RE: [xsl] Question of performance

["Chris Bayes" <chris at bayes dot co dot uk>]

Jay,
For such a simple task surely you should be looking at SAX. Which is
supported by msxml.

Ciao Chris

XML/XSL Portal
http://www.bayes.co.uk/xml


> -----Original Message-----
> From: owner-xsl-list@lists.mulberrytech.com 
> [mailto:owner-xsl-list@lists.mulberrytech.com] On Behalf Of Jay Kline
> Sent: 01 November 2001 00:36
> To: xsl-list@lists.mulberrytech.com
> Subject: Re: [xsl] Question of performance
> 
> 
> The "preprocessing" is all that really needs to be done.  It 
> is a log file 
> (in XML format) and I only want to display records that meet specific 
> conditions.  So initally there isnt any back and forth. 
> Regardless, it is 
> somewhat unreasonable to load the entire file into memory. 
> Does saxon, xslt, 
> or any other processor have the capibility of "streaming" 
> where there would 
> be no back and forth (and not load the entire file into 
> memory at once)?
> 
> Jay
> 
> On Wednesday 31 October 2001 02:41 pm, you wrote:
> > The xslt processor might have to go back and forth within the xml 
> > document, so any approach except having it all in memory 
> would be very 
> > tricky.  Like sorting a very large file that can't be sorted all in 
> > memory, it could be done, but the xslt processors aren't at 
> that point 
> > yet.
> >
> > Perhaps you can preprocess your xml file into smaller pieces, then 
> > combine the results afterwards.
> >
> > Cheers,
> >
> > Tom P
> >
> > [Jay Kline]
> >
> > > I have a fairly large (41 KB) xsl document that is of course used 
> > > for processing xml documents.
> >
> > Along the same lines, I have a really big (200Mb+) XML 
> document that 
> > needs to be parsed by a small (10 or so lines) XSL document on a 
> > Windows machine.  I have tried the Microsoft COM object in some 
> > VBScript, but it seems to want to
> > load the entire XML document into memory, and if much of 
> anything else is
> > running on the system it more or less pukes, and at the 
> very least takes
> > several minutes just loading the document before any 
> processing begins.  Is
> > there a better way of doing this? Java is not installed on 
> the system,
> > though
> > we are not opposed to doing so if there is better performance.
> >
> >
> >
> >
> >  XSL-List info and archive:  
> http://www.mulberrytech.com/xsl/xsl-list
> 
> -- 
> Jay Kline
> 
> list@slushpupie.com
> http://www.slushpupie.com
> --
> Increased knowledge will help you now.  Have mate's phone bugged.
> 
>  XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list
> 
> 


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