From owner-freebsd-questions@FreeBSD.ORG Wed May 10 15:42:58 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C005316A528 for ; Wed, 10 May 2006 15:42:58 +0000 (UTC) (envelope-from kris@obsecurity.org) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0484643D90 for ; Wed, 10 May 2006 15:42:58 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from obsecurity.dyndns.org (elvis.mu.org [192.203.228.196]) by elvis.mu.org (Postfix) with ESMTP id DBC051A4DD6; Wed, 10 May 2006 08:42:57 -0700 (PDT) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 451E551601; Wed, 10 May 2006 11:42:57 -0400 (EDT) Date: Wed, 10 May 2006 11:42:57 -0400 From: Kris Kennaway To: Valerio daelli Message-ID: <20060510154256.GA30539@xor.obsecurity.org> References: <27dbfc8c0605100554v377be7ffpb19a5163349c7f17@mail.gmail.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="huq684BweRXVnRxX" Content-Disposition: inline In-Reply-To: <27dbfc8c0605100554v377be7ffpb19a5163349c7f17@mail.gmail.com> User-Agent: Mutt/1.4.2.1i Cc: freebsd-questions@freebsd.org Subject: Re: Question on NFS performance X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 May 2006 15:43:01 -0000 --huq684BweRXVnRxX Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, May 10, 2006 at 02:54:39PM +0200, Valerio daelli wrote: > Hi all > we have a FreeBSD 5.4 exporting some NFS filesystem to a cluster of gento= o=20 > boxes > (kernel 2.6.12). > Our exported storage disk is an Apple XRaid. > We have Gigabit Ethernet both on the client and the server. > We would like to improve our read performance. > This is our performance: >=20 > about 10Mb reading a file of 1Gb with dd >=20 > and iozone confirms this result. > We already use the normal optimization flags (we use rpc.lockd and > rpc.statd, on the client we have > read size 65536 and a read ahead of 4 blocks, the async options). > Is our performance the best we can get? Can we improve it? "5.4" and "filesystem performance" cannot be said together in the same sentence. Upgrade to 6.1. Kris --huq684BweRXVnRxX Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (FreeBSD) iD8DBQFEYgoAWry0BWjoQKURAk6KAKCXlqghF4ABZzxJGCjfqpt6TQTSaACg8PYj r0ovR764kkxrkiQAi/aA6ZE= =H9Oy -----END PGP SIGNATURE----- --huq684BweRXVnRxX--