Open Stack

On 28/10/12 13:30 -0400, Eoghan Glynn wrote:
>
>> Isn't this the same topic as the one on Monday that Annie setup?
>>
>> https://lists.launchpad.net/openstack/msg17802.html
>>
>> Lets not redo the same logic in two places.
>
>I'm not sure this is exactly the same thing. I was proposing an
>extension to the ceilometer infrastructure to make it possible to
>to publish the output of ceilo listeners/pollsters via different
>conduits (other than via the message bus to the ceilo collector).
>
>The idea would be to re-use the information already harvested by
>ceilo, where these data are of interest to multiple sinks.
>
>So for example, I just proposed a patch to the ceilo libvirt
>pollster to estimate the guest CPU utilization %. The idea would
>be to share this same measurement with both the metering and
>metrics pipelines, instead of repeating it, seeing as it's of
>interest to both.
>
>Whereas IIUC the Monday meeting is more concerned with the source
>side, i.e producing more fine-grained instrumention/timings/
>telemetry of a form that we don't currently produce in ceilo.

Not really it makes sense for everyone generating these events
to do it in a consistent way.

If we add metering events to projects (nova/glance/etc..) why should
this be different code to that is in the agent?

See:
http://wiki.openstack.org/InstrumentationMetricsMonitoring?action=AttachFile&do=view&target=InstrumentationMonitoringSketch.png

-Angus

>
>Cheers,
>Eoghan
>
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