everything is fine now. I did what Daniel van Vugt (vanvugt) suggested and removed wakatime, there were no extensions installed in gnom the memory fell down to normal levels, and the lag when switching, typing went away.
thank you, guys. -- 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/1926598 Title: gnome-shell ram usage Status in gnome-shell package in Ubuntu: Invalid Bug description: gnome shell is using 4gb of ram and its slowing down the system i have opened skype , phpstorm, chrome,gedit ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: gnome-shell 3.36.7-0ubuntu0.20.04.1 ProcVersionSignature: Ubuntu 5.4.0-72.80-generic 5.4.101 Uname: Linux 5.4.0-72-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu27.16 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Thu Apr 29 12:52:58 2021 DisplayManager: gdm3 InstallationDate: Installed on 2015-05-21 (2169 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) RelatedPackageVersions: mutter-common 3.36.7+git20201123-0.20.04.1 SourcePackage: gnome-shell UpgradeStatus: Upgraded to focal on 2020-11-27 (153 days ago) modified.conffile..etc.default.apport: # set this to 0 to disable apport, or to 1 to enable it # you can temporarily override this with # sudo service apport start force_start=1 enabled=0 mtime.conffile..etc.default.apport: 2015-05-21T14:43:46.489165 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1926598/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp