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https://issues.apache.org/jira/browse/XERCESC-1732?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Boris Kolpackov updated XERCESC-1732:
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Fix Version/s: 2.9.0
Scheduling it for 2.9.0 since it is 2-series-specific.
> reducing allocation sizes in DOMDocumentImpl.cpp
> ------------------------------------------------
>
> 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
> Fix For: 2.9.0
>
> Attachments: 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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