[R-sig-hpc] Excessive network traffic and slow code execution when running R via qsub on an HPC
c_b_dvs at yahoo.com
Thu Jan 16 11:11:11 CET 2014
I think I managed to solve it using the code below. With sqldf the queries were done directly on data frames without any code that initialized a connection to a sqlite database. Somehow this led the code constantly talking to the head node. The R code itself does repetitions of a job that are independent of each other, so the code below is run before each repetition begins.
# close an old connection if it exists
# create a new connection
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