From: Linus Torvalds <torvalds@osdl.org>
To: Shawn Pearce <spearce@spearce.org>
Cc: Theodore Tso <tytso@mit.edu>, Nicolas Pitre <nico@cam.org>,
"Randal L. Schwartz" <merlyn@stonehenge.com>,
git@vger.kernel.org
Subject: Re: cloning the kernel - why long time in "Resolving 313037 deltas"
Date: Mon, 18 Dec 2006 22:51:19 -0800 (PST) [thread overview]
Message-ID: <Pine.LNX.4.64.0612182248420.3479@woody.osdl.org> (raw)
In-Reply-To: <20061219063930.GA2511@spearce.org>
On Tue, 19 Dec 2006, Shawn Pearce wrote:
>
> Why isn't git-index-pack doing the same? Is there some hidden glitch
> in some OS somewhere that has a problem with overmapping a file and
> appending into it via write()? I've done that on Mac OS X, Linux,
> BSDi, Solaris... never had a problem.
It works on modern systems, but at least old HPUX versions had
non-coherent mmap() and write(), and POSIX does not guarantee it. And if
you ever want to port to Windows, I don't think you should do it.
Anyway, try the pread() version first, see if that fixes the OS X problem.
next prev parent reply other threads:[~2006-12-19 6:51 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <86y7p57y05.fsf@blue.stonehenge.com>
[not found] ` <Pine.LNX.4.63.0612182154170.19693@wbgn013.biozentrum.uni-wuerzburg.de>
[not found] ` <Pine.LNX.4.63.0612182213020.19693@wbgn013.biozentrum.uni-wuerzburg.de>
[not found] ` <Pine.LNX.4.64.0612181638220.18171@xanadu.home>
2006-12-18 21:55 ` [PATCH] fetch-pack: avoid fixing thin packs when unnecessary Johannes Schindelin
2006-12-18 22:17 ` Nicolas Pitre
[not found] ` <Pine.LNX.4.64.0612181251020.3479@woody.osdl.org>
[not found] ` <86r6uw9azn.fsf@blue.stonehenge.com>
[not found] ` <Pine.LNX.4.64.0612181625140.18171@xanadu.home>
2006-12-18 22:01 ` cloning the kernel - why long time in "Resolving 313037 deltas" Randal L. Schwartz
2006-12-18 22:09 ` Nicolas Pitre
2006-12-18 22:21 ` Randal L. Schwartz
2006-12-18 22:50 ` Nicolas Pitre
2006-12-18 22:22 ` Linus Torvalds
2006-12-18 22:26 ` Randal L. Schwartz
2006-12-18 23:02 ` Martin Langhoff
2006-12-22 1:44 ` Kyle Moffett
2006-12-22 1:56 ` Shawn Pearce
2006-12-22 8:04 ` Marco Roeland
2007-01-03 13:55 ` Andreas Ericsson
2006-12-18 23:28 ` Linus Torvalds
2006-12-19 0:13 ` Nicolas Pitre
2006-12-19 5:11 ` Theodore Tso
2006-12-19 6:39 ` Shawn Pearce
2006-12-19 6:51 ` Linus Torvalds [this message]
2006-12-19 7:26 ` Shawn Pearce
2006-12-19 7:52 ` Marco Roeland
2006-12-19 7:58 ` Shawn Pearce
2006-12-19 8:32 ` Shawn Pearce
2006-12-19 8:40 ` Marco Roeland
2006-12-19 8:49 ` Shawn Pearce
2006-12-19 9:13 ` Marco Roeland
2006-12-19 20:28 ` Alex Riesen
2006-12-21 20:35 ` Juergen Ruehle
2006-12-19 16:19 ` Theodore Tso
2006-12-19 16:57 ` Linus Torvalds
2006-12-20 1:54 ` Shawn Pearce
2006-12-20 1:58 ` Shawn Pearce
2006-12-19 6:47 ` Linus Torvalds
2006-12-19 8:32 ` Johannes Schindelin
2006-12-19 9:10 ` Junio C Hamano
2006-12-19 9:47 ` Jeff King
2006-12-19 10:24 ` Andy Whitcroft
2006-12-19 15:53 ` [PATCH] index-pack usage of mmap() is unacceptably slower on many OSes other than Linux Nicolas Pitre
2006-12-19 19:00 ` Junio C Hamano
2006-12-19 19:14 ` Nicolas Pitre
2006-12-19 19:55 ` Linus Torvalds
2006-12-19 19:57 ` Randal L. Schwartz
2006-12-19 20:03 ` Randal L. Schwartz
2006-12-19 20:02 ` Jeff Garzik
2006-12-20 0:30 ` Junio C Hamano
2006-12-20 0:40 ` Linus Torvalds
2006-12-20 0:50 ` Jeff Garzik
2006-12-20 1:12 ` Junio C Hamano
2006-12-20 20:17 ` Junio C Hamano
2006-12-20 20:53 ` Linus Torvalds
2006-12-20 21:52 ` Junio C Hamano
2006-12-20 22:13 ` Nikolai Weibull
2006-12-21 8:41 cloning the kernel - why long time in "Resolving 313037 deltas" linux
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