Spin Up An Apache Spark Cluster: Howto In 5 Minutes

This flash tip aims to provide the reader with the information required for spinning up an Apache Spark cluster
Spark SQL: Partitions and Sizes

Data fetching parallelisation in Apache Spark through Spark SQL / JDBC.
PartitionColumn, lowerBound, upperBound, numPartitions and a lot of other parameters: how do they work?