Re: [Duplicity-talk] relative perf measurements?

[AJ Weber]

Well, it would be extremely hard to test S3 on the same system as you test 
ftp/scp/rsync ;) .

But really, it shouldn't be hard to run ftp, scp, rsync and maybe even 
webdav on the same server and then run a couple of full backups, 
incrementals, and restores.  Would probably be very useful info to people --  
or maybe I'm just crazy like that.

Would also be cool to run those same tests with different simulated 
bandwidth parameters, which you can do with some linux testing tools that 
help you tweak your network conn to different bandwidth and lag.

Either way, I thought I'd ask!

Thanks,
AJ


> AJ,
>
> No one has done this to my knowledge.  The problem that I can see is
> that there would be too many variables.  I have access to most of the
> protocols, but they are all to different systems.  To make it a fair
> test, someone would have to have access to a system with all of the
> protocols in one place.  I don't think that system exists.
>
> ...Thanks,
> ...Ken

AJ Weber wrote:
> I searched around a little, but didn't find anything relevant...
>
> Has anyone done any relative performance measurements between the
> different backend connection options?
>
> I'm most interested in whether using an rsync server actually helps in
> any way (since we're already doing the rsync diff locally, I think)?
>
> Obviously this is all relative, but for "same target server, same
> network", are there any measurements for the same backup set sent over
> ftp, rsync, and scp?  Curious why I haven't seen something about this
> already.  I know all the YMMV cavaets, but has anyone taken the time to
> do this kind of experiment?
>
> Thanks in advance,
> AJ
>
>
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----- Original Message ----- 
From: "Kenneth Loafman" <address@hidden>
To: "Discussion of the backup program duplicity" <address@hidden>
Sent: Wednesday, January 13, 2010 8:01 PM
Subject: Re: [Duplicity-talk] relative perf measurements?


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