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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: XML Performance in a Transacation
> Date: Wed, 22 Mar 2006 16:19:56 -0500 > From: d_a_carver@y... > To: xml-dev@l... > Subject: XML Performance in a Transacation > > I've been requested to provide some numbers to show that actual XML > validation results and parsing are a small portion of the overall > transaction process, when dealing with XML in a B2B process. Any > information that can be provided would be appreciated. See http://lists.w3.org/Archives/Public/www-ws/2004Oct/att-0032/MNicola_CIKM_2003_1_.pdf "XML Parsing - A Threat to Database Performance." Be forewarned that the conclusion may be unpalatable:
"We reported real-world experiences of using XML with databases where XML parsing was the main performance bottleneck. This motivated an analysis of the cost of SAX parsing and DTD & XML schema validation. We find that parsing even small XML documents without validation can increase the CPU cost of a relational database transaction by 2 to 3 times or more. Parsing with schema validation and without grammar caching can increase transaction cost by 10 times or more. This is a serious problem for high performance transaction oriented database applications which intend to use XML"
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