Hi Boris,
I understand your concern about keeping the number of different benchmark
scenarios in Rally not too big so that users don't get confused. But what I
really like now about benchmark scenario names in Rally is that they are
highly declarative, i.e. you read them and you have a clear idea of what's
going on inside those scenarios. You see "boot_and_delete_server" => you
know that Rally will boot and then delete a server, "boot_server" => only
boot a server.
That's very convenient e.g. when you navigate through Rally report pages:
you see the scenario names in the left panel and you know what to expect
from their results. It seems to me that, if we merge scenarios like
"boot_server"
and "boot_and_delete_server" together, we will lose a bit in clarity.
Besides, as you pointed out, "Nova.boot_server" and
"Nova.boot_and_delete_server"
are used for two different purposes - seems to be indeed a strong reason
for keeping them separated.
Best regards,
Mikhail Dubov
Engineering OPS
Mirantis, Inc.
E-Mail: mdu...@mirantis.com
Skype: msdubov
On Sat, Jan 17, 2015 at 8:47 PM, Boris Pavlovic <bo...@pavlovic.me> wrote:
> Hi stackers,
>
> I have an idea about removing almost half of rally scenarios and keep all
> functionality.
>
> Currently you can see a lot of similar benchmarks like:
>
> NovaServers.boot_server # boot server with passed
> arguments
> NovaServers.boot_and_delete_server # boot server with passed arguments
> and delete
>
> The reason of having this 2 benchmarks are various purpose of them:
>
> 1) Nova.boot_server is used for *volume/scale testing*.
> Where we would like to see how N active VM works and affects OpenStack API
> and booting next VMs.
>
> 2) Nova.boot_and_delete_server is used for *performance/load* testing.
> We are interested how booting and deleting VM perform in case on various
> load (what is different in duration of booting 1 VM when we have 1, 2, M
> simultaneously VM boot actions)
>
>
> *The idea is to keep only 1 boot_server and add arguments "do_delete" with
> by default False. *
>
> It means that:
>
> # this is equal to old Nova.boot_server
> NovaServers.boot_server: [{"args": {...} }]
>
> # this is equal to old Nova.boot_and_delete_server
> NovaServers.boot_server: [{"args": {..., do_delete: True}]
>
>
> Thoughts?
>
>
> Best regards,
> Boris Pavlovic
>
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