I Rewrote Our Python Data Pipeline in Rust: 3 Hours to 4 Minutes, 40x Faster
A real-world case study of rewriting a Python data pipeline with Rust + DuckDB. From 3-hour daily ETL jobs to 4-minute runs, memory usage dropped from 12GB to 600MB, and server costs cut by two-thirds.
January 8, 2026 · 7 min · 1299 words · Rex