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   XML Performance question

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  • From: "Lippmann, Jens" <LippmannJ@mmanet.com>
  • To: "'xml-dev@ic.ac.uk'" <xml-dev@ic.ac.uk>
  • Date: Mon, 5 Apr 1999 09:25:48 -0400

Following the XML for the last couple month, I am surprised how little
attention is paid to performance. My  optimistic personality leads me to the
conclusion that performance is not an issue. :) 
However, I would be very interested on an expert's guess on the following
Assume the following XML document:
   <ACCOUNT MANAGER="Joe Smith" ID="000001">
      <AUDIT DATE="03/31/1999">
               <PRICE CURRENCY="US">4289.23</PRICE>

Each document will contain about 10^4 <SECURITY> elements each will contain
between 10 - 10^2 child tags, and I have to handle about 10^2 documents a
day, i.e. we're dealing with 10^7 to 10^8 tags. So far, the benchmarks I've
got are pretty devastating.  I have to visit every sub-element
of  <SECURITY> at least once during the number crunching and I cannot keep
everything in memory. I am considering one of the XML repositories to help
me with the job.
Any comment would be much appreciated.

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