Infosys Interview Question
Spark: Spark was asked in detail and question ranged from easy to medium hard level. RDD, Types of RDD, Dataframes, Datasets, how to implement them (by writing code on paper), optimization of spark code, application master and its functionality. Difference between Df and Datasets and which is better. Why dataframes are used if Datasets provide better functionality. Lot many things were also asked which I don't remember now
Interview Answer
Anonymous
Oct 29, 2017
I answered most of the questions and wrote sample codes on paper (not compilable version but basic framework how to write the code)