Date: Tue, 30 May 2006 16:26:39 -0400 (EDT) From: "Lucas Holt" <luke@foolishgames.com> To: "Mike Meyer" <mwm-keyword-freebsdhackers2.e313df@mired.org> Cc: hackers@freebsd.org Subject: Re: Asymmetric ethernet throughput? Message-ID: <1225.141.218.159.32.1149020799.squirrel@www.foolishgames.com> In-Reply-To: <17532.42196.508218.964130@bhuda.mired.org> References: <17532.42196.508218.964130@bhuda.mired.org>
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Does disabling net.inet.tcp.inflight.enable make any difference? I've noticed strange transfer speed differences between a samba server on freebsd 6.1 and OS 10.4.6 clients and Windows. With these set in /etc/sysctl.conf, I can get reasonable speeds on both the macs and windows box. net.inet.tcp.delayed_ack=0 net.inet.tcp.inflight.enable=0 I also needed to set these in /usr/local/etc/smb.conf socket options = TCP_NODELAY SO_SNDBUF=8576 use sendfile = yes I've also experimented with other settings like lowering the quality of the timer with kern.timecounter.hardware=TSC which seemed to increase throughput in some cases but not others. Luke
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