Fast drilldown dashboards from a single Parquet file on R2
v3gas · hn · 2026-08-24
A technical post shows how to build fast drill-down customer dashboards from a single Parquet file hosted on R2, skipping a traditional database and query backend.
- Data lives as one Parquet file on Cloudflare R2, read via HTTP Range requests
- hyparquet parses Parquet metadata and row groups in the browser, enabling interactive drill-down with zero server cost
- Best suited for medium-sized, infrequently updated analytics dashboards
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