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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