Alex Merced • 7/22/2025

The Basics of Compaction — Bin Packing Your Data for Efficiency

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This technical article details the process of data compaction in Apache Iceberg, framing it as a bin-packing problem to merge small files into larger ones. It covers why compaction matters for query engines, how standard compaction works, provides a Spark code example, and offers tips on when and how to run compaction jobs effectively.

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#Spark #Apache Iceberg #Data Compaction
The Basics of Compaction — Bin Packing Your Data for Efficiency

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