From: Wenji Wu <wenji@fnal.gov>
To: "Ilpo Järvinen" <ilpo.jarvinen@helsinki.fi>
Cc: 'John Heffner' <johnwheffner@gmail.com>,
'Netdev' <netdev@vger.kernel.org>
Subject: Re: RE: A Linux TCP SACK Question
Date: Fri, 04 Apr 2008 16:40:52 -0500 [thread overview]
Message-ID: <fbdee7bf38be.47f65a14@fnal.gov> (raw)
In-Reply-To: <Pine.LNX.4.64.0804050031400.8186@wrl-59.cs.helsinki.fi>
> On Fri, 4 Apr 2008, Wenji Wu wrote:
>
> >
> > >I'd suggest that you don't waste too much effort for 2.6.24.
> ...Most of it
> > >is recoded/updated since then.
> >
> > I just tried it on 2.6.25-rc8. The result is still the same: the throughput
> > with SACK on is less than with SACK off.
>
> Hmm, can you also try if playing around with FRTO setting makes some
> difference (tcp_frto sysctl)?
Still the same, I just tried with FRTO, FACK. No difference, SACK on is worse than SACK off.
wenji
prev parent reply other threads:[~2008-04-04 21:50 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-04 4:54 A Linux TCP SACK Question Wenji Wu
2008-04-04 16:27 ` John Heffner
2008-04-04 17:49 ` Wenji Wu
2008-04-04 18:07 ` John Heffner
2008-04-04 20:00 ` Ilpo Järvinen
2008-04-04 20:07 ` Wenji Wu
2008-04-04 21:15 ` Wenji Wu
2008-04-04 21:33 ` Ilpo Järvinen
2008-04-04 21:39 ` Ilpo Järvinen
2008-04-04 22:14 ` Wenji Wu
2008-04-05 17:42 ` Ilpo Järvinen
2008-04-05 21:17 ` Sangtae Ha
2008-04-06 20:27 ` Wenji Wu
2008-04-06 22:43 ` Sangtae Ha
2008-04-07 14:56 ` Wenji Wu
2008-04-08 6:36 ` Ilpo Järvinen
2008-04-08 12:33 ` Wenji Wu
2008-04-08 13:45 ` Ilpo Järvinen
2008-04-08 14:30 ` Wenji Wu
2008-04-08 14:59 ` Ilpo Järvinen
2008-04-08 15:27 ` Wenji Wu
2008-04-08 17:26 ` Ilpo Järvinen
2008-04-14 22:47 ` Wenji Wu
2008-04-15 0:48 ` John Heffner
2008-04-15 8:25 ` Ilpo Järvinen
2008-04-15 18:01 ` Wenji Wu
2008-04-15 22:40 ` John Heffner
2008-04-16 8:27 ` David Miller
2008-04-16 9:21 ` Ilpo Järvinen
2008-04-16 9:35 ` David Miller
2008-04-16 14:50 ` Wenji Wu
2008-04-18 6:52 ` David Miller
2008-08-27 14:38 ` about Linux adaptivly adjusting ssthresh Wenji Wu
2008-08-27 22:48 ` John Heffner
2008-08-28 0:53 ` Wenji Wu
2008-08-28 6:34 ` Ilpo Järvinen
2008-08-28 14:20 ` about Linux adaptivly adjusting dupthresh Wenji Wu
2008-08-28 18:53 ` Ilpo Järvinen
2008-08-28 19:30 ` Wenji Wu
2008-04-16 14:40 ` A Linux TCP SACK Question John Heffner
2008-04-16 15:03 ` Ilpo Järvinen
2008-04-16 14:46 ` Wenji Wu
2008-04-15 15:45 ` Wenji Wu
2008-04-15 16:39 ` Wenji Wu
2008-04-15 17:01 ` John Heffner
2008-04-15 17:08 ` Ilpo Järvinen
2008-04-15 17:23 ` John Heffner
2008-04-15 18:00 ` Matt Mathis
2008-04-15 17:55 ` Wenji Wu
2008-04-08 15:57 ` John Heffner
2008-04-08 14:07 ` John Heffner
2008-04-14 16:10 ` Wenji Wu
2008-04-14 16:48 ` Ilpo Järvinen
2008-04-14 22:07 ` Wenji Wu
2008-04-15 8:23 ` Ilpo Järvinen
2008-04-04 21:40 ` Wenji Wu [this message]
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