Carlo,

Just wanna to check if you are using Xerces-C++ 1.6 or 1.7?  Xerces-C++ 1.7
has some performance enhancement in schema processing.  So you better try
this version.

Besides large value of minOccurs or maxOccurs may be another performance
blocker.  See http://xml.apache.org/xerces-c/schema.html for limitations.

Tinny

----- Original Message -----
From: "Carlo Agopian" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, May 07, 2002 11:16 AM
Subject: RE: Schema validation time >25 secs


> No, I don't have full schema validation turned on:
>
> parser->setValidationSchemaFullChecking(FALSE);
>
> Do you think that >25 seconds is unusually long?
>
>
> Carlo
> [EMAIL PROTECTED]
>
>
>
>
>
> -----Original Message-----
> From: Khaled Noaman [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, May 07, 2002 7:24 AM
> To: [EMAIL PROTECTED]
> Subject: Re: Schema validation time >25 secs
>
>
> Hi Carlo,
>
> If you are enabling the full schema checking option, you can speed up
> validation by disabling that option. With full schema checking enabled,
the
> parser will perform UPA and Particle derivation consitency checking which
is
> process and memory intensive.
>
> Khaled
>
> Carlo Agopian wrote:
>
> > All,
> >
> > I've been experiencing schema validation time using the DOMParser and
> > SAXParser class greater than 25 seconds.  Is it expected to take that
> long?
> > The XML instance document size is just ~500 bytes, but the combined size
> of
> > the schemas is ~400 kbytes.  When I turn off validation, parsing occurs
> > almost instantaneously.  Is there a way to speed up schema validation?
> >
> > Thanks,
> >
> > Carlo
> > [EMAIL PROTECTED]
> >
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