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Interview Questions

Real questions from top companies in Spark/Big Data

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All CategoriesBehavioralSpark/Big DataSQLPython/CodingSystem Design/ArchitectureCloud/ToolsGeneral/Othereasymediumhard
1

What strategies would you use to optimize Spark jobs for both performance and cost on AWS?

Spark/Big Datamedium
2

What strategies would you use to reduce latency in a streaming data pipeline?

Spark/Big Datahard
3

What techniques ensure deduplication in large datasets?

Spark/Big Datamedium
4

What trade-offs would you consider when choosing between batch processing and real-time streaming?

Spark/Big Datahard
5

What's the difference between narrow and wide transformations?

Spark/Big Datamedium
6

When submitting Spark jobs, how does the process work in the backend? Explain.

Spark/Big Datahard
7

When would you choose a broadcast join over a shuffle join? Any memory risks?

Spark/Big Datamedium
8

Which Spark property controls the number of shuffle partitions?

Spark/Big Datamedium

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