Changes

This is a supplementary to the presentation for those who want an in depth walk through of the concepts and code. The presentation focused on an introduction to the technical and practical aspects of Spark and these notes will focus on the same.

Spark is Big Data framework for large scale data procesing. It provides an API centred on a data structure called the Resilient Distributed Dataset (RDD). It provides a read only, fault tolerant multiset of data items distributed over a cluster of machines. High-level APIs are available for Scala, Java, Python, and R. This tutorial focuses on Python code for its simplicity and popularity.

[[File: rdd-lineage-graph.png]]

val r00 = sc.parallelize(0 to 9)

val r01 = sc.parallelize(0 to 90 by 10)