Andreas Engfer wrote:
First off, what are your typical response times on the server (recorded in cocoon.log
as INFO messages).
Also, for production, it is recommended to pregenerate your XSP files, and make
the appropriate settings in Cocoon.xconf so that the ProgramGenerator does not
try to compile your XSP and Sitemap.
How does this affect things?
For simple transformations I have seen response times of 20 ms or less
(if served from cache 0 ms) per page request. I use Tomcat 3.3m4 because
it is better designed for speed. You may get better results with Caucho's
Resin.
My machine is an Athlon 750 (you never mentioned the speed of your processor)
with 256 MB RAM on Win2000 and Sun's JDK 1.3.0_02 HotSpot Server.
I have bombarded my machine with 20 users, and the response time stayed
around 60ms a request or less (the welcome page on C2 samples).
Also note: make sure you have the "oradb" attribute set to true in your
<pool-controller/> element for your database settings.
>
> Hi all,
>
> I am testing Cocoon2 with the Distributed Application Tester of IBM and
> I made some surprising experiences!
> Start testing my whole application (XSP – Pages, connecting and using an
> Oracle DB - - - with connection pooling - , applying stylesheets -.xsl -
> for the rendering of html) with an increasing count of clients -> the
> average response time grew up linearly with factor two.
> I assumed that working with the database causes the linear increase of
> response time. But neither testing the application without database
> connection, nor testing only the main page of the given examples of
> cocoon2 were different. Tthe result was the same:
> Client increase (+1) causes the double average response time. In
> addition to it even one client needs the whole CPU with a java –
> process.
> I guess, with these results Cocoon2 is not usable in a production
> environment with a large amount of users: the more users - > the longer
> the response time, starting allready with two users ???!!!
> Has anyone made the same experiences or can tell me what I made wrong? I
> would be pleased to hear from you.
> My system is constituted by Tomcat 3.2 with Cocoon2. My machine (Pentium
> III, 390 M RAM) is running with Win2000.
>
> Regards
>
> Andreas
>
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