From owner-freebsd-questions@FreeBSD.ORG Thu Sep 8 17:18:38 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A6FFF16A41F for ; Thu, 8 Sep 2005 17:18:38 +0000 (GMT) (envelope-from parv@pair.com) Received: from mta11.adelphia.net (mta11.adelphia.net [68.168.78.205]) by mx1.FreeBSD.org (Postfix) with ESMTP id 72FBD43D5E for ; Thu, 8 Sep 2005 17:18:37 +0000 (GMT) (envelope-from parv@pair.com) Received: from default.chvlva.adelphia.net ([69.160.76.67]) by mta11.adelphia.net (InterMail vM.6.01.04.01 201-2131-118-101-20041129) with ESMTP id <20050908171836.YBYH27017.mta11.adelphia.net@default.chvlva.adelphia.net>; Thu, 8 Sep 2005 13:18:36 -0400 Received: by default.chvlva.adelphia.net (Postfix, from userid 1000) id 082A6B595; Thu, 8 Sep 2005 13:18:36 -0400 (EDT) Date: Thu, 8 Sep 2005 13:18:35 -0400 From: Parv To: "Gary W. Swearingen" Message-ID: <20050908171835.GC14196@holestein.holy.cow> Mail-Followup-To: "Gary W. Swearingen" , freebsd-questions@freebsd.org References: <200509081521.j88FL8N3085702@aristotle.tamu.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Cc: freebsd-questions@freebsd.org Subject: Re: tarring a dump. Problems with a pipe X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 08 Sep 2005 17:18:38 -0000 in message , wrote Gary W. Swearingen thusly... > > I compressed a filesystem dump (on Athlon 64/3200+, i386 OS) and > > bzip2 compressed to 50% of 2 GB in 1118 sec > gzip compressed to 52% of 2 GB in 306 sec > > But bzip2 can compress much better than that on some stuff. > > If your goal is a small backup, bzip compresses better. > If your goal is a quick backup to disk, gzip is faster. > If your goal is a quick backup to tape, bzip is faster > because tape is so slow, unless your CPU can't keep up. In this context, by "bzip" did you actually meant "bzip2"? (There is a archivers/bzip port.) - Parv --