openstack team mailing list archive

[Yuriy Taraday <yorik.sar@xxxxxxxxx>]

Yes.

By default, once in two minutes host's capabilities are refreshed in
nova-scheduler. These capabilities are then used along with data from
DB to form current host capabilities. After that, resources used by
each instance on the host are subtracted from it. The result
containing the actual amounts for free resources is then passed to
filters and cost functions.

Kind regards, Yuriy.


On Fri, May 4, 2012 at 5:01 PM, Leander Bessa <leanderbb@xxxxxxxxx> wrote:
> Hello,
>
> I have a question about nova-scheduler. I believe that, in order to have
> viable values supplied to the scheduler filters, it gathers the most recent
> state from each of the compute host. However, i've read through the
> documentation and haven't found any explicit statement which confirm my
> suspicious.
>
> Long story short, is this the behavior of nova-scheduler?
>
> Regards,
>
> Leander
>
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