[systemd-devel] High CPU utilization by systemd process || Debian 8

Thu Dec 12 05:34:57 UTC 2019

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

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