On Wed, 12 Nov 2025 07:55:48 +0100
Stefano Brivio <sbrivio@redhat.com> wrote:

> Hi Max,
> 
> On Tue, 11 Nov 2025 23:11:17 -0700
> Max Chernoff <git@maxchernoff.ca> wrote:
> 
> > Hi,
> > 
> > For the past few months, I've noticed that my HTTP uploads from
> > containers are really slow. Reproduction:
> > 
> > [...]
> >
> > - The host that I ran this from is a VM in a datacenter, supposedly with
> >   a symmetrical 1Gb/s connection. Pinging github.com shows an RTT of
> >   2ms, and pinging www.ctan.org shows an RTT of 100ms.  
> 
> Thanks for reporting this. Coincidentally, I'm currently debugging an
> issue that looks similar to this, and I should have some patches for
> you to test in a couple of days, I'll keep you posted.

Hmm, actually, I have a hack that's not quite correct (we should make
ACK_INTERVAL adaptive instead, which is one of the other bits I'm
working on), but if it fixes the issue for you, it should at least mean
that we're talking about the same issue.

Patch attached. Can you give that a try?

-- 
Stefano