Date: Sat, 28 Jun 2003 13:43:46 +0200 From: "Simon L. Nielsen" <simon@nitro.dk> To: Craig Reyenga <craig@craig.afraid.org> Cc: freebsd-performance@freebsd.org Subject: Re: Tuning Ggiabit Message-ID: <20030628114342.GB401@nitro.dk> In-Reply-To: <001f01c33d61$070388a0$0200000a@fireball> References: <001f01c33d61$070388a0$0200000a@fireball>
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[-- Attachment #1 --] On 2003.06.28 03:35:43 -0700, Craig Reyenga wrote: > (This message may show up three times, I apologise if so.) > > Hi, > > I've been trying to get my gigabit link to run as fast as possible, but I > have run out of ideas. I've documented (though not very well) what I have > done thus far: > > http://craig.afraid.org/a/b?page=computer/gigabit > > If there is any more I can do besides what I have already done, I would love > to hear it. Please avoid suggestions that require spending money. > > Thanks in advance, When using the em driver under FreeBSD, it can be useful to try to addjust some tuneables in sys/dev/em/if_em.h. Specifically EM_RDTR and EM_TADV. With the hardware in the FreeBSD box I don't think you should expect it to go that fast, since the bus/CPU will be the bottleneck. I would suggest looking at vmstat and similar tools. It can be very useful to find what the bottleneck really is. -- Simon L. Nielsen [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (FreeBSD) iD8DBQE+/X9u8kocFXgPTRwRArksAKDYjiG4kF/unQA5XZcm8ebZXst6TwCgmLZa v26EcFVwd61vqDm04VUhzUY= =CpMi -----END PGP SIGNATURE-----help
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