mongosoup/rmongodb — pull request #15 by dtenenba (2013-11-08 00:00:59+00:00)
Title: sped up mongo.cursor.to.data.frame

This function was using a very inefficient copy-and-append pattern which will
quickly use all available memory.

Please see http://www.burns-stat.com/pages/Tutor/R_inferno.pdf (Circle 2,
page 12ff) for more about why this is a bad idea and how to fix it.