[openstack-dev] [Ceilometer]: Instance creation and deletion metrics in ceilometer !
Julien Danjou
julien at danjou.info
Thu Nov 3 12:21:59 UTC 2016
On Thu, Nov 03 2016, Maxime Belanger wrote:
Hi Maxime,
> We had this project of our own for a couple years and it was not meant to
> replace Ceilometer at all. For our billing use case, yes it did replace
> Ceilometer because scaling issues. We just wanted to propose it to the
> community as a matter of sharing knowledge.
Yeah, and that's cool. :)
> So currently I'm not sure there is a project that does the same thing in
> Telemetry unless I'm mistaken. Yes there was Ceilometer, but for reason of api
> performance issue when hitting a huge DB with a lot of historic data. It was
> not scalling at all. Right now, not sure where Ceilometer is going in terms of
> dev and there is Aodh, but from what I read, it's for alerting purposes.
Today, Ceilometer is in charge of the polling + notification listening,
and feeds that into the system you want, in our case, Gnocchi.
It seems you have only one project for all of that, where we have built
2 projects that can be reused in different context, but coupled do the
same thing (and probably more) than what Almanach does.
I swiftly encourage you to take a look at what Ceilometer+Gnocchi can
do, as it may be a good surprise for you. And if it does not cover your
use case(s), it'd be very interesting to us to know where it fails.
Cheers,
--
Julien Danjou
;; Free Software hacker
;; https://julien.danjou.info
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