rsync --daemon. Can I open more than one instances?

Daniel.Li daniel_li at
Thu Jun 4 05:09:23 GMT 2009

On Wed, 2009-06-03 at 20:57 -0500, Rahul Nabar wrote:
> Is there a way to speed up rsync by opening more than one daemon in
> parallel. 

daemon will create a process when a connection is established. So the
limit is hardware. 

> I use rsync --daemon to start rsync. I was wondering if
> opening more than one instance is recommended or feasible? 

I think multi-client can improve performance, but limit is the same as

> I know that
> for services like nfs for example I have had opening many instances
> improve performance.

What kind of performance you are concerning, network/cpu/ram/disk
IO ....?
> I have 4 cores available 

It seems good :)

> so if there are any other parallization modes
> I'd be glad to know since I need to backup ~800GB data every day.

Rsync can backup only differs. I think you can use this feature.

> -- 
> Rahul
Daniel Li

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