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Re: Whither delta combiner

From: Karl Fogel <kfogel_at_newton.ch.collab.net>
Date: 2002-02-12 03:25:28 CET

Zack Weinberg <zack@codesourcery.com> writes:
> Yes, there is a space penalty involved. It probably makes sense to
> leave files which have only been tagged (i.e. linked from tag space)
> deltified, only converting them to fulltext when they are modified.
> Or your skip-delta idea may make the performance acceptable.

Mike Pilato points out that what's really going on is that a copy
(i.e., tag or branch) is stored in the same way as the object it was
copied from, because they share representation. Once someone commits
on the copy (i.e., it's a branch), then that line starts doing the
usual head-is-fulltext, old-revs-are-delta thing... with the exception
of that initial revision, which continues to share storage with the
copy source.


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Received on Sat Oct 21 14:37:06 2006

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