[ovirt-users] Calculating Requirements

[Yedidyah Bar David]

On Wed, Dec 23, 2015 at 10:49 PM, Taste-Of-IT <kontakt at taste-of-it.de> wrote:
> Am 2015-12-23 12:46, schrieb Sandro Bonazzola:
>>
>> On Wed, Dec 23, 2015 at 12:13 AM, Taste-Of-IT <kontakt at taste-of-it.de>
>> wrote:
>>
>>> Hello,
>>>
>>> i have a testsystem with 16GB RAM and ovirt as sef-hosted-engine on
>>> centos7. i have no vm started and the host consume 2,5GB RAM. In
>>> documents it is written that the engine needs aprox 3GB RAM and the
>>> system self 1GB RAM. At all nearly 4GB RAM. So i can use aprox 12GB
>>> RAM for virtual machines if i use the ram 1:1. is that a good point
>>> of calculation, or are there any other points to calculate?
>>
>>
>> I think that you can leave the Hosted Engine VM with 4GB of ram
>> (minimum requirements) which will be added to the 2.5GB of RAM you're
>> already using.
>> So you'll have something like ~9 GB of RAM using it 1:1.
>>
>>
>>
>>> thx
>>> Taste
>>> _______________________________________________
>>> Users mailing list
>>> Users at ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/users [1]
>>
>>
>> --
>>
>> Sandro Bonazzola
>> Better technology. Faster innovation. Powered by community
>> collaboration.
>> See how it works at redhat.com [2]
>>
>>
>> Links:
>> ------
>> [1] http://lists.ovirt.org/mailman/listinfo/users
>> [2] http://redhat.com
>
> Hello Sandro,
>
> iam not sure if we talk about the same, since iam new with ovirt. But i have
> installed self-hosted-egine, where i cant change the amont of memory for the
> engine-vm, since its the same host. am i right with this? so what is the
> calculation for this?

With hosted-engine, the engine runs in its own VM. If you allocate to
this VM 4GB, you get Sandro's calculation.

Best,
-- 
Didi