https://bz.apache.org/bugzilla/show_bug.cgi?id=66532
Bug ID: 66532
Summary: [PATCH] Improve performance of SheetDataWriter
Product: POI
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: enhancement
Priority: P2
Component: XSSF
Assignee: dev@poi.apache.org
Reporter: matthias.raschho...@gmail.com
Target Milestone: ---
Created attachment 38524
--> https://bz.apache.org/bugzilla/attachment.cgi?id=38524&action=edit
Patchset of SheetDataWriter
Performance tests showed that creating rows in a SXSSF sheet with lots of data
spend a substantial amount of cpu time escaping the strings to write using
#outputEscapedString.
By simplifying the loop and avoiding to convert between string and codepoints a
bunch of times, we can improve the writing speed by a good amount.
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