GNU bug report logs - #26952
25.2; repeated buffer insertion (e.g. yank-rectangle) consumes excessive memory (4GB+ for 90MB of text)

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Package: emacs;

Reported by: Francesco Potortì <pot <at> gnu.org>

Date: Tue, 16 May 2017 14:55:01 UTC

Severity: important

Merged with 27498, 31092, 38629

Found in versions 25.1, 25.2

Fixed in version 26.1

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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Message #85 received at 26952 <at> debbugs.gnu.org (full text, mbox):

From: Noam Postavsky <npostavs <at> users.sourceforge.net>
To: John Wiegley <jwiegley <at> gmail.com>
Cc: Eli Zaretskii <eliz <at> gnu.org>, Paul Eggert <eggert <at> cs.ucla.edu>,
 Francesco Potortì <pot <at> gnu.org>, 26952 <at> debbugs.gnu.org
Subject: Re: bug#26952: 25.1;
 loops eating all memory while yanking big rectangle
Date: Thu, 25 May 2017 13:18:50 -0400

On Thu, May 25, 2017 at 12:48 PM, John Wiegley <jwiegley <at> gmail.com> wrote:
>
> FWIW, I too have noticed Emacs 25.2 being quite unstable. For the longest
> time, Emacs 24 would run for months without crashing even once. Now it crashes
> pretty regularly 2-4 times a day. I wonder now if I'm hitting a memory ceiling
> that is triggering the behavior we're describing...

You're on macOS right? This bug and the proposed solution to be
backported only affects GNU/Linux distributions with recent glibc,
AFAIK.
Also, I don't think this bug would trigger crashes, just extreme
system slowness due to swapping.
This bug report was last modified 5 years and 137 days ago.

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