http://tywr.github.io/tags/data-engineering/ Recent content in Data-Engineering on tywr Hugo en-us Mon, 10 Aug 2026 00:00:00 +0000 http://tywr.github.io/notes/20260810-data-observability/ Mon, 10 Aug 2026 00:00:00 +0000 http://tywr.github.io/notes/20260810-data-observability/ Every table we produce automatically gets a stats file; assertions on those stats decide whether the data passes to the next step. This post describes the homemade framework that gave us data observability.