Server hanging despite efforts to correct memory limits

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I am running into a separate, but related issue. On Linux, one may impose
memory limits via the --max-vsize, --max-nsize, and --max-ppsize arguments
upon starting R. I do not know if similar arguments are available on
Windows. HTH
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You should be able to set limits on memory use for a process in the operating system, eg with limits or ulimits under Unix-alike shells.

      -thomas

My group is working with datasets between 100 Mb and 1 GB in size, using
multiple log ins.  From the documentation, it appears that vsize is limited
to 2^30-1, which tends to prove too restrictive for our use.  When we drop
that restriction (set vsize = NA) we end up hanging the server, which
requires a restart.  Is there any way to increase the memory limits on R
while keeping our jobs from hanging?  Having to restart the server is a
major inconvenience, second only to memory limitations in R.

mem.limits()
   nsize     vsize
100000000        NA

mem.limits(vsize=2^30)
    nsize      vsize
100000000 1073741824

mem.limits(vsize=2^31)
    nsize      vsize
100000000 1073741824
Warning message:
In structure(.Internal(mem.
limits(as.integer(nsize), as.integer(vsize))),  :
 NAs introduced by coercion

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Thomas Lumley			Assoc. Professor, Biostatistics
tlumley at u.washington.edu	University of Washington, Seattle