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Re: svn commit: r9496 - in trunk/subversion: include libsvn_delta tests/libsvn_fs

From: Greg Hudson <ghudson_at_MIT.EDU>
Date: 2004-04-29 21:22:48 CEST

On Thu, 2004-04-29 at 14:03, kfogel@collab.net wrote:
> I would have thought that the global delta window size is how we
> choose what window size to use when creating new deltas; but that once
> created, a delta window *says* what size it is, and that therefore
> this wouldn't break compatibility.

Because of the delta combiner, all deltas in a representation chain must
use the same window size.

In the FSFS implementation, we could be careful about using the same
window size when deltifying against a delta representation. (But I
don't think we are.) In the BDB implementation, we can't do that even
in theory, because we don't know what representations rely on the
representation we're deltifying.

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Received on Thu Apr 29 21:24:20 2004

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