I don't seem to have this issue on 18.04 either, so it seems to be limited to 14.04.
$ ps aux | grep [p]olkit root 1453 0.0 0.0 292924 8796 ? Ssl Oct12 0:01 /usr/lib/policykit-1/polkitd --no-debug bmaupin 16637 0.0 0.1 323808 19996 ? Sl 08:10 0:00 /usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1 $ lsb_release -rd Description: Ubuntu 18.04.1 LTS Release: 18.04 In response to other comments, I never used Multi-Core System Monitor but I've used indicator-multiload ("System Load Indicator") the last 5+ years. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1470235 Title: PolicyKit high memory usage To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/policykit-1/+bug/1470235/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs