Tag
merge-on-read
- Aug 20, 2026 Deletes, Tombstones, and the Append-Only Sink Object storage cannot delete a row in place, so removal becomes a recorded fact with a retention period, and every reader must agree on how to apply it. data engineering
- Aug 14, 2026 Delete Files and the Cost of Merge-on-Read How a row-level delete is expressed without rewriting a data file, what a reader must do to apply it, and why position-based deletes are cheaper than equality-based ones. data engineering