[kuryr] Meeting at PTG - follow up

Michał Dulko mdulko at redhat.com
Fri Nov 8 06:05:26 UTC 2019


On Fri, 2019-11-08 at 06:53 +0100, Michał Dulko wrote:
> Hi,
> 
> Thank you all for a constructive discussion at the Shanghai PTG. First
> of all I want to clarify that the Neutron improvements in bulk port
> creation code I talked about were only merged in Stein and are not
> available in Queens. Sorry about that, my mistake.
> 
> Below I want to list some highlights from the discussion.
> 
>  * There seemed no pushback on switching to independent release model,
>    so I'll follow up on that soon.
>  * We discussed using RPC instead of API polling to detect when port
>    becomes ACTIVE in Neutron (https://review.opendev.org/#/c/669642/).
>    I commented on the review with a follow up that came from discussion
>    with Neutron team. Apparently there are 2 better ways of doing this.
>    Let's continue that discussion on the review.
>  * We know that we don't support running as a second CNI plugin on
>    Multus because of eth0 being hardcoded as interface name and kuryr-
>    controller handling pods that do not had CNI requests. This is
>    something to solve.
>  * Apparently we all suffer the same problems with Neutron performance
>    when starting a bigger workload on Kuryr-configured K8s cluster
>    (think big Helm chart, multiple operators or simultaneous test
>    suite). This all comes to reducing the number of calls to Neutron.
>    We still don't see a feasible solution to solve this problem, but it
>    seems to be a priority for both Samsung and Red Hat at the moment.
> 
> Let's see if we'll meet again in Vancouver!
> 
> Thanks,
> Michał

I forgot to add link to raw etherpad with notes: 
https://etherpad.openstack.org/p/kuryr-PVG




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