[Codel] [Make-wifi-fast] fq_codel_drop vs a udp flood

[David Lang]

On Mon, 2 May 2016, Roman Yeryomin wrote:

> On 1 May 2016 at 17:47,  <dpreed at reed.com> wrote:
>> Maybe I missed something, but why is it important to optimize for a UDP flood?
>
> We don't need to optimize it to UDP but UDP is used e.g. by torrents
> to achieve higher throughput and used a lot in general.
> And, again, in this case TCP is broken too (750Mbps down to 550), so
> it's not like Dave is saying that UDP test is broken, fq_codel is just
> too hungry for CPU

while I wouldn't do it via wifi, syslog to/from relay systems can result in a 
lot of UDP traffic that could look like a flood.

David Lang