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.
Often we think that if something is from "concurrent" package, it's automatically thread-safe. By definition is true, but the definitions rarely make the applications and through this post we'll see why.
