Re: thin packs ending up fat

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On Thu, Jan 12, 2012 at 11:19:37PM -0800, Junio C Hamano wrote:

> I wanted to make sure I understood the root cause of the issue and the
> approach the patch takes to address it, instead of committing something
> that smelled correct. And the only way I know to do so is to write it
> down.

I use something of the same technique myself...

> Especiallly, before coming up with the description, I was wondering if
> this kind of symptom appears in non-thin cases, but after writing down the
> justification for this patch, it became clear that we wouldn't have to
> worry too much about that case. In a non-thin pack, we need to record one
> object at least in a delta family in inflated base form, so we may as well
> send that one near the tip that is already in that form for that, letting
> the existing "avoid futile delta" heuristics to kick in. Other objects in
> the same delta family will delta against it.

Exactly. You asked earlier why my one-liner patch was not in the first
message. It's because it was only through writing the first message that
I came to the same realization. :)

-Peff
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