Blog
Notes on things I'm building or trying to understand. Mostly ML, finance and Python.
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1 post tagged 's3'
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2026-04Why Reading Parquet from S3 Is Slow (Even In-Network) and What I Did Instead
S3 in-network reads still have a ~300ms latency floor. Downloading parquet files to ephemeral disk at startup gave me local-disk speeds (~3ms) for free on Railway.
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