Re: [OT] Re: Apache Module (Xalan?)

["Khalid Asad" <asad@xxxxxxxxxxxxx>]

Jon,

Thanks for your comments.

I have a lot of documents to transform against the same stylesheet, so I'm
hoping I can compile the stylesheet exactly once when the system starts up.
Right now I'm using Xalan, but I can consider others.


Khalid

----- Original Message -----
From: "Jon Smirl" <jonsmirl@xxxxxxxxxxxx>
To: <xsl-list@xxxxxxxxxxxxxxxx>
Sent: Thursday, June 01, 2000 2:30 PM
Subject: Re: [OT] Re: Apache Module (Xalan?)


> I haven't measured it exactly since it was so slow but there is a big
> different between compiled and not compiled. The XML parser is about the
> same speed as the XSL transform stage. Compiling the sheet each time means
> you have to parse it each time which will half your throughput.
>
> My XML input to the compiled XSL sheet is never parsed either. My db
> integration code generates SAX events straight into XT allowing me to
avoid
> another XML parse. Retrieving a page from my system does not involve any
XML
> parsing once the cache is active. For Java based systems XT/XP is twice
the
> speed of any of the other available solutions.
>
> Another trap is the document() function for making the stylesheet
available
> for input into the transform. XSL and XML don't treat white space the same
> so the DOM trees have to be different. Using document() will cause the XSL
> sheet to be reparsed.
>
> None of these schemes are fast enough for building an interactive
ecommerce
> app with fifty simultaneous users. It looks like C based code is my only
> solution. Now that MS is up to speed on the XSL bandwagon I'm looking at
> moving all of my transforms into the browser.
>
> Jon Smirl
> jonsmirl@xxxxxxxxxxxx
>
>
>
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