Date: Thu, 29 Nov 2001 21:27:00 -0800 From: "Bruce A. Mah" <bmah@FreeBSD.ORG> To: jc@irbs.com Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: FreeBSD performing worse than Linux? Message-ID: <200111300527.fAU5R0s11199@c527597-a.cstvl1.sfba.home.com> In-Reply-To: <20011129004234.A16101@exuma.irbs.com> References: <20011128153817.T61580@monorchid.lemis.com> <15364.38174.938500.946169@caddis.yogotech.com> <20011129004234.A16101@exuma.irbs.com>
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--==_Exmh_1809086212P Content-Type: text/plain; charset=us-ascii If memory serves me right, John Capo wrote: [TCP weirdness] > I see exactly the same behavior on 3 -stable machines running kernels > from late October and early November. Another -stable machine with > a kernel from late September does pause but not as consistently as > the later kernel machines do. The client machine is running a > kernel from early November. How early in November? I'm staring at this commit message and wondering if it has any relevance to your situation: ----- revision 1.107.2.18 date: 2001/11/12 22:11:24; author: nate; state: Exp; lines: +3 -1 MFH: V1.139 when newreno is turned on, if dupacks = 1 or dupacks = 2 and new data is acknowledged, reset the dupacks to 0. The problem was spotted when a connection had its send buffer full because the congestion window was only 1 MSS and was not being incremented because dupacks was not reset to 0. Reviewed by: jlemon ----- Bruce. --==_Exmh_1809086212P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: Exmh version 2.3.1+ 05/14/2001 iD8DBQE8Bxik2MoxcVugUsMRAp0BAJoDRLTc7hQOSaHxLZRtJ2644wg9JACffNIC CLif9tOdN/KQRFF7ktZJekk= =XXeE -----END PGP SIGNATURE----- --==_Exmh_1809086212P-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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