From: Jonathan Nieder <jrnieder@gmail.com>
To: Sverre Rabbelier <srabbelier@gmail.com>
Cc: git@vger.kernel.org, David Barr <david.barr@cordelta.com>,
Ramkumar Ramachandra <artagnon@gmail.com>,
Sam Vilain <sam@vilain.net>, Stephen Bash <bash@genarts.com>,
Tomas Carnecky <tom@dbservice.com>
Subject: Re: [PATCH v2 00/12] vcs-svn: incremental import
Date: Mon, 7 Mar 2011 15:23:30 -0600 [thread overview]
Message-ID: <20110307212330.GA15732@elie> (raw)
In-Reply-To: <AANLkTi=+ujWER5aeYzYW1pN-LOdM3Xa2J2bZhjkoeWvB@mail.gmail.com>
Sverre Rabbelier wrote:
> On Sun, Mar 6, 2011 at 23:54, Jonathan Nieder <jrnieder@gmail.com> wrote:
>> Patch 1 changes the mark numbers for blobs to be ridiculously high,
>> to make room for memorable commit marks (:1 for r1, :2 for r2, etc).
>
> How high is rediculously high?
2^30. Later in the series (vcs-svn: eliminate repo_tree structure)
the blob marks are eliminated altogether.
> "Marks are stored in a sparse array, using 1 pointer (4 bytes or 8
> bytes, depending on pointer size) per mark. Although the array is
> sparse, frontends are still strongly encouraged to use marks between 1
> and n, where n is the total number of marks required for this import."
I assume that is mostly meant to make it easier to write alternate
backends.
prev parent reply other threads:[~2011-03-07 21:23 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-10 10:20 [RFC/PATCH 00/10] vcs-svn: prepare for (implement?) incremental import Jonathan Nieder
2010-12-10 10:21 ` [PATCH 01/10] vcs-svn: use higher mark numbers for blobs Jonathan Nieder
2010-12-10 10:22 ` [PATCH 02/10] vcs-svn: save marks for imported commits Jonathan Nieder
2011-03-06 11:15 ` Jonathan Nieder
2010-12-10 10:23 ` [PATCH 03/10] vcs-svn: introduce cat_mark function to retrieve a marked blob Jonathan Nieder
2010-12-10 10:23 ` [PATCH 04/10] vcs-svn: make apply_delta caller retrieve preimage Jonathan Nieder
2010-12-10 10:25 ` [PATCH 05/10] vcs-svn: split off function to export result from delta application Jonathan Nieder
2010-12-10 10:26 ` [PATCH 06/10] vcs-svn: do not rely on marks for old blobs Jonathan Nieder
2010-12-10 10:27 ` [PATCH 07/10] vcs-svn: split off function to make 'ls' requests Jonathan Nieder
2010-12-10 10:28 ` [PATCH 08/10] vcs-svn: prepare to eliminate repo_tree structure Jonathan Nieder
2011-03-06 12:52 ` [PATCH v2] " Jonathan Nieder
2011-03-06 20:41 ` David Barr
2010-12-10 10:30 ` [PATCH 09/10] vcs-svn: simplifications for repo_modify_path et al Jonathan Nieder
2010-12-10 10:33 ` [PATCH 10/10] vcs-svn: eliminate repo_tree structure Jonathan Nieder
[not found] ` <C59168D0-B409-4A83-B96C-8CCD42D0B62F@cordelta.com>
[not found] ` <20101211184654.GA17464@burratino>
2010-12-11 22:47 ` [RFC/PATCH] fast-import: treat filemodify with empty tree as delete Jonathan Nieder
2010-12-11 23:00 ` [PATCH db/vcs-svn-incremental] vcs-svn: avoid git-isms in fast-import stream Jonathan Nieder
2010-12-11 23:04 ` [PATCH 12/10] vcs-svn: quote paths correctly for ls command David Michael Barr
2010-12-11 23:11 ` [PATCH db/vcs-svn-incremental] vcs-svn: quote all paths passed to fast-import Jonathan Nieder
2010-12-12 9:32 ` [PATCH 13/10] vcs-svn: use mark from previous import for parent commit David Michael Barr
2010-12-12 17:06 ` Jonathan Nieder
2011-03-06 22:54 ` [PATCH v2 00/12] vcs-svn: incremental import Jonathan Nieder
2011-03-06 23:03 ` [PATCH 01/12] vcs-svn: use higher mark numbers for blobs Jonathan Nieder
2011-03-08 19:08 ` Junio C Hamano
2011-03-09 6:55 ` Jonathan Nieder
2011-03-06 23:04 ` [PATCH 02/12] vcs-svn: save marks for imported commits Jonathan Nieder
2011-03-06 23:07 ` [PATCH 03/12] vcs-svn: introduce repo_read_path to check the content at a path Jonathan Nieder
2011-03-06 23:08 ` [PATCH 04/12] vcs-svn: handle_node: use repo_read_path Jonathan Nieder
2011-03-06 23:09 ` [PATCH 05/12] vcs-svn: simplify repo_modify_path and repo_copy Jonathan Nieder
2011-03-06 23:09 ` [PATCH 06/12] vcs-svn: add a comment before each commit Jonathan Nieder
2011-03-06 23:10 ` [PATCH 07/12] vcs-svn: allow input errors to be detected promptly Jonathan Nieder
2011-03-06 23:11 ` [PATCH 08/12] vcs-svn: set up channel to read fast-import cat-blob response Jonathan Nieder
2011-03-06 23:12 ` [PATCH 09/12] vcs-svn: eliminate repo_tree structure Jonathan Nieder
2011-03-06 23:12 ` [PATCH 10/12] vcs-svn: quote paths correctly for ls command Jonathan Nieder
2011-03-06 23:13 ` [PATCH 11/12] vcs-svn: handle filenames with dq correctly Jonathan Nieder
2011-03-06 23:16 ` [PATCH 12/12] vcs-svn: use mark from previous import for parent commit Jonathan Nieder
2011-03-07 12:24 ` [PATCH v2 00/12] vcs-svn: incremental import Sverre Rabbelier
2011-03-07 21:23 ` Jonathan Nieder [this message]
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