High CPU utilization by systemd process || debian 8

Md. Farhad Hasan Khan rony.khan at brilliant.com.bd
Sat Dec 7 05:55:20 UTC 2019



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 <mailto:user at>  top -b -n 1 | grep systemd | grep 612
user at's <mailto:user at'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


Thanks & B’Rgds,



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