This article will walk you through how to resolve the java.lang.OutOfMemoryError: PermGen space exception that can occur when you're trying to start Spark.
In this short article, we'll go over what Broadcast variables are, some of their uses, and how you should try and leverage them in your projects. We'll be covering topics like the broadcast join to keep your cluster from having to do too much work!
Thus far I haven't found a good project template for Apache Spark and it's been a repeated process to get it right. In this tutorial, I walk through a simple project template that I've created as an effort to help others get started with Apache Spark in Scala.