Hadoop Interview questions


Total available count: 27
Subject - Apache
Subsubject - Hadoop

What are the possible operations on RDD?

Resilient Distributed Datasets (RDD) support two kinds of operations they are as follows:

  • Transformations - lazy operations that return another RDD.
  • Actions - operations that trigger computation and return values.



Next 5 interview question(s)

1
How do you define RDD?
2
How can you define SparkConf?
3
How do you define SparkContext?
4
Why both Spark and Hadoop needed?
5
Why Spark, even Hadoop exists?