Bug#974186: /usr/bin/gnome-software: gnome-software uses way too much memory

[Stephen Kitt]

On Wed, Nov 11, 2020 at 04:12:30PM +1100, Timothy Allen wrote:
> I have a low-end laptop with 2GB of RAM, and I usually run GNOME 3 because it's
> highly polished and light-weight enough that I can still run a browser and a
> few terminals to get work done. The one exception is gnome-software, which
> frequently claims 15% or more of my RAM whenever it checks for updates. Right
> now, it's sitting at ~18%, or 335MB resident — that may not be much on other
> computers, but for my little laptop it's often enough to get my browser OOM-
> killed while I'm in the middle of something.

This might be related to
https://sourceware.org/bugzilla/show_bug.cgi?id=14827 — connecting gdb
to an offending gnome-software process and calling malloc_trim(0)
releases a lot of memory; I went from

steve    2801906  0.1  3.4 2924988 1136840 ?     Sl   Oct02   6:32 /usr/bin/gnome-software --gapplication-service

to

steve    2801906  0.1  0.6 2908452 219416 ?      Sl   Oct02   6:32 /usr/bin/gnome-software --gapplication-service

Regards,

Stephen
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