I made several posts earlier in the list regarding the memory usage
within the SAX2XMLReader. I have since traced this memory to the
creation of the ElemStack which is used to validate and check and XML
document for well-formedness. This however becomes very memory
intensive for XML documents which are structured as database tables (ie.
XML exported from Microsoft SQL Server) which may contain large numbers
of records (direct children of the root node).
This happens to be the case with the product I am developing, and as a
work around, I have added a feature to the SAX parser that allows for
well-formedness checking to be turned off within the parser, thus
bypassing the addition of elements to this stack. I know that is absurd
since it directly contradicts the XML specification which states that
all XML files must be well-formed. However, it required way too much
memory to parse these large XML files, even using a SAX parser, due to
this stack being created. I was just wondering if other people have
encountered this sort of problem, and if there is a different fix
available than the one that I have implemented. Also, if anybody would
like the fix that I have implemented, just ask... I would be more than
happy to provide the source code changes.
By the way, I am using Xerces-C 1.5.1.
Mark
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