[Openstack-operators] [scientific] Resource reservation requirements (Blazar) - Forum session

Matt Riedemann mriedemos at gmail.com
Sat Apr 1 23:21:12 UTC 2017

On 4/1/2017 8:36 AM, Blair Bethwaite wrote:
> Hi all,
> The below was suggested for a Forum session but we don't yet have a
> submission or name to chair/moderate. I, for one, would certainly be
> interested in providing input. Do we have any owners out there?
> Resource reservation requirements:
> ==
> The Blazar project [https://wiki.openstack.org/wiki/Blazar] has been
> revived following Barcelona and will soon release a new version. Now
> is a good time to get involved and share requirements with the
> community. Our development priorities are described through Blueprints
> on Launchpad: https://blueprints.launchpad.net/blazar
> In particular, support for pre-emptible instances could be combined
> with resource reservation to maximize utilization on unreserved
> resources.+1

Regarding resource reservation, please see this older Nova spec which is 


And see the points that Jay Pipes makes in that review. Before spending 
a lot of time reviving the project, I'd encourage people to read and 
digest the points made in that review and if there responses or other 
use cases then let's discuss them *before* bringing a service back from 
the dead and assume it will be integrated into the other projects.

> Is Blazar the right project to discuss reservations of finite
> consumable resources like software licenses?
>   Blazar would like to ultimately support many different kinds of
> resources (volumes, floating IPs, etc.). Software licenses can be
> another type.
> ==
> (https://etherpad.openstack.org/p/BOS-UC-brainstorming-scientific-wg)
> Cheers,

John Garbutt also has a WIP backlog spec in Nova related to pre-emtiple 





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