What is hash collision and how to avoid it?
Big Data Developer Interview Questions
275 big data developer interview questions shared by candidates
Basic Optimisation Techniques for Hive and Spark.
Behavior interview and technical panel interview
Q1. Related to last project work and used technology.
Spark architecture
Most of the questions were from Java, Hbase, Mapreduce and Yarn. There was a case study in which Highest salary was to be found from a given set of data using Mapreduce or Spark.
all basic java and big data questions
MR,Spark, scala ,hive, sqoop related questions
As you to write quey for implementation of rank, dense rank and partition by use cases using spark. difference between coleasce and repartition, difference between rdd, dataset and dataframe, persist beneift
Hive partitioning and bucketing with scenarios
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