From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sam Vilain <sam@vilain.net>
Subject: Re: Decompression speed: zip vs lzo
Date: Fri, 11 Jan 2008 11:28:52 +1300
Message-ID: <47869C24.3000400@vilain.net>
References: <e5bfff550801091401y753ea883p8d08b01f2b391147@mail.gmail.com> <7v4pdmfw27.fsf@gitster.siamese.dyndns.org> <47855765.9090001@vilain.net> <alpine.LSU.1.00.0801092328580.31053@racer.site> <47856E8D.4010006@vilain.net> <4785A6DB.3080007@vilain.net> <20080110091607.GA17944@artemis.madism.org> <alpine.LFD.1.00.0801101332150.3054@xanadu.home> <alpine.LFD.1.00.0801101252030.3148@woody.linux-foundation.org> <478691EB.1080704@vilain.net> <alpine.LFD.1.00.0801101400550.3148@woody.linux-foundation.org>
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Cc: Nicolas Pitre <nico@cam.org>,
	Pierre Habouzit <madcoder@debian.org>,
	Git Mailing List <git@vger.kernel.org>,
	Johannes Schindelin <Johannes.Schindelin@gmx.de>,
	Marco Costalba <mcostalba@gmail.com>,
	Junio C Hamano <gitster@pobox.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds wrote:
>> wilber:~/src/perl-preview$ du -sk .git
>> 73274   .git
>> wilber:~/src/perl-preview$ git-repack -a
>> Counting objects: 244360, done.
>> Compressing objects: 100% (55493/55493), done.
>> Writing objects: 100% (244360/244360), done.
>> Total 244360 (delta 181061), reused 244360 (delta 181061)
>> wilber:~/src/perl-preview$ du -sk .git/objects/pack/
>> 75389   .git/objects/pack/
> 
> Hmm. I'm not sure I understand what this was supposed to show?
> 
> You reused all the old deltas, and you did "du -sk" on two different 
> things before/after (and didn't do a "-a -d" to repack the old pack 
> either). So does the result actually have anything to do with any 
> compression algorithm?
> 
> Use "-a -d -f" to repack a whole archive.

Drat, guess that means I'll have to recompute the deltas - I was trying
to avoid that.

Ok, see you in an hour or two, hopefully sans bonehead mistakes this time :)

Sam.