Create an Apache Spark cluster using Raspberry Pi 2 Nodes
Everyone talks about Spark in the context of "Big Data", but I've been having fun with it on a tiny platform: Raspberry Pi 2 (RP2) micro computers! Though the specs of the RP2 are modest, you can easily run Spark on a single node ... but where&
Spark Word Count
In the world of Big Data, your first program isn't "Hello, World!", it's Word Count, because it's easy to understand and conceptualize. In Java MapReduce, this would take about 4 pages of code. In Scala/Spark, it can be done in a