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#optimization

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Apr 12, 2026 · 21 min read

How I Reduced a Petabyte Pipeline's Cost by 40%

Performance engineering at scale isn't about clever tricks — it's about understanding economics. A case study in Spark optimization, partition strategy, and thinking in dollars instead of milliseconds.

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Bruno Mentges de Carvalho

Senior Data & AI Engineer — Rio de Janeiro, GMT-3

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