[R] Thrashing?

Prof Brian Ripley ripley at stats.ox.ac.uk
Sat Nov 13 22:35:35 CET 2004

On Sat, 13 Nov 2004, Rob Steele wrote:

> Does R do its own swapping out to disk?  I disabled Linux swapping and the


> system still gets stuck in Purgatory where there's little CPU activity but 
> the disk goes like crazy.  That's with R having almost the whole machine to 
> itself and running a memory hungry compute only function.
> I've seen this behavior with other version numbers but I'm running R 2.0.0 
> under Fedora Core 3.  The system is a laptop with 1 Gig. RAM.

I don't see it on machines with 1 or 2Gb of RAM and 3-10Gb of swap.

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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