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Choosing an Apache Iceberg Catalog: Polaris, Gravitino, Unity, Lakekeeper and More

calendar_today September 10, 2026 person Alex Merced domain dremio

Choosing an Apache Iceberg catalog comes down to three questions, and the feature matrices most vendors publish do not help with any of them. Do you need more than one engine to write to the same tables? Do you need governance you do not control to be predictable?

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