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Questions tagged spark
Explain database drivers/connectors and their use cases.
Explain how Glue's Spark-based architecture handles data parallelism.
Explain how Spark groups transformations into stages. What causes a stage boundary?
Explain how Spark handles data partitioning and the role of shuffles in performance tuning.
Explain how Spark processes a 500GB file, covering memory allocation, shuffles, and spillovers to disk.
Explain how spark.read.format("delta").load() works
Explain how to overwrite a file stored in S3 using PySpark.
Explain how you would implement real-time analytics using a streaming platform like Kafka or Kinesis.
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