On Fri, Nov 12, 2010 at 08:11:32AM +0000, Tyler J. Wagner wrote:
> If you've already got SSH and rsync installed, you'll always get better
> results with rsync than with tar.
That's not always true. On large files with lots of changes rsync can
bog down and you will get backups that take less time with tar (by 50%
or better is some cases) and you also use less cpu. However you do get
more bytes transferred over the network.
If the host you are backing up doesn't have a lot of spare cycles, tar
is also faster becuase of the reduced compute (and sometimes memory)
load. So it's a trade off and you can't just make a blanket statement.
--
-- rouilj
John Rouillard System Administrator
Renesys Corporation 603-244-9084 (cell) 603-643-9300 x 111
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