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From "David J. M. Karlsen (JIRA)" <>
Subject [jira] [Commented] (CAMEL-5675) Camel Route Startup Performance Slow
Date Wed, 03 Oct 2012 07:42:07 GMT


David J. M. Karlsen commented on CAMEL-5675:

You could maybe use commons which has introspection cache already?
> Camel Route Startup Performance Slow
> ------------------------------------
>                 Key: CAMEL-5675
>                 URL:
>             Project: Camel
>          Issue Type: Improvement
>          Components: camel-core
>    Affects Versions: 2.8.6
>         Environment: JDK 1.6
>            Reporter: Les Novell
>            Assignee: Claus Ibsen
>              Labels: performance
> 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. 

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