Spark wikipedia topRank Overview TL;DR cd src/exoETL gradle shadowJar cd build/libs java -jar exo-all-0.0.1.jar --dateHour 20190815 10 Development Core pre-requisites If using local IDE: Java 1.8 Scala 2.11 Spark 2.3.0 (IntelliJ IDEA 2019.2 (Community Edition))