To comment on the following update, log in, then open the issue:
http://www.openoffice.org/issues/show_bug.cgi?id=97886


User kohei changed the following:

                What    |Old value                 |New value
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          Ever confirmed|                          |1
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                  Status|UNCONFIRMED               |NEW
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------- Additional comments from ko...@openoffice.org Fri Jan  9 14:36:44 +0000 
2009 -------
@er: I'm not sure.  The fix in issue 93998 is mostly effective on sheet data
source and/or data with lots of duplicate or empty rows.  The example data is a
database with no duplicate rows, so that fix wouldn't have been effective.

Having said that, when refreshing datapilot output with Base data, it takes some
time to refresh, but eventually it finishes.  But I admit, it still uses a lot
of memory and we should probably find more ways to reduce memory footprint 
there.

Just to provide a data point, on my system (openSUSE 11.0), the memory use
before refreshing was 248 MB, and it rose to 1.2 GB after refreshing.

What's interesting is that this problem already existed in 2.4 (according to
aladdin2k7's comment).  That version doesn't use cache tables, so the problem
may not be just in the cache table implementation.  Maybe the result calculation
code is using too much memory?  I don't know...

Sounds a little like Issue 55266 at first glance.

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