From: Eric Wong <normalperson@yhbt.net>
To: Sam Vilain <sam@vilain.net>
Cc: Junio C Hamano <gitster@pobox.com>,
git@vger.kernel.org, Harvey Harrison <harvey.harrison@gmail.com>
Subject: Re: [PATCH 0/2] [RFT] git-svn: more efficient revision -> commit mapping
Date: Wed, 12 Dec 2007 10:05:10 -0800 [thread overview]
Message-ID: <20071212180510.GB18980@untitled> (raw)
In-Reply-To: <1197248646.7185.25.camel@brick>
Harvey Harrison <harvey.harrison@gmail.com> wrote:
> On Sun, 2007-12-09 at 12:56 -0800, Harvey Harrison wrote:
> > On Sat, 2007-12-08 at 23:27 -0800, Eric Wong wrote:
> > > This is very lightly tested, but describes the format I described in:
> > >
> > > http://article.gmane.org/gmane.comp.version-control.git/67126
> > >
> > > (more in the commit messages)
> > >
> > > I'll be out of town the next few days and I'm not sure how much I'll be
> > > able to follow up on it while I'm gone. Please test, especially if
> > > you're dealing with a repository where large .rev_db files are a
> > > problem.
> > >
> > > Junio: not intended for master just yet, but if you hear nothing but
> > > good things about it, feel free :)
> > Preliminary tests against the gcc repo are going swimmingly.
> >
> > Successful git svn rebase against trunk, doing a full git svn fetch
> > now to build rev_maps for all svn branches/tags. At halfway through
> > space has decreased from ~2GB to 17MB for about half of the needed
> > metadata.
> >
>
> Eric,
>
> I'm very happy with these patches. For the gcc repo, git-svn metadata
> has gone from over 5GB to 33MB. git-svn fetch/rebase are working fine,
> will shout if I see any odd behavior.
Harvey:
Thanks for the feedback. Glad it helps with gcc. I'll make unlinking
the index files the default tonight since it shouldn't hurt performance
enough to matter, and the disk savings is enough to justify it..
Sam (or anybody else using useSvmProps:
Do you have any feedback with svmProps enabled?
--
Eric Wong
next prev parent reply other threads:[~2007-12-12 18:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-09 7:27 [PATCH 0/2] [RFT] git-svn: more efficient revision -> commit mapping Eric Wong
2007-12-09 7:27 ` [PATCH 1/2] git-svn: replace .rev_db with a more space-efficient .rev_map format Eric Wong
2007-12-09 7:27 ` [PATCH 2/2] git-svn: reinstate old rev_db optimization in new rev_map Eric Wong
2007-12-09 20:56 ` [PATCH 0/2] [RFT] git-svn: more efficient revision -> commit mapping Harvey Harrison
2007-12-10 1:04 ` Harvey Harrison
2007-12-12 18:05 ` Eric Wong [this message]
2007-12-13 2:42 ` Sam Vilain
2007-12-13 16:30 ` Eric Wong
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