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From Gianny Damour <>
Subject Re: What are the ways to check Geronimo performance?
Date Fri, 21 Mar 2008 01:08:13 GMT
On 21/03/2008, at 4:53 AM, David Jencks wrote:

> On Mar 20, 2008, at 10:28 AM, newbie-gero wrote:
>> Hi lists,
>> i have read up about the Geronimo and it seems to be a very good  
>> application
>> server. However i like to check the performance of Geronimo.
>> So i like to ask all of you what are the ways to check for the  
>> scalability,
>> invocation speed, how much it can handle multi threaded functions,  
>> the
>> transport speed. Therefore i like to know what are the test tools  
>> i can use
>> or implement or how to go about it.
>> Do any of you have done these before?
> Well, Matt Hogstrom did a lot of work along these lines but he's  
> not very active at the moment.  We have a benchmarking application  
> called daytrader that can be used to test a lot of functionality.   
> However IMO it is rather difficult to get useful comparative  
> information between app servers without an enormous amount of work  
> and hardware.  Basically with tuning any well-known app server goes  
> pretty darn fast, and in any particular benchmarketing study  
> usually the one that the organization that does the study is more  
> familiar with wins due to better tuning.  I think the main use of  
> apps like this is to pinpoint specific performance bottlenecks and  
> provide a relatively controlled environment to try out solutions  
> for them.
> some of the things you are likely to need to get meaningful results:
> one or more real servers (multiprocessor multicore)
> lots of client machines
> a c-based test harness (Matt couldn't find a java based test  
> harness that could keep up with the server)

FWIW, you may want to give a try to tsung, http://tsung.erlang- It is implemented in Erlang and, hence, can simulate a  
ludicrously large number of clients from a single host.


> Kevan's provided links to a couple of Matt's reports.  At one time  
> geronimo 2.x had severe performance problems looking up Datasources  
> in jndi, but this has been fixed.  I'm not sure if the latest  
> report is before or after this fix.
> thanks
> david jencks
>> Thanks in advance
>> -- 
>> View this message in context: 
>> ways-to-check-Geronimo-performance--tp16184525s134p16184525.html
>> Sent from the Apache Geronimo - Dev mailing list archive at  

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