I wanted to peek at AWS Parquet files as CSV in the browser, so I built a tool
TL;DR Working in AWS S3 / Athena, I constantly wanted to quickly inspect a Parquet file...
Jul 16, 20263 min read1 reactions0 comments
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Jul 12, 2026Running Ad-Hoc Video Analytics with DuckDB on Parquet Exports
How I run 90-day video analytics over Parquet exports with DuckDB — no warehouse, no server. Covers
Jul 12, 202610 min read0 reactions0 comments
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Jul 8, 2026Running Ad-Hoc Video Analytics with DuckDB on Parquet Exports
How we moved cross-region video analytics off SQLite onto DuckDB querying partitioned Parquet export
Jul 8, 20269 min read0 reactions0 comments
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Jul 6, 2026How I Query Millions of Video Rows with DuckDB Over Parquet Exports
How I run ad-hoc video analytics without a warehouse: export SQLite to partitioned Parquet, query it
Jul 6, 202610 min read0 reactions0 comments
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Jul 4, 2026Running Ad-Hoc Video Analytics on Parquet Exports With DuckDB
How I run ad-hoc video analytics by exporting SQLite to Parquet and querying it with DuckDB — predic
Jul 4, 20268 min read0 reactions0 comments
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Jul 9, 2026How to Handle Big Data Files in C# with Parquet.NET
Throughout this tutorial we will use Parquet.NET to help us read and write Parquet files. For reading...
Jul 9, 20266 min read0 reactions0 comments
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Jun 17, 2026Effortless Data Migration: How to Export from PostgreSQL and Load into S3 as Parquet with Sling
Last updated: June 2026 Introduction In today's data-driven landscape, efficiently...
Jun 17, 20268 min read1 reactions1 comments
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Jun 13, 2026Querying Video Analytics Parquet Exports With DuckDB Instead of a Warehouse
How we replaced notebooks and a warehouse with DuckDB for ad-hoc video watch-time analytics on parti
Jun 13, 20269 min read0 reactions0 comments
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Jun 8, 2026Running Ad-Hoc Video Analytics on Parquet Exports with DuckDB
How we run heavy ad-hoc analytical queries over tens of millions of viral-video snapshots by exporti
Jun 8, 202610 min read0 reactions0 comments
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May 10, 2026When does Iceberg beat Parquet+projection on AWS Glue, and when doesn't ?
Why this project I built this repo because I didn't have one of this kind yet and,...
May 10, 202612 min read0 reactions0 comments
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Jan 13, 2026Comparison of Apache Parquet and Apache Arrow
Apache Parquet A column-oriented file format designed for efficient storage and querying...
Jan 13, 20263 min read0 reactions0 comments
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Jan 12, 2026Save on DuckDB + S3 Transfer Costs
TL;DR Use Cloudflare R2, or run DuckDB on EC2 in the same region as your S3 bucket with...
Jan 12, 20264 min read0 reactions0 comments