Quick introduction and getting started video covering Apache Spark.
This is a quick introduction to the fundamental concepts and building blocks that make up Apache Spark
Video covers the following:
Introduction to Apache Spark (ie What is Spark?)
Spark Abstractions & Concepts (RDD, DAG, SparkContext, Transformations, Actions)
Spark Components (Driver, Worker, Executor, Cluster Manager)
for further details see http://spark.apache.org/