From owner-freebsd-net@FreeBSD.ORG Thu May 20 01:58:48 2004 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1704D16A4CF for ; Thu, 20 May 2004 01:58:48 -0700 (PDT) Received: from chello080110061116.502.15.vie.surfer.at (chello080110061116.502.15.vie.surfer.at [80.110.61.116]) by mx1.FreeBSD.org (Postfix) with SMTP id 3D34143D1F for ; Thu, 20 May 2004 01:58:47 -0700 (PDT) (envelope-from 4711@chello.at) Received: (qmail 35724 invoked from network); 20 May 2004 08:58:34 -0000 Received: from matrix010.matrix.net (192.168.123.10) by ns.matrix.net with SMTP; 20 May 2004 08:58:34 -0000 From: Christian Hiris <4711@chello.at> To: freebsd-questions@freebsd.org Date: Thu, 20 May 2004 10:58:23 +0200 User-Agent: KMail/1.6.2 References: <40ABD7C8.7050405@centtech.com> In-Reply-To: <40ABD7C8.7050405@centtech.com> MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/pgp-signature"; micalg=pgp-sha1; boundary="Boundary-02=_5MHrA4uYY/K2/Gd"; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200405201058.34008.4711@chello.at> cc: freebsd-net@freebsd.org cc: Eric Anderson Subject: Re: Max NFSD processes X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 20 May 2004 08:58:48 -0000 --Boundary-02=_5MHrA4uYY/K2/Gd Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Wednesday 19 May 2004 23:55, Eric Anderson wrote: > I have several heavily used NFS servers, currently running FreeBSD > 4.9-RELEASE. I'm getting jammed up with all my nfsd processes being > busy, so clients see slow connections to the server. I have the nfsd > starting with a count of 20, which is the max set in the nfsd.c file. > > Are there any risks I should be aware of before bumping up the max to > say 40, or even 50? > > What would it take to make this a sysctl adjustable value? > > Should the max be bumped higher by default nowdays? > > Thanks - any help/hints is appreciated. > > Eric About a year ago i observed strong nfs performance decrease when using =20 RLT8139A nics. Nfs transfers leaded into high system load, because of an=20 excessive high packet retransmission rate. Switching over to 3Com nics solv= ed=20 my problem. =20 regards=20 ch =2D-=20 Christian Hiris <4711@chello.at> | OpenPGP KeyID 0x941B6B0B=20 OpenPGP-Key at hkp://wwwkeys.eu.pgp.net and http://pgp.mit.edu --Boundary-02=_5MHrA4uYY/K2/Gd Content-Type: application/pgp-signature Content-Description: signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQBArHM5cyi/EZQbawsRAh/xAJ9lwlcQ0u/izMzUFKzGvt5jDDKt/gCgmyb4 fWs/RwjNutFHP1zj156Sv8w= =oOij -----END PGP SIGNATURE----- --Boundary-02=_5MHrA4uYY/K2/Gd--