What is the purpose of `coalesce` and `repartition` in PySpark, and when would you use each? 18. How do you handle large datasets that don't fit into memory in PySpark? 19. What is the difference ...
Data Engineering in a Minute #Day15 Cache vs Persist in PySpark When working with large datasets in PySpark, repeated computations can be expensive. That is where caching and persisting come into play ...