On 6/14/2016 10:14 AM, Kris G. Lindgren wrote:
Cern is running ceilometer at scale with many thousands of compute
nodes. I think their blog goes into some detail about it [1], but I
don’t have a direct link to it.
[1] - http://openstack-in-production.blogspot.com/
___________________________________________________________________
Kris Lindgren
Senior Linux Systems Engineer
GoDaddy
From: Bill Jones <bill.jo...@sungardas.com
<mailto:bill.jo...@sungardas.com>>
Date: Tuesday, June 14, 2016 at 9:03 AM
To: "openstack-oper." <openstack-operators@lists.openstack.org
<mailto:openstack-operators@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
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This is the specific blog post I think:
http://openstack-in-production.blogspot.com/2014/03/cern-cloud-architecture-update-for.html
--
Thanks,
Matt Riedemann
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