Re: [Xen-devel] "tcp: refine TSO autosizing" causes performance regression on Xen

Wei Liu
2015-06-02T09:52:55Z

Hi Eric

Sorry for coming late to the discussion.

On Thu, Apr 16, 2015 at 05:42:16AM -0700, Eric Dumazet wrote:
> On Thu, 2015-04-16 at 11:01 +0100, George Dunlap wrote:
>
> > He suggested that after he'd been prodded by 4 more e-mails in which two
> > of us guessed what he was trying to get at. That's what I was
> > complaining about.
>
> My big complain is that I suggested to test to double the sysctl, which
> gave good results.
>

Do I understand correctly that it's acceptable to you to double the size
of the buffer? If so I will send a patch to do that.

Wei.

> Then you provided a patch using a 8x factor. How does that sound ?
>
> Next time I ask a raise, I should try a 8x factor as well, who knows,
> it might be accepted.
>
>