rsync bandwidth usage

Joao Ferreira jmcferreira at
Tue Apr 22 11:14:02 GMT 2008

On Tue, 2008-04-22 at 12:18 +0200, Fabian Cenedese wrote:
> At 10:37 22.04.2008 +0100, Joao Ferreira gmail wrote:
> >Hello all,
> >
> >I'm experiencing about 20MBit/s on a 100MBit/s ethernet connection when
> >rsync'ing a lager number on _new_ files.
> >
> >I don't have much exeprience with rsync. I'dd just like to know if thi
> >is an acceptable bw usage and what could be the limiting factors... in
> >order to try to increase this speed.
> >
> >I'm considering using 1000MBit/s  dedicated connections and so I'dd like
> >to know if I will or won't get faster operations, or if I will still
> >have this 20MBit bottleneck.
> >
> >Furthermore... is there a way to ask rsync to be slower ?!?
> How do you call rsync? 

rsync -av --delete --perms --acls ...

> Do you use zipping? 

I don't ask for it ? Is the default behaviour to use or not ?

> What are the used machines
> (CPU type/freq)?

it's a Via C6 @ 1G Hz

>  We had the case that rsyncing to a NAS was not that
> fast because the used CPU couldn't hold up. Another reason might be
> the used rsync protocol, what rsync version do you use?

I'm using 3.0.0

> bye  Fabi

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