- • Query replicas scale horizontally.
- • Catalog cache keeps routine reads off Metasrv.
- • Queries read immutable snapshots directly.
- • FILE rows store metadata, not video/model bytes.
- • SDK uploads and reads directly from its managed stage.
- • Query and Metasrv never become data proxies.
- • `iceberg` is a separate read-only SQL catalog.
- • The external catalog owns Iceberg snapshots and commits.
- • Lake registry and Iceberg metadata never merge.