Spark Adaptive Query Engine (AQE) - all the details you need to know
Spark Adaptive Query Engine - what problems it solves and how it works in detail.
2024-02-20   15 min   theory 6 performance 3

Spark join strategies
Spark join strategies
2024-01-22   16 min   theory 6 performance 3

Cache and persist - why and how
Improve execution speed by caching/persisting intermediate dataframes
2023-11-18   16 min   guide 12 performance 3