Parquet v2: Performance Gains vs. Ecosystem Adoption Hurdles
2025-08-25
Parquet version 2 offers significant performance improvements, reducing file sizes and speeding up read/write times, especially for datasets with many numeric values. However, limited ecosystem support means many tools remain incompatible, hindering the realization of these gains. The author encountered compatibility issues firsthand, highlighting that v2's advantages primarily benefit self-contained systems, while third-party integration remains challenging. While Parquet v2 shows performance improvements, its low adoption currently limits its practical benefits. Consider adopting the latest specification only if you control the entire data processing pipeline.
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