[ovs-dev] [OVN Patch v6 4/4] northd: Restore parallel build with dp_groups

Anton Ivanov anton.ivanov at cambridgegreys.com
Mon Sep 13 17:02:21 UTC 2021


On 10/09/2021 16:37, Dumitru Ceara wrote:
> On 9/10/21 2:18 PM, Anton Ivanov wrote:
>>> On a side note, I ran some tests with this patch set applied and it drops
>>> performance of non-parallel case by 20% on my laptop with databases from
>>> the ovn-heater's 120 node density test.
>>>
>>> I see, you mentioned 10% improvement in the commit message.  Assuming
>>> it's
>>> with parallelization enabled, right?
>> Yes. And no difference on heater tests up to 36 fake nodes with 7200 ports.
> Just joining the conversation to mention that ovn-heater was
> significantly changed/improved and its tests are way different compared
> to a few months ago.
>
> If you're not running the new version of ovn-heater (that doesn't rely
> on rally-ovs/ovn-scale-test) it's available here:

Thanks, I updated and it is much better than the old one.

I scaled down the config for 20 heavy to 11 match my rig (I try to run one node - one worker).

Brgds,

>
> https://github.com/dceara/ovn-heater
>
> And the test Ilya referred to is:
>
> https://github.com/dceara/ovn-heater/blob/master/test-scenarios/ocp-120-density-heavy.yml
>
> To run it (just replace 20 with 120):
> https://github.com/dceara/ovn-heater#example-run-20-nodes-density-heavy
>
> We run these tests weekly on a setup with 30 physical servers on which
> we provision 120 "fake" nodes:
>
> https://github.com/dceara/ovn-heater/blob/master/test-scenarios/ocp-120-density-light.yml
> https://github.com/dceara/ovn-heater/blob/master/test-scenarios/ocp-120-density-heavy.yml
> https://github.com/dceara/ovn-heater/blob/master/test-scenarios/ocp-120-cluster-density.yml
> https://github.com/dceara/ovn-heater/blob/master/test-scenarios/ocp-120-np-multitenant.yml
>
> Regards,
> Dumitru
>
>
-- 
Anton R. Ivanov
Cambridgegreys Limited. Registered in England. Company Number 10273661
https://www.cambridgegreys.com/



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