search for: 400x100

...ptop with 4GB RAM (effectively 3GB I assume...) I have a data file of 450Mb loaded into R and have around 1500 data.frames floating in the global space as my data source. The way I run this analysis: I call a patch processing & procedure script >> it retrieves 4 lists of info (each around 400x100) from an index data.frame, and then it calls another script to retrieve info from the corresponding data.frames on the 4 lists in the global space >> through calling another script, about 1000x3 will be retrieved by another script >> the 1000x3 will be passed to a third script expanded...