https://bugs.documentfoundation.org/show_bug.cgi?id=121094
Bug ID: 121094
Summary: Performance: Opening xlxs with many rows takes several
minutes
Product: LibreOffice
Version: 6.2.0.0.alpha1+ Master
Hardware: All
OS: All
Status: UNCONFIRMED
Keywords: perf
Severity: normal
Priority: medium
Component: Calc
Assignee: [email protected]
Reporter: [email protected]
Created attachment 146224
--> https://bugs.documentfoundation.org/attachment.cgi?id=146224&action=edit
Example file from Excel with 800k rows
Attached user-made xlsx has a few rows with actual data then 800k empty rows
that are actually saved. I have no idea how or why they made it so.
Opening this in Excel takes a few seconds, but in Calc it takes several minutes
with 100% processor use. Memory use jumps inside a range of a few megabytes, so
it does not run away.
It would be nice to improve performance in case of such "extreme" files.
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