Table Formats

The function of a table format is to determine how you manage, organize and track all of the files that make up a table. You can think of it as an abstraction layer between your physical data files (written in Parquet or ORC etc.) and how they are structured to form a table.
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Project Nessie: Transactional Catalog for Data Lakes with Git-like semantics

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Lessons Learned From Running Apache Iceberg at Petabyte Scale

How to maintain Iceberg tables in their optimal shapes while running at petabyte scale.

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Covering Indexes in the Data Lake with Hyperspace

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