Hi, nova-conductor starts multiple processes as well. Belmiro
On Wednesday, January 28, 2015, Johannes Erdfelt <johan...@erdfelt.com> wrote: > On Wed, Jan 28, 2015, murali reddy <muralimmre...@gmail.com <javascript:;>> > wrote: > > On hosts with multi-core processors, it does not seem optimal to run a > > single service instance with just green thread. I understand that on > > controller node, we can run one or more nova services but still it does > not > > seem to utilize multi-core processors. > > > > Is it not a nova scaling concern? > > It certainly depends on the service. > > nova-compute isn't CPU limited for instance, so utilizing multiple cores > isn't necessary. > > nova-scheduler generally isn't CPU limited either in our usage (at > Rackspace), but we use cells and as a result, we run multiple independent > nova-scheduler services. > > If you've seen some scaling problems, I know the Nova team is open to > reports. In some cases, patches wouldn't be hard to develop to start > multiple processes, but no one has ever reported a need beyond nova-api. > > JE > > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >
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