Subject: Re: Raising NFS parameters for higher bandwith or "long fat pipe"
To: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: tech-net
Date: 12/23/2003 19:55:33
On Mon, Dec 22, 2003 at 09:03:10AM +0900, YAMAMOTO Takashi wrote:
> > > FYI, the following is a result on my notebook.
> > > (p3-700, 384M memory, 100baseTX, TCP, 4 nfsiods)
> > > 
> > > kaeru% time dd if=/dev/zero of=a bs=128k count=8000
> > > 8000+0 records in
> > > 8000+0 records out
> > > 1048576000 bytes transferred in 94.801 secs (11060811 bytes/sec)
> > > dd if=/dev/zero of=a bs=128k count=8000  0.17s user 15.25s system 16% cpu 1:34.81 total
> > > kaeru% time dd of=/dev/zero if=a bs=128k count=8000
> > > 8000+0 records in
> > > 8000+0 records out
> > > 1048576000 bytes transferred in 99.565 secs (10531572 bytes/sec)
> > > dd of=/dev/zero if=a bs=128k count=8000  0.10s user 10.23s system 10% cpu 1:39.78 total
> > 
> > What hardware do you have on the server side ?
> 
> i386 1.6ZG, 8 nfsds, P4-2.4GHz, 1G memory, ide drive, fxp.

He, note that your test file fits in ram on the server side (it's 1000MB,
you have 1024MB).

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 23 ans d'experience feront toujours la difference
--