[R] Snow/Snowfall hangs on windows 7

From: Anna Ågren <Anna.Agren_at_itello.se>
Date: Fri, 08 Apr 2011 17:08:56 +0200

Dear users,  

I want to set up R to use one R-script directory and one R-library (directory for packages) for many end-users. I try to do this by using one network-share. This works fine as long as we don't use the snowfall package with parallel=TRUE (sfInit(parallel=TRUE, cpus=4, type="SOCK")).  

When running R with default settings (local library and local script directory) then snowfall works great.  

When I tried to understand the problem I tested local library and local script directory and started the R program through a shortcut but this resulted in the program hanging as well. The same when I tried to start the program through the directory C:\Program Files\R\R-2.12.1\bin\i386 and C:\Program Files\R\R-2.12.1\bin\x64. The only way for it to work is when I start the program through the Start-menu.  

The R-program hangs when executing sfInit(parallel=TRUE, cpus=Cpu, type="SOCK"). When running process explorer I see the R-program creating a TCP connection in the state LISTENER but no ESTABLISHED happens.  



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