From: Shawn Pearce <spearce@spearce.org>
Date: Sun, 30 Jan 2011 20:20:31 GMT
Subject: Re: [RFC] Add --create-cache to repack
Message-ID: <AANLkTi=4svGhw+L0StH=PKdVWZtbSTSKe+a8dqSmkSE0@mail.gmail.com>
In-Reply-To: <7vaaiib1n1.fsf@alter.siamese.dyndns.org>

On Sun, Jan 30, 2011 at 12:02, Junio C Hamano <gitster@pobox.com> wrote:
> Shawn Pearce <spearce@spearce.org> writes:
>
>>> The amount of transfer being that small was something I didn't quite
>>> expect, though.  Doesn't it indicate that our pathname based object
>>> clustering heuristics is not as effective as we hoped?
>>
>> I'm not sure I follow your question.
>
> I didn't see path information in your cachefile that contains C commits, T
> trees, etc. that sped up the object enumeration, but you didn't observe
> much transfer inflation over the stock git.

I didn't store the path itself, I stored the path hash as a 4 byte
int.  Its smaller, but still helps to schedule the object into the
right position in the delta search.

-- 
Shawn.