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Polars vs Pandas 2.0 vs DuckDB: Arrow In-Memory Computation & Multi-Threaded DataFrames

This story is from 2026-10-30. It is preserved in the archive; the latest stories are on the live feed.

Polars vs Pandas 2.0 vs DuckDB: Arrow In-Memory Computation & Multi-Threaded DataFrames Executive Summary & Decision Matrix All three engines now speak Apache Arrow, but they occupy fundamentally different points in the execution-space: Pandas 2.0 is a single-threaded, block-manager-backed library…

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  1. 2026-10-30 22:23 · DEV Community — AI
    Polars vs Pandas 2.0 vs DuckDB: Arrow In-Memory Computation & Multi-Threaded DataFrames

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