I can't remember which but one of the R books had a paragraph about cutting down run time from a day to a few hours by setting up a Hadoop cluster ... Then the

I can't remember which but one of the R books had a paragraph about cutting down run time from a day to a few hours by setting up a Hadoop cluster ... Then the author said, something along the lines of "of course, it would take about 15 minutes using Perl." It's a matter of using the right tool for the job. Too many people are too excited about implementing something "big" instead of getting the bits from over here to over there.