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From Giacomo Pati <giac...@apache.org>
Subject Re: Cocoon Performance Woes, Is it flow? I don't know!
Date Fri, 18 Mar 2005 17:19:32 GMT


Eric E. Meyer wrote:
> Bertrand Delacretaz wrote:
> 
>> Le 17 mars 05, à 18:30, Eric E. Meyer a écrit :
>>
>>> ...Some pages in the site scale quite well, while one in particular does
>>> not scale well at all..
>>
>>
>>
>> Did you try to run tests on just that page, many same requests, and 
>> try removing components from the page generation path, one after the 
>> other?
>>
>> This should help you isolate the component that causes the problem, to 
>> narrow your search.
>>
>> You could also create a request-specific logger, one for each request, 
>> store it in the request context and use it to log times at various 
>> stages, with a unique request ID. This would help find worst case times.
>>
>> -Bertrand
> 
> 
> These are great ideas. Any other suggestions as to how to get a better 
> picture of what's going on? It's been a bit frustrating trying to get a 
> complete picture? For example, is there a way to see monitor the avalon 
> component pool sizes and utilization?

Haha :-) calls for "instrumentation"

Cheers

Giacomo

PS: Eric, sorry, this is an insider joke you might not understand but I
couldn't resist to do as 6 month ago the Instrumentation code was removed.

-- 
Giacomo Pati
Otego AG, Switzerland - http://www.otego.com
Orixo, the XML business alliance - http://www.orixo.com

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