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From "Nicola Ken Barozzi" <>
Subject Re: Cocoon for docs generation
Date Tue, 29 Jan 2002 07:49:09 GMT

----- Original Message -----
From: "Sylvain Wallez" <>
To: <>
Sent: Monday, January 28, 2002 8:52 PM
Subject: Re: Cocoon for docs generation

> Nicola Ken Barozzi wrote:
> >Cocoon in docs build is slow. :-(
> >On the same documentation set
> >(PIII 1Ghz, 512 Mb, W$2000SP1, Jdk Sun 1.3.1_01):
> >
> >Anakia: 4 sec
> >Cocoon of two weeks ago: 50 sec
> >Cocoon of two weeks ago precompiled sitemap: 16 sec
> >Cocoon HEAD: 45 sec
> >Cocoon HEAD with cocoon.xconf tweaks: 38sec
> >Cocoon HEAD precompiled sitemap: 18 sec
> >Cocoon HEAD+TreeProcessor: 2 sec (only index.html compiled)
> >
> Could you elaborate on the last line : do you mean Cocoon with
> TreeProcessor is the fastest, or that is fails after the first page ?
> Depending on this, I will be happy or sad ;)

It processes correctly index.html and related resources but doesn't crawl
other pages.
I've checked if the "cocoon-view=links" workson the webapp version: yes it
does. :-)

BTW, when I use you treeprocessor on the current sample sitemap I get this
Type 'parentcm' is not defined for 'generate' at

then I delete the relevant pipeline and get:
Type 'xmldbcollection' is not defined for 'generate' at

Then delete DB pipelines and *all* samples work :-)

It seems this is a feature, but them we have something not correct in
current sitemap.

> >I'm struggling to keep other developers on the project use Cocoon, but
> >dead hard, and I can't blame them.
> >It seems that link crawling and setup times are the main culprit.
> >In what direction should I go to get faster performance?
> >
> For setup time, the main point is pool size : set all Poolable
> components with a pool-min="1" in cocoon.xconf
> >I would like to make the docs generation a Cocoon speed index: SpeCoon,
> >using my machine as a reference. ;-)
> >
> On this subject, I proposed today to build a JMeter (an Apache project
> ;) test suite that could be used to compare Cocoon versions. I don't
> know JMeter, so I'm looking for volunteers...

I've used JMeter already to test Cocoon in the past, but I've still to
finish the logging stuff and the error doco.
I think that the first thing is making a clean webapp with only testing
stuff, that never changes.
What do you think could be used to measure performance aspects of cocoon?

Nicola Ken Barozzi       
These are the days of miracle and wonder...
 don't cry baby, don't cry...
                                                  Paul Simon

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