campeterson/simple-mapreduce

A simple MapReduce setup for working on JSON files

Simple MapReduce formula.

NOTE: This is not a library, it is a script customized for some very specific purposes (and there is not much here yet).

Run

./mapper.rb ./*.json | sort | ./reducer.rb

http://arfon.org/getting-started-with-elastic-mapreduce-and-hadoop-streaming

http://stackoverflow.com/questions/4336842/when-bootstrapping-an-amazon-elastic-map-reduce-job-can-my-script-use-sudo