Garbage collection & JVM internals. Unique vs primary key. Clustered vs non-clustered indexes.
Big Data Engineer Interview Questions
1,228 big data engineer interview questions shared by candidates
hive query to select all columns with null as default from table
Can you describe some projects that you did at the university?
General and scenario based hadoop and spark questions
Two parts - working with API and an advanced SQL question
Some database related questions
Repartiton and colaesce, why we are going for shuffuling if any image processed data are incoming what you choose to process many spark sql questions
What new tech are you interested in?
When have you experienced failure?
First Round Experience He asked me 2 SQL Questions(Questions were based on Join and group byAlso asked to write same code in pyspark) and few basic spark questions like cache and persist, reparation and coalesc, RDD, Dataframe and dataset difference. I cleared first round and HR again scheduled second round Second Round: 2 SQL questions which was based on joins and union, union and union all difference, RDD vs Dataframe vs Dataset, Repartition and coalesce,Spark Architecture, Hive and other project related and basic questions. I cleared second round as well then HR scheduled next round which is HR round. HR round: Introduce yourself, What I know about Impetus, Why changing job and walked me through company info and CTC breakdown. She has some budget constraints or approval constraints so not sure why they called and conducted this whole process.
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