I am trying to make my cgi scripts quicker and it turns out that the bottle-neck is the loading of the libraries into R - for example loading up marrayPlots into R takes 10-20 seconds, which although not long, is long enough for users to imagine it is not working and start clicking reload....
So I just wondered if anyone had a neat solution whereby I could somehow have the required libraries permanently loaded into R - perhaps I need a persistent R process with the libraries in memory that I can pipe commands to? Is this possible?
If you are processing data already stored in a database, you could use Postgres and PL/R. See:
http://www.joeconway.com/
Use Postgres 7.4 and preload PL/R for the best performance -- i.e put the following line in $PGDATA/postgresql.conf
preload_libraries = '$libdir/plr:plr_init'
HTH,
Joe
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