[openstack-dev] [ceilometer] Performance degradation (docs) for sampling rate less than 10 mins

Ilya Tyaptin ityaptin at mirantis.com
Thu Sep 18 18:05:58 UTC 2014


Hi Patanjali!

We have inspected this question and got a document with results of this
testing.
Tests are running on physical lab and includes 2000 VMs ran by Nova and 60
second polling interval.

Expanded information in doc
https://docs.google.com/a/mirantis.com/document/d/1jvqIy6fWQBvTZEfdnk37FvF5xtA3l7Cx09VNoe6bBRU

If you have any question I'll be happy to answer.

On Thu, Sep 18, 2014 at 7:56 PM, Srikanta Patanjali <p.srikanta at gmail.com>
wrote:

> Hi Team,
>
> I was considering to change the default sampling rate of the Ceilometer
> from 10 mins to less than that. I foresee an adverse impact on its
> performance due to increase in the data inside the MondoDB.
>
> I was wondering if the QA team (or anyone else) has done any of the load
> tests with these parameters ? It would be helpful to have access to these
> results (if any).
>
> If not, I would like to know the views on increasing the sample rate value
> (in the pipleline.yaml file)
>
> Cheers,
> Srikanta
> InIT ¦ ICCLab
> ZHAW
>
> _______________________________________________
> OpenStack-dev mailing list
> OpenStack-dev at lists.openstack.org
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>
>


-- 

Best regards,

Tyaptin Ilia,

Software Engineer.
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