[Openstack-operators] [openstack-dev] [openstack-operators][Rally][HA-testing][multi-scenarios-load-gen] Proposal to change Rally input task format

Mikhail Dubov mdubov at mirantis.com
Fri Feb 27 12:02:31 UTC 2015

Hi Boris,

nice job! I like how this new task format looks like. I have commented your
patch with a couple of suggestions to make it even easier to understand.

Best regards,
Mikhail Dubov

Engineering OPS
Mirantis, Inc.
E-Mail: mdubov at mirantis.com
Skype: msdubov

On Thu, Feb 26, 2015 at 12:24 AM, Boris Pavlovic <boris at pavlovic.me> wrote:

> Hi stackers,
> When we started Rally we have a just small idea to make some tool that
> generates load and measures performance. During almost 2 years a lot of
> changed in Rally, so now it's quite common testing framework that allows to
> cover various topics like: stress, load, volume, performance, negative,
> functional testing. Since the begging we have idea of "scenario" centric
> approach, where scenario method that is called multiple times
> simultaneously to generate load and duration of it is collected.
> This is huge limitation that doesn't allow us to easily generate real life
> load. (e.g. loading simultaneously few components) or HA testing (where we
> need during the load generation to disable/kill process, reboot or power
> off physical nodes). To make this possible we should just run multiple
> scenarios in parallel, but this change will require change in input task
> format.
> I made proposal of new Rally task input format in this patch:
> https://review.openstack.org/#/c/159065/3/specs/new_rally_input_task_format.yaml
> Please review it. Let's try to resolve all UX issues before starting
> working on it.
> P.S. I hope this will be the last big change in Rally input task format..
> Best regards,
> Boris Pavlovic
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