Spark 1.6 to Spark 2.4 Refactoring

Because Spark 1.6 is not supported on CDP, you need to refactor Spark workloads from Spark 1.6 on CDH or HDP to Spark 2.4 on CDP.

This document helps in accelerating the migration process, provides guidance to refactor Spark workloads and lists migration. Use this document when the platform is migrated from CDH or HDP to CDP.