build1 distinct publisher
Iceberg parks its kilobyte statistics in a Puffin sidecar the planner opens on demand
A distinct-value sketch is thousands of bytes and a delete bitmap has no fixed size, which is why Iceberg keeps both in a separate file, and why a bad join plan is a statistics problem rather than a rewriting one.
Publishers:dev.to
Reality
- Evidence62
- Adoption25
- Hype gap+12
- Incentives50