On 05/13/2015 10:49 AM, Alexandr Krivulya wrote:
Ок, I understand it. But in admin portal on hosts detail tab I see
for
example 32 logical cores vs 16 in reports because of Hyper-Threading
enabled. All VM's on this host consumes 26 vCores. Does it
overallocation? According to report - yes, but actually I think not.
Can you clarify?
This article is good reading material for this:
http://wahlnetwork.com/2013/09/30/hyper-threading-gotcha-virtual-machine-...
It's still over allocation since you have more logical cores than
physical, but it is weird that the database reports something different
than the UI.
Eli, when hyper-threading is enabled, how is that saved in the database,
does the UI display vale change, but the database values stay the same?
13.05.2015 10:32, Shirly Radco пишет:
> H Alexandr,
>
> The vCores are the logical cpu cores,
> and if you has more vCores than Host Cores it means that you have over allocation for
the hosts.
> So, if on a specific vm one of the cores will be on 100% usage than all the vms using
this core will show 100% as well.
>
> Best,
> ---
> Shirly Radco
> BI Software Engineer
> Red Hat Israel Ltd.
>
>
>
> ----- Original Message -----
>> From: "Alexandr Krivulya" <shuriku(a)shurik.kiev.ua>
>> To: users(a)ovirt.org
>> Sent: Tuesday, May 12, 2015 3:30:32 PM
>> Subject: [ovirt-users] engine-reports portal and cpu cores
>>
>> Hello,
>> why we have in reports host cores but not logical cpu cores? For example
>> in "Cluster Capacity Vs. Usage" report I always have more vCores then
>> Host Cores.
>> Thank you.
>> _______________________________________________
>> Users mailing list
>> Users(a)ovirt.org
>>
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>>
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