If you have high RTT on loopback or virtual interfaces, Codel is going to be the least of your problems ;-)

David Lang

On Tue, 28 Jul 2015, Simon Barber wrote:

The main danger is the negative effects on performance of using Codel. You may experience low throughput on high RTT links.

Simon

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On July 28, 2015 7:06:22 AM Toke Høiland-Jørgensen <[email protected]> wrote:

Juliusz Chroboczek <[email protected]> writes:

>> What distro are you on?
>
> Debian.  (One machine stable, one testing.)

Right. Don't know if there's already an effort to convince the Debian
devs to switch the default...

>> Set this to fq_codel and you should be good to go.
>
> Is that safe?  I'm thinking lo and virtual interfaces.

Why wouldn't it be? The lo interface doesn't have a queue at all AFAIK.
And if you have congestion at your virtual interfaces wouldn't you want
it de-bloated? :)

-Toke
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