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petrizhang

HN member
Joined
Wed, Aug 05, 2026, 5:05 AM UTC
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Public activity
4 items

About petrizhang

https://petrizhang.github.io/

Recent public activity

  1. comment
    Comment #49220559

    [flagged]

  2. comment
  3. comment
    Comment #49218822

    Thanks! I’ll take a closer look at parquet-rs and see if I can prototype a fast path for fixed-size, non-null lists.

  4. comment
    Comment #49179092

    I ran into exactly this while profiling a Parquet-based vector index on DataFusion. The vectors all have a fixed dimension, but LIST decoding and rebuilding the Arrow arrays still …