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From:	Lapo Luchini <lapo AT lapo DOT it>
Subject:	Re: Using rsync to sync to NTFS: permission issues
Date:	Thu, 20 Jan 2005 18:21:11 +0100
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Warren Young wrote:
> If you don't compress the tar file,
> there's a nonzero chance that rsync can still save some I/O when
> synchronizing after the first copy.

There's a quite high chance that it would transfer only the modified
bytes with some margin up to the next "block boundary"...

Maybe not "optimal" such as bsdiff, but at least it's on-the-fly and
doesn't require 17 times the file size in RAM amount ;-)

  Lapo

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