Dev Tools · 2h ago
Apache Iceberg Debates Dropping Equality Deletes in V4 Spec
The open lakehouse community debated removing equality deletes from Iceberg's V4 spec, citing high read costs and blocked CDC. Flink's conversion tooling for deletion vectors is now complete, enabling a shift. The week saw 268 messages across six dev lists, with Polaris and Iceberg leading discussions.
Meridian48 take
The debate highlights a classic trade-off between write simplicity and read performance, with the community betting on faster reads at the cost of more complex writes.
apache-icebergdata-lakehouse