Joins with MapReduce by Buddhika Chamith.
From the post:
I have been reading up on Join implementations available for Hadoop for past few days. In this post I recap some techniques I learnt during the process. The joins can be done at both Map side and Join side according to the nature of data sets of to be joined.
Covers examples of different types of joins.
Is there a MapReduce source with a wider range of examples? Thinking it would be useful to have a fairly full set of examples for joins using MapReduce