Date: Sun, 27 Aug 1995 15:33:41 +0800 (CST) From: Brian Tao <taob@gate.sinica.edu.tw> To: Christopher Sedore <cmsedore@mailbox.syr.edu> Cc: "Amancio Hasty Jr." <hasty@rah.star-gate.com>, freebsd-hackers@freebsd.org Subject: Re: Making a FreeBSD NFS server Message-ID: <Pine.BSI.3.91.950827152937.3729k-100000@aries> In-Reply-To: <Pine.SUN.3.91.950823091036.2184B-100000@rodan.syr.edu>
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On Wed, 23 Aug 1995, Christopher Sedore wrote:
>
> The Network Computing article test were done over FDDI. I got ~3MB/sec
> write and ~2MB/sec read while doing the tests.
>
> Note that the ~2MB/sec read was from a disk which only yielded ~2MB/sec
> when using IOZone locally, so a 7200 rpm drive may make the number go up.
I mounted a local disk via NFS through the loopback interface
(after being reminded that the hostname list to mount(8) isn't comma-
delimited ;-)) and got 1.4 MB/s reading and 1.8 MB/s writing (with
async NFS writes). Running iozone directly on that disk gets me about
3.9 MB/s read and write. My test machine is a 486DX4/100, so it
sounds like a Pentium was used in your benchmark.
> As I understand some of the NFS protocol issues, you probably won't see
> more than ~2MB/sec read from a single process anyway, so you'd have to use
> multiple IOZones or whatever other benchmark you use to break that barrier.
I'd like to see how FreeBSD holds up in an environment where there
are 100+ users all trying to read/write to home directories that are
located on a central fileserver.
--
Brian ("Though this be madness, yet there is method in't") Tao
taob@gate.sinica.edu.tw <-- work ........ play --> taob@io.org
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