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Re: question about fs node IDs

From: Jim Blandy <jimb_at_zwingli.cygnus.com>
Date: 2001-02-22 03:33:59 CET

Greg Hudson <ghudson@MIT.EDU> writes:
> My personal reaction to this is: man, versioning directory information
> is hard, any maybe we're going about it wrong. But I don't know how
> to go about it right. From what Jim has said, I think that's his take
> on the situation as well.

Yeah, pretty much.

I think we've got the Right representation for successive revisions of
a filesystem, but I don't know what sort of metadata is best for
producing minimal deltas between them. It's easy to construct good
structures for diffing revision N to N+1, but structures that work
well for arbitrary N to M, and for one subtree of M to another subtree
of M are harder. The latter problem is the one we want to solve. I
think the quick relatedness measure provided by the RCS-style numbers
is a decent approach for now.
Received on Sat Oct 21 14:36:23 2006

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