Can confirm that this happens to me after upgrading to 18.10. uname -r : 4.18.0-10-generic gnome-shell --version : GNOME Shell 3.30.1 Hardware: i7-3820, 16GB RAM, GTX 1060
Other references: https://ubuntuforums.org/showthread.php?t=2405094 https://www.reddit.com/r/Ubuntu/comments/9tw6cf/1810_gnomeshell_excessive_ram_usage/ -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1800165 Title: New memory leaks in gnome-shell 3.30.1 Status in gnome-shell package in Ubuntu: Triaged Bug description: https://gitlab.gnome.org/GNOME/gnome-shell/issues/653 --- I have installed GNOME on ArchLinux with pretty much the same setup as in Ubuntu, (same extensions, same programs and same libs). Nevertheless, on Arch, GNOME Shell RAM usage is 30/60 MB, on Ubuntu 150/160 MB. In general Ubuntu is way slower and heavier than arch in pretty much all tasks. I do not understand why that should hold. ProblemType: Bug DistroRelease: Ubuntu 18.10 Package: gnome-shell 3.30.1-2ubuntu1 Uname: Linux 4.19.0-999-generic x86_64 ApportVersion: 2.20.10-0ubuntu13 Architecture: amd64 CurrentDesktop: GNOME Date: Fri Oct 26 16:42:02 2018 DisplayManager: gdm3 InstallationDate: Installed on 2017-01-12 (652 days ago) InstallationMedia: Xubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2) SourcePackage: gnome-shell UpgradeStatus: Upgraded to cosmic on 2018-07-24 (94 days ago) modified.conffile..etc.xdg.autostart.gnome-shell-overrides-migration.desktop: [modified] mtime.conffile..etc.xdg.autostart.gnome-shell-overrides-migration.desktop: 2018-08-03T04:50:07.694860 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1800165/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

