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Real questions from top companies in Spark/Big Data · hard
Walkthrough Spark's architecture, focusing on driver, executors, and DAGs
What are Spark optimizations, and can you explain them?
What are the challenges of implementing real-time analytics using Spark Streaming?
What are the key properties of Delta Lake that differentiate it from traditional data lakes?
What happens if the checkpoint location is accidentally deleted?
What insights can you gather from the DAG visualization in Spark UI?
What is Predicate Pushdown and AQE with Example
What is a serializer in Spark?
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