Hadoop (4218)
Big Data General (104)
Big Data AllOther (3)
Explain the core methods of a reducer?
What is the purpose of context object?
Define a metadata?
Clarify what a task tracker is in hadoop?
How to create a custom key and custom value in MapReduce Job?
In a very huge text file, you want to just check if a particular keyword exists. How would you do this using Spark?
Define Partitions?
What are watches?
Is spark good for machine learning?
Is spark a special attack?
Explain the benefits of big data?
Is hadoop still in demand?
How to change the replication factor of data which is already stored in HDFS?
How do you define "block" in HDFS?
Is hive a nosql database?