LXC systemd-journal process eats CPU on CentOS/RHEL 7.x

Sometimes systemd-journal process eats CPU and locks system load to 2.00 which is abnormal operation and in order to fix this there is a trick

Set “lxc.kmsg = 0” in the container config
vi /var/lib/lxc/dns01/config

and add

lxc.kmsg = 0

Start container if not already started and from within run:
rm -f /dev/kmsg

Restart lxc service & container
systemctl restart lxc.service
lxc-stop –name=dns01 && lxc-start –name=dns01

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