Simon Willison’s Weblog

24th August 2026 - Link Blog

Draft: This is a draft post. Please do not share this URL with anyone else.

Fast drilldown dashboards from a single Parquet file. I'm a bit of a connoisseur of clever HTTP range header tricks, and this is a particularly fine example of the genre.

Posted 24th August 2026 at 2:47 pm

Recent articles

The Pelican comparison grid for Astra is pretty interesting - 4th September 2026
OpenAI's rogue agents were caught communicating via public wikis - 4th September 2026
Claude's new system prompt really doesn't want to reproduce song lyrics - 2nd September 2026

This is a link post by Simon Willison, posted on 24th August 2026.

parquet 14 http-range-requests 13

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