[openstack-dev] [keystone][neutron][requirements] - keystonemiddleware-4.1.0 performance regression

Kevin Benton blak111 at gmail.com
Wed Jan 20 06:46:05 UTC 2016

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:

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:
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 Benton
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