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Nick DoralpSubject: Validation too slow!!!!
Author: Nick Doralp
Date: 13 Feb 2008 08:41 AM

My XML files are anywhere from 10,000 to 40,000 records.

I am finding this applciation to be painfully slow. It takes almost 15 minutes or so to just replaint the screen ro reposition it.

My desktop is Pentium 4 3.20Ghz, 1gb RAM, XP 2002 SP2. And running the latest version of Professional.

Any tips?
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Minollo I.Subject: Validation too slow!!!!
Author: Minollo I.
Date: 13 Feb 2008 08:53 AM
The Apache Xerces C++ validation engine used by default by Stylus Studio requires to materialize the whole document in memory (creating a DOM) to run XML Schema validation; that will slow down things dramatically on large documents.

The other validation engines available in Stylus *may be* faster. If you can rely on a streaming based validation engine, you can configure it in Stylus as a custom validation engine.
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Nick DoralpSubject: Validation too slow!!!!
Author: Nick Doralp
Date: 13 Feb 2008 09:25 AM
>If you can rely on a
>streaming based validation
>engine, you can configure it
>in Stylus as a custom
>validation engine.

Thank you for your quick response.

You also just made me realize how green I am on this subject. :-)

If you have the time, can you please expand on your above statement and may be nudge me to the right direction to try just that?

Cheers, Nick
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Minollo I.Subject: Validation too slow!!!!
Author: Minollo I.
Date: 14 Feb 2008 03:06 PM
The only project I'm aware of close to be a streaming XML Schema validation engine is Woodstox (http://woodstox.codehaus.org/); their 4.0 pre-release should expose streaming XML Schema validation.

Assuming you can invoke Woodstox through a command line (or assuming you write a wrapper to invoke it through a command line), you can configure it in Stylus Studio as a custom validation engine: http://www.stylusstudio.com/docs/v2008/d_adv2.html#wp254767

   
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