Carl Wilhelm Soderstrom wrote:
> 
> As a noteworthy data point, when making an initial copy of files (not using
> backuppc, just plain tar or rsync); tar is 2x-4x faster than rsync,
> presumably due to all of rsync's calculating overhead.

Are you comparing a tar to a tar archive to rsync or 'tar -c | ssh ... 
tar -x'?  The slow part of the process should be creating the new 
directory tree and file structure.  Rsync shouldn't do a lot of 
calculating when the target is empty, but it does (at least the old 
versions) read and transfer the entire source directory tree before 
starting any file transfers which can add some time to the operation 
particularly where there are a lot of small files.

-- 
   Les Mikesell
    lesmikesell AT gmail DOT com



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