[openstack-dev] [Nova] [Spec Freeze Exception] [Gantt] Scheduler Isolate DB spec

John Garbutt john at johngarbutt.com
Mon Jul 21 09:59:02 UTC 2014


On 18 July 2014 09:10, Sylvain Bauza <sbauza at redhat.com> wrote:
> Hi team,
>
> I would like to put your attention on https://review.openstack.org/89893
> This spec targets to isolate access within the filters to only Scheduler
> bits. This one is a prerequisite for a possible split of the scheduler
> into a separate project named Gantt, as it's necessary to remove direct
> access to other Nova objects (like aggregates and instances).
>
> This spec is one of the oldest specs so far, but its approval has been
> delayed because there were other concerns to discuss first about how we
> split the scheduler. Now that these concerns have been addressed, it is
> time for going back to that blueprint and iterate over it.
>
> I understand the exception is for a window of 7 days. In my opinion,
> this objective is targetable as now all the pieces are there for making
> a consensus.
>
> The change by itself is only a refactoring of the existing code with no
> impact on APIs neither on DB scheme, so IMHO this blueprint is a good
> opportunity for being on track with the objective of a split by
> beginning of Kilo.
>
> Cores, I leave you appreciate the urgency and I'm available by IRC or
> email for answering questions.

Regardless of Gantt, tidying up the data dependencies here make sense.

I feel we need to consider how the above works with upgrades.

I am happy to sponsor this blueprint. Although I worry we might not
get agreement in time.

Thanks,
John



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