Date: Thu, 18 Nov 2004 02:55:43 -0800 (PST) From: Arne "Wörner" <arne_woerner@yahoo.com> To: Claus Guttesen <cguttesen@yahoo.dk>, Aaron Glenn <aaron.glenn@gmail.com>, freebsd-performance@freebsd.org Subject: Re: I've ran out of ideas Message-ID: <20041118105543.10295.qmail@web41208.mail.yahoo.com> In-Reply-To: <20041118101026.55888.qmail@web14121.mail.yahoo.com>
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> > I'm pushing large files via thttpd over low-end > > hardware (celeron > > 1.8GHz, 512MB RAM, UATA 100 drive) and, out of the > > box, FreeBSD > > 5.3-RELEASE topped out at 40Mbps sustained. After > > creating a separate > > partition with a much larger blocksize, it's hit > > 50Mbps sustained but > > won't go past 54Mbps at all. > > You could try adding/tweaking HZ to 1000/2000 in > kernel and add kern.polling.enable=1 to > /etc/sysctl.conf. > Here I would like to mention the man page polling(4) for clarification (it does not look like the GENERIC kernel can do polling...). Furthermore I would like to know, how fast is a "dd if=/dev/discXY of=/dev/null bs=64k count=1000" in single user mode on your box (I can do 42.8MByte/sec with UDMA-100 and ST340015A (Seagate?))... -Arne __________________________________ Do you Yahoo!? The all-new My Yahoo! - Get yours free! http://my.yahoo.com
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