[one-users] Making scheduler allocation aware

[Rangababu Chakravarthula]

Hello Javier
Please let us know if you want us to provide more detailed information with
examples?

Ranga

On Fri, Oct 29, 2010 at 9:46 AM, Rangababu Chakravarthula <
rbabu at hexagrid.com> wrote:

> Javier
>
> We saw that VM's were being deployed to the host where the allocated memory
> of all the VM's was higher than the available memory on the host.
>
> We think OpenNebula is executing free command on the host to determine if
> there is any room and since free would always return the actual memory that
> is being consumed and not the allocated, opennebula would push the new jobs
> to the host.
>
> That's the reason we want OpenNebula to be aware of memory allocated to the
> VM's on the host.
>
> Ranga
>
>
> On Thu, Oct 28, 2010 at 2:02 PM, Javier Fontan <jfontan at gmail.com> wrote:
>
>> Hello,
>>
>> Could you describe the problem you had? By default the scheduler will
>> not overcommit cpu nor memory.
>>
>> Bye
>>
>> On Thu, Oct 28, 2010 at 4:50 AM, Shashank Rachamalla
>> <shashank.rachamalla at hexagrid.com> wrote:
>> > Hi
>> >
>> > We have a requirement where in the scheduler should not allow memory
>> over
>> > committing while choosing a host for new vm. In order to achieve this,
>> we
>> > have changed the way in which FREEMEMORY is being calculated for each
>> host:
>> >
>> > FREE MEMORY = TOTAL MEMORY -  [ Sum of memory values allocated to VMs
>> which
>> > are currently running on the host ]
>> >
>> > Please let us know if the above approach is fine or is there any better
>> way
>> > to accomplish the task. We are using opennebula 1.4.
>> >
>> > --
>> > Regards,
>> > Shashank Rachamalla
>> >
>> > _______________________________________________
>> > Users mailing list
>> > Users at lists.opennebula.org
>> > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>> >
>> >
>>
>>
>>
>> --
>> Javier Fontan, Grid & Virtualization Technology Engineer/Researcher
>> DSA Research Group: http://dsa-research.org
>> Globus GridWay Metascheduler: http://www.GridWay.org
>> OpenNebula Virtual Infrastructure Engine: http://www.OpenNebula.org
>> _______________________________________________
>> Users mailing list
>> Users at lists.opennebula.org
>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>
>
>
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