[Libreoffice-bugs] [Bug 131651] LO steadily increases memory usage until system freezes (lots of files open)

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=131651

--- Comment #5 from Bjorn Wastvedt <bjorn.wastvedt at gmail.com> ---
(In reply to Julien Nabet from comment #4)
> To investigate, we'd need an example of case which increases memory so we'd
> have a minimal step by step process to reproduce this.
> Indeed, as it is, the bugtracker won't help much since it just indicates
> there are memory leaks in LO, nothing else. Devs already know it but need
> more information to tackle each leak.

Hi, Julien, and thanks for the reply. I'm making some progress on this:

I monitored the memory usage while closing a couple of the files at a time. I
*think* that I've found the file that must be the problem. It'd be best to be
able to attach it here, but I can't, since it's a text I'm using by permission
from someone who will end up publishing it later.

But, here are some specifics about the suspect file:

**Written in .doc format, saved by me into libreoffice and annotated after
that. (Maybe I should have said this in response to your first comment?)

**Almost entirely polytonic Greek, with some English and other languages mixed
in.

**32 pages, 90000 characters, 500+ footnotes

I searched for problems involving special characters and memory usage in
libreoffice and found this:
https://ask.libreoffice.org/en/question/157664/slow-typing-and-high-cpu-usage-after-a-certain-point/,
which suggests that using shift-enter for a newline can cause an issue. Well,
it looks like in my document everything is paragraphed correctly; at least,
when I turn on view->formatting marks, I can see paragraph symbols after each
paragraph.

Let me know if you need the file itself to comment further. I could probably
obfuscate the contents somehow.

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