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From: "Shawn O. Pearce" <spearce@spearce.org>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Chris Lee <chris133@gmail.com>, Junio C Hamano <junkio@cox.net>,
	Sasha Khapyorsky <sashak@voltaire.com>,
	Git Mailing List <git@vger.kernel.org>
Subject: Re: git-svnimport failed and now git-repack hates me
Date: Wed, 3 Jan 2007 21:35:11 -0500	[thread overview]
Message-ID: <20070104023510.GC18206@spearce.org> (raw)
In-Reply-To: <20070104020652.GB18206@spearce.org>

"Shawn O. Pearce" <spearce@spearce.org> wrote:
> Linus Torvalds <torvalds@osdl.org> wrote:
> > Junio - I suspect "pack-check.c" really shouldn't try to do it as one 
> > single humungous "SHA1_Update()" call. It showed one bug on PPC, I 
> > wouldn't be surprised if it's implicated now on some other architecture. 
> 
> It used to do it as one big SHA1_Update() call...
>  
> > Shawn - does the pack-file-windowing thing already change that? I'm too 
> > lazy to check..
> 
> But with the mmap window thing in `next` it does it in window
> units only.  Which the user could configure to be huge, or could
> configure to be sane.  The default when using mmap() is 32 MiB;
> 1 MiB when using pread() and git_mmap().

I should also point out that my git-fastimport hack that we used
on the huge Mozilla import may be helpful here.  Its _very_ fast
as it goes right to a pack file, but there's no SVN frontend for
it at this time.

-- 
Shawn.

  reply	other threads:[~2007-01-04  2:35 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-03 23:52 git-svnimport failed and now git-repack hates me Chris Lee
2007-01-04  1:59 ` Linus Torvalds
2007-01-04  2:06   ` Shawn O. Pearce
2007-01-04  2:35     ` Shawn O. Pearce [this message]
2007-01-04  2:36       ` Chris Lee
2007-01-04  2:45         ` Shawn O. Pearce
2007-01-04  2:53           ` Chris Lee
2007-01-04  2:57             ` Shawn O. Pearce
2007-01-04  2:58               ` Chris Lee
2007-01-04  3:05                 ` Shawn O. Pearce
2007-01-04  3:06                 ` Chris Lee
2007-01-04  2:16   ` Chris Lee
2007-01-04 17:56     ` Chris Lee
2007-01-04 18:30       ` Linus Torvalds
2007-01-04 18:54         ` Chris Lee
2007-01-04  2:33   ` Eric Wong
2007-01-04  2:40     ` Randal L. Schwartz
2007-01-04  3:13       ` Eric Wong
2007-01-05  2:09     ` [PATCH] git-svn: make --repack work consistently between fetch and multi-fetch Eric Wong
2007-01-04  6:25   ` git-svnimport failed and now git-repack hates me Junio C Hamano
2007-01-04  7:26     ` [PATCH] pack-check.c::verify_packfile(): don't run SHA-1 update on huge data Junio C Hamano
2007-01-04 17:58     ` git-svnimport failed and now git-repack hates me Chris Lee
2007-01-04 20:22       ` Junio C Hamano
2007-01-05 17:19         ` Chris Lee
2007-01-05 19:05           ` Junio C Hamano
2007-01-05 19:33             ` Chris Lee
2007-01-05 19:39               ` Shawn O. Pearce
2007-01-05 20:48                 ` Chris Lee
2007-01-05 21:37                 ` Junio C Hamano
2007-01-05 21:57                   ` Linus Torvalds
2007-01-05 22:18                     ` alan
2007-01-07  0:36                       ` Eric Wong
2007-01-05 22:39                     ` Linus Torvalds
2007-01-05 22:48                       ` Junio C Hamano
2007-01-05 23:00                         ` Linus Torvalds
2007-01-05 23:02                           ` Linus Torvalds
2007-01-05 23:44                           ` Junio C Hamano
2007-01-05 23:59                             ` Linus Torvalds
2007-01-06  0:06                             ` Johannes Schindelin
2007-01-05 23:03                   ` Chris Lee
2007-01-05 23:09                     ` Junio C Hamano
2007-01-05 23:17                       ` Linus Torvalds
2007-01-05 23:58                         ` Junio C Hamano
2007-01-06  0:11                           ` Linus Torvalds
2007-01-06  0:15                             ` Linus Torvalds
2007-01-06  0:23                               ` Junio C Hamano
2007-01-06  1:22                                 ` Linus Torvalds
2007-01-04 19:24   ` Chris Lee
2007-01-04 21:12     ` Linus Torvalds
2007-01-04 21:31   ` Sasha Khapyorsky
2007-01-04 22:04     ` Chris Lee
2007-01-07  0:17       ` [PATCH] git-svnimport: support for incremental import Sasha Khapyorsky
2007-01-07 18:12         ` Chris Lee
2007-01-07 18:59           ` Sasha Khapyorsky
2007-01-08  2:22             ` [PATCH] git-svnimport: fix edge revisions double importing Sasha Khapyorsky

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