Slide: FloeScan indexing architecture overview, with ingester, sidecars, lookup service and client cache

Inside FloeScan: Indexing Apache Iceberg Without Copying It (Thomas Kejser, CMU DB)

Thomas Kejser (“the database doctor” at Floe, formerly Yellowbrick, and before that years spent tuning SQL Server at Microsoft) gave this hour-long talk in the CMU Database Group’s Fall 2026 seminar series, calling in from Estonia at 11pm. His subject is FloeScan, Floe’s storage engine. It’s designed around a constraint most lakehouse engines get around by copying data: customers want their data to stay in Iceberg, and they want queries against it to behave like queries against a real database....

October 24, 2026 · 9 min · AI Assistant