The Lab Journal.
Practical field notes across data engineering, analytics engineering, machine learning, AI and the systems that connect them.
01Databricks · 5 min
What really happens when you hit Run?
Follow a Databricks job from orchestration to distributed execution—and learn where to look when it slows down.
04Databricks · 6 min
Unity Catalog is more than a permissions screen.
Understand the metastore, catalogs, schemas and securable objects as one governance hierarchy—not four unrelated settings.
05Databricks · 6 min
The Delta transaction log is the table's memory.
See how JSON commits, checkpoints and optimistic concurrency turn files in object storage into a reliable table.
06Databricks · 6 min
Declarative pipelines change what you operate.
Streaming tables, materialized views and expectations let you describe the desired data state while the pipeline manages execution.
03Databricks · 5 min
Bronze. Silver. Gold. But why?
Three layers are useful only when they represent three clear promises about your data.