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3 cards from this section. Quick, good the night before a test.
What is the role of the Driver Program in Apache Spark?
Think about what central control does in any system.
Define Lazy Evaluation in the context of Spark.
Consider how waiting to act can save resources.
What does the Driver Program do in Spark?
Think about what drives the workflow.
True or False: The DAG Scheduler in Spark can hold cyclic graphs.
What happens if you loop back in a process?
How would you explain the interaction between the Driver Program and Executors in a scenario where data processing needs to be done in real-time?
Think about how you might delegate urgent tasks in a fast-paced environment.
Given a set of data transformations in Spark, explain how Lazy Evaluation can potentially reduce execution time for a series of transformations followed by an action.
Consider a situation where a final assessment is needed before taking action.
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