[Users] so, what do you want next in oVirt?
Doron Fediuck
dfediuck at redhat.com
Mon Oct 7 03:26:08 EDT 2013
----- Original Message -----
> From: "Itamar Heim" <iheim at redhat.com>
> To: "\"René \"Koch (ovido)\"\"" <r.koch at ovido.at>, "Doron Fediuck" <dfediuck at redhat.com>
> Cc: "ovirt-users" <users at ovirt.org>
> Sent: Sunday, October 6, 2013 10:41:27 PM
> Subject: Re: [Users] so, what do you want next in oVirt?
>
> On 09/05/2013 11:31 AM, René Koch (ovido) wrote:
> > - Resource pools
> > At the moment only Quotas are available (which is great, btw), but in
> > some cases it's necessary to implement resource pools. E.g. Limit CPU,
> > Memory and Network for group of test vms, but give full resources to
> > production vms. Maybe this could be done with cgroups?
> > So e.g. I don't want to give a compile machine a full cpu core, but only
> > 1 core with 500MHz or limit the bandwith to e.g. 10Mbit/s.
>
> doron - doesn't cpu shared provide this?
>
CPU shares provide better prioritization, but not hard constraints.
So for 3.3 you should be able to use it to prioritize CPU consumption
and hopefully we'll get to cgroup limitations in the coming version(s).
As for network, we have in master (but not in 3.3) Network QoS, which
gives the limitations you were asking for.
Current gaps are completing CPU limitations, memory and storage. The
latter has an API in VDSM we need to verify and utilize.
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