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From: Simon Barber <simon@superduper.net>
To: Eric Dumazet <eric.dumazet@gmail.com>, Rick Jones <rick.jones2@hp.com>
Cc: Hal Murray <hmurray@megapathdsl.net>,
	bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Bloat] SO_SNDBUF and SO_RCVBUF
Date: Wed, 22 Apr 2015 15:20:33 -0700	[thread overview]
Message-ID: <14ce337d3c8.27f7.e972a4f4d859b00521b2b659602cb2f9@superduper.net> (raw)
In-Reply-To: <1429739215.18561.151.camel@edumazet-glaptop2.roam.corp.google.com>

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@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
>
>
>
> _______________________________________________
> Bloat mailing list
> Bloat@lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/bloat



  reply	other threads:[~2015-04-22 22:20 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-22 19:10 Hal Murray
2015-04-22 19:26 ` Rick Jones
2015-04-22 19:28 ` Dave Taht
2015-04-22 21:02   ` Eric Dumazet
2015-04-22 21:05     ` Rick Jones
2015-04-22 21:46       ` Eric Dumazet
2015-04-22 22:20         ` Simon Barber [this message]
2015-04-22 23:08           ` Eric Dumazet
2015-04-24  4:37       ` Dave Taht
2015-04-24  4:40         ` Dave Taht
2015-04-24 13:50           ` Eric Dumazet
2015-04-24 14:34             ` Dave Taht
2015-04-24 16:31             ` Rick Jones
2015-04-24 18:41               ` Eric Dumazet
2015-04-24  5:23         ` Eric Dumazet
2015-04-22 21:07     ` Steinar H. Gunderson
2015-04-22 21:42       ` Eric Dumazet
2015-04-22 21:47         ` Dave Taht
2015-04-22 22:11         ` Steinar H. Gunderson

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