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RE: Performance Problem Question: Web Container (Tomcat) vs. Console excecution

2005-06-26 18:03:32
The environment is more or less out of the box.  As it turned out I was
not using Saxon on the web container, as I thought.  Interesting is the
big performance difference between using Xalan (>20 seconds) and Saxon
(~2 seconds).


Andreas Guther
PaymentOne
ext 4109

-----Original Message-----
From: Michael Kay [mailto:mike(_at_)saxonica(_dot_)com] 
Sent: Friday, June 24, 2005 12:42 AM
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: RE: [xsl] Performance Problem Question: Web Container (Tomcat)
vs. Console excecution

There's something very wrong with the configuration of your tomcat
environment, but without more information it's impossible to say what.

Michael Kay
http://www.saxonica.com/
 

-----Original Message-----
From: Andreas Guther [mailto:aguther(_at_)paymentone(_dot_)com] 
Sent: 23 June 2005 16:49
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] Performance Problem Question: Web Container 
(Tomcat) vs. Console excecution

 
Hello!

I am using Saxon 6.5.3 and I am seeing a huge performance difference
transforming the same input file once via console and then 
within a web
container, here Tomcat 5.

I wonder if there is something I can fine tune to get the same
performance seen in a console window when running within a web
container.

What happens is the following:

We have an application that retrieves XML data from the backend and
transforms it with XSLT to different output formats.

If I have huge XML input my web application has to wait about 
25 seconds
for a transformation.  I have captured the XML data and saved it in a
file.  I then run from command line the same transformation 
with Saxons
-t option to see that the transformation here only takes 1.5 seconds.

The XML nicely formatted has 20,464 lines and its size is 
853,587 bytes.

The 1.5 seconds in this extreme case is acceptable and I would be fine
with it.  But then I have the same execution within the web container
and get the 25 seconds which is a major drag.

Is there a general explanation for that or recommendations 
what could be
altered to achieve a better performance?

Thankful for any ideas and advice,

Andreas



Andreas Guther
Software Engineer
PaymentOne 
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