[flud-devel] filesystem analysis proposal

Alen Peacock alenlpeacock at gmail.com
Thu Nov 15 08:44:39 PST 2007


On Nov 14, 2007 9:30 PM, Bill Broadley <bill at broadley.org> wrote:
>
> Cool.  The only thing I'm not sure how to approach is the size of the rsync
> differences.  The ABS paper mentions (in 4.1.1) generating an rsync basis file
> which is a compact, hash-based representation of a file that supports fast,
> file block comparisons between two file versions.  Is that available via some
> flag (I browsed the rsync manpage without finding anything obvious), or is
> that maybe an librsync function?

  If I'm not mis-remembering, we used rdiff
(http://packages.debian.org/unstable/utils/rdiff) which is based on
librsync.  There may be better alternatives for delta compression
these days.

Alen




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