From owner-freebsd-hackers@FreeBSD.ORG  Sat Jun  3 01:40:44 2006
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
X-Original-To: freebsd-hackers@freebsd.org
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 7608A16A469
	for <freebsd-hackers@freebsd.org>; Sat,  3 Jun 2006 01:40:44 +0000 (UTC)
	(envelope-from zbeeble@gmail.com)
Received: from nf-out-0910.google.com (nf-out-0910.google.com [64.233.182.184])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 4023543D58
	for <freebsd-hackers@freebsd.org>; Sat,  3 Jun 2006 01:40:38 +0000 (GMT)
	(envelope-from zbeeble@gmail.com)
Received: by nf-out-0910.google.com with SMTP id l37so1225171nfc
	for <freebsd-hackers@freebsd.org>; Fri, 02 Jun 2006 18:40:37 -0700 (PDT)
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com;
	h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:references;
	b=CNb5UDEtR9C4axp5k9Vr6X4igZkJaEHtPzEDApMTuIXIRIm7wOJovDK0OENJ+JIQak3Vo3/UQ42HGNcdv8PV4muJ4+mUUgrUb04lHBFIN9K90TMzRhm7fzn4xEDCKMG2Bmi7VKIioFJIxLAFDq/uHj4p5WIwYvFwSkqM4FDggec=
Received: by 10.48.242.14 with SMTP id p14mr535173nfh;
	Wed, 31 May 2006 09:53:51 -0700 (PDT)
Received: by 10.67.25.10 with HTTP; Wed, 31 May 2006 09:53:51 -0700 (PDT)
Message-ID: <5f67a8c40605310953h27bf170oa474200cd4b93c03@mail.gmail.com>
Date: Wed, 31 May 2006 12:53:51 -0400
From: "Zaphod Beeblebrox" <zbeeble@gmail.com>
To: "Eugene M. Kim" <freebsd.org@ab.ote.we.lv>
In-Reply-To: <447DBA44.1060605@ab.ote.we.lv>
MIME-Version: 1.0
References: <447DB0B1.8040206@ab.ote.we.lv>
	<20060531153029.GE6982@dan.emsphone.com>
	<447DBA44.1060605@ab.ote.we.lv>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
X-Content-Filtered-By: Mailman/MimeDel 2.1.5
Cc: freebsd-hackers@freebsd.org, Dan Nelson <dnelson@allantgroup.com>
Subject: Re: dump(8) performance
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 03 Jun 2006 01:40:48 -0000

On 5/31/06, Eugene M. Kim <freebsd.org@ab.ote.we.lv> wrote:
>
> Dan Nelson wrote:
> > Are you using the -C option to dump?  I would expact that to help more
> > in the "dumping directories" step, but it might help later phases too.
>
> Yep, -C32.


I'm a pretty big fan of using team (ports/misc/team).  Team implements a
ring buffer for the output of dump.  Is the -C argument an output buffer or
a buffer at some other level of the process?