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Questions tagged spark · hard
Given a streaming dataset from Kafka, how would you ingest the data in real-time using Spark?
How do you optimize Spark jobs for performance?
How would you implement a sliding window aggregation in Spark Structured Streaming?
Implement a Spark job to find the top 10 most frequent words in a large text file.
What are the key components of the Spark execution model (Job, Stage, Task)?
What is Spark's Catalyst Optimizer? Explain its stages.
What is the difference between Spark RDDs, DataFrames, and Datasets?
What is the small-file problem in Spark, and how do you solve it?
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