From owner-freebsd-current@FreeBSD.ORG Wed Apr 20 14:04:11 2005 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 62FC816A4CE; Wed, 20 Apr 2005 14:04:11 +0000 (GMT) Received: from mailhost.stack.nl (vaak.stack.nl [131.155.140.140]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1140C43D60; Wed, 20 Apr 2005 14:04:10 +0000 (GMT) (envelope-from marcolz@stack.nl) Received: from hammer.stack.nl (hammer.stack.nl [IPv6:2001:610:1108:5010::153]) by mailhost.stack.nl (Postfix) with ESMTP id D0AD61F1C0; Wed, 20 Apr 2005 16:04:09 +0200 (CEST) Received: by hammer.stack.nl (Postfix, from userid 333) id B2543641C; Wed, 20 Apr 2005 16:04:09 +0200 (CEST) Date: Wed, 20 Apr 2005 16:04:09 +0200 From: Marc Olzheim To: Brian Fundakowski Feldman Message-ID: <20050420140409.GA77731@stack.nl> References: <20050418092550.GA97539@stack.nl> <20050418092752.GB97539@stack.nl> <20050418202213.GC1157@green.homeunix.org> <20050418203321.GA88774@stack.nl> <20050419133227.GA11612@stack.nl> <20050419151800.GE1157@green.homeunix.org> <20050419160258.GA12287@stack.nl> <20050419160900.GB12287@stack.nl> <20050419161616.GF1157@green.homeunix.org> <20050419204723.GG1157@green.homeunix.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="UlVJffcvxoiEqYs2" Content-Disposition: inline In-Reply-To: <20050419204723.GG1157@green.homeunix.org> X-Operating-System: FreeBSD hammer.stack.nl 5.4-STABLE FreeBSD 5.4-STABLE X-URL: http://www.stack.nl/~marcolz/ User-Agent: Mutt/1.5.9i cc: Marc Olzheim cc: freebsd-hackers@freebsd.org cc: freebsd-current@freebsd.org Subject: Re: NFS client/buffer cache deadlock X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Apr 2005 14:04:11 -0000 --UlVJffcvxoiEqYs2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Apr 19, 2005 at 04:47:23PM -0400, Brian Fundakowski Feldman wrote: > This compiles. It does and it seems to work. The NFS performance drops considerably though, from 8/9 MByte/s to 3/4 on sequential reads for instance. kern/79208 is fixed by this indeed, in that I get short writes (in case of my test server at 1802240+ bytes, so './writev 2 foo' fails... Marc --UlVJffcvxoiEqYs2 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQFCZmFZezjnobFOgrERArNtAKC4NvqjLns4i6/ze5g2mtoefl0byQCfZ9Ih a6KDrtrCOjFgVqA/1g5SFC8= =m8tu -----END PGP SIGNATURE----- --UlVJffcvxoiEqYs2--