openstack team mailing list archive

[Loic Dachary <loic@xxxxxxxxxxxx>]

On 05/02/2012 07:19 AM, Mark McLoughlin wrote:
> Hey,
>
> On Tue, 2012-05-01 at 23:05 +0200, Loic Dachary wrote:
>> On 05/01/2012 06:13 PM, Mark McLoughlin wrote:
>>> Hi Loic,
>>>
>>> On Mon, 2012-04-30 at 12:15 +0200, Loic Dachary wrote:
>>>   - I agree that we don't want to go too far with aggregation and lose 
>>>     useful data like which instances have been running as opposed to 
>>>     just how many instance minutes a given tenant has consumed
>>>
>>>     Another aspect of aggregation to think about is aggregation over 
>>>     time - e.g. I might like to see my hourly network usage has varied 
>>>     over the last week, or how my daily usage has varied over the last 
>>>     month, but I probably don't care so much about my hourly usage on a 
>>>     specific day 3 months ago
>>>
>>>     oVirt's equivalent of a metering service does this kind of 
>>>     aggregation as follows:
>>>
>>>       http://www.ovirt.org/wiki/Ovirt_DWH
>>>
>>>         * Sample data is collected at the end of every minute and is
>>>           kept for up to 48 hours.
>>>         * Hourly level is aggregated every hour for the hour before 
>>>           last and is kept for 2 months.
>>>         * Daily level is aggregated every day for the day before last
>>>           and is kept for 5 years. 
>> Where can I read a description of the corresponding database ?
> Here FWIW: http://goo.gl/3Bqct
Thanks : http://wiki.openstack.org/EfficientMetering?action=diff&rev2=49&rev1=48
>
> Cheers,
> Mark.
>


-- 
Loïc Dachary         Chief Research Officer
// eNovance labs   http://labs.enovance.com
// ✉ loic@xxxxxxxxxxxx  ☎ +33 1 49 70 99 82