ansible/ansible-examples — pull request #9 by aboyett (2013-05-15 00:24:53+00:00)
Title: mongo servers aren't supposed to be named hadoop, they're supposed to be named mongo!

It looks like this file was copied from a hadoop example and not all
instances of the word "hadoop" were replaced with "mongo." Running a quick
s/hadoop/mongo/g fixes this up to provide a more clear example.