Hi.,
I am not sure about everything else but the "first
hit stuff"..
It is possible to greatly reduce the "first hit"
time by having the c2 pre-compiled...This reduced the
"first-hit" time greately for me...(specially i have
lots of xsps)..
--- Karl_Řie <[EMAIL PROTECTED]> wrote: > I am sorry, I
really should have thought of that!,
> here we go:-)
>
> my system is:
> -------------
> - dual Pentium 1ghz
> - 4 gb ram
> - 2 speedraided ldv 9gb scsi disks
> - linux slackware 8
> - sun sdk 1.3.1
> - tomcat 3.2.3
> - xalan 2.2.d9
> - xerces 1.4.3
>
>
> wget timing:
> ------------
> first run of "toc.html" -> 41.879s
> second run of "toc.html" -> 0.013s (!!!)
>
> first run of "page.html?xpath=//*[@id='1222']" ->
> 58.031s
> second run of "page.html?xpath=//*[@id='1222']" ->
> 0.017s (!!!)
>
>
> questions:
> ----------
> as you can see the cache works great for a few
> pages, but the first hit
> takes a lot of time, so is it possible to hit every
> page at startup so the
> first visitors don't have to suffer?
>
> how can I tune my cache settings? I have tried with
> this:
>
> <store
>
class="org.apache.cocoon.components.store.MRUMemoryStore">
> <parameter name="freememory" value="1000000"/>
> <parameter name="heapsize" value="600000000"/>
> <parameter name="cleanupthreadinterval"
> value="10"/>
> <parameter name="maxobjects" value="100"/>
> <parameter name="usecleanupthread"
> value="true"/>
> <parameter name="threadpriority" value="5"/>
> <parameter name="filesystem" value="true"/>
> </store>
>
> but it doesn't really cut the cheese, after a some
> usage the site starts to
> regenerate the pages again, and the visitors will
> have to wait for nearly a
> minute for each call...
>
> am I doing something wrong here?
>
>
>
> mvh karl řie
>
>
>
>
>
> -----Original Message-----
> From: Berin Loritsch [mailto:[EMAIL PROTECTED]]
> Sent: 22. august 2001 21:53
> To: [EMAIL PROTECTED]
> Subject: Re: performance tuning...
>
>
> Karl Řie wrote:
> >
> > Hi, I have a very standard pipeline for my
> project. The file
> > "oversikten.xml" is filtered through the
> stylesheet
> > "oversikten.xsl" which uses parameters sent to it
> to filter/rearrange the
> > output.
> >
> > <map:match pattern="page.html">
> > <map:generate
> src="sources/oversikten.xml"/>
> > <map:transform
> src="oversikten.xsl">
> > <map:parameter
> name="use-request-parameters"
> value="true"/>
> > </map:transform>
> > <map:serialize type="html"/>
> > </map:match>
> >
> > The file "oversikten.xml" is about 4mb large, and
> the site performs quite
> > badly. Is there any tips for improving the
> performance short of splitting
> > the file into smaller parts as this I am not
> allowed to do that.
>
>
> What are the numbers your are targeting? (i.e. how
> fast do you need it?)
> What kind of hardware are you using?
> What are the current numbers you are getting? (i.e.
> how slow is it now?)
>
> To really help you, we need these questions
> answered.
>
> If you are using the Caching Pipeline, you should be
> able to experience
> better
> performance each time you request it. However, if
> your cache is set too
> small
> to keep the entire XML in memory, the cache will be
> of no benefit.
>
> How complicated are the XSLT stylesheets? If you
> are not using global
> variables
> or parameters, that speeds things up.
>
>
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Thanks and have great day
srini
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