From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists.gentoo.org ([140.105.134.102] helo=robin.gentoo.org) by nuthatch.gentoo.org with esmtp (Exim 4.43) id 1E3wFo-0004jM-Ih for garchives@archives.gentoo.org; Sat, 13 Aug 2005 13:40:52 +0000 Received: from robin.gentoo.org (localhost [127.0.0.1]) by robin.gentoo.org (8.13.4/8.13.4) with SMTP id j7DDdsoC027034; Sat, 13 Aug 2005 13:39:54 GMT Received: from rwcrmhc12.comcast.net (rwcrmhc12.comcast.net [216.148.227.85]) by robin.gentoo.org (8.13.4/8.13.4) with ESMTP id j7DDaII2001403 for ; Sat, 13 Aug 2005 13:36:19 GMT Received: from spinner (pcp09717955pcs.brlngt01.nj.comcast.net[68.37.116.95]) by comcast.net (rwcrmhc12) with ESMTP id <20050813133625014009ob6te>; Sat, 13 Aug 2005 13:36:25 +0000 From: Jerry McBride Organization: TEAM GENTOO To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Compression tools Compared Date: Sat, 13 Aug 2005 09:36:27 -0400 User-Agent: KMail/1.8.2 References: <200508130058.19730.mcbrides9@comcast.net> <1123911127.28841.10.camel@sf.rout.dyndns.org> In-Reply-To: <1123911127.28841.10.camel@sf.rout.dyndns.org> X-face: ")H](I{2RQe^;Y`F|S%C`m/b{~>to5dS|({F]j9Y7VYrP#/kSknN[4n\nd6g|ElXC$Dz+mz 4ftmNi*},Ep)K@CQsZp#31x()Y!}=XL47(t?HvyN@I-|?Hz$Io_( @>:#Dnr#*f6]N$(YHS7i)V=Xi&9n0&Dd]=SOQV?qc3Fp_\jZKG\$4@R?M}'mjqjgNa|mI~h"G1C`p{ sO3{Y/\~I Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200508130936.27982.mcbrides9@comcast.net> X-Archives-Salt: bca37159-38c1-4aee-aa35-fde252110eb9 X-Archives-Hash: b8d2fdeff890e33f722e3917375abfba On Saturday 13 August 2005 01:32 am, Nick Rout wrote: > On Sat, 2005-08-13 at 00:58 -0400, Jerry McBride wrote: > > Anyone else here subscribe to the LINUX JOURNAL? > > > > In the September issue there's a neat article titled tha same as the > > subject line of this message. > > > > The skinny is, there's some really nice file compressors out there and I > > never heard of two of them... Anyone else know about LZMA or 7ZA? > > > > The two mentioned compression tools work pretty much like gzip. You tar > > up your files, pipe to the compression filter and then on to the target > > file. Below is a small example of what I've been seeing here at the > > shack. > > > > -rw-r--r-- 1 root root 12359680 Aug 12 23:57 backup.tar > > -rw-r--r-- 1 root root 3536665 Aug 13 00:01 backup.tar.7z > > -rw-r--r-- 1 root root 4438465 Aug 13 00:08 backup.tar.bz2 > > -rw-r--r-- 1 root root 4747637 Aug 13 00:03 backup.tar.gz > > -rw-r--r-- 1 root root 2731412 Aug 13 00:10 backup.tar.lzma > > -rw-r--r-- 1 root root 5125474 Aug 13 00:16 backup.tar.lzop > > > > What you're seeing are the results of compressing /lib on my gentoo > > powered laptop. I've not bothered with timing the processes as the better > > compression rates are at the cost of speed and memory usage. Not good for > > "while you wait" processing, but just plain perfect for backups and > > what-have-you on servers... One side note, 7za does not record user/group > > info... > > Are you saying it removes user/group info from the tar file? > Not "removed", it's never put there... :') -- ****************************************************************************** Registered Linux User Number 185956 FSF Associate Member number 2340 since 05/20/2004 Join me in chat at #linux-users on irc.freenode.net Buy an Xbox for $149.00, run linux on it and Microsoft loses $150.00! 9:42am up 26 days, 9:41, 1 user, load average: 0.00, 0.00, 0.00 -- gentoo-user@gentoo.org mailing list