On 6/8/26 2:30 PM, Patryk Diak wrote:
> To share some concrete numbers: we tested with 500 L2 networks and 4500
> pods(two logical ports each) across 24 nodes.
> Average pod ready latency dropped from 21s to 7s and p99 dropped from
> 41s to 22s.
> There's likely room to tune the p99 further and bring it closer to the
> average.
> 
> On Mon, Jun 8, 2026 at 2:20 PM Patryk Diak <[email protected]
> <mailto:[email protected]>> wrote:
> 
>     Hi Dumitru,
> 
>     Testing this in ovn-kubernetes with layer2 primary UDNs, which use
>     remote ports extensively, showed amazing improvements at scale.
>     Average time for a pod to become ready dropped by over 60%, and p99
>     dropped by approximately 45%. It would be great if it could be
>     backported. 
> 
>     Patryk

Hi Patryk,

Thanks for sharing the testing results!  Based on that (and upstream CI
results) I went ahead and backported this patch to 26.03 and 25.09.

Regards,
Dumitru

> 
>     On Fri, Jun 5, 2026 at 4:33 PM Dumitru Ceara <[email protected]
>     <mailto:[email protected]>> wrote:
> 
>         Hi Ales, Mark,
> 
>         On 6/5/26 9:58 AM, Ales Musil wrote:
>         > On Thu, Jun 4, 2026 at 10:57 PM Mark Michelson via dev <
>         > [email protected] <mailto:[email protected]>> wrote:
>         >
>         >> Thanks Dumitru!
>         >>
>         >> Acked-by: Mark Michelson <[email protected]
>         <mailto:[email protected]>>
>         >>
> 
>         ....
> 
>         >>
>         >>
>         > Thank you Dumitru and Mark,
>         >
>         > applied to main for now. Dumitru, would you mind doing a bit
>         more testing
>         > before backporting?
>         >
> 
>         Thanks for the review and for merging this!
> 
>         I ran the full ovn-kubernetes upstream CI with this change and
>         everything is green:
> 
>         https://github.com/dceara/ovn-kubernetes/actions/
>         runs/27004054146 <https://github.com/dceara/ovn-kubernetes/
>         actions/runs/27004054146>
> 
>         I'm also going to work with Patryk next week to do some more
>         downstream
>         validation of this change at scale.  I'll reply once I have more
>         information.
> 
>         Thanks,
>         Dumitru
> 

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