What are the advantages of DataFrame?
Write the command to start and stop the spark in an interactive shell?
Explain keys() operation in Apache spark?
What is catalyst query optimizer in apache spark?
What is spark written?
How many partitions are created by default in Apache Spark RDD?
Why is spark used?
What is faster than apache spark?
What is a shuffle block in spark?
What is dag – directed acyclic graph?
What does repartition do in spark?
Is Apache Spark a good fit for Reinforcement learning?
Can you explain spark graphx?
Why do people use spark?
What is amazon spark?