[R] Windows R 1.8.0 hangs when Mem Usage >1.8GB

Liaw, Andy andy_liaw at merck.com
Thu Nov 20 00:10:22 CET 2003

With a custom compiled kernel, I've run R processes that used more than 5GB
of RAM on a Linux box with 8GB RAM and dual Xeons.  So it seems to work on
32-bit Linux with big memory kernel.


> From: Duncan Murdoch [mailto:dmurdoch at pair.com] 
> Normally the maximum memory allowed for any process in 
> Windows is 2 GB.  It's possible to raise that to 3 GB but R 
> 1.8 doesn't know how, so that's an absolute upper limit.  
> Version 1.9 may be able to go up to 3 GB, but beyond that 
> you'll probably need a 64 bit processor:  as far as I know 
> all the 32 bit OS's limit each process to 2 or 3 GB, because 
> they reserve 1 or 2 GB for themselves.
> Duncan Murdoch
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