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From: Steven Grimm <koreth@midwinter.com>
To: "Shawn O. Pearce" <spearce@spearce.org>
Cc: Eric Wong <normalperson@yhbt.net>, Mike Hommey <mh@glandium.org>,
	git@vger.kernel.org
Subject: Re: Significant performance waste in git-svn and friends
Date: Thu, 06 Sep 2007 23:28:17 -0700	[thread overview]
Message-ID: <46E0EF81.6060403@midwinter.com> (raw)
In-Reply-To: <20070907045557.GY18160@spearce.org>

Shawn O. Pearce wrote:
> What will happen is you will get a packfile per git-svn fetch, so
> if you fetch 5 times that day you will get 5 packfiles that day.
> But you could also get 5 packfiles from git-fetch if each of those
> fetches brought in 100 or more new objects.  So it really is not
> that big of a deal.
>
> At some point the number of packfiles gets out of control, but so
> does the number of loose objects.  Repacking is the obvious fix in
> both cases.

This dovetails nicely with the "git gc --auto" work in progress, 
particularly the recent patch to pack small packfiles together when 
there get to be too many of them; run that at the end of every git-svn 
fetch and the problem goes away.

-Steve

  reply	other threads:[~2007-09-07  6:28 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-05 18:47 Significant performance waste in git-svn and friends Mike Hommey
2007-09-05 20:40 ` Junio C Hamano
2007-09-05 21:19   ` David Kastrup
2007-09-06  1:07     ` Patrick Doyle
2007-09-06  2:19     ` Shawn O. Pearce
2007-09-06  2:16   ` Shawn O. Pearce
2007-09-06  5:52   ` Mike Hommey
2007-09-06  7:04 ` Eric Wong
2007-09-07  4:55   ` Shawn O. Pearce
2007-09-07  6:28     ` Steven Grimm [this message]
2007-09-07  5:41 ` Mike Hommey

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