git.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Jakub Narebski <jnareb@gmail.com>
To: git@vger.kernel.org
Subject: Re: [PATCH] Prevent megablobs from gunking up git packs
Date: Tue, 22 May 2007 13:05:40 +0200	[thread overview]
Message-ID: <f2uigr$ufj$1@sea.gmane.org> (raw)
In-Reply-To: 56b7f5510705220100h77e91196r1784b33772911660@mail.gmail.com

Dana How wrote:

> There's actually an even more extreme example from my day job.
> The software team has a project whose files/revisions would be
> similar to those in the linux kernel (larger commits, I'm sure).
> But they have *ONE* 500MB file they check in because it takes
> 2 or 3 days to generate and different people use different versions of it.
> I'm sure it has 50+ revisions now.  If they converted to git and included
> these blobs in their packfile, that's a 25GB uncompressed increase!
> *Every* git operation must wade through 10X -- 100X more packfile.
> Or it could be kept in 50+ loose objects in objects/xx ,
> requiring a few extra syscalls by each user to get a new version.

Or keeping those large objects in separate, _kept_ packfile, containing
only those objects (which can delta well, even if they are large).

-- 
Jakub Narebski
Warsaw, Poland
ShadeHawk on #git

  reply	other threads:[~2007-05-22 11:01 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-22  6:14 [PATCH] Prevent megablobs from gunking up git packs Dana How
2007-05-22  6:30 ` Shawn O. Pearce
2007-05-22  7:33   ` Dana How
2007-05-22  6:52 ` Junio C Hamano
2007-05-22  8:00   ` Dana How
2007-05-22 11:05     ` Jakub Narebski [this message]
2007-05-22 16:59       ` Dana How
2007-05-22 23:44         ` Jakub Narebski
2007-05-23  0:28           ` Junio C Hamano
2007-05-23  1:58             ` Nicolas Pitre
2007-05-22 17:38 ` Nicolas Pitre
2007-05-22 18:07   ` Dana How
2007-05-23 22:08 ` Junio C Hamano
2007-05-23 23:55   ` Dana How
2007-05-24  1:44     ` Junio C Hamano
2007-05-24  7:12       ` Shawn O. Pearce
2007-05-24  9:38         ` Johannes Schindelin
2007-05-24 17:23         ` david
2007-05-24 17:29           ` Johannes Schindelin
2007-05-25  0:55             ` Shawn O. Pearce
2007-05-24 20:43         ` Geert Bosch
2007-05-24 23:29         ` Dana How
2007-05-25  2:06           ` Shawn O. Pearce
2007-05-25  5:44             ` Nicolas Pitre

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='f2uigr$ufj$1@sea.gmane.org' \
    --to=jnareb@gmail.com \
    --cc=git@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).