A Spark application contains several components, all of which exist whether you’re running Spark on a single machine or across a cluster of hundreds or thousands of nodes. Each component has a ...
Spark makes fewer assumptions than the other microframeworks introduced in this short series, and is also the most lightweight of the three stacks. Spark makes pure simplicity of request handling, and ...
The first thing you'll learn in this PostgreSQL and Java Database Connectivity (JDBC) tutorial is that most developers simply call it Postgres. The two terms are both interchangeable and official. Use ...