From owner-freebsd-hackers Thu Feb 22 12:22:20 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id MAA14973 for hackers-outgoing; Thu, 22 Feb 1996 12:22:20 -0800 (PST) Received: from irz301.inf.tu-dresden.de (irz301.inf.tu-dresden.de [141.76.1.11]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id MAA14968 for ; Thu, 22 Feb 1996 12:22:14 -0800 (PST) Received: from sax.sax.de by irz301.inf.tu-dresden.de (8.6.12/8.6.12-s1) with ESMTP id VAA16405; Thu, 22 Feb 1996 21:21:59 +0100 Received: by sax.sax.de (8.6.11/8.6.12-s1) with UUCP id VAA05580; Thu, 22 Feb 1996 21:21:59 +0100 Received: (from j@localhost) by uriah.heep.sax.de (8.7.3/8.6.9) id VAA26185; Thu, 22 Feb 1996 21:04:26 +0100 (MET) From: J Wunsch Message-Id: <199602222004.VAA26185@uriah.heep.sax.de> Subject: Re: Linux/FreeBSD NFS performance. To: freebsd-hackers@freebsd.org (FreeBSD hackers) Date: Thu, 22 Feb 1996 21:04:26 +0100 (MET) Cc: dutchman@spase.nl (Kees Jan Koster) Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) In-Reply-To: <199602221345.OAA00338@deimos.spase.nl> from "Kees Jan Koster" at Feb 22, 96 02:45:03 pm X-Phone: +49-351-2012 669 X-Mailer: ELM [version 2.4 PL24 ME8a] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@freebsd.org Precedence: bulk As Kees Jan Koster wrote: > copying very_big_file (20.175.259 bytes) to and from NFS server spase5 (hp9000) > machine -> server server -> machine > phobos (pentium 90, FreeBSD): 107 s 188.6 kb/s 32 s 630.5 kb/s > neptunus (sparc, SunOS): 120 s 168.1 kb/s 20 s 1008.8 kb/s > > Hhmmm. Why can't FreeBSD match the read performence of the sun? ;) Because your FreeBSD machine has a poor network card (or poor FreeBSD driver)? I've tested it with a ~ 20 MB file mounting localhost. I've got 14 seconds reading the file, ~ 1458 KB/s. This is on a not-so-fast 486/33. Since i know that it's possible to saturate an ethernet with FreeBSD (network data rate > 1 MB/s), i suspect your ethernet card is the bottleneck. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)