From: Rogan Dawes <lists@dawes.za.net>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andy Parkins <andyparkins@gmail.com>, git@vger.kernel.org
Subject: Re: [PATCH 2/2] Add keyword unexpansion support to convert.c
Date: Tue, 17 Apr 2007 19:18:45 +0200 [thread overview]
Message-ID: <46250175.4020300@dawes.za.net> (raw)
In-Reply-To: <Pine.LNX.4.64.0704170829500.5473@woody.linux-foundation.org>
Linus Torvalds wrote:
>
> On Tue, 17 Apr 2007, Andy Parkins wrote:
>> Adding expansion is harder, as I have no clue which calls to make to find
>> even the most basic information about an object; but I thought I'd get
>> feedback before I expend that effort.
>
> Adding expansion is not just "harder". It's basically impossible to do
> with any kind of performance.
>
> Think "git checkout newbranch".
>
> And think what we do about files (and whole subdirectories!) that haven't
> even changed. And finally, think about how important that optimization is
> in an SCM like git that supports branches.
Well, if the only keyword we support is $BlobId:$, then if the
tree/object hasn't changed, then we still don't need to touch the object.
Not so?
Rogan
next prev parent reply other threads:[~2007-04-17 17:19 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-17 9:41 [PATCH 2/2] Add keyword unexpansion support to convert.c Andy Parkins
[not found] ` <200704171803.58940.an dyparkins@gmail.com>
2007-04-17 10:09 ` Junio C Hamano
2007-04-17 11:35 ` Andy Parkins
2007-04-17 15:53 ` Linus Torvalds
2007-04-17 17:03 ` Andy Parkins
2007-04-17 18:12 ` Linus Torvalds
2007-04-17 19:12 ` Andy Parkins
[not found] ` <alpine.LFD. 0.98.0704171530220.4504@xanadu.home>
2007-04-17 19:41 ` Nicolas Pitre
2007-04-17 19:45 ` David Lang
[not found] ` <alpin e.LFD.0.98.0704171624190.4504@xanadu.home>
2007-04-17 20:29 ` Nicolas Pitre
2007-04-17 20:05 ` David Lang
2007-04-17 21:16 ` Nicolas Pitre
[not found] ` <7vy7k qlj5r.fsf@assigned-by-dhcp.cox.net>
2007-04-17 20:53 ` David Lang
2007-04-17 21:52 ` Andy Parkins
2007-04-17 22:40 ` Junio C Hamano
2007-04-18 2:39 ` Nicolas Pitre
2007-04-18 5:04 ` Junio C Hamano
2007-04-18 14:56 ` Nicolas Pitre
2007-04-18 11:14 ` Johannes Schindelin
2007-04-18 15:10 ` Nicolas Pitre
2007-04-19 8:19 ` Johannes Schindelin
2007-04-21 0:42 ` David Lang
2007-04-21 1:54 ` Junio C Hamano
2007-04-21 2:06 ` Nicolas Pitre
2007-04-21 23:31 ` David Lang
2007-04-18 6:24 ` Rogan Dawes
2007-04-18 15:02 ` Linus Torvalds
2007-04-18 15:34 ` Nicolas Pitre
2007-04-18 15:38 ` Rogan Dawes
2007-04-18 15:59 ` Nicolas Pitre
2007-04-18 16:09 ` Rogan Dawes
2007-04-18 17:58 ` Alon Ziv
2007-04-17 19:54 ` Linus Torvalds
2007-04-17 20:46 ` Andy Parkins
2007-04-17 20:52 ` [PATCH] Add keyword collapse " Andy Parkins
2007-04-17 21:10 ` [PATCH 2/2] Add keyword unexpansion " Linus Torvalds
2007-04-17 21:13 ` Linus Torvalds
2007-04-18 11:11 ` Johannes Schindelin
2007-04-20 11:32 ` Nikolai Weibull
2007-04-17 21:18 ` Martin Langhoff
2007-04-17 21:24 ` Junio C Hamano
2007-04-20 0:30 ` Jakub Narebski
2007-04-21 0:47 ` David Lang
2007-04-17 15:46 ` Linus Torvalds
2007-04-17 10:41 ` Johannes Sixt
2007-04-17 15:32 ` Linus Torvalds
2007-04-17 17:10 ` Andy Parkins
2007-04-17 17:18 ` Rogan Dawes [this message]
2007-04-17 18:23 ` Linus Torvalds
2007-04-17 20:27 ` Rogan Dawes
2007-04-17 23:56 ` Robin H. Johnson
2007-04-18 0:02 ` Junio C Hamano
2007-04-18 0:26 ` J. Bruce Fields
2007-04-18 1:19 ` Linus Torvalds
2007-04-18 1:28 ` Junio C Hamano
2007-04-18 1:33 ` Linus Torvalds
2007-04-18 1:06 ` Robin H. Johnson
2007-04-18 1:15 ` Junio C Hamano
2007-04-18 1:42 ` Junio C Hamano
2007-04-18 2:53 ` Robin H. Johnson
2007-04-18 4:15 ` Daniel Barkalow
2007-04-18 11:32 ` Johannes Schindelin
2007-04-18 2:50 ` Martin Langhoff
2007-04-18 10:06 ` David Kågedal
2007-04-18 11:08 ` Robin H. Johnson
2007-04-17 21:00 ` Matthieu Moy
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