Apache Polaris vs Project Nessie vs Unity Catalog OSS — branching, multi-engine federation, AuthN/AuthZ, and the right Iceberg catalog for production lakehouses in 2026.
ADR-style comparison of Apache Iceberg, Delta Lake, and Apache Hudi for production lakehouses — consequences, trade-offs, migration paths, and a decision rubric for 2026.
Trino vs Presto vs Apache Spark for the lakehouse: MPP vs batch execution, latency, concurrency, Iceberg support, cost, and a decision matrix for query engines in 2026.