Comment 5 for bug 1731071

same here Ubuntu 17.10

10404 mrzap 20 0 6858556 3,119g 80124 S 2,7 40,4 27:19.28 gnome-shell

3Gb after 8 hours
every action increases the usage, as described by many users

changing wallpaper increases by 40Mb each time
I had "variety" changing wallpapers every 5 minutes, that's how I got to 3Gb in a few hours