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From: Kay Schenk <kay.schenk@gmail.com>
Date: Wed, 27 Dec 2017 08:21:28 -0800
Message-ID: <CAGj32141i-d8-PcxEmPWY8X=C=9s_nfx_QkErZje5te4iHY3Pw@mail.gmail.com>
Subject: Re: Problems with large fles in Writer?
To: OOo Apache <dev@openoffice.apache.org>
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archived-at: Wed, 27 Dec 2017 16:21:34 -0000

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Hi Rory--
Can any of the files you're working with be deposited in some publicly
accessible location for others to test? Especially the older OO test files?

--------
MzK


On Dec 24, 2017 09:23, "Rory O'Farrell" <ofarrwrk@iol.ie> wrote:

> I have some large files made with OO 2.x and 3.x; one I currently have in
> front of me is the complete works of Jane Austen, which I built out of the
> individual files some time ago - as this is all public domain, I can share
> it. This file on OO4 is about 1.7 MB, 800k words, 4 million chars, 3200 A5
> pages.
>
> It flies in LibreOffice 5.1.6.2 on an Xubuntu 16.04.03 system (2 x 4788
> Bogomips), 4 GB ram, SATA hard disk. On my main machine. using OO 4.1.5
> RC1), but also on earlier OO 4.1.x versions, on Xubuntu 16.04.03 (4 x 6185
> Bogomips) 8 GB ram, SSD disk drive [a machine with 4 cores, each core about
> 130% faster than the lesser powered machine] it is glacial.
>
> I asked OO to add an extra heading level into the ToC - memory twitching
> about 570 MB, one core completely engaged, no response after 60 minutes
> I'll leave it run to see if it completes. The LibreOffice machine is using
> 525 MB ram, and no core when not updating the ToC. It did the Index rebuild
> in about 12 seconds. Page count is dramatically different - LO ~2400 A5
> pages, OO ~3200 A5 pages) (fonts are identical on both machines). I'm not
> at present worrying about that - I'll try a small file (300 pages) and see
> how that matches across suites.
>
> I have also noted that some very large sample files (made to examine page
> number limitations some years ago) won't open on current OO versions - the
> files that will open are the smaller ones (~55K pages not ~120K pages).
>
> I'm thinking (purely because I can't be stopped) that OO is each time
> reverting to the start of the file when doing layout (as Alt Search and
> Replace does), whereas LO does layout in one stream from the beginning. The
> hard disks don't come into the problem, as Swap files have not been touched.
>
>
> --
> Rory O'Farrell <ofarrwrk@iol.ie>
>
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