Topic
catalogs
6 posts tagged “catalogs”.
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Running Apache Polaris in Production
Apache Polaris past the quickstart: persistence backends, realm bootstrap, replica token signing, upgrades, backups, and which failures take the lakehouse offline.
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Serving Iceberg Tables From Two Regions
Three multi-region topologies that work and one that mostly does not, what an Iceberg commit costs across regions, and where the catalog has to live.
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Metadata Platforms in 2026: DataHub, OpenMetadata, Atlan, and Catalog Convergence
How the technical catalog and the metadata platform are converging in 2026, and how to arrange the two layers for a lakehouse.
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Moving Iceberg Tables Between Catalogs Without Rewriting Data
Why moving Iceberg tables between catalogs is a pointer copy, and the protocol that makes a cutover safe for one table or thousands.
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Who Actually Owns an Iceberg Table? Managed, External, and the New Vocabulary of Lakehouse Control
Managed and external Iceberg tables mean different things on every platform. Five ownership dimensions and a translation method for vendor vocabulary.
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Decoupled Catalogs vs. Managed Tables: Architectural Freedom in the Age of Table Format Convergence
Open table formats have changed buyer expectations. A few years ago, the question was whether an organization should put more analytical data into...