Watch the first few minutes on us! If you'd like to watch the entire video and hundreds more like it, download code samples, access offline videos and skills assessments, and use the discussion forums, log in or purchase a subscription.
MapReduce is one of the most important algorithms of our time. Its purpose is to allow large datasets to be processed in parallel using nodes in a compute cluster, and it is part of Hadoop's DNA. Learn how to use Hadoop and MapReduce to handle big-data workloads locally in a VM or remotely on an Azure HDInsight cluster, and learn how to tame big data the Hadoop way.