i won't lie, i don't remember opening that bug.lol
it actually might be related to this previous fix:
On 12/10/16 08:49 PM, Jake Yip wrote:
> Hi all!
> We've been trying to get gnocchi working us, and have been hitting some
> performance bottlenecks. It seems that the 'host' field for the instance
> resource-type flaps between host id and host names. This makes the
> gnocchi dispatcher calls an update per resource which is a HTTP PATCH
> call. The large amount of HTTP calls causes gnocchi to be unable to keep
> up with ceilometer, essentially making it unworkable for us in production.
> I've tried removing this update code and can get ~5x the performance. So
> I guess the questions are,
> 1) why is the host information flapping? Are there difference services
> generating this data?
> 2) If gnocchi data can be viewable by the user, should we only have host
> id in the resource? (similar to what nova shows to user)
> 3) Anyone running gnocchi in prod, can you let us know how is it going?
> Any pointers to track down this issue will be appreciated! There is a
> bug open for this issue but I hope this email can reach more people.
> FYI, we are running Mitaka ceilometer and gnocchi, but we have patched
> ceilometer to use the Newton gnocchi dispatcher to help with performance.
>  https://bugs.launchpad.net/ceilometer/+bug/1569037
> Jake Yip,
> DevOps Engineer,
> Core Services, NeCTAR Research Cloud,
> The University of Melbourne
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