On 17 Jan 2023, at 4:01, Han Zhou wrote:

> Today the minimum value for this setting is 1. This patch allows it to
> be 0, meaning not checking pps at all, and always do revalidation.
>
> This is particularly useful for environments where some of the
> applications with long-lived connections may have very low traffic for
> certain period but have high rate of burst periodically. It is desirable
> to keep the datapath flows instead of periodically deleting them to
> avoid burst of packet miss to userspace.
>
> When setting to 0, there may be more datapath flows to be revalidated,
> resulting in higher CPU cost of revalidator threads. This is the
> downside but in certain cases this is still more desirable than packet
> misses to user space.
>
> Signed-off-by: Han Zhou <hz...@ovn.org>

Thanks for addressing the documentation Han!

Acked-by: Eelco Chaudron <echau...@redhat.com>

_______________________________________________
dev mailing list
d...@openvswitch.org
https://mail.openvswitch.org/mailman/listinfo/ovs-dev

Reply via email to