reducing allocation sizes in DOMDocumentImpl.cpp
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Key: XERCESC-1732
URL: https://issues.apache.org/jira/browse/XERCESC-1732
Project: Xerces-C++
Issue Type: Improvement
Components: DOM
Affects Versions: 2.7.0
Environment: Debian gnu/Linux
Reporter: Jay Berkenbilt
Attachments: allocation.patch, allocation.patch
The debian maintainer of the Shibboleth packages forwarded a patch to me which
I am attaching. This patch decreases the values of kHeapAllocSize and
kMaxSubAllocationSize in DOMDocumentImpl.cpp. Evidently, decreasing the chunk
size here has significantly improved performance of shibboleth. As far as I
can tell, no one has reported this here. I see that this patch would not apply
cleanly to the file on the trunk, and it appears that this stuff has already
been tweaked for performance reasons, but perhaps someone can evaluate whether
this is a sensible patch. The source of the path is someone I consider
reliable, so I'm going to go ahead and patch the debian version of the
packages. (I am the debian maintainer for the xerces packages.)
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