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regarding ceilometer+oslo.messaging backend[1]. i feel like i should 
mention, i'm not sure how you guys are using the query but i should 
mention that is not the correct way to use Ceilometer meters as it 
currently isn't measuring anything (see hardcoded - volume:1)

again, i'm not sure what query you are utilising, but i would suggest 
you probably change this to use Events (possibly with elasticsearch) 
rather than Meters because it currently doesn't seem to make much sense.

[1] 
https://github.com/openstack/ceilometer/blob/master/ceilometer/meter/data/meters.yaml#L792

On 09/11/2015 5:57 AM, Boris Pavlovic wrote:
> Hi stackers,
>
> Intro
> -------
>
> It's not a big secret that OpenStack is huge and complicated ecosystem 
> of different
> services that are working together to implement OpenStack API.
>
> For example booting VM is going through many projects and services: 
> nova-api, nova-scheduler, nova-compute, glance-api, glance-registry, 
> keystone, cinder-api, neutron-api... and many others.
>
> The question is how to understand what part of the request takes the 
> most of the time and should be improved. It's especially interested to 
> get such data under the load.
>
> To make it simple, I wrote OSProfiler which is tiny library that 
> should be added to all OpenStack
> projects to create cross project/service tracer/profiler.
>
> Demo (trace of CLI command: nova boot) can be found here: 
> http://boris-42.github.io/ngk.html
>
> This library is very simple. For those who wants to know how it works 
> and how it's integrated with OpenStack take a look here: 
> https://github.com/openstack/osprofiler/blob/master/README.rst
>
> What is the current status?
> -----------------------------------
>
> Good news:
> - OSprofiler is mostly done
> - OSprofiler is integrated with Cinder, Glance, Trove & Ceilometer
>
> Bad news:
> - OSprofiler is not integrated in a lot of important projects: 
> Keystone, Nova, Neutron
> - OSprofiler can use only Ceilometer + oslo.messaging as a backend
> - OSprofiler stores part of arguments in api-paste.ini part in 
> project.conf which is terrible thing
> - There is no DSVM job that check that changes in OSprofiler don't 
> break the projects that are using it
> - It's hard to enable OSprofiler in DevStack
>
> Good news:
> I spend some time and made 4 specs that should address most of issues:
> https://github.com/openstack/osprofiler/tree/master/doc/specs
>
> Let's make it happen in Mitaka!
>
> Thoughts?
> By the way somebody would like to join this effort?)
>
> Best regards,
> Boris Pavlovic
>
>
>
>
> _______________________________________________
> OpenStack-operators mailing list
> OpenStack-operators at lists.openstack.org
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators

-- 
gord

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