Integration of Hadoop with the Wolfram language

I wrote a couple of blog posts at Wolfram showing how Hadoop could be used from the Wolfram Language. In part 1 I summarized the MapReduce paradigm:

… and gave an overview of the Wolfram Language integration with the Hadoop framework:

In part 2 I described a MapReduce algorithm for aligning a query DNA sequence to a database of genomes residing in the Hadoop file system (HDFS):