[Openstack-operators] Hypervisor free memory recommendations
Tomasz Napierala
tnapierala at mirantis.com
Thu Sep 4 16:37:58 UTC 2014
On 04 Sep 2014, at 18:04, Juan José Pavlik Salles <jjpavlik at gmail.com> wrote:
> Hi guys, I'm running a Grizzly cloud with Ubuntu 12.04+KVM. I'd like to know if there's any kind of recommended free RAM for the Hypervisor. I know there's a nova variable called "
> reserved_host_memory_mb" but don't know what a proper value would be.
Check on deployed compute node that has no running VMs, add some margin, say 10% and you should be fine. Usually compute nodes are not consuming extra memory besides VMs.
Regards,
--
Tomasz 'Zen' Napierala
Sr. OpenStack Engineer
tnapierala at mirantis.com
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