Spark

• What is Spark

  • A unified analytics engine for large-scale data processing.

• What is Sparkcontext?

  • It's spark application container.

    • It takes configuration to start with spark working environment.

    • In Apache Flink, it is "Environment".

    • It's similar the Springboot. You need to have something like the following to start with.

        SpringApplication.run(DemoApplication.class, args);