[Openstack-operators] Hypervisor free memory recommendations

Juan José Pavlik Salles jjpavlik at gmail.com
Thu Sep 4 16:45:57 UTC 2014


Hi Tomasz, thanks for your answer. I'll start with 10% and see what
happens. Thanks again!


2014-09-04 13:37 GMT-03:00 Tomasz Napierala <tnapierala at mirantis.com>:

>
> 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
>
>
>
>
>
>
>


-- 
Pavlik Salles Juan José
Blog - http://viviendolared.blogspot.com
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