Hi Lisa, Sylvain,
I'll take a look at blueprint next week and will try to left some feedback
about it.
Stay tuned.



Nikolay Starodubtsev

Software Engineer

Mirantis Inc.


Skype: dark_harlequine1

2014-10-31 16:14 GMT+04:00 Lisa <lisa.zangra...@pd.infn.it>:

>  Hi Sylvain,
>
> thanks for your answer.
> Actually we haven't yet developed that because we'd like to be sure that
> our proposal is fine with BLAZAR.
> We already implemented a pluggable advanced scheduler for Nova which
> addresses the issues we are experiencing with OpenStack in the Italian
> National Institute for Nuclear Physics. This scheduler named
> FairShareScheduler is able to make OpenStack more efficient and flexible in
> terms of resource usage. Of course we wish to integrate our work in
> OpenStack and so we tried several times to start a discussion and a
> possible interaction with the OpenStack developers, but it seems to be so
> difficult to do it.
> The GANTT people suggested us to refer to BLAZAR because it may have more
> affinity with our scope. Is it so? Therefore, I would appreciate to know if
> you may be interested in our proposal.
>
> Thanks for your attention.
> Cheers,
> Lisa
>
>
>   Such component's name is FairShareScheduler and
>
>
> On 31/10/2014 10:08, Sylvain Bauza wrote:
>
>
> Le 31/10/2014 09:46, Lisa a écrit :
>
> Dear Sylvain and BLAZAR team,
>
> I'd like to receive your feedback on our blueprint (
> https://blueprints.launchpad.net/blazar/+spec/fair-share-lease) and start
> a discussion in Paris the next week at the OpenStack Summit. Do you have a
> time slot for a very short meeting on this?
> Thanks in advance.
> Cheers,
> Lisa
>
>
> Hi Lisa,
>
> At the moment, I'm quite occupied on Nova to split out the scheduler, so I
> can't hardly dedicate time for Blazar. That said, I would appreciate if you
> could propose some draft implementation attached to the blueprint, so I
> could glance at it and see what you aim to deliver.
>
> Thanks,
> -Sylvain
>
>
> On 28/10/2014 12:07, Lisa wrote:
>
> Dear Sylvain,
>
> as you suggested me few weeks ago, I created the blueprint (
> https://blueprints.launchpad.net/blazar/+spec/fair-share-lease) and I'd
> like to start a discussion.
> I will be in Paris the next week at the OpenStack Summit, so it would be
> nice to talk with you and the BLAZAR team about my proposal in person.
> What do you think?
>
> thanks in advance,
> Cheers,
> Lisa
>
>
> On 18/09/2014 16:00, Sylvain Bauza wrote:
>
>
> Le 18/09/2014 15:27, Lisa a écrit :
>
> Hi all,
>
> my name is Lisa Zangrando and I work at the Italian National Institute for
> Nuclear Physics (INFN). In particular I am leading a team which is
> addressing the issue concerning the efficiency in the resource usage in
> OpenStack.
> Currently OpenStack allows just a static partitioning model where the
> resource allocation to the user teams (i.e. the projects) can be done only
> by considering fixed quotas which cannot be exceeded even if there are
> unused resources (but) assigned to different projects.
> We studied the available BLAZAR's documentation and, in agreement with Tim
> Bell (who is responsible the OpenStack cloud project at CERN), we think
> this issue could be addressed within your framework.
> Please find attached a document that describes our use cases (actually we
> think that many other environments have to deal with the same problems) and
> how they could be managed in BLAZAR, by defining a new lease type (i.e.
> fairShare lease) to be considered as extension of the list of the already
> supported lease types.
> I would then be happy to discuss these ideas with you.
>
> Thanks in advance,
> Lisa
>
>
> Hi Lisa,
>
> Glad to see you're interested in Blazar.
>
> I tried to go thru your proposal, but could you please post the main
> concepts of what you plan to add into an etherpad and create a blueprint
> [1] mapped to it so we could discuss on the implementation ?
> Of course, don't hesitate to ping me or the blazar community in
> #openstack-blazar if you need help with the process or the current Blazar
> design.
>
> Thanks,
> -Sylvain
>
> [1] https://blueprints.launchpad.net/blazar/
>
>
>
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