How to limit memory on a server

My OS is a 64-bit Windows Server 2008 SP2 and I would like to limit RAM usage on the server.
Thank you.
Best regards

Cyril Hervy 

-----Message d'origine-----
De : Prof Brian Ripley [mailto:ripley at stats.ox.ac.uk] 
Envoy? : mercredi 3 octobre 2012 15:43
? : Hervy Cyril
Cc : R-help (r-help at r-project.org)
Objet : Re: [R] How to limit memory on a server

And your OS is?  See the footer and the 'at a minimum' information the posting guide asks for.

I think you are confusing 'memory' and 'RAM': the two concepts are distinct.

But R is not a special case, and you do it the same way as you do this for any other process, by your OS facilities.

Hello,
In our structure, users connect to a server (64GB of memory) where they launch R. How can I limit the amount of RAM that could use a user.
The function memory.limit(size=...) can limit the amount of memory but I would like users can't change this option in R. Is it possible?
Thank you.

Cyril Hervy

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Brian D. Ripley,                  ripley at stats.ox.ac.uk
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