On 05/16/2013 05:02 PM, Aaron Rosen wrote: > > > > On Wed, May 15, 2013 at 10:59 PM, Gary Kotton <gkotton at redhat.com > <mailto:gkotton at redhat.com>> wrote: > > On 05/15/2013 10:53 PM, Aaron Rosen wrote: >> Hi, >> >> I created the following blueprint and wanted to hear what the >> community though before starting on it. >> >> https://blueprints.launchpad.net/nova/+spec/nova-api-quantum-create-port > > In the BP you wrote: "The only downside I see of moving this logic > into nova-api is that we would slow down the response time from > nova-api to provision instances." > > This can be addressed by nova prefetching quantum ports. When nova > needs a port is can be retrieved from a cached pool. This may be a > way of addressing this at a later stage if the nova api is indeed > a bottleneck when it comes to the quantum interface (please note > that this currently happens on the compute node at the moment) > > > If there are ports that are preallocated and cached in a pool of > available ports on the nova-api node this won't work if running > multiple nova-api nodes with a load balancer in front. Why? It is just an implementation detail. This information can be maintained in the nova database. > Thanks > Gary > >> >> Thanks, >> >> Aaron >> >> >> _______________________________________________ >> OpenStack-dev mailing list >> OpenStack-dev at lists.openstack.org <mailto:OpenStack-dev at lists.openstack.org> >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev at lists.openstack.org > <mailto:OpenStack-dev at lists.openstack.org> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20130518/e2bfe52f/attachment.html>