What is azure spark?
Define MapReduce?
Define role of velocity in big data?
Explain plucktuple?
What is accumulator?
Can sqoop use spark?
Explain the core methods of a reducer?
What is IBM's simple explanation for Big Data's four critical features?
Types of Data Flow in Flume?
Difference between hive and impala?
What are the limitations of Hadoop?
Does diesel engine have spark plug?
What do you understand by unit and ()in scala?
Is map like a pointer?
What is ZooKeeper Client?