It would be hard to prove that's a bug at all, or just the natural
resident set size that the gnome-shell process settles at until the next
garbage collection. And you can't predict or know when that will happen.
Generally speaking for gnome-shell I would say anything under 500MB
might not be a leak. It might just be "normal" JavaScript garbage
accumulation. Or it might be an asymptotic leak. Either way, not yet a
priority.
While we'd all like gnome-shell to always use less memory, whether this
is a bug yet particularly in 20.04 where the memory usage is lower, is
unclear. If you are able to repeat some steps many times and get 20.04
past 500MB and then 1000MB then I would consider it a leak worth
investigating.
** Changed in: gnome-shell (Ubuntu)
Status: Confirmed => Incomplete
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Packages, which is subscribed to gnome-shell in Ubuntu.
https://bugs.launchpad.net/bugs/1850201
Title:
Memory usage grows when locking/unlocking the screen
Status in gnome-shell package in Ubuntu:
Incomplete
Bug description:
Many times after logging in gnome-shell uses 600-800MB of memory, and
also slows down quite a bit (e.g., 20-30 seconds waiting for login).
Only after multiple resets (Alt+F2 r) drops the memory usage below
200MB. I use my computer mainly for work, and the above phenomenon is
quite disturbing. After a couple of hours of work memory usage is
growing over 400MB again, and sometimes the reset (Alt+F2 r) doesn't
help either. My system is Ubuntu 18.04.3 Gnome 3.28.2, but the newest
Ubuntu also behaves similarly. This is an old issue, it was present in
18.04, 18.10, 19.04 and now in 19.10. I use three computers, and all
of them suffer with this problem. Anyone can check this with the
"gnome-shell memory monitor" gnome-shell extension.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-shell 3.28.4-0ubuntu18.04.2
ProcVersionSignature: Ubuntu 5.0.0-32.34~18.04.2-generic 5.0.21
Uname: Linux 5.0.0-32-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.7
Architecture: amd64
CurrentDesktop: communitheme:ubuntu:GNOME
Date: Mon Oct 28 20:28:38 2019
DisplayManager: gdm3
InstallationDate: Installed on 2019-01-04 (297 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64
(20180725)
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
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