Sorry, I mean Alexander!

On 24/07/07, Martin Denham <[EMAIL PROTECTED]> wrote:

Hi Jesse,

I thought the ContextLoaderListener would just be called once on startup.
Does it do something on every request?

Martin

On 24/07/07, Jesse Alexander (KSFD 121) <[EMAIL PROTECTED]>
wrote:
>
>  I remember that long time ago I did a comparision for the same
> reason...
> and we found out, that the xml-processing on the solaris box was WAY
> slower than on the
> Win-Box.
> We never really found out why, though...
>
> regards
> Alexander
>
>  ------------------------------
> *From:* Martin Denham [mailto:[EMAIL PROTECTED]
> *Sent:* Tuesday, July 24, 2007 4:48 PM
> *To:* MyFaces Discussion
> *Subject:* Re: 4 second page response time
>
> Thanks for the tips but our sys admins weren't keen on doing a kill and
> because I only get performance problems on the central Solaris server it was
> tricky to follow your advice.  I checked for missing tld/xsd warnings and we
> aren't getting any even though, as you guessed, the Solaris server does not
> have internet access.
>
> However, I have managed to find another of our jsf applications which
> did not have the 4/8 second page response delay and so I slowly migrated
> this to be more like the troublesome application.
>
> The main problem occurs when I include
>     <listener>
>         <listener-class>
>             org.springframework.web.context.ContextLoaderListener
>         </listener-class>
>     </listener>
> in web.xml.  Yes, the problem also occurs if I use ContextLoaderServlet
> too.
>
> After including ContextLoaderListener performance deteriorates
> considerably from 2 second response to more than 4 even if I don't load any
> spring contexts.
>
> Has anybody any idea why ContextLoaderListener slows down my application
> running on Weblogic 8.1 on Solaris?
>
> Many thanks.
>
> Martin
>
> On 23/07/07, David Delbecq <[EMAIL PROTECTED]> wrote:
> >
> > En l'instant précis du 20/07/07 15:02, Martin Denham s'exprimait en
> > ces
> > termes:
> > > I have had a performance issue with both the JSF applications I have
> > > written.
> > >
> > > On my windows xp development pc responses are instant.  However when
> > > deployed to a Sun Ultra 80 Solaris machine every page takes 4
> > seconds
> > > and if I add a redirect the response time increases to 7 seconds.
> > > Another application on the same Solaris machine, but written using
> > > Struts has instant page response times.
> > >
> > > Is a simple page response time of 4 seconds expected when using JSF?
> >
> > > I have tried all sorts of tweaks during the past year but the
> > response
> > > time is unaffected.
> > Simple answere: no. I will have to profile your application to find
> > out
> > where your CPU bottleneck (if it's a CPU bottleneck) is, or where your
> >
> > network bottleneck is. Because JSF uses value binding which can do
> > lots
> > of things, any badly written/badly used bean can be at cause (like a
> > bean loading 50.000 items for a database at each request).
> > Simple suggestion:
> > when you load a JSF page, go in a console to your solaris station and
> > run a kill -3 <JVMpid>, this will dump to the jvm's stdout a
> > stacktrace
> > of all running threads. From there you could see where the code is
> > waiting / busy.
> >
> > could it be some xml parser uses a xsd/dtd which is not available. If
> > production server is firewalled, maybe the server is just trying to
> > download the schema/dtd and finishes on a timeout of approx 4 seconds?
> >
> > >
> > > I am using Myfaces & tomahawk 1.1.5,  Weblogic 8.1sp4, Facelets
> > > 1.1.12.  One application uses Oracle ADF and the other
> > Ajax4Jsf/Richfaces.
> > >
> > > Thanks in advance for any pointers.
> > >
> > > Martin
> > >
> > >
> >
> >
> > --
> > http://www.noooxml.org/
> >
> >
>

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