Re: TCP reaching to maximum throughput after a long time

Eric Dumazet
2016-04-12T20:30:04Z

On Tue, 2016-04-12 at 13:23 -0700, Ben Greear wrote:

> It worked well enough for years that I didn't even know other algorithms were
> available. It was broken around 4.0 time, and I reported it to the list,
> and no one seemed to really care enough to do anything about it. I changed
> to reno and ignored the problem as well.
>
> It is trivially easy to see the regression when using ath10k NIC, and from this email
> thread, I guess other NICs have similar issues.

Since it is so trivial, why don't you start a bisection ?

I asked a capture, I did not say ' switch to Reno or whatever ', right ?

Guessing is nice, but investigating and fixing is better.

Do not assume that nothing can be done, please ?

Thanks.