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From Harikrishna Patnala <harikrishna.patn...@citrix.com>
Subject Re: Cloudstack 4.3 KVM cpu overcommit
Date Tue, 17 Jun 2014 13:03:53 GMT
Hi Ivan,
Please take a look at “capacity calculations on MS” section in the following wiki for
better understanding.
https://cwiki.apache.org/confluence/display/CLOUDSTACK/CPU+and+RAM+Overcommit


Thanks
Harikrishna

On 17-Jun-2014, at 5:52 pm, Ivan Rodriguez <ivanoch@gmail.com> wrote:

> The vm is not the problem but rather cloudstack finding that almost all my
> CPU is being allocated
> 
>> api listCapacity type=1
> count = 1
> capacity:
> capacitytotal = 335112
> capacityused = 188000
> percentused = 56.1
> type = 1
> zoneid = 9e929a84-e93d-4233-9521-a93636c18bd9
> zonename = CS2-CHAS1-ZONE01
> 
> 56 % matches against the dashboard it seems that if I change the KVM Max
> Guest limit to any number it won't change the percentage usage
> 
> 
> 
> 
> 
> On Tue, Jun 17, 2014 at 10:18 PM, François Bousquet <
> Francois.Bousquet@radialpoint.com> wrote:
> 
>> By experience, you need to stop/start VM to see them use the over
>> provisioning factor.
>> 
>>> On Jun 17, 2014, at 8:02, "Ivan Rodriguez" <ivanoch@gmail.com> wrote:
>>> 
>>> Hi there,
>>> 
>>> I can confirm that my KVM hypervisor is overcommiting CPU correctly,
>>> but cloudstack seems unable to do so.
>>> 
>>> How does cloudstack calculates the usage per host ?
>>> 
>>> Cheers
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