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RE: XML Performance in a Transacation

• To: "'Rick Marshall'" <rjm@z...>,<d_a_carver@y...>
• Subject: RE: XML Performance in a Transacation
• From: "Michael Kay" <mike@s...>
• Date: Thu, 23 Mar 2006 11:09:04 -0000
• Cc: <xml-dev@l...>
• In-reply-to: <44222152.2060303@z...>
• Thread-index: AcZOPENBZjrDJ3WGSbuoOEWbLAP0QQALV+HQ

> my observations - for small messages and documents it all seems to be 
> fast enough (haven't had any performance issues to cause me 
> to measure it).

One thing I discovered (or rather, which Wolfgang Hoschek pointed out to me)
is that if you are parsing lots of small documents you can get a big saving
by reusing the XML parser rather than instantiating a new one for each
parse. This might be parser-specific, but certainly for Xerces there seems
to be a big initialisation cost.

It's often small details like this that make the difference between lousy
performance and brilliant performance. The only problem is discovering the
bottleneck!

Michael Kay
http://www.saxonica.com/

• References:
  • Re: XML Performance in a Transacation
    • From: Rick Marshall <rjm@z...>

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