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Posted to dev@poi.apache.org by bu...@apache.org on 2017/10/18 15:57:18 UTC

[Bug 61630] [PATCH] Performance Tweaks in XSSFExportToXML

https://bz.apache.org/bugzilla/show_bug.cgi?id=61630

Javen O'Neal <on...@apache.org> changed:

           What    |Removed                     |Added
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                 OS|                            |All
             Status|NEW                         |NEEDINFO

--- Comment #1 from Javen O'Neal <on...@apache.org> ---
Did the private selectNode method, which is called by private getNodeByXPath,
and, in turn, other methods, affect the performance?

It looks like the general idea here is to avoid creating a NodeList, since that
eagerly traverses the XML nodes. A lazy traversal approach seems to be
significantly faster here, based on your findings.

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