Subject: Re: multiple processors on NFS servers
To: Michael Richardson <email@example.com>
From: Manuel Bouyer <firstname.lastname@example.org>
Date: 04/13/2000 22:51:22
On Wed, Apr 12, 2000 at 08:13:44PM -0400, Michael Richardson wrote:
> Given that CPU speeds have increased an order of magnitude faster than
> disk speeds, is there any advantage to having multiple CPUs on NFS servers?
> It used to be that NFS servers were always CPU bound, but that was in the
> days of 20Mhz '030s and 40Mhz Sparc CPUs. Are there any papers that describe
> what happens now?
> The origin of this query: I'd rather switch a Linux NFS server for a
> NetBSD one (vs a FreeBSD one). Linux botches NFS, and frankly, simple things
> like "reboot" fail to work if you have exported partitions. I prefer NetBSD
> for administrative reasons (we already have some NetBSD boxes). FreeBSD
> offers big-lock SMP, which I suspect won't help anyway. Another alternative
> is Solaris/x86 if multiple CPUs are really useful in this context.
What CPU and network interfaces do you have ? I believe that on the average
hardware the bottleneck will still be CPU with a buch of stripped SCSI disks
and a gigabit interface :)
Manuel Bouyer <email@example.com>