📰 Dev.to · Alex Merced

Apache Data Lakehouse Weekly: July 16 to July 23, 2026

The File Format Renaissance: Parquet, Lance, Vortex, Nimble, BtrBlocks, and the New Physics of Columnar Storage

The Who, What, and Why of Semantic Layers: The Layer That Decides Whether Your Numbers Can Be Trusted

The State of Apache Polaris in July 2026: From Incubating Catalog to the Governance Layer of the Open Lakehouse

The State of Streaming to Apache Iceberg in July 2026: Every Path, Its Latency, and What to Do When Seconds Are Not Fast Enough

The State of Apache Iceberg v4 in July 2026: What the Dev List Tells Us About the Format's Next Chapter

Delete Files vs Deletion Vectors in Apache Iceberg: How V3 Rewrote the Economics of Changing Data

The Variant Type in Apache Iceberg: How Shredding Turns Messy JSON Into Fast Analytics

Apache Data Lakehouse Weekly: June 17 to June 24, 2026

Apache Data Lakehouse Weekly: June 4 to June 11, 2026

Why Dremio's Value Is Unique to Apache Iceberg Lakehouses and Agentic Analytics

Single-Node Data Engineering: DuckDB, DataFusion, Polars, and LakeSail

An In-Depth Overview of the Apache Iceberg 1.11.0 Release

Semantic Layer Best Practices: 7 Mistakes to Avoid

How a Self-Documenting Semantic Layer Reduces Data Team Toil

Migrating to Apache Iceberg: Strategies for Every Source System

Hands-On with Apache Iceberg Using Dremio Cloud

Approaches to Streaming Data into Apache Iceberg Tables

How Data Lake Table Storage Degrades Over Time

Headless BI: How a Universal Semantic Layer Replaces Tool-Specific Models

Data Virtualization and the Semantic Layer: Query Without Copying

What Are Lakehouse Catalogs? The Role of Catalogs in Apache Iceberg

Partition Evolution: Change Your Partitioning Without Rewriting Data

Performance and Apache Iceberg's Metadata