Samuel -
That's interesting. Have you done any comparisons of this between C1 and
C2? It's hard to see why Xalan should be slower with C2 than with C1.
Tim
> -----Original Message-----
> From: Samuel ARNOD-PRIN [mailto:[EMAIL PROTECTED]]
> Sent: Sunday, 8 July 2001 18:27
> To: [EMAIL PROTECTED]
> Subject: Re: [C2] Speed problem - transformation process?
>
>
> I've noticed for example that variables are very slow...
>
> if I declare at the beginning <xsl:variable..> and use it everywhere..
> it is very very slow !
>
>
>
> "Bentley, Tim" a écrit :
> >
> > Hi -
> >
> > I've got a problem with C2 which _seems_ to be to do with XSL
> > tranformations.
> >
> > I'm running C2.1 dev (last week's build), with Tomcat 3.2.1
> on NT (P3
> > 500mhz, 256mb RAM, 6gb disk). I also have C1.8.2 set up on the same
> > machine, also running under Tomcat 3.2.1, which I have been
> using for
> > comparison purposes.
> >
> > I have been converting a C1 app over to C2, and got
> everything working the
> > other day. However, it is horribly, horribly slow -
> requests which were
> > taking 50-80 milliseconds under C1 are taking 3-5 seconds.
> >
> > I've been able to log timestamps at various points, and
> have isolated where
> > the problem area seems to be - one line in my XSP code (a
> call to JNDI to
> > query an LDAP directory) in a particular page is where most
> of the delay is
> > occurring (around 3-5 secs worth).
> >
> > The interesting thing is that the speed problem does not
> occur at all if the
> > page in question is just generated (without doing stylesheet
> > transformations). This seems odd, as I would assume that
> the generation
> > process has to be complete before the stylesheet can be
> applied, yet it
> > appears that when a stylesheet transformation is specified
> the actual
> > generation process for this page slows down as well - I can
> see this from my
> > log lines showing the timestamp at key points. The
> stylesheet is not
> > particularly complex, and under Cocoon 1.8.2 the whole
> thing was pretty
> > quick. In C2 you can see the machine slow down while the
> page is being
> > processed - the JVM is maxing out the processor.
> >
> > Does anyone have any clues as to what could be causing
> this? I did wonder
> > whether it could be something to do with caching - I am
> trying to cache both
> > the XSP page and the stylesheet. From the log entries I
> think both are
> > being cached. I assume now though that is is a problem
> either with my
> > configuration or in some bizarre way with my XSP and/or
> XSL, but I'm at a
> > bit of a loss to know what it could be. It's also a bit of
> a blow to find
> > that something which worked perfectly in C1 has problems in C2.
> >
> > Regards,
> >
> > Tim Bentley
> >
> >
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