On Friday, July 4, 2003, at 04:55 AM, Robin Berjon wrote:
Alan Edel wrote:Some additional info:
- This is a dual-cpu system, and is not busy at the time of the request.
- An xml file of 3,750,509 bytes will cause this problem to occur.
- An xml file that's 984,519 bytes takes a LONG time to process, but does
eventually complete. In this case, the request starts at 13:30:59 and
finishes at 13:38:01. There appear to be three choke points:
a. xs_get_styles_str() -- this step takes 15 seconds
b. [LibXSLT] performing transformation -- this takes OVER 6 MINUTES
(from 13:31:15 to 13:37:53)
c. [LibXSLT] outputting to $r -- this takes 8 seconds
What does your stylesheet do? It is terribly easy to write non-optimal stylesheets. It won't be noticeable on small files, but on larger ones it becomes terrible. I remember just tweaking an XPath a little bit and bring a processing from 4 minutes down to a few seconds.
xsltproc has a nice option, --norman, that will profile your code too, it's great :-) :-)
simon
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