[openstack-dev] [neutron] trunk api performance and scale measurments

Ihar Hrachyshka ihrachys at redhat.com
Thu Dec 8 08:06:16 UTC 2016


Do you test with https://review.openstack.org/#/c/271830/ included? Would  
be nice to use a setup with the patch included as our new base.

Brian Stajkowski <Brian.Stajkowski at rackspace.com> wrote:

> Yes, this actually has to do with the policy check on any list of objects,
> including ports.  The patch has to do with bypassing this individual
> object check for get and delete as the individual attribute checks are
> bypassed. The mentality is, if you have a list of objects with a base
> action of get_ports, you are checking each object against the base action,
> so why check every object.  But, I¹m looking for someone to say, yes there
> is a reason and this is why.  Other than that, this cuts the response time
> in half, but I¹m getting weird test failures with 3 tests as they are
> related to a query count check, so some challenges.
> --
> Brian Stajkowski
>
> Manager, Software Development ­ US
> m: 702.575.7890
> irc: ski
> e: brian.stajkowski at rackspace.com
>
>
>
>
> On 12/7/16, 3:38 AM, "John Davidge" <John.Davidge at rackspace.com> wrote:
>
>> On 12/6/16, 6:06 PM, "Tidwell, Ryan" <ryan.tidwell at hpe.com> wrote:
>>
>>> I failed to make much mention of it in previous write-ups, but I also
>>> encountered scale issues with listing ports after a certain threshold. I
>>> haven¹t gone back
>>> to identify where the tipping point is, but I did notice that Horizon
>>> began to really bog down as I added ports to the system. On the surface
>>> it didn¹t seem to matter whether these ports were used as subports or
>>> not, the sheer volume of ports added to the
>>> system seemed to cause both Horizon and more importantly GET on
>>> v2.0/ports to really bog down.
>>>
>>> -Ryan
>>
>> Could this be related to https://bugs.launchpad.net/neutron/+bug/1611626 ?
>>
>> John
>>
>>
>> ________________________________
>> Rackspace Limited is a company registered in England & Wales (company
>> registered number 03897010) whose registered office is at 5 Millington
>> Road, Hyde Park Hayes, Middlesex UB3 4AZ. Rackspace Limited privacy
>> policy can be viewed at www.rackspace.co.uk/legal/privacy-policy - This
>> e-mail message may contain confidential or privileged information
>> intended for the recipient. Any dissemination, distribution or copying of
>> the enclosed material is prohibited. If you receive this transmission in
>> error, please notify us immediately by e-mail at abuse at rackspace.com and
>> delete the original message. Your cooperation is appreciated.
>> __________________________________________________________________________
>> OpenStack Development Mailing List (not for usage questions)
>> Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>
>
> __________________________________________________________________________
> OpenStack Development Mailing List (not for usage questions)
> Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev





More information about the OpenStack-dev mailing list