This is an easy, install-and-run example of MapReduce for App Engine
1. Clone the repo 2. Deploy to App Engine ** 3. Navigate to https://mapreduce-dot-your_project_id.appspot.com/populate_db to fill datastore with entities 4. Navigate to https://mapreduce-dot-your_project_id.appspot.com/start_job to kick off the MapReduce mapper This example only preforms the **map** step of MapReduce.Feel free to submit an issue if you have questions.