Hi Alex, I've investigated this question too. Here is a link on mailing thread https://www.mail-archive.com/openstack-dev@lists.openstack.org/msg11196.html. I hope it will help
Thanks, Nadya On Fri, Feb 21, 2014 at 2:00 PM, Alexander Stellwag <openst...@stellwag.net>wrote: > Hi stackers, > > we've been doing a few tests with ceilometer to see if we can use it for > our private cloud installation. Performance was very poor at best which > doesn't make sense for me. > > We've used packages from the ubuntu cloud archive (havana on 12.04 > FWIW), the mysql db for ceilometer was installed on a separate VM (4 > vcpus, 16 GB ram). > > Having around 20-30 virtual instances and a very few networks and > routers running, the simplest ceilometer commands ran into timeouts > after 5-10 minutes. > > Commands executed include: > > # ceilometer sample-list -m network.outgoing.bytes > # ceilometer statistics -m network.outgoing.bytes > # ceilometer meter-list > > We've checked that the bottlenech was not the ceilometer-db, the VM > showed pretty good response and no significant load at all times during > our tests. > > If you have similar experiences od if you're running (havana-)ceilometer > at scale I would appreciate any feedback. > > Best > Alex > > _______________________________________________ > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack@lists.openstack.org > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >
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