On Thu, Feb 20, 2014 at 1:59 AM, Junio C Hamano <gits...@pobox.com> wrote:
> Philippe Vaucher <philippe.vauc...@gmail.com> writes:
>>> fwiw this is the thread that added --depth=250
>>> http://thread.gmane.org/gmane.comp.gcc.devel/94565/focus=94626
>> This post is quite interesting:
>> http://article.gmane.org/gmane.comp.gcc.devel/94637
> Yes, it most clearly says that --depth=250 was *not* a
> recommendation, with technical background to explain why such a long
> delta chain is a bad idea.

On the other hand, the size reduction is really nice (320MB vs 500MB).
I don't know if we can do this, but does it make sense to apply
--depth=250 for old commits only and shallow depth for recent commits?

For old projects, commits older than 1-2 years is probably less often
accessed and could use some aggressive packing. This still hits
git-blame badly. We could even make sure all objects "on the blame
surface" have short delta chain. But that may be pushing pack-objects
too much.
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