From: Linus Torvalds <torvalds@osdl.org>
To: Carl Baldwin <cnb@fc.hp.com>, Junio C Hamano <junkio@cox.net>
Cc: Git Mailing List <git@vger.kernel.org>
Subject: Re: Revisiting large binary files issue.
Date: Tue, 11 Jul 2006 10:09:48 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0607111004360.5623@g5.osdl.org> (raw)
In-Reply-To: <20060711145527.GA32468@hpsvcnb.fc.hp.com>
On Tue, 11 Jul 2006, Carl Baldwin wrote:
>
> I'd like to get my hands dirty and see for myself where the issue lies.
> I hope to have some time next week to devote to this. Is it reasonable
> to hope for a solution that is at least a lot lighter weight than the
> current status quo?
Ok, I decided to see how nasty an object database change would be.
It doesn't look too bad. The following three patches implement what looks
like a workable model.
NOTE NOTE NOTE! It makes the new "binary headers" the default, and that
will mean that unless you have applied the first two patches, any
repository that has had objects added with the new git version WILL NOT BE
READABLE BY AN OLDER GIT VERSION!
So I think that the first two patches can be added to the main git branch
pretty much immediately (after people have tested this all a _bit_ more,
of course), because the first two patches just add the capability to
_read_ a mixed-format repository.
The third patch is the one that actually starts _writing_ new-format repo.
It should be applied with extreme care, although it can basically be
de-fanged by setting the default initial value of the "use_binary_headers"
to 0, which will make it not write the binary headers by default.
I have _not_ verified that the actual object format is identical to the
pack-file one, but it should be. It's simple enough.
The three patches will be sent as replies to this email.
Linus
next prev parent reply other threads:[~2006-07-11 17:16 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-10 23:01 Revisiting large binary files issue Carl Baldwin
2006-07-10 23:14 ` Junio C Hamano
2006-07-11 6:20 ` Peter Baumann
2006-07-10 23:28 ` Linus Torvalds
2006-07-11 9:40 ` [RFC]: Pack-file object format for individual objects (Was: Revisiting large binary files issue.) sf
2006-07-11 18:00 ` Linus Torvalds
2006-07-11 21:45 ` sf
2006-07-11 22:17 ` Linus Torvalds
2006-07-11 22:26 ` Linus Torvalds
2006-07-11 14:55 ` Revisiting large binary files issue Carl Baldwin
2006-07-11 17:09 ` Linus Torvalds [this message]
2006-07-11 17:10 ` [PATCH 1/3] Make the unpacked object header functions static to sha1_file.c Linus Torvalds
2006-07-11 17:12 ` [PATCH 2/3] sha1_file: add the ability to parse objects in "pack file format" Linus Torvalds
2006-07-11 18:40 ` Johannes Schindelin
2006-07-11 18:58 ` Linus Torvalds
2006-07-11 19:20 ` Johannes Schindelin
2006-07-11 19:48 ` Linus Torvalds
2006-07-11 21:25 ` Johannes Schindelin
2006-07-11 21:47 ` Junio C Hamano
2006-07-11 21:24 ` sf
2006-07-11 22:09 ` Linus Torvalds
2006-07-11 22:25 ` sf
2006-07-11 23:03 ` Junio C Hamano
2006-07-12 0:03 ` Linus Torvalds
2006-07-12 0:39 ` Johannes Schindelin
2006-07-12 3:45 ` Linus Torvalds
2006-07-12 4:31 ` Linus Torvalds
2006-07-12 6:35 ` Junio C Hamano
2006-07-12 16:29 ` Linus Torvalds
2006-07-12 0:46 ` Junio C Hamano
2006-07-12 3:42 ` Linus Torvalds
2006-07-12 6:49 ` Peter Baumann
2006-07-12 7:16 ` Junio C Hamano
2006-07-12 8:28 ` Peter Baumann
2006-07-12 15:13 ` Linus Torvalds
2006-07-12 15:27 ` Junio C Hamano
2006-07-11 17:16 ` [PATCH 3/3] Enable the new binary header format for unpacked objects Linus Torvalds
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