[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
>>
>>
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