[Bloat] SO_SNDBUF and SO_RCVBUF

Simon Barber simon at superduper.net
Wed Apr 22 15:20:33 PDT 2015


Wouldn't the LOWAT setting be much easier for applications to use if it was 
set in estimated time (ie time it will take to deliver the data) rather 
than bytes?

Simon

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On April 22, 2015 2:47:34 PM Eric Dumazet <eric.dumazet at gmail.com> wrote:

> On Wed, 2015-04-22 at 14:05 -0700, Rick Jones wrote:
> > On 04/22/2015 02:02 PM, Eric Dumazet wrote:
> > > Yeah, the real nice thing is TCP_NOTSENT_LOWAT added in linux-3.12
> >
> > Don't go telling Dave about that, he wants me to put too much into
> > netperf as it is!-)
>
> Note that one can also set a sysctl, in case netperf author does not
> want to change its baby ;)
>
> echo 131072 >/proc/sys/net/ipv4/tcp_notsent_lowat
>
>
>
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