rsync summary details...

[Shai]

Thanks for the explanation :)

Shai

On 6/24/07, Jan-Benedict Glaw <jbglaw at lug-owl.de> wrote:
>
> 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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