Re: Big repo not shrinking on repack or gc?

From: Andreas Krey <a.krey@gmx.de>
Date: Jan 14, 2015, 13:07 UTC
Message-ID: <20150114130731.GD13247@inner.h.apk.li>
In-Reply-To: <20150114124936.GC30383@peff.net>

On Wed, 14 Jan 2015 07:49:36 +0000, Jeff King wrote:

Show 11 quoted lines

> On Wed, Jan 14, 2015 at 12:51:30PM +0100, Andreas Krey wrote:
> 
> > I have a repo here that is 130G, but when I clone --mirror it, the result
> > is only 25G big.  Because of the --mirror I don't think that I missed
> > any refs that keep objects only in the source repo.
> 
> Perhaps some objects are mentioned by reflogs, but not by the refs? They
> would not be transferred as part of a clone. Try:
> 
>   git rev-list --objects --all | cut -d' ' -f1 | sort >reachable
>   git rev-list --objects --reflog | cut -d' ' -f1 | sort >reflogs

Actually, the output of 'git rev-list --objects --reflog' is empty, and there isn't even a reflog (or similar) directory. (This is a bare repo inside atlass. stash.)

...

> > I already tried 'git repack -fad' and 'git gc' to shrink the original repo,
> 
> You don't need the "-f" here. Just "git repack -ad" should be enough
> (and the "-f" probably makes it _way_ slower).

Right, the -f is an old workaround for old jgits in another repo.

Apparently, part of the trick is --prune=all or similar on 'git gc', to get rid of the loose objects faster. That got a copy of the repo down to around 70G - still way to go.

Andreas

-- 
"Totally trivial. Famous last words."
From: Linus Torvalds <torvalds@*.org>
Date: Fri, 22 Jan 2010 07:29:21 -0800