https://issues.apache.org/ooo/show_bug.cgi?id=123919

            Bug ID: 123919
        Issue Type: DEFECT
           Summary: Calc is unacceptably slow in opening the attached XLSX
                    file (BG8)
           Product: Calc
           Version: 4.0.0
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: open-import
          Assignee: [email protected]
          Reporter: [email protected]
                CC: [email protected], [email protected],
                    [email protected], [email protected],
                    [email protected]

Created attachment 82171
  --> https://issues.apache.org/ooo/attachment.cgi?id=82171&action=edit
Calc is very slow in opening this file

Moving here part of the discussion from
https://issues.apache.org/ooo/show_bug.cgi?id=123429 since it's unclear if the
root cause is the same for both files.

Let's keep this issue open for discussing the BG_8_RdA_RES5.xlsx file only
(reattached to this issue).

Comment #5 giuseppe d'ambrosio 2013-10-23 10:29:04 UTC

Created attachment [reattached here]
another testcase

1 sheet, 9 rows x 11 cols: opening with excel 2010 takes 0.3 sec.,
while OO takes ~10min.

Comment #6 Regina Henschel 2013-10-23 11:31:02 UTC

The document does not only contain the rows with real content, but thousands of
rows of the kind
<row r="15" spans="1:11" x14ac:dyDescent="0.25" ><c r="A15" s="4" /></row>

Comment #7 Regina Henschel 2013-10-23 13:50:26 UTC

Following Microsoft's tip in
http://msdn.microsoft.com/en-us/library/ff726673%28v=office.14%29.aspx#xlMinUsedRange
I can see, that the last used cell is K65536 in the attached document.

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