perfsonar development work

[Jason Zurawski <>]

Ilias;

> I'm trying to come up with a methodology for performance testing. So I 
> have a question for the developers. Do you use anything (else than 
> printf nd system.out) for profiling your services? Would you be 
> interested to use anything like this?
> This is because i have stumbled upon two interesting tools :
>
> JRat:

I have used this before, it is easy to install and gives useful 
information.  This would also be interesting from a web services point 
of view (although it is not really a profiler):

http://www.lambdaprobe.org/d/index.htm

> Lambda Probe (formerly Tomcat Probe) is a self sufficient web 
> application, which helps to visualize various parameters of Apache 
> Tomcat instance in real time. Lambda Probe is designed to work 
> specifically with Tomcat so it is able to access far more information 
> that is normally available to JMX agents. 

-jason