From owner-svn-src-all@FreeBSD.ORG Wed Jul 21 09:44:21 2010 Return-Path: Delivered-To: svn-src-all@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9BC471065677; Wed, 21 Jul 2010 09:44:21 +0000 (UTC) (envelope-from brde@optusnet.com.au) Received: from mail08.syd.optusnet.com.au (mail08.syd.optusnet.com.au [211.29.132.189]) by mx1.freebsd.org (Postfix) with ESMTP id 2BD8B8FC21; Wed, 21 Jul 2010 09:44:20 +0000 (UTC) Received: from c122-106-145-25.carlnfd1.nsw.optusnet.com.au (c122-106-145-25.carlnfd1.nsw.optusnet.com.au [122.106.145.25]) by mail08.syd.optusnet.com.au (8.13.1/8.13.1) with ESMTP id o6L9iHBW015493 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 21 Jul 2010 19:44:18 +1000 Date: Wed, 21 Jul 2010 19:44:17 +1000 (EST) From: Bruce Evans X-X-Sender: bde@delplex.bde.org To: Ivan Voras In-Reply-To: Message-ID: <20100721193900.L7531@delplex.bde.org> References: <201007181015.o6IAFXvK018739@svn.freebsd.org> <201007190829.21995.jhb@freebsd.org> <20100721134319.E7228@delplex.bde.org> MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="0-1262108218-1279705457=:7531" Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org, John Baldwin , Bruce Evans Subject: Re: svn commit: r210217 - head/sys/kern X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Jul 2010 09:44:21 -0000 This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --0-1262108218-1279705457=:7531 Content-Type: TEXT/PLAIN; charset=X-UNKNOWN; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE On Wed, 21 Jul 2010, Ivan Voras wrote: > On 21 July 2010 06:18, Bruce Evans wrote: >> On Mon, 19 Jul 2010, John Baldwin wrote: >> >>>> Log: >>>> =C2=A0In keeping with the Age-of-the-fruitbat theme, scale up hirunnin= gspace >>>> on >>>> =C2=A0machines which can clearly afford the memory. >>>> >>>> =C2=A0This is a somewhat conservative version of the patch - more fine= tuning >>>> may be >>>> =C2=A0necessary. >>>> >>>> =C2=A0Idea from: Thread on hackers@ >>>> =C2=A0Discussed with: alc >> >> Sorry I didn't look at the thread, but I wonder if you should increase >> lorunningspace similarly. > > The previous ratio of lorunningspace to hirunningspace was 1/2 - is > this still a good target? I don't know if the ratio is more important than difference. Maybe neither is very important once the difference is not very small. > It does seem like there would be more benefitial to hang these > variables per mount-point or something similar but I'm content that > they are tunable and that the new values help high-end machines, > probably in cooperation with tagged (NCQ-like) IO. So the high end machine owners are less capable of tuning? :-) This might be the case even if they also have higher end money and support, since the higher end is bleeding edge. Bruce --0-1262108218-1279705457=:7531--