NFS file server performance

[Trent Piepho]

On Mon, 26 Mar 2001, Dan Yocum wrote:
> I can't comment on NFFv3 performance since I haven't done any tests, but
> I would be very interested in seeing what it is between various setups
> Linux <-> Sun, Linux <-> IRIX, Linux <-> Linux (hint, hint).

This is Linux <-> Linux, 2.2.18, 2 channel 100MB ethernet.  This disk is a
raid5 array on a mylex extremeraid 2000.  Unfortunately, neither machine was
idle during the tests, but that effected the "per char" tests mostly.  I'm not
sure how to check what nfs version is getting used, but I don't think it's
NFSv3.

              -------Sequential Output-------- ---Sequential Input-- --Random--
              -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
Machine    MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU  /sec %CPU
NFS      1024 10591 79.8 13400 16.2  5613 13.4  9629 83.1 17727 33.2 554.0  9.6
Local    1024  9488 91.0 17369 16.4  9995 19.0  9214 78.9 51125 27.7 675.7  6.4