All of lore.kernel.org
 help / color / mirror / Atom feed
From: Tomas Carnecky <tom@dbservice.com>
To: Joshua Redstone <joshua.redstone@fb.com>
Cc: "git@vger.kernel.org" <git@vger.kernel.org>
Subject: Re: Debugging git-commit slowness on a large repo
Date: Sun, 04 Dec 2011 14:54:10 +0100	[thread overview]
Message-ID: <4EDB7B82.8090707@dbservice.com> (raw)
In-Reply-To: <CAFE9C7B.2BFEC%joshua.redstone@fb.com>

On 12/3/11 12:17 AM, Joshua Redstone wrote:
> Hi,
> I have a git repo with about 300k commits,  150k files totaling maybe 7GB.
>   Locally committing a small change - say touching fewer than 300 bytes
> across 4 files - consistently takes over one second, which seems kinda
> slow.  This is using git 1.7.7.4 on a linux 2.6 box.  The time does not
> improve after doing a git-gc (my .git dir has maybe 250 files after a git
> gc).  The same size commit on a brand new repo takes<  10ms.  Any thoughts
> on why committing a small change seems to take a long time on larger repos?
>
> Fwiw, I also tried doing the same test using libgit2 (via the pygit2
> wrapper), and it was ever slower (about 6 seconds to commit the same small
> change).

try git commit --no-status

      parent reply	other threads:[~2011-12-04 13:54 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-02 23:17 Debugging git-commit slowness on a large repo Joshua Redstone
2011-12-03  0:23 ` Carlos Martín Nieto
2011-12-05 17:38   ` Junio C Hamano
2011-12-07  1:48   ` Joshua Redstone
2011-12-07  2:08     ` Nguyen Thai Ngoc Duy
2011-12-07 22:48       ` Joshua Redstone
2011-12-08  1:39         ` Nguyen Thai Ngoc Duy
2011-12-09  0:09           ` Joshua Redstone
2011-12-09  0:17             ` Joshua Redstone
2011-12-13  0:15               ` Joshua Redstone
2011-12-20  0:51                 ` Joshua Redstone
2011-12-20  1:21                   ` Junio C Hamano
2011-12-20  1:40                     ` Joshua Redstone
2011-12-20  9:23                       ` Thomas Rast
2011-12-20 19:26                         ` Joshua Redstone
2011-12-04 13:54 ` Tomas Carnecky [this message]

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=4EDB7B82.8090707@dbservice.com \
    --to=tom@dbservice.com \
    --cc=git@vger.kernel.org \
    --cc=joshua.redstone@fb.com \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.