On Wed, 29 Feb 2012, Sam Steingold wrote:
* Milan Bouchet-Valat <anyvzv...@pyho.se> [2012-02-29 18:18:50 +0100]:
I think you're simply hitting a (terrible) OS limitation. Linux is
very often not able to reclaim the memory R has used because it's
fragmented. The OS can only get the pages back if nothing is above
them, and most of the time there is data after the object you
remove. I'm not able to give you a more precise explanation, but
that's apparently a known problem and that's hard to fix.
compacting garbage collector is our best friend!
Which R does not use because of the problems it would create for
external C/Fortran code on which R heavily relies.
--
Luke Tierney
Chair, Statistics and Actuarial Science
Ralph E. Wareham Professor of Mathematical Sciences
University of Iowa Phone: 319-335-3386
Department of Statistics and Fax: 319-335-3017
Actuarial Science
241 Schaeffer Hall email: luke-tier...@uiowa.edu
Iowa City, IA 52242 WWW: http://www.stat.uiowa.edu
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