Apache Arrow Flight and ADBC, and Why Database Connectivity Finally Went Columnar
August 06, 2026Cross-posted. This article’s canonical home is iceberglakehouse.com. A data scientist runs a query against a warehouse. The engine finishes…
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Building Apache Iceberg Lakehouses That Run Without an Internet Connection
August 04, 2026How to build an Apache Iceberg lakehouse that runs fully offline: storage, catalog, compute, cross-zone transfer, compliance, and the failure modes that bite.
Reading the Apache Iceberg V4 Proposals Before They Land
August 04, 2026A field guide to the Apache Iceberg V4 proposals: adaptive metadata trees, single-file commits, typed statistics, column families, and what is safe to build on today.
How Iceberg V3 Deletion Vectors Fixed Merge-on-Read for Streaming Tables
August 04, 2026How Iceberg V3 deletion vectors replaced accumulating positional delete files and made merge-on-read viable for streaming and CDC tables.
How Iceberg V3 Variant Shredding Changed Semi-Structured Data on S3 Tables
August 04, 2026How Iceberg V3's Variant type and Parquet shredding turn JSON columns into prunable typed columns, with real benchmark tradeoffs and a migration path.
Building an Honest TCO Model for Open Lakehouses and Proprietary Warehouses
August 04, 2026An honest TCO framework for open lakehouses versus proprietary warehouses: five cost categories, measured numbers, sensitivity analysis, and where each side still wins.