hi, this is just a general request for the awesome folks at cwi: could you give some serious thought to optimizing ram usage on windows?  this happens to me a lot, i end up just leaving these big joins to run overnight--

http://s30.postimg.org/saeo9ca7l/overloaded.png

happy to write up some r-driven reproducible examples if there's willingness to combat these bottlenecks.  thanks as always from your biggest fan.