Extra memory means a longer start-up time (for small apps) ala JVM, and makes hosting much more expensive. Lots of web hosts are memory / IO bound, not CPU boun

Extra memory means a longer start-up time (for small apps) ala JVM, and makes hosting much more expensive. Lots of web hosts are memory / IO bound, not CPU bound. And you are sacrificing memcache size for python speed if you increase python's footprint - not always a winner.