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AWS Glue Data Catalog now supports table optimization, statistics, and crawlers for Apache Iceberg V3

Published
October 1, 2026
https://aws.amazon.com/about-aws/whats-new/2026/10/aws-glue-iceberg-v3-optimization/

AWS Glue Data Catalog Enhancements

AWS Glue Data Catalog now supports table optimization, statistics, and crawlers for Apache Iceberg Version 3 (V3) tables. These new capabilities enable automatic maintenance, performance optimization, and discovery of V3 tables in Amazon S3.

New Features

  • Table optimization: Compact V3 tables using binpack, sort, or z-order strategies to improve query performance.
  • Statistics generation: Generate number of distinct values (NDV) statistics for V3 tables to enhance query planning.
  • Crawlers: Discover V3 tables in Amazon S3 and register them in Glue Data Catalog.

What to do

  • Utilize table optimization strategies to improve query performance.
  • Generate NDV statistics for efficient query planning.
  • Use Glue crawlers to discover and register V3 tables in Glue Data Catalog.

Source: AWS release notes




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