From: "Peter Stahlir" <peter.stahlir@googlemail.com>
To: "Nicolas Pitre" <nico@cam.org>
Cc: "Johannes Schindelin" <Johannes.Schindelin@gmx.de>, git@vger.kernel.org
Subject: Re: Git as a filesystem
Date: Fri, 21 Sep 2007 15:35:39 +0200 [thread overview]
Message-ID: <fbe8b1780709210635l5803456aof3757418dc9653e7@mail.gmail.com> (raw)
In-Reply-To: <alpine.LFD.0.9999.0709210912120.32185@xanadu.home>
> > I wonder how big a deltified Debian mirror in one pack file would be. :)
>
> It would be just as big as the non gitified storage on disk.
>
> The space saving with git comes from efficient delta storage of
> _versioned_ files, i.e. multiple nearly identical versions of the same
> file where the stored delta is only the small difference between the
> first full version and subsequent versions. Unless you plan on storing
> many different Debian versions together, you won't benefit from any
> delta at all. And since Debian packages are already compressed, git
> won't be able to compress them further.
>
> So don't waste your time.
The 252GB stem from the fact that there are more than 10 architectures.
I guess the /usr/share/doc of all architectures could be deltified (as could
be all files that are architecture-independent)
Right?
next prev parent reply other threads:[~2007-09-21 13:35 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-21 10:51 Git as a filesystem Peter Stahlir
2007-09-21 11:11 ` Johannes Schindelin
2007-09-21 11:41 ` Peter Stahlir
2007-09-21 12:53 ` Karl Hasselström
2007-09-21 13:28 ` Peter Stahlir
2007-09-21 13:41 ` Michael Poole
2007-09-21 14:38 ` jlh
2007-09-21 17:29 ` Dmitry Potapov
2007-09-21 23:56 ` Martin Langhoff
2007-09-22 3:09 ` Sam Vilain
2007-09-21 13:22 ` Nicolas Pitre
2007-09-21 13:35 ` Peter Stahlir [this message]
2007-09-21 13:45 ` Nicolas Pitre
2007-09-21 15:46 ` Christian von Kietzell
2007-09-21 23:33 ` Eric Wong
2007-09-21 23:42 ` Johannes Schindelin
2007-09-22 2:06 ` Eric Wong
2007-09-22 12:06 ` Johannes Schindelin
2007-09-21 14:22 ` Miklos Vajna
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