[Rd] setTimeLimit() fails when out of memory.

From: Jeroen Ooms <jeroenooms_at_gmail.com>
Date: Fri, 22 Jan 2010 14:14:27 -0800 (PST)

I am using the function setTimeLimit(elapsed=60) in R web applications to prevent processes from taking up too many resources. This works fine when a calculation takes too long, however, when the machine runs out of memory, the time limit also seems to fail, resulting in a stuck process maximum memory until killed manually. This probably makes sense in some way, but I was wondering if there is a solution. Some example code using ggplot2 that crashes my machine:

#time limit works fine:

while(TRUE) {sqrt(pi)}

#time limit fails:

x <- rnorm(1e6);
y <- rnorm(1e6);

Jeroen Ooms

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