This tutorial will take participants through basic usage of mrjob by
writing analytics jobs over Yelp data. mrjob lets you easily write, run,
and test distributed batch jobs in Python, on top of Hadoop. Hadoop is a
MapReduce platform for processing big data but requires a fair amount of
Java boilerplate. mrjob is an open source Python library written by Yelp
used to process TBs of data every day.