No it won't in the same way, you are basically asking rsync to walk the large 
and complex file tree checking the date of every file, where as with a full 
rsync all you are asking for is "next file, next lie, next file"

--
Sent from a mobile device

On 17 Sep 2012, at 15:59, Mark Coetser <mark AT tux-edo.co DOT za> wrote:

> On 17/09/2012 14:50, Tim Fletcher wrote:
>> You are being hit by disk io speeds, check you dont have atime turned on on 
>> the fs. Also it's worth considering tar instead of rsync for this sort of 
>> work load.
>> 
>> --
> Hi
> 
> Surely disk io would affect normal rsync as well? Normal rsync and even nfs 
> get normal transfer speeds its only rsync within backuppc that is slow.
> 
> Thank you,
> 
> Mark Adrian Coetser
> 

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