Date: Sun, 5 Nov 2000 14:24:33 -0800 From: Alfred Perlstein <bright@wintelcom.net> To: David Greenman <dg@root.com> Cc: freebsd-net@FreeBSD.ORG Subject: Re: tcp sendspace/recvspace Message-ID: <20001105142433.K5112@fw.wintelcom.net> In-Reply-To: <200011052202.OAA24207@implode.root.com>; from dg@root.com on Sun, Nov 05, 2000 at 02:02:44PM -0800 References: <200011052202.OAA24207@implode.root.com>
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* David Greenman <dg@root.com> [001105 14:05] wrote: > I've been messing around with the net.inet.tcp.sendspace and > net.inet.tcp.recvspace parameters on ftp.freesoftware.com and have found > that there is a significant performance improvement when increasing these > to 32768 bytes. Apparantly there are enough systems out there with higher > window maxes that it really does make a difference. By significant > improvement, I mean about a average of a 20% increase in Mbps per user, > and this was just the change over a 30 minute period with lots of connections > still using the old 16K values. > Any objections to increasing the defaults in FreeBSD to 32K? No objection, just a suggestion that perhaps it should be set when booting and determined by the amount of ram in the machine. Just setting it 32k would also work. :) -- -Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org] "I have the heart of a child; I keep it in a jar on my desk." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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