On 08/21/2015 10:24 AM, Andrew Laski wrote:
> On 08/20/15 at 05:01pm, melanie witt wrote:
>> Hi Everyone,
>>
>> I attended the ops mid cycle summit on Tuesday and Wednesday and here
>> are brief notes on the feedback I heard related to nova. Please feel
>> free to add your comments or correct me if I got anything wrong.
>>
>>
>> Large Deployments Session [1]:
>>
>> - There's a Neutron spec [2] for adding the capability to model an L3
>> network which is composed of L2 networks that are routed together, and
>> this project will require cooperation from the nova side

The current spec flushed out the recognition that further design work is
necessary. Discussion arrived at the hope of having a small number of
people design an L3 object (bringing input from usecases of others) at
an upcoming face to face event (possibly summit). Carl Baldwin is
deciding how best to organize this and mentioned the possibility of a
post to the mailing list (I'm assuming -dev).

Thanks for the summary Melanie,
Anita.

>> - Cells v2 not coming along as quickly as expected. Cells v1 issues
>> around compat between versions, understood it's not supported but it's
>> been a problem
>> - Hierarchical multi-tenancy isn't yet supported (quotas)
>>
>>
>> Upgrades Session Report:
>> - Good linking of features to documentation is important
>> - Inter-service changes are important to call out
>> - Flavor migration is an example of something done well
>>
>>
>> Other general notes:
>> - Event capture is a choice between two bad options
>> - Information divided between events and logs. Have to capture both or
>> you lose the whole picture
>> - Hard to trace RPC calls
>> - Race conditions with scheduling and quotas
>> - The state of Nova and NUMA is not understood
>> - Glance v2 is not being used. From what I understand, we can't move
>> to it because images created by v1 can't be read by v2, for example?
> 
> There was a bug around that, though I don't know the details.  Another
> issue is that v2 doesn't support changes-since which means we can't drop
> it behind the Nova API and maintain backwards compatibility.
> 
>>
>>
>> All of the etherpads from the event are linked here:
>> https://etherpad.openstack.org/p/PAO-ops-meetup
>>
>>
>> Thanks,
>> -melanie (irc: melwitt)
>>
>>
>> [1] https://etherpad.openstack.org/p/PAO-ops-large-deployments
>> [2] https://review.openstack.org/#/c/196812/
>>
> 
> 
> 
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