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From Ralph Goers <>
Subject Re: Performances analysis
Date Fri, 25 Nov 2005 17:27:48 GMT
I am not aware of anyone having profiled Cocoon in the manner you are 
proposing.  The results would be most welcome.

We saw a huge benefit when we switched from Xalan to XSLTC.  And you 
always see a huge performance loss if you exceed the pool size of your 

JMX instrumentation has not been added. However, I understand that there 
are commercial tools that can add instrumentation in an aop manner.


Jean-Christophe Kermagoret wrote:

> Hello,
> I'm working on performances for the application of a client. And it's 
> a little difficult to know which direction to take.
> I would like to define performance test guidelines that would permit 
> to every cocoon developer to test its application and drive easily its 
> own test. I read almost all the thread and documentation about 
> performances, but I just found a few tips (and it's already a good 
> thing). What I want is to analyze the cocoon code, and in more 
> details, the cocoon portal block.
> To conclude, and because it's a reccurent question, I will create a 
> wiki with all the information I will get here.
> Is there anybody that has already profiled Cocoon with JProfiler and 
> JProbe. Are the results interesting ? What are the tools' limits ?
> Finally, what I'm looking for is a tool that will show me how many 
> times a method is called, and how much it consumed. In a very naive 
> approach, a simple log in each method would be helpful. A few times 
> ago, somebody talked about AOP, have you heard about this thread ?
> I heard about JMX too, when people were thinking about removing 
> instrumentation from 2.2. Has it been developed ?
> Thanks for all the tips.

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