[ovs-dev] [PATCH v4 1/3] dpif-netdev: Add parameters to configure auto load balance.

[David Marchand]

On Thu, Dec 17, 2020 at 8:23 PM Kevin Traynor <ktraynor at redhat.com> wrote:
>
> From: Christophe Fontaine <cfontain at redhat.com>
>
> Two important parts of how auto load balance operates is how
> loaded a core needs to be and how much improvement is estimated
> before an auto load balance can trigger.
>
> Previously they were hardcoded to 95% loaded and 25% variance
> improvement.
>
> These default values may not be suitable for all use cases and
> we may want to use a more (or less) aggressive rebalance, either
> on the pmd load threshold or on the minimum variance improvement
> threshold.
>
> The defaults are not changed, but "pmd-auto-lb-pmd-load" and
> "pmd-auto-lb-improvement" parameters are added to override the defaults.
>
> $ ovs-vsctl set open_vswitch . other_config:pmd-auto-lb-pmd-load="70"
> $ ovs-vsctl set open_vswitch . other_config:pmd-auto-lb-improvement="20"
>
> Signed-off-by: Christophe Fontaine <cfontain at redhat.com>
> Signed-off-by: Kevin Traynor <ktraynor at redhat.com>

Acked-by: David Marchand <david.marchand at redhat.com>

Just a nit: we could use a single denomination like *PMD* auto load
balancing/balance in both NEWS and the database fields description for
consistency and avoid confusion with other OVS features.


--
David Marchand