Consumer hardware, columnar formats, single-node engines, and the Iceberg REST catalog crossed a threshold: a large share of cluster work now runs locally.
The Iceberg and Parquet specifications are co-evolving. Several of the most consequential Iceberg v4 proposals are waiting on Parquet work.
Residency is a storage location. Sovereignty is who can compel access, who operates the systems, and whether you can leave.
Iceberg table maintenance commoditized when every platform started shipping it. What the six operations are, what they cost, and the observability you.