Intermediate
Big Data & Data Engineering
Q43 / 100
What is "lazy evaluation" in Spark, and why is it beneficial?
Correct! Well done.
Incorrect.
The correct answer is A) Spark delays executing transformations until an action is called, allowing it to optimize the overall execution plan
A
Correct Answer
Spark delays executing transformations until an action is called, allowing it to optimize the overall execution plan
Explanation
By deferring execution, Spark can analyze the full chain of transformations and apply optimizations like predicate pushdown before running any actual computation.
Progress
43/100