Alex Merced • 9/2/2025

Hidden Pitfalls — Compaction and Partition Evolution in Apache Iceberg

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This technical article details the hidden pitfalls of partition evolution in Apache Iceberg, specifically how changing partition specs over time can negatively impact compaction jobs and query optimization. It provides concrete examples and actionable best practices, such as compacting within partition spec versions and using metadata tables, to safely manage evolution and avoid performance degradation.

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#Metadata Management #Apache Iceberg #Data Lakehouse
Hidden Pitfalls — Compaction and Partition Evolution in Apache Iceberg

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