Wanted to chime-in and say I experience the same thing. Issue doesn't persist in Ubuntu Gnome flavor on the same hardware.
Did notice some earlier posters mentioned dropbox, have noticed the latest version will consistently chew up available memory the longer the machine is on. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1572801 Title: Ubuntu 16.04 Unity desktop uses much more ram than Ubuntu 15.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1572801/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs