On Tue, Aug 04, 2015 at 09:52:40AM +0100, Lucas Alvares Gomes wrote: > Hi, > > > Our initial solution [1] was to simply disable instance queries in the > > IronicHostManager, as they were never needed, and were painful to > > execute. But subsequent discussion on IRC brought up some potential > > (although not very likely) use cases where this might not be true. One > > example was if there were two computes each talking to one of two > > ironic installations, one might use the SameHostFilter to ensure that > > a new ironic instance was placed in the same ironic environment as > > another instance. While this seemed possible, the idea of querying > > hundreds or thousands of instances to see if the target was in that > > group seemed like overkill. I suggested that if this were ever > > something that someone needed, creating a new filter would be a better > > way forward than trying to retrofit the virt design onto ironic. > > > > Right, so my first suggestion would be to add a configuration option > where one could toggle to enable or disable the new scheduler filters > (defaulting to disabled). But if Nova doesn't want to add a new > configuration option unless it's absolutely necessary I think we could > just disable it for now (just like the patch is proposing right now) > and open a bug about it so we can keep track of the problem. And if we > figure out that this problem is affecting someone out there we can > then fix it by whether adding the configuration option or creating a > new filter or ... We can talk about the proper fix as part of that > bug.
I'm also fine with this for now. The multiple-host work might help here, too. // jim > > Cheers, > Lucas > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: [email protected]?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev __________________________________________________________________________ OpenStack Development Mailing List (not for usage questions) Unsubscribe: [email protected]?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
