From owner-freebsd-stable@FreeBSD.ORG Fri Jan 8 23:08:24 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BE29A1065670 for ; Fri, 8 Jan 2010 23:08:24 +0000 (UTC) (envelope-from jdc@koitsu.dyndns.org) Received: from qmta14.westchester.pa.mail.comcast.net (qmta14.westchester.pa.mail.comcast.net [76.96.59.212]) by mx1.freebsd.org (Postfix) with ESMTP id 685308FC0A for ; Fri, 8 Jan 2010 23:08:24 +0000 (UTC) Received: from omta07.westchester.pa.mail.comcast.net ([76.96.62.59]) by qmta14.westchester.pa.mail.comcast.net with comcast id T09U1d0011GhbT85EB8QSo; Fri, 08 Jan 2010 23:08:24 +0000 Received: from koitsu.dyndns.org ([98.248.46.159]) by omta07.westchester.pa.mail.comcast.net with comcast id TB8P1d00K3S48mS3TB8QSp; Fri, 08 Jan 2010 23:08:24 +0000 Received: by icarus.home.lan (Postfix, from userid 1000) id 861521E301C; Fri, 8 Jan 2010 15:08:22 -0800 (PST) Date: Fri, 8 Jan 2010 15:08:22 -0800 From: Jeremy Chadwick To: freebsd-stable@freebsd.org Message-ID: <20100108230822.GA9254@icarus.home.lan> References: <7346c5c61001030842r7dc76199y51e4c1c90a3eea6e@mail.gmail.com> <7346c5c61001080831w375d158fu5b1996ee58cb0f8d@mail.gmail.com> <20100108230506.GA7501@icarus.home.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100108230506.GA7501@icarus.home.lan> User-Agent: Mutt/1.5.20 (2009-06-14) Subject: Re: ZFS performance degradation over time X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Jan 2010 23:08:24 -0000 On Fri, Jan 08, 2010 at 03:05:06PM -0800, Jeremy Chadwick wrote: > ... You can also explicitly enable prefetch by setting the > value to "1", and this trumps the how-much-usable-RAM check. This should have read 'setting the value to "0"'; sorry. -- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |