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Provide a brief history of Spark? How is Spark better than MapReduce? What is a Spark RDD? What is the meaning of a lazy evaluation
- Provide a brief history of Spark?
- How is Spark better than MapReduce?
- What is a Spark RDD?
- What is the meaning of a "lazy evaluation" and what are its benefits?
- What are transformations and actions? Give examples of some transformations and actions.
- How does Apache Spark compare to Apache Flink?
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DB2 Universal Database V7.1 Application Development Certification Guide
Authors: Steve Sanyal, David Martineau, Kevin Gashyna, Michael Kyprianou
1st Edition
0130913677, 978-0130913678
