What are the parameters used to create keyspace in cassandra?
What do the master class and the output class do?
How can you compare Hadoop and Spark in terms of ease of use?
How to call impala built-in functions?
What are the use cases of Apache Pig?
List the functions of Spark SQL?
Explain how can you change a column data type in Hive?
What is a shuffle block in spark?
How many JVMs run on a slave node?
Explain how mapreduce works.
How did you debug your Hadoop code ?
Does Hadoop requires RAID?
What is the difference between leader and follower in kafka?
Does google use hadoop?
Explain SparkContext in Apache Spark?