What are the advantages of using mapreduce with hadoop?
What is difference between cache and persist in spark?
Difference between external table and internal table in HIVE ?
What is Cassandra-CQL collection?
What is mapper in map reduce?
How do you handle compression in pig?
Can we run unix shell commands from the hive? Give example?
Which command do we use to insert data in HCatalog?
Can you join multiple fields in apache pig scripts?
How can native libraries be included in yarn jobs?
Explain textFile Vs wholeTextFile in Spark?
What are the complicated steps in Flume configurations?
Which one is better hadoop or spark?
What is a difference between an input split and hdfs block?
How does Cassandra delete data?