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From Nux! <...@li.nux.ro>
Subject Re: Diff between Service Offering and Actual CPU
Date Thu, 05 May 2016 07:17:53 GMT
Zain,

Capping should work, at least with some HV technology, it will still not help with the GHz
shown inside the VM afaik, it just enforces the VM never gets too much CPU time.

--
Sent from the Delta quadrant using Borg technology!

Nux!
www.nux.ro

----- Original Message -----
> From: "Zain Abideen" <abideen87@gmail.com>
> To: users@cloudstack.apache.org
> Sent: Thursday, 5 May, 2016 05:26:42
> Subject: Re: Diff between Service Offering and Actual CPU

> Hi all,
> 
> @tim: I tried with CPU cap but it didn't work and shouldn't work as
> explained by Nux. Thanks a lot Nux for explanation.
> 
> Regards,
> Zain ul Abideen
> 
> 
> On Wed, May 4, 2016 at 8:26 PM, Nux! <nux@li.nux.ro> wrote:
> 
>> Hello Zain,
>>
>> Those G/MHz in the compute offering are a bit misleading as they have
>> nothing to do with the "clock speed" of the VM's CPU; instead that value is
>> used as a "weight" when allocating host CPU time.
>> E.g. a VM with 2GHz will get twice as much host CPU cycles than one with
>> 1GHz.
>>
>> hth
>>
>> --
>> Sent from the Delta quadrant using Borg technology!
>>
>> Nux!
>> www.nux.ro
>>
>> ----- Original Message -----
>> > From: "Zain Abideen" <abideen87@gmail.com>
>> > To: users@cloudstack.apache.org
>> > Sent: Wednesday, 4 May, 2016 09:53:28
>> > Subject: Diff between Service Offering and Actual CPU
>>
>> > Hi All,
>> >
>> > I've recently setup CS and created an instance with a service offering
>> > of 1GHz clock speed but when I log into the instance and check the CPU
>> > speed, it is showing speed as 3.4GHz which is the actual clock speed of
>> the
>> > host
>> >
>> > Instance Operating System: Win Server 2008 R2 (64bit)
>> > Host: Xen Server
>> > Cloudstack version: 4.6
>> >
>> > Regards,
>> > Zain ul Abideen

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