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Migrating 13,000 Iceberg Tables in 4 hours to Glue Catalog

Zach Wilson's avatar
Zach Wilson
Sep 17, 2025
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At midnight on September 16th, Jason Reid (data engineering advocate at Databricks) messages me on LinkedIn saying, “Tabular will be sunsetted in 24 hours. I hope you have migrated.” My lazy ass had not.

Panic immediately set in. I had 13,000 tables, 2,200 schemas and 3 terabytes of data managed by Tabular that my students had generated over the last tw…

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