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Compare Iceberg, Delta Lake, and Hudi. How would you choose an open table format?

All three give you ACID on object storage, but they were built for different problems. The signal is matching the format to the workload (engine neutrality, Spark-native ACID, or streaming upserts) rather than naming a favorite.

Updated Aug 2026 · Grounded in real Applied AI Engineer interview loops and written to a senior-engineer editorial bar.

All three give you ACID on object storage, but they were built for different problems. The signal is matching the format to the workload (engine neutrality, Spark-native ACID, or streaming upserts) rather than naming a favorite.

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