A 3-day bug hunt on a 3-person team costs up to β¬7,200 in lost engineering time. This workshop teaches you to prevent that β unit tests, data tests, and integration tests for PySpark and Databricks Lakeflow, including Spark Declarative Pipelines.
In October I published the post about Partitioning in Spark. It was an introduction to the partitioning part, mainly focused on basic information, as partitioners and partitioning transformations (coalesce and repartition). This time it's a good moment to take other partition points up.
