Hi,I would like to get some support in creating a Community User Group in Madrid, Spain. It would be nice to host events/meetings/discussions ...Regards,Ángel
My Tips:Disable Adaptive Query Execution (AQE).Significantly reduce spark.sql.shuffle.partitions (set it between 1 and the total number of available cores).Since unit tests typically process a small amount of data, using the default values for these ...
Sorry, "improve performance" is not accurate — in fact, it can significantly degrade the performance of many Spark applications. It's a feature that's enabled by default in open-source Spark, so its impact isn't limited to Databricks.
One of my most impactful "Aha!" moments this year was discovering how Adaptive Query Execution (AQE) in Apache Spark can significantly improve performance.This insight led me to write several articles on Medium, and one of the most important pieces i...
My passion lies in Spark internals, performance issues and what I like to call "exotic" errors—those weird and fascinating cases that stand out. This same year, I started writing Medium articles about some of these cases (https://medium.com/@angel.al...
