Open Stack

Thanks for info Bill

Regards
VM


From:  Bill Jones <bill.jones at sungardas.com>
Date:  Wednesday 15 June 2016 at 00:26
To:  Vahric Muhtaryan <vahric at doruk.net.tr>
Cc:  "openstack-oper." <openstack-operators at lists.openstack.org>
Subject:  Re: [Openstack-operators] Scaling Ceilometer compute agent?

Thanks for all the pointers.

Vahric, we're running into this in our lab on a compute host with 135
instances and 12 meters, 3 of which we developed.

/Bill

On Tue, Jun 14, 2016 at 2:54 PM, Vahric Muhtaryan <vahric at doruk.net.tr>
wrote:
> Hello Bill 
> 
> Possible to share how many instance and how many meter per instance you
> collecting and getting this error ?
> 
> I guess for scaling purpose , you are talking about this , right
> http://docs.openstack.org/ha-guide/controller-ha-telemetry.html
> 
> Regards
> VM
> 
> From:  Bill Jones <bill.jones at sungardas.com>
> Date:  Tuesday 14 June 2016 at 18:03
> To:  "openstack-oper." <openstack-operators at lists.openstack.org>
> Subject:  [Openstack-operators] Scaling Ceilometer compute agent?
> 
> Has anyone had any experience with scaling ceilometer compute agents?
> 
> We're starting to see messages like this in logs for some of our compute
> agents:
> 
>> WARNING ceilometer.openstack.common.loopingcall [-] task <function
>> interval_task at 0x2092cf8> run outlasted interval by 293.25 sec
>> 
> This is an indication that the compute agent failed to execute its pipeline
> processing within the allotted interval (in our case 10 min). The result of
> this is that less instance samples are generated per hour than expected, and
> this causes billing issues for us due to the way we calculate usage.
> 
> It looks like we have three options for addressing this: make the pipeline run
> faster, increase the interval time, or scale the compute agents. I'm
> investigating the latter.
> 
> I think I read in the ceilometer architecture docs that the agents are
> designed to scale, but I don't see anything in the docs on how to facilitate
> that. Any pointers would be appreciated.
> 
> Thanks,
> Bill
> _______________________________________________ OpenStack-operators mailing
> list 
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