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Curated articles and resources for Apache Iceberg, Arrow, and Polaris.

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Alex Merced · 2025-09-24

The Ultimate Guide to Open Table Formats – Iceberg, Delta Lake, Hudi, Paimon, and DuckLake

Open table formats are no longer niche, they’re the foundation of the modern data stack. Whether your challenge is batch analytics, real-time ingestion, or simplifying…

Iceberg
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Alex Merced · 2025-09-23

The 2025 & 2026 Ultimate Guide to the Data Lakehouse and the Data Lakehouse Ecosystem

Looking ahead to 2026, the lakehouse is no longer just a central repository; it extends outward to power real-time analytics, agentic AI, and even edge inference.

Iceberg Polaris
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The OLake Team · 2025-09-04

Comparison of Delete Strategies in Apache Iceberg and Delta Lake

The world of data lake deletion formats might seem complex, but it’s really about solving a fundamental problem: how do you efficiently manage changing data at…

Iceberg
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Alex Merced · 2025-08-01

Optimizing Apache Iceberg for Agentic AI

Apache Iceberg provides a path to standardize data across the enterprise, bringing structure, scalability, and openness to data lakes. But standing up an Iceberg lakehouse…

Iceberg
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Alex Merced · 2025-09-08

Optimizing Apache Iceberg Tables – Manual and Automatic

Dremio Enterprise Catalog, powered by Apache Polaris, removes that burden by handling optimization automatically. It continuously analyzes your tables—watching for small-file buildup, oversized files, outdated…

Iceberg
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Alex Merced · 2025-08-22

The Growing Apache Polaris Ecosystem (The Growing Apache Iceberg Catalog Standard)

The momentum behind Apache Polaris is building quickly. By starting with the Apache Iceberg REST Catalog standard, it has inherited instant compatibility with a broad…

Polaris
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Alex Merced · 2025-09-12

What’s New in Apache Iceberg 1.10.0, and what comes next!

Apache Iceberg 1.10.0 represents a turning point in the evolution of the open lakehouse. With the general availability of format-version 3, Iceberg now offers a…

Iceberg
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Alex Merced · 2025-09-05

Looking back the last year in Lakehouse OSS: Advances in Apache Arrow, Iceberg & Polaris (incubating)

Over the last twelve months, the open lakehouse ecosystem has taken a decisive step forward. Three projects in particular, Apache Arrow, Apache Iceberg, and...

Arrow Iceberg Polaris
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Alex Merced · 2025-09-05

Scaling Data Lakes: Moving from Raw Parquet to Iceberg Lakehouses

When you save data, the format you choose makes all the difference. Think about it like keeping notes: writing them in a plain text file…

Iceberg