MotherDuck(@motherduck):DuckDB 2.0 alpha reads Parquet and CSV from S3 2x to 3x faster, with zero query changes. 1.5: each worker downloads, waits, decodes, repeats. 2.0: a download pool fetches ahead, workers only decode. Same laptop, same query: 18.8 s to 7.7 s. On by default. Full numbers, plus recursive CTEs and VARIANT:

MotherDuck

@motherduck

The data warehouse built for getting answers from your data. Works with AI agents and SQL. Built in collab with @ducklabs_com

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MotherDuck@motherduck

2026.09.13 15:00

DuckDB 2.0 alpha reads Parquet and CSV from S3 2x to 3x faster, with zero query changes. 1.5: each worker downloads, waits, decodes, repeats. 2.0: a download pool fetches ahead, workers only decode. Same laptop, same query: 18.8 s to 7.7 s. On by default. Full numbers, plus recursive CTEs and VARIANT:

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