Mathias Bauer wrote:


So possibly the size of the Calc document created from the file (the
memory consumption of Calc itself) caused the swapping you experienced
but not the xml content itself that (as outlined above) never is read
into memory as a whole. This is what Daniel tried to point out: it's
Calc itself that consumes the memory, not the bytes of the file.

Best regards,
Mathias


Well that leaves me back where I started. Why is* there such a god-awful speed penalty compared to loading the same data from csv or xls? We're talking minutes for the ods vs. seconds for the other files -- orders of magnitude. And more to the point, what was causing all the disc thrashing? I mean it shut down FC3 for a good thirty minutes.

* Caveat: This occurred last spring, April or May, so it was on the then current 1.9.x version and I was running on 256 MB vs 640 MB of RAM now.

Unfortunately, I no longer have the file in question, though I could probably produce a similar one to test with. Problem is if it's better now, I'll never know if was the RAM or a bug in the 1.9.x OOo.

In any case, thanks for the courteous and informative reply.

--

Rod


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