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Interview questions · medium
What is the difference between repartition and coalesce in Apache Spark?
What is the difference between partitioning and bucketing in Spark, and when would you use bucketing?
What strategies can you use to handle skewed data in Spark?
What is a window function? Explain with an example.
An existing job running longer suddenly: how to analyze the issue?
Shell commands for renaming a file?
Oozie join condition?
Partitioning a table with card details and transactions?
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