Type All The Things!
Scala is statically typed. Yet we rarely use it to our advantage. For example let’s say you have a function with the signature: def convert(a: Double, b: Double): String Of course, the author hasn’t written a comment, and …
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spark
Spark on AWS EMR – The Missing Manual
Apache Spark recently received top level support on Amazon Elastic MapReduce (EMR) cloud offering, joining applications such as Hadoop, Hive, Pig, HBase, Presto, and Impala. This is exciting for me, because most of my workloads run on EMR, …
Debugging Apache Spark Jobs
Would you like to step through your Spark job in a debugger? These steps show you how to configure IntelliJ IDEA to allow just that. Unlike a traditional Java or Scala application, Spark jobs expect to be run …
Apache Spark on EC2
Its easy to get started with Apache Spark. You can get a template for a Scala job using the Typesafe Activator and have it running on a local cluster with a small dataset. You can also use a handy …