fuel-dev team mailing list archive

[Roman Alekseenkov <ralekseenkov@xxxxxxxxxxxx>]

Make sure it gets documented in the release notes

Roman

On Wednesday, December 18, 2013, Roman Sokolkov wrote:

> Hello, Nadya,
>
> Thank you for raising this important question.
>
> why have you refused to use notifications?
>
>
> Yes, notifications not used in 4.0. Main reason was a buggy ceilometer
> behavior in case with *SQL backend* + notifications:
>
>    - https://bugs.launchpad.net/ceilometer/havana/+bug/1255107 (seems it
>    was fixed Dec.6)
>    - https://bugs.launchpad.net/ceilometer/+bug/1257908
>
> Perfomance degradation was a minor reason and only assumption.
>
> In my opinion we shouldn't merge notifications, until it will work
> properly with SQL.
>
> Notifications work well with MongoDB backend. We plan to merge
> notifications into 4.1 release.
>
> Here is our code:
> https://github.com/rsokolkov/fuel/commit/e94e1f2b3604e0e03ea20356f6e92ec317f7c7e8
>
> Thank you, Roman S.
>
>
>
> On Wed, Dec 18, 2013 at 2:22 PM, Nadya Privalova <nprivalova@xxxxxxxxxxxx<javascript:_e({}, 'cvml', 'nprivalova@xxxxxxxxxxxx');>
> > wrote:
>
>> Guys,
>>
>> One question is still in my mind: why have you refused to use
>> notifications? Looking at
>> http://docs.openstack.org/developer/ceilometer/measurements.html (Origin
>> tab) you may see that Network is monitored by notifications only (except
>> ip.floating, pollster works here). Notification are sent by Glance, Nova
>> and so on not really often: image creation, image update, instance creation
>> - all of these actions don't happen every second.
>> Could you please point me out what I'm missing here?
>>
>> Thanks,
>> Nadya
>>
>>
>>