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From: Petr Baudis <pasky@ucw.cz>
To: Christopher Li <git@chrisli.org>
Cc: Junio C Hamano <junkio@cox.net>,
	Linus Torvalds <torvalds@osdl.org>,
	git@vger.kernel.org
Subject: Re: CAREFUL! No more delta object support!
Date: Tue, 28 Jun 2005 16:52:56 +0200	[thread overview]
Message-ID: <20050628145256.GA1275@pasky.ji.cz> (raw)
In-Reply-To: <20050628110625.GC21533@64m.dyndns.org>

Dear diary, on Tue, Jun 28, 2005 at 01:06:25PM CEST, I got a letter
where Christopher Li <git@chrisli.org> told me that...
> On Tue, Jun 28, 2005 at 02:40:56AM -0700, Junio C Hamano wrote:
> > >>>>> "LT" == Linus Torvalds <torvalds@osdl.org> writes:
> > Still a good space reduction.  Good job!
> > 
> > I am now dreaming if we someday would enhance the mechanism with
> > append-only updates to the *.pack files with complete rewrite of
> > the *.idx files, and get rid of files under .git/objects totally.
> 
> No offense my friend, this has been done. It's name is mercurial.
> 
> > This would make things reasonably friendly to rsync.  The kernel
> > pack has around 60M pack with 1.1M index, so everyday use would
> > involve incremental updates to the pack [*1*] and full download
> > of the index file.
> 
> It still have other open issue. Now it would be harder to not sync
> all the heads. If I just want the clean Linus-2.6 tree, I have to
> dig it out from the pack file which mixing with other heads. 
> 
> You could host different projects with it's own pack file. That
> will lost the space saving on co-hosting projects.
> 
> So I am not convince rsync is the way to go in long run. You need
> to have your own network syncing method.

I think the git-*-pull tools are actually just fine. You will only need
to have some server-side CGI gadget to frontend the file, but we need
that anyway to make the pull reasonably effective.

-- 
				Petr "Pasky" Baudis
Stuff: http://pasky.or.cz/
<Espy> be careful, some twit might quote you out of context..

  reply	other threads:[~2005-06-28 14:46 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-28  1:14 CAREFUL! No more delta object support! Linus Torvalds
2005-06-27 23:58 ` Christopher Li
2005-06-28  3:30   ` Linus Torvalds
2005-06-28  9:40     ` Junio C Hamano
2005-06-28 11:06       ` Christopher Li
2005-06-28 14:52         ` Petr Baudis [this message]
2005-06-28 16:35           ` Benjamin LaHaise
2005-06-28 20:30             ` Petr Baudis
2005-06-28 14:46       ` Jan Harkes
2005-06-28 10:38     ` Christopher Li
2005-06-28 16:45       ` Linus Torvalds
2005-06-29  0:49         ` [PATCH] Emit base objects of a delta chain when the delta is output Junio C Hamano
2005-06-28  2:01 ` CAREFUL! No more delta object support! Junio C Hamano
2005-06-28  2:03   ` [PATCH] Skip writing out sha1 files for objects in packed git Junio C Hamano
2005-06-28  2:43     ` Linus Torvalds
2005-06-28  3:33       ` Junio C Hamano
2005-06-28 15:45         ` Linus Torvalds
2005-06-28  2:13   ` CAREFUL! No more delta object support! Linus Torvalds
2005-06-28  2:32     ` Junio C Hamano
2005-06-28  2:37       ` [PATCH] Adjust to git-init-db creating $GIT_OBJECT_DIRECTORY/pack Junio C Hamano
2005-06-28  2:48       ` CAREFUL! No more delta object support! Linus Torvalds
2005-06-28  5:09     ` Daniel Barkalow
2005-06-28 15:49       ` Linus Torvalds
2005-06-28 16:21         ` Linus Torvalds
2005-06-28 17:04           ` Daniel Barkalow
2005-06-28 17:36             ` Linus Torvalds
2005-06-28 18:17               ` Linus Torvalds
2005-06-28 19:49                 ` Matthias Urlichs
2005-06-28 20:18                   ` Matthias Urlichs
2005-06-28 20:01                 ` Daniel Barkalow
2005-06-29  3:53                 ` Linus Torvalds
2005-06-29 18:59     ` Linus Torvalds
2005-06-29 21:05       ` Daniel Barkalow
2005-06-29 21:38         ` Linus Torvalds
2005-06-29 22:24           ` Daniel Barkalow
2005-06-28  8:49 ` [PATCH] Adjust fsck-cache to packed GIT and alternate object pool Junio C Hamano
2005-06-28 21:56   ` [PATCH] Expose packed_git and alt_odb Junio C Hamano
2005-06-28 21:58   ` [PATCH 3/3] Update fsck-cache (take 2) Junio C Hamano

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