<div dir="ltr"><div><div><div>Hi Alex,<br></div>I've investigated this question too. Here is a link on mailing thread <a href="https://www.mail-archive.com/openstack-dev@lists.openstack.org/msg11196.html" target="_blank">https://www.mail-archive.com/openstack-dev@lists.openstack.org/msg11196.html</a> . I hope it will help<br>
<br></div>Thanks,<br></div>Nadya<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Feb 21, 2014 at 2:00 PM, Alexander Stellwag <span dir="ltr"><<a href="mailto:openstack@stellwag.net" target="_blank">openstack@stellwag.net</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi stackers,<br>
<br>
we've been doing a few tests with ceilometer to see if we can use it for<br>
our private cloud installation. Performance was very poor at best which<br>
doesn't make sense for me.<br>
<br>
We've used packages from the ubuntu cloud archive (havana on 12.04<br>
FWIW), the mysql db for ceilometer was installed on a separate VM (4<br>
vcpus, 16 GB ram).<br>
<br>
Having around 20-30 virtual instances and a very few networks and<br>
routers running, the simplest ceilometer commands ran into timeouts<br>
after 5-10 minutes.<br>
<br>
Commands executed include:<br>
<br>
# ceilometer sample-list -m network.outgoing.bytes<br>
# ceilometer statistics -m network.outgoing.bytes<br>
# ceilometer meter-list<br>
<br>
We've checked that the bottlenech was not the ceilometer-db, the VM<br>
showed pretty good response and no significant load at all times during<br>
our tests.<br>
<br>
If you have similar experiences od if you're running (havana-)ceilometer<br>
at scale I would appreciate any feedback.<br>
<br>
Best<br>
Alex<br>
<br>
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</blockquote></div><br></div>