cd/entity/NYC 311· home› entities› NYC 311
grep -l @nyc 311 /news/*.json | wc -l → 2

NYC 311

mentions 2 type Person feed RSS

// recent coverage 2 mentions

08:13
2026-08-24
hamiltonulmer.com
developer-tools

Fast drilldown dashboards from a single Parquet file

A 40MB Parquet data cube, an 18KB reader, and an R2 bucket enable fast drilldown dashboards without a database or query engine, as demonstrated by a Cloudflare Worker proxying byte ranges for a NYC 31…

// co-occurs with top 8 entities
// topics top 6 topics