The crashes turned out to have nothing to do with the temp files. They seem to
be caused by loading library(gbm). That is when many R sessions nearly
simultaneously load the library R crashes with the message "The instruction
at '0x63422398' referenced memory at '0x63422398'. The required
data was not placed into memory because of an I/O error status of
'0xc000020c'".
Does anyone have an idea what that might mean?
I am not able to reproduce it in controlled environment. This is Windows.
Thanks,
Vadim
________________________________________
From: r-devel-bounces at r-project.org [r-devel-bounces at r-project.org] On
Behalf Of Vadim Organovich [vogranovich at jumptrading.com]
Sent: Friday, February 15, 2008 2:29 PM
To: r-devel at r-project.org
Subject: [Rd] Rscript temp file
Hi,
It seems that Rscript creates a temporary file to store the commands passed with
the -e option, under normal circumstances the temp file gets deleted at some
point.
Here is an example of a call I use:
q:/R/R-2.6.1/bin/Rscript.exe -e
".libPaths(\"q:/R/vogranovich/library\"); params <- list(a=1);
source(foo)"
The temp files seem to be a problem when multiple jobs are run simultaneously. I
suspect that when two Rscripts are run at almost the same time they try to
create the same tepm file and clash over it, which causes one or both of them to
die.
Is my guesswork corect? If yes, is there a way to avoid the clash, say by
specifying which directory to use for temp files?
Thanks,
Vadim
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