petrizhang

5 ms·

1. 1.▲
   by petrizhang 1mo ago

   Thanks! SQLite with ranges is a pretty neat approach too. It’s great to see more people exploring browser-native databases.
2. 2.▲
   by petrizhang 1mo ago

   Not exactly. DuckDB itself does not have native vector index support; the vector search functionality comes from extensions such as VSS, which use their own index format. Those indexes are managed by DuckDB and are not designed to be shared
3. 3.▲
   Show HN: ParqDB – Vector search in the browser from Parquet over HTTP"(search.parqdb.io)

   26 points by petrizhang 1mo ago|4 comments
4. 4.▲
   Show HN: ParqDB – No query server. Vector search in the browser(search.parqdb.io)

   2 points by petrizhang 1mo ago|0 comments
5. 5.▲
   by petrizhang 2mo ago

   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.
6. 6.▲
   by petrizhang 2mo ago

   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 showed up as a significant CPU cost. Have you looked at whet