A popular interview question and a critical topic for all Databricks and Spark developers, how do you tune and optimize Spark queries? This video provides a conceptual understanding of where things can go wrong as a starting point to understanding performance tuning and optimization.
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Slides
https://github.com/bcafferky/shared/blob/master/DatabricksPerfTuning/lesson01_DatabricksPerfTuningIntro.pdf