Practice - RDD Operations: Transformations and Actions
Practice Questions
Test your understanding with targeted questions
What is an RDD?
💡 Hint: Think about how data is arranged and accessed.
Give an example of a narrow transformation.
💡 Hint: Consider operations that affect individual partitions.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is an RDD?
💡 Hint: Think about Spark's data structures.
True or False: Actions in Spark trigger computation and return results to the driver program.
💡 Hint: Consider what happens when an action is called.
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Challenge Problems
Push your limits with advanced challenges
Construct an RDD that calculates the average word length in a text file and explain your approach.
💡 Hint: Consider how to combine length counts and total words.
Discuss the limitations of using collect() on large datasets in production.
💡 Hint: Think about the relationship between the RDD size and driver memory capacity.
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Reference links
Supplementary resources to enhance your learning experience.