[R] memory and swap space in ncdf

[antonio rodriguez]

Hi Manuel,

Look at your memory.limit() and run R with '--mem-max=' option

Try also to use the simpler netCDF library


Antonio

> -----Mensaje original-----
> De: r-help-bounces at stat.math.ethz.ch
> [mailto:r-help-bounces at stat.math.ethz.ch]En nombre de Manuel Gutierrez
> Enviado el: viernes, 21 de enero de 2005 10:03
> Para: r-help at stat.math.ethz.ch
> Asunto: [R] memory and swap space in ncdf
> 
> 
> I've a linux system with 2Gb of memory which  is not
> enough for reading a 446Mb netcdf file using ncdf:
> library(ncdf)
> ncold <- open.ncdf("gridone.grd")
> Error: cannot allocate vector of size 1822753 Kb
> 
> When I look at the free memory in my system I can see
> that none of the Swap space is being used by R.
> I am a newbie in linux and R, I've read the Memory
> help pages but still have some questions:
> can I use the swap space in R to solve my problem of
> lack of memory?
> if not, are there any ways to read the data apart from
> buying more RAM?
> Thanks,
> M
> 
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