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On 19 January 2016 at 23:11, Steve Martinelli <stevemar at ca.ibm.com> wrote:

> Hmm, looking at:
> https://github.com/openstack/keystonemiddleware/compare/4.0.0...4.1.0 the
> only change that I can think of that might be the culprit is:
> https://github.com/openstack/keystonemiddleware/commit/f27d7f776e8556d976f75d07c99373455106de52
>
> I'll dig into this some more soon, but it might be worth trying things out
> with that commit reverted.
>

Unfortunately patch [1] didn't have any effect. So I am trying with [2].

[1] https://review.openstack.org/#/c/270024/
[2] https://review.openstack.org/#/c/270417/

>
>
> stevemar
>
> [image: Inactive hide details for "Armando M." ---2016/01/20 01:59:44
> AM---On 19 January 2016 at 22:46, Kevin Benton <blak111 at gmail.com]"Armando
> M." ---2016/01/20 01:59:44 AM---On 19 January 2016 at 22:46, Kevin Benton <
> blak111 at gmail.com> wrote: > Hi all,
>
> From: "Armando M." <armamig at gmail.com>
> To: "OpenStack Development Mailing List (not for usage questions)" <
> openstack-dev at lists.openstack.org>
> Date: 2016/01/20 01:59 AM
> Subject: Re: [openstack-dev] [keystone][neutron][requirements] -
> keystonemiddleware-4.1.0 performance regression
> ------------------------------
>
>
>
>
>
> On 19 January 2016 at 22:46, Kevin Benton <*blak111 at gmail.com*
> <blak111 at gmail.com>> wrote:
>
>    Hi all,
>
>    We noticed a major jump in the neutron tempest and API test run times
>    recently in Neutron. After digging through logstash I found out that it
>    first occurred on the requirements bump here:
>    *https://review.openstack.org/#/c/265697/*
>    <https://review.openstack.org/#/c/265697/>
>
>    After locally testing each requirements change individually, I found
>    that the keystonemiddleware change seems to be the culprit. It almost
>    doubles the time it takes to fulfill simple port-list requests in Neutron.
>
>    Armando pushed up a patch here to confirm:
>    *https://review.openstack.org/#/c/270024/*
>    <https://review.openstack.org/#/c/270024/>
>    Once that's verified, we should probably put a cap on the middleware
>    because it's causing the tests to run up close to their time limits.
>
>
> Kevin,
>
> As usual your analytical skills are to be praised.
>
> I wonder if anyone else is aware of the issue/s, because during the usual
> hunting I could see other projects being affected and showing abnormally
> high run times of the dsvm jobs.
>
> I am not sure that [1] is the right approach, but it should give us some
> data points if executed successfully.
>
> Cheers,
> Armando
>
> [1]  *https://review.openstack.org/#/c/270024/*
> <https://review.openstack.org/#/c/270024/>
>
>
>    --
>    Kevin Benton
>
>
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