Xalan XSL transformations in the 1.4 JDK can be VERY slow
Friday, October 13th, 2006At work as part of our XML data feed product we end up doing XSLT transformations on XML files starting a a few MB all the way up to several hundred MB. Using the 1.4.2 JDK it took over 4 days to do the XSL transformation on the largest file so over lunch one day we started brainstorming our troubleshooting approach. When we tried it on the 1.5 JDK the same transformation took a couple of minutes as opposed to 4 days. Talk about an improvement!
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