Hadoop Interview questions


Total available count: 27
Subject - Apache
Subsubject - Hadoop

How many type of transformations exist?

RDD (Resilient Distributed Datasets) supports two variety of operations: transformations, which create a new dataset from an existing one, and actions, which return a value to the driver program after running a computation on the dataset.

Narrow transformations
Wide transformations




Next 5 interview question(s)

1
What is Preferred Locations?
2
How do you define actions?
3
What is the transformation?
4
What are the possible operations on RDD?
5
How do you define RDD?