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Re: Antwort: Re: cvs2svn.py fails converting repository with the attached file

From: <kfogel_at_collab.net>
Date: 2003-06-27 18:02:44 CEST

mark benedetto king <mbk@lowlatency.com> writes:
> I had to do some rcs file mangling recently, with thousands of revisions
> of very large files. Using co directly was unacceptable because of the
> O(N^2) nature.
> Instead, I used a slightly modified rcsparse to extract not only the change
> metadata, but the deltas themselves, and the fulltext of the HEAD.
> I took HEAD and picked up the deltas in reverse order, reconstructing
> all of the fulltexts in N passes (there were no branches in these
> rcs files).
> This gave me a tremendous speedup, but wouldn't it also allow us to
> remove the requirement for "co"?

Yeah -- Greg (Stein) and I were recently talking about doing just
this, in fact. I assume this technique caused massive disk usage,
since you had to keep all those fulltexts around in order to avoid the
N^2 behavior?

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Received on Fri Jun 27 18:52:00 2003

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