Alex Merced's Data, Dev and AI Blog

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Data Engineering, Lakehouses, and the Future of AI

Welcome to my digital garden. This is where I share my deep dives, tutorials, and thoughts on the evolving data landscape.

As the Head of Developer Relations at Dremio and author of Apache Iceberg: The Definitive Guide, Apache Polaris: The Definitive Guide, and Architecting an Apache Iceberg Lakehouse, my mission is to make complex data architectures accessible to everyone.

What You'll Find Here

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Automating Table Maintenance Before Small Files Accumulate

Automating Table Maintenance Before Small Files Accumulate

Sun May 24 2026

Learn how Databricks Predictive Optimization, AWS S3 Tables, and Iceberg native actions automate compaction and snapshot management before small files degrade performance.

Choosing the Right Iceberg Control Plane: Polaris vs. Unity Catalog vs. Cloud REST

Choosing the Right Iceberg Control Plane: Polaris vs. Unity Catalog vs. Cloud REST

Sun May 24 2026

Choosing an Apache Iceberg catalog? Compare open-source Apache Polaris, open Unity Catalog, and managed cloud REST control planes to unify your lakehouse.

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