What is pair rdd in spark?
Explain Spark Executor
Is rdd type safe?
What are the libraries of spark sql?
What is Directed Acyclic Graph(DAG)?
How does spark rdd work?
What is dataframe api?
Explain various level of persistence in Apache Spark?
Which are the methods to create rdd in spark?
Explain about trformations and actions in the context of rdds?
Can you explain spark core?
Why is transformation lazy operation in Apache Spark RDD? How is it useful?
What is write ahead log(journaling)?
Explain what are the various types of Transformation on DStream?
What is spark dynamic allocation?