[Codel] fq_codel_drop vs a udp flood

Roman Yeryomin leroi.lists at gmail.com
Mon May 2 08:42:35 PDT 2016


On 2 May 2016 at 18:04, Eric Dumazet <eric.dumazet at gmail.com> wrote:
> On Mon, 2016-05-02 at 17:09 +0300, Roman Yeryomin wrote:
>
>> So if I run some UDP download you will just kill me? Sounds broken.
>>
>
> Seriously guys, I never suggesting kill a _task_ but the _flow_
>
> Meaning dropping packets. See ?
>
> If you do not want to drop packets, do not use fq_codel and simply use
> bufferbloat pfifo_fast.
>

I understand what you mean but in case of a flow running through the
AP it probably could be considered as "task"

I've tried pfifo before, it was better but didn't help much.
How much faster pfifo_fast is?

Regards,
Roman



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