Sounds like you're describing VMWare DRS. It's a pretty neat feature that aims to reduce outages during maintenance and also reduce the impact of noisy neighbor. To my knowledge, we don't have that today, but I haven't been following the wishlist for nova > On Dec 16, 2014, at 12:01 PM, Sławek Kapłoński <slawek at kaplonski.pl> wrote: > > Hello, > > I'm wondering is ther some solution (maybe separate project or some plugin) > which allow to automatically live-migrate (or migrate when instances are > stopped) instances between hosts according to load which instance generate on > host. For example if there are 10 instances on host and all of then use lot > cpu or ram some of them should be migrated to different (free) host. When > there are instances which are do not heavy load - then should be migrated to > one host where will be for example 15 such instances. Do you know about > something like that for openstack? > > --- > Best regards > Slawek Kaplonski > slawek at kaplonski.pl_______________________________________________ > OpenStack-operators mailing list > OpenStack-operators at lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators