Compaction support for Avro and ORC file formats in Apache Iceberg tables in Amazon S3 In this post, we explore how Amazon S3 Tables has expanded its automatic compaction capabilities to include Avro and ORC file formats for Apache Iceberg tables, alongside the previously supported Parquet format. Through performance testing with over 20 billion events, the capability demonstrates significant query performance improvements ranging from 12% to 40% when using compacted tables compared to non-compacted tables across different file formats.
https://aws.amazon.com/blogs/b....ig-data/compaction-s