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Questions tagged partition · hard
Tell me about yourself and your experience.
What architecture are you following in your current project, and why?
Briefly introduce yourself and walk us through your journey as a Data Engineer so far.
Joins and window functions - INNER, LEFT, RIGHT, FULL OUTER, ROW_NUMBER(), RANK(), DENSE_RANK()
Can you explain the architecture of Apache Spark and its components?
Describe the difference between Spark RDDs, DataFrames, and Datasets.
What is the small-file problem in Spark, and how do you solve it?
How do you optimize Spark jobs for better performance? Mention at least 5 techniques.
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