From: Michael Haggerty <mhagger@alum.mit.edu>
To: Jeff King <peff@peff.net>
Cc: git@vger.kernel.org, Duy Nguyen <pclouds@gmail.com>,
"Shawn O. Pearce" <spearce@spearce.org>
Subject: Re: [PATCH 4/6] introduce a commit metapack
Date: Tue, 29 Jan 2013 11:24:45 +0100 [thread overview]
Message-ID: <5107A36D.2050307@alum.mit.edu> (raw)
In-Reply-To: <20130129091610.GD9999@sigill.intra.peff.net>
On 01/29/2013 10:16 AM, Jeff King wrote:
> When we are doing a commit traversal that does not need to
> look at the commit messages themselves (e.g., rev-list,
> merge-base, etc), we spend a lot of time accessing,
> decompressing, and parsing the commit objects just to find
> the parent and timestamp information. We can make a
> space-time tradeoff by caching that information on disk in a
> compact, uncompressed format.
>
> TODO: document on-disk format in Documentation/technical
> TODO: document API
Would this be a good place to add the commit generation number that is
so enthusiastically discussed on the mailing list from time to time?
Michael
--
Michael Haggerty
mhagger@alum.mit.edu
http://softwareswirl.blogspot.com/
next prev parent reply other threads:[~2013-01-29 10:25 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-29 9:14 [PATCH/RFC 0/6] commit caching Jeff King
2013-01-29 9:15 ` [PATCH 1/6] csum-file: make sha1write const-correct Jeff King
2013-01-29 9:15 ` [PATCH 2/6] strbuf: add string-chomping functions Jeff King
2013-01-29 10:15 ` Michael Haggerty
2013-01-29 11:10 ` Jeff King
2013-01-30 5:00 ` Michael Haggerty
2013-01-29 9:15 ` [PATCH 3/6] introduce pack metadata cache files Jeff King
2013-01-29 17:35 ` Junio C Hamano
2013-01-30 6:47 ` Jeff King
2013-01-30 1:30 ` Duy Nguyen
2013-01-30 6:50 ` Jeff King
2013-01-29 9:16 ` [PATCH 4/6] introduce a commit metapack Jeff King
2013-01-29 10:24 ` Michael Haggerty [this message]
2013-01-29 11:13 ` Jeff King
2013-01-29 17:38 ` Junio C Hamano
2013-01-29 18:08 ` Junio C Hamano
2013-01-30 7:12 ` Jeff King
2013-01-30 7:17 ` Junio C Hamano
2013-02-01 9:21 ` Jeff King
2013-01-30 15:56 ` Junio C Hamano
2013-01-31 17:03 ` Shawn Pearce
2013-02-01 9:42 ` Jeff King
2013-02-02 17:49 ` Junio C Hamano
2013-01-30 7:07 ` Jeff King
2013-01-30 3:36 ` Duy Nguyen
2013-01-30 7:12 ` Jeff King
2013-01-30 13:56 ` Duy Nguyen
2013-01-30 14:16 ` Duy Nguyen
2013-01-31 11:06 ` Duy Nguyen
2013-02-01 10:15 ` Jeff King
2013-02-02 9:49 ` Duy Nguyen
2013-02-01 10:40 ` Jeff King
2013-03-17 13:21 ` Duy Nguyen
2013-03-18 12:20 ` Jeff King
2013-02-01 10:00 ` Jeff King
2013-01-29 9:16 ` [PATCH 5/6] add git-metapack command Jeff King
2013-01-29 9:16 ` [PATCH 6/6] commit: look up commit info in metapack Jeff King
2013-01-30 3:31 ` [PATCH/RFC 0/6] commit caching Duy Nguyen
2013-01-30 7:18 ` Jeff King
2013-01-30 8:32 ` Duy Nguyen
2013-01-31 17:14 ` Shawn Pearce
2013-02-01 9:11 ` Jeff King
2013-02-02 10:04 ` Shawn Pearce
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