On Wed, Jul 20, 2022, at 3:17 PM, hai wu wrote:
Is there any configuration file that is needed to ensure guest domains are under systemd machine.slice? not seeing anything under machine.slice ..
I think that https://www.freedesktop.org/software/systemd/man/systemd.slice.html and https://libvirt.org/cgroups.html covers this for libvirt managed VMs.
On Wed, Jul 20, 2022 at 3:33 PM Dmitriy Rabotyagov <noonedeadpunk@gmail.com> wrote:
I believe you can decrease OOMScoreAdjust for systemd machines.slice, under which guest domains are to reduce chances of oom killing them.
ср, 20 июл. 2022 г., 21:52 hai wu <haiwu.us@gmail.com>:
nova hypervisor sometimes oom would kill some openstack guests.
Is it possible to not allow kernel to oom kill any openstack guests? ram is not oversubscribed much ..