Juliane Waack

Software Engineer, Snowflake

Juliane is a Software Engineer in the Snowflake Berlin office, where she works on accelerating query performance by extending Snowflake’s pruning capabilities as part of the Search team. She holds a M.Sc. from Hasso Plattner Institute, Germany.

Data Engineering

Pruning for Iceberg: 90% of an Iceberg Is Underwater

Learn how Snowflake optimizes Apache Iceberg table performance through advanced data pruning techniques across Parquet file layers.

Jan Kossmann|Juliane Waack|Shreya Agrawal

MAR 26, 2025|7 min read

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Juliane Waack

Pruning for Iceberg: 90% of an Iceberg Is Underwater

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