rsync bandwidth usage
jp
jp at saucer.midcoast.com
Tue Apr 22 14:28:18 GMT 2008
For situations where it's all new files, using -W would make it a lot
more efficient and less CPU intensive.
You can ask rsync to be slower with it's built in bandwidth limiting
options.
On Tue, Apr 22, 2008 at 12:14:02PM +0100, Joao Ferreira wrote:
>
> 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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