Re: Git benchmarks at OpenOffice.org wiki

From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: May 2, 2007, 16:24 UTC
Message-ID: <Pine.LNX.4.64.0705021822100.4015@racer.site>
In-Reply-To: <200705021641.53199.kendy@suse.cz>

Hi,

On Wed, 2 May 2007, Jan Holesovsky wrote:

Show 18 quoted lines

> On Wednesday 02 May 2007 12:24, Johannes Schindelin wrote:
> 
> > On Tue, 1 May 2007, Jakub Narebski wrote:
> > > 'Checkout time' (which should be renamed to 'Initial checkout time'),
> > > in which git also loses with 130 minutes (Linux, 2MBit DSL) [from
> > > go-oo.org], 100min (Linux, 2MBit DSL, Wireless, no proxy) [from
> > > go-oo.org] versus 117 minutes (Linux, 2MBit DSL), 26 minutes (Linux,
> > > 2MBit DSL, with compression (-z 6)) for CVS, and  60 Minutes (Windows,
> > > 34Mbit Line) for Subversion, would also be helped by the above.
> >
> > FWIW I can confirm the number "100min".
> >
> > Something I realized with pain is that the refs/ directory is 24MB big.
> > Yep. Really. They have 3464 heads and 2639 tags. I suspect that this is
> > the reason why.
> 
> I should probably produce even a tree where would be the merged branches 
> deleted, right...

FWIW, I just deleted all branches except for one, packed the tags, and did a local clone (via NFS, urgh) _without_ checking the files out.

Now it takes 25 minutes vs 50 minutes before (in an _extremely_ unscientific test, mind you).

So, this issue is worth looking at, probably.

Ciao, Dscho