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From Rafael Weingartner <rafaelweingart...@gmail.com>
Subject Re: cpu overprovisioning
Date Tue, 21 Apr 2015 14:28:20 GMT
When you say instance, did you mean CS web application instance?

On Tue, Apr 21, 2015 at 11:16 AM, S. Brüseke - proIO GmbH <
s.brueseke@proio.com> wrote:

> This is because the factor of overprovisioning is attached to the instance
> too! And this factor is only changing after rebooting the instance.
> So after a change of cpu.overprovisioning.factor you need to reboot all
> instances on this cluster which were running before this change was made.
>
> Mit freundlichen Grüßen / With kind regards,
>
> Swen Brüseke
>
> -----Ursprüngliche Nachricht-----
> Von: Ugo Vasi [mailto:ugo.vasi@procne.it]
> Gesendet: Dienstag, 21. April 2015 16:06
> An: users@cloudstack.apache.org
> Betreff: Re: cpu overprovisioning
>
> If I change the over-provisioning ratio in cluster-relative settings
> (infrastructure->cluser->cluster-name->settings) the dashboard show the
> sum of real GHz the overprovisioned amount of GHz (324GHz) as aspected, but
> after a while also the sum of Ghz is multiplied by the same factor making
> it unnecessary...
>
> Il 21/04/2015 15:26, Bharat Kumar ha scritto:
> > In case of cloudstack, cpu capacity for host is total of cpus * no of
> Ghz * overporvisoning.
> >
> > total capacity = sum of capacities of individual hosts.
> >
> > Thanks,
> > Bharat.
> >
> > On 21-Apr-2015, at 6:49 pm, Abhinandan Prateek <
> abhinandan.prateek@shapeblue.com> wrote:
> >
> >> Available CPU will be 3 times the actual CPU when over provisioned by 3.
> >>
> >> The UI not showing the over provisioned value seems like a bug.
> >>
> >> -abhi
> >>
> >>
> >>> On 21-Apr-2015, at 6:34 pm, Ugo Vasi <ugo.vasi@procne.it> wrote:
> >>>
> >>> Hi all,
> >>> we have a cluster of three machines with 16 CPU at 2.2GHz each and we
> have set a cpu-overprovizioning to 3.
> >>>
> >>> I would expect that the CPU system capacity of the dashboard appear
> with the sum of megahertz CPUs multiplied by three instead I get the real
> sum (108MHz).
> >>>
> >>> I do not understand if this overprovisioning allows me to allocate
> more MHz of real ones asthe documentation say since in reality the virtual
> machines occupy on average only 20% of the computing power.
> >>>
> >>> thanks in advance
> >>>
> >>> --
> >>>
> >>> U g o   V a s i    <ugo.vasi@procne.it>
> >>> P r o c n e  s.r.l    >)
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> --
>
>    U g o   V a s i    <ugo.vasi@procne.it>
>    P r o c n e  s.r.l    >)
>    via Cotonificio 45  33010 Tavagnacco IT
>    phone: +390432486523 fax: +390432486523
>
> Le informazioni contenute in questo messaggio sono riservate e
> confidenziali ed è vietata la diffusione in qualunque modo eseguita.
> Qualora Lei non fosse la persona a cui il presente messaggio è destinato,
> La invitiamo ad eliminarlo e a non leggerlo, dandocene gentilmente
> comunicazione.
> Per qualsiasi informazione si prega di contattare support@procne.it .
> Rif. D.L. 196/2003
>
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>
>
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-- 
Rafael Weingärtner

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