What is the purpose of the cache() function of an RDD in PySpark?
To persist the RDD in memory across operations.
To delete the RDD from memory.
To free up memory used by the RDD.
To copy the RDD to a different cluster node.
None of these
Correct answer
To persist the RDD in memory across operations.
Question 17 of 26 in the IIT Madras BS Introduction to Big Data (Intro to Big Data) Quiz 2 paper sat on 3 Dec 2023, in the September 2023 term (IIT M DEGREE AN2 EXAM QDB2 03 Dec 2023). It carries 1 mark.
