rsync summary details...

[Jan-Benedict Glaw]

On Sun, 2007-06-24 14:48:24 +0300, Shai <shaibn at gmail.com> wrote:
> On 6/24/07, Giuliano Gavazzi <dev+lists at humph.com> wrote:
> > On 24 Jun 2007, at 11:25, Shai wrote:
> > > I'm trying to figure our some of these details:
> > >
> > > sent 34108 bytes  received 6913101 bytes  19487.26 bytes/sec
> > > total size is 231889639875  speedup is 33378.82
> > >
> > > 1. Is the 6913101 really in bytes?
> > > 2. What is the 231889639875 measurement? Bytes? Bits?
> > > 3. What does "speedup" mean exactly?
> >
> > do the maths: 6913101 * 33378.82 = 231889639875 +/- 0.5% that seems
> > to me quite accurately consistent. That the total size is in bites
> > you can check by doing a du on the source, and I can confirm that it
> > is in bytes.
>
> what is speedup?

You're really bad in math, aren't you?  :-)

If you used "cp" or "scp" or some other non-differential copying
mechanism, you would have send 33378.82 times the amount of data that
rsync just sent over the wire:

<speedup> = <total size> / (<bytes sent> + <bytes received>)

Or in other words: "The traffic used in this rsync run is
(100/<speedup>) %  of the traffic you would have needed when using a
simple copy."

MfG, JBG

-- 
      Jan-Benedict Glaw      jbglaw at lug-owl.de              +49-172-7608481
Signature of:                     Eine Freie Meinung in einem Freien Kopf
the second  :                   für einen Freien Staat voll Freier Bürger.
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