The Definitive Guide to Data Quality
Now, we assume your Hadoop cluster is already set up and correctly configured (which is not always that easy). So be aware that the Talend documentation does not intend to focus on how to set up Hadoop, but really how to set up Jobs using Talend Hadoop connectors.
Just mentioning that, because I had the question before.
If you have a particular MR use case in mind based on your own needs, feel free to expose it here.