Hey, It's a config option for nova-compute: https://docs.openstack.org/nova/latest/configuration/config.html#DEFAULT.reserved_host_cpus Also related ones are regarding ram and disk. You might also find a good idea to apply a cgroups rule to ensure you _really_ have CPU reserved, like this: https://gist.github.com/noonedeadpunk/a4e691e64da031084c071b554a5b40cd чт, 23 мар. 2023 г., 08:48 Nguyễn Hữu Khôi <nguyenhuukhoinw at gmail.com>: > Hello guys. > I am trying google for nova host cpu reserve to prevent host overload but > I cannot find any resource about it. Could you give me some information? > Thanks. > Nguyen Huu Khoi > -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.openstack.org/pipermail/openstack-discuss/attachments/20230323/dea428ef/attachment.htm>