Date: Thu, 20 May 2004 16:44:24 -0700 From: JG <amd64list@jpgsworld.com> To: freebsd-amd64@freebsd.org Subject: Re: Why is MySQL nearly twice as fast on Linux/AMD64 Vs. FreeBSD/AMD64? Message-ID: <5.2.0.9.2.20040520164054.04317628@mail.ojoink.com> In-Reply-To: <16557.14509.453199.165108@grasshopper.cs.duke.edu> References: <5.2.0.9.2.20040518103357.04c6cbb8@mail.ojoink.com> <5.2.0.9.2.20040518103357.04c6cbb8@mail.ojoink.com>
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> >Can you describe in more detail the network configuration? Is it a >gigabit link? > >If so, have you compared just the network performance between FreeBSD >and Linux on this box, using the host you're running myBench on? Try >the netperf port.. > >A recent posting in -net suggests there may be some network >performance problems on amd64 (or it could have just been the tester's >machine). >(http://lists.FreeBSD.org/pipermail/freebsd-net/2004-May/004034.html) > >Drew Drew, It's only a 100mbit connection. I can try netperf a little later... but I had to wipe the mandrake install in order to do the the i386 FreeBSD install, so I'm temporarily unable to test Linux anymore. Anyway I think it's pointing to probably a threading and/or SMP issue, but I'll definitely test network performance between the two as well. - Jeremy
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