Viewing profile — petrizhang
petrizhang
HN member- Joined
- Wed, Aug 05, 2026, 5:05 AM UTC
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About petrizhang
https://petrizhang.github.io/
Recent public activity
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Comment #49220559
[flagged]
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Comment #49218854
[dead]
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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.
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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 …