[darcs-users] darcs goes faster if you break a repository up into successive chunks of patches?

[Reinier Lamers]

Op Tuesday 20 May 2008 04:49:59 schreef zooko:
> http://progetti.arstecnica.it/tailor/changeset/1507
>
> """To migrate a big darcs repository it is faster doing a *chunked
> approach*, that is using an intermediary repository where you pull
> say a couple of hundreds patches at a time from the real source
> repository ... """
>
> Does anybody know why this is?  It sounds like an opportunity for
> darcs optimization.
In attacking bug #777, I noticed that when darcs creates a patch bundle, it 
tries to take an SHA-1 hash of al the bundle text. When you do a "darcs put" 
with a big repository, the bundle is too big to fit in your RAM, so the 
machine grinds to a swapping halt. Could something similar also happen when 
you do a pull?

Reinier
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