Open Stack

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
<openstack at 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
>
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