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Real questions from top companies in Spark/Big Data
Accumulators - use as shared variable for write-only operations
Adaptive Query Execution (AQE): Discuss how AQE optimizes query execution in Spark dynamically based on runtime stats.
After cleaning, how would you store the transformed data into Delta Lake?
Alternatives to the Medallion Architecture
Apache Spark Architecture - RDD, DAG, cluster manager, driver node, worker node
Apache Spark Fundamentals - discuss
Apache Spark Fundamentals - failures, job optimization, resource utilization
Approaches to handling multiple tasks within a sprint?
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