Date: Fri, 30 Nov 2001 10:20:25 -0500 From: John Capo <jc@irbs.com> To: "Bruce A. Mah" <bmah@FreeBSD.ORG> Cc: jc@irbs.com, freebsd-hackers@FreeBSD.ORG Subject: Re: FreeBSD performing worse than Linux? Message-ID: <20011130102025.A90660@exuma.irbs.com> In-Reply-To: <200111300527.fAU5R0s11199@c527597-a.cstvl1.sfba.home.com>; from bmah@FreeBSD.ORG on Thu, Nov 29, 2001 at 09:27:00PM -0800 References: <20011128153817.T61580@monorchid.lemis.com> <15364.38174.938500.946169@caddis.yogotech.com> <20011129004234.A16101@exuma.irbs.com> <200111300527.fAU5R0s11199@c527597-a.cstvl1.sfba.home.com>
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Quoting Bruce A. Mah (bmah@FreeBSD.ORG):
>
> 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
> -----
Kernel was built on November 7 probably from sources a day or two
earlier. The source tree has been updated since the build. Nate's
commit above is not in my kernel.
For those interested the server and client dumps are here:
http://www.irbs.net/server-dump.html
http://www.irbs.net/client-dump.html
The server clock looks like its about 900Ms ahead of the client.
John Capo
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