Delta Lake 4.4 vs 4.3: The Spark 4.2 Upgrade Trap
Delta Lake 4.4 defaults to Spark 4.2 and breaks delta-iceberg compatibility. What changes with identity columns, VOID types, and Unity Catalog metric views.
Streaming Trade Data into Iceberg: 2026 Architecture for Fintech
An Iceberg-first architecture for streaming trade data — Kafka Tableflow, compaction, time travel for surveillance, and cost trade-offs.
Iceberg Catalogs: Polaris vs Nessie vs Unity Comparison (2026)
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.
Iceberg vs Delta Lake vs Hudi: Lakehouse Table Format ADR (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.