Open Stack

On 03/23/2017 11:01 AM, Jean-Philippe Methot wrote:

> So basically, my question is, how does openstack actually manage ram allocation?
> Will it ever take back the unused ram of a guest process? Can I force it to take
> back that ram?

I don't think nova will automatically reclaim memory.

I'm pretty sure that if you have CONF.libvirt.mem_stats_period_seconds set 
(which it is by default) then you can manually tell libvirt to reclaim some 
memory via the "virsh setmem" command.

Chris