[openstack-dev] [Nova][Schduler] Volunteers wanted for a modest proposal for an external scheduler in our lifetime

Robert Collins robertc at robertcollins.net
Fri Nov 22 03:11:47 UTC 2013

On 22 November 2013 15:57, Boris Pavlovic <bpavlovic at mirantis.com> wrote:
> Robert,
> It is nice that community like idea of making one scheduler as a service.
> But I saw in https://etherpad.openstack.org/p/icehouse-external-scheduler
> some misleading about
> https://blueprints.launchpad.net/nova/+spec/no-db-scheduler

Ok, lets fix that up.

> Approach no-db-scheduler is actually base step that allows us to make
> scalable scheduler as a service without huge pain of changing too much in
> current architecture: As I mention on HK summit, there are just few steps,
> that should be implemented:
>     3.a) Make Nova Scheduler as a separated service

This is the bit that all previous efforts on the scheduler have failed
to deliver - and it's just the bit that my proposal tackles.

> I don't think that it is step backward as it was mentioned in etherpad..

I don't see any mention of a step backwards.


Robert Collins <rbtcollins at hp.com>
Distinguished Technologist
HP Converged Cloud

More information about the OpenStack-dev mailing list