Hi, We are observing high CPU utilization by systemd process. 100% CPU utilize by systemd process when no user is being logged in to the server but CPU utilization became 0% while any user logged in to the server. What cloud be possible reason behind this issue and solution? Log collected via login to the server via ssh or console: (0% CPU utilization) top -b -n 1 | grep systemd | grep 612 612 root 20 0 3386692 2.051g 4932 T 0.0 6.5 22029:26 systemd Log collected without login to the server : (100% CPU utilization) # ssh user at 192.168.18.11 <mailto:user at 192.168.18.11> top -b -n 1 | grep systemd | grep 612 user at 192.168.18.11's <mailto:user at 192.168.18.11's> password: 612 root 20 0 3386692 2.051g 4932 S 789.2 6.5 22031:31 systemd Please find the server information: lsb_release -a No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 8.11 (jessie) Release: 8.11 Codename: jessie uname -r 3.16.0-6-amd64 Thanks & B’Rgds, Rony -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-discuss/attachments/20191207/d7ecdd79/attachment.html>