On 08/16/2013 12:50 PM, Dirk Eddelbuettel wrote:
On 16 August 2013 at 12:45, Elizabeth Tighe wrote:
|
| So, I'm submitting R 3.0.1 jobs on Ubuntu (13.04) using 'R CMD BATCH
| --no-save filename.R &' (have an alias set to subr='R CMD BATCH --no-save")
|
| and am having a problem of sometimes the process ending without the R
| commands contained in the batch file actually having finished running.
|
| We're running Bayesian models using R2jags jags.parallel and it ends
| during the jags run, so it might be something funky with that package,
| but am curious to know if the general issue of R process ending
| unceremoniously is anything anyone has run into.
Use either littler ("sudo apt-get install littler") which we wrote for
this purpose, or else use Rscript (which came a little later, but now comes
with R).
There are also packages for parsing command-line arguments, so you can really
create scripts '#!/usr/bin/r' with all the glory.
Dirk
Liz,
Another alternative would be to use "screen" or one of its alternatives,
"Byobu" or "tmux". These are what are called terminal multiplexers. It
allows you to start a process, logout will killing the process, then log
in later from the same location or different location.
You can start you R script without the "&", and then detach the
terminal. Not exit, but detach using a specific key sequence like
Ctrl-A d. You can then log back in (reattach) to the terminal and see
if it is still running or if it failed, what the output is. If you do a
google search for "screen tutorial linux", you will find some good
information. I often use this when I am running a long process on a
server and am too lazy to write a proper script :)
Michael
--
Dr. Michael A. Rutter
Associate Professor of Statistics
Program Coordinator, Mathematics
Penn State Erie, The Behrend College
Station Road
Erie, PA 16563
http://math.bd.psu.edu/faculty/rutter
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