and found that each unit test was taking up to a second just to create the Camel routes. That's not very long, but we have a large unit test suite that needs to run quickly.

I did a performance profile and found that most of the time is going to the method org.apache.camel.util.IntrospectionSupport.getProperties(Object, Map, String). That method, then also calls IntrospectionSupport.isSetter(Method), and just running two unit tests I saw isSettter called 2.5 million times!

It seems to me that a cache per class of the properties would make a huge performance improvement on Camel route building.