Re: Optimizing Trax

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Subject: Re: Optimizing Trax
From: "J.Pietschmann" <j3322ptm@xxxxxxxx>
Date: Fri, 20 Jun 2003 21:12:55 +0200

Schwartz, Rechell R, ALABS wrote:

I am using Trax to transform my xml files, and am finding the performance
very slow especially for large files. Are there any ways of optimizing the
performance such as by pre-compiling the stylesheets?

Yes, but your time is probably wasted elsewhere.

> transformer = tFactory.newTransformer(new StreamSource(getClass().getResourceAsStream(xsl))); > transformer.transform(new DOMSource(document), new StreamResult(out)); ^^^^^^^^^^^^^^^^ Use a profiler to check where your program wastes time: - DB access or whereever you get your raw data - DOM construction - transformation If it is the latter, check your XSL for inefficient constructs. If it is DOM construction, use SAX. Also DOM uses a lot of memory, which may be a problem in itself (more GC).

J.Pietschmann

XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list

Current Thread

Optimizing Trax
- Schwartz, Rechell R, ALABS - Fri, 20 Jun 2003 09:05:15 -0400 (EDT)
  - Robert Koberg - Fri, 20 Jun 2003 10:51:08 -0400 (EDT)
  - J.Pietschmann - Fri, 20 Jun 2003 15:13:33 -0400 (EDT) <=
  - <Possible follow-ups>
  - Schwartz, Rechell R, ALABS - Fri, 20 Jun 2003 14:25:31 -0400 (EDT)
    - Michael Kay - Sat, 21 Jun 2003 10:22:35 -0400 (EDT)
  - Schwartz, Rechell R, ALABS - Fri, 20 Jun 2003 15:23:02 -0400 (EDT)
    - Rob Rohan - Fri, 20 Jun 2003 15:55:10 -0400 (EDT)

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RE: Optimizing Trax, Robert Koberg	Thread	RE: Optimizing Trax, Schwartz, Rechell R,
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