Sery / Blog
Notes from a private data network
Engineering deep-dives, strategy pieces, and product notes. Written by the people building it.
/blog/engineering
/preview-parquet-on-s3-without-downloading
Engineering
How to preview a Parquet file on S3 without downloading it
You don't have to pull the whole 1.4GB Parquet from S3 to see its schema. The Parquet footer is at the end of the file; HTTP range requests fetch it in milliseconds. Here's the technique, two ways to use it (Python, Sery Link), and the failure modes nobody tells you about.
panghe··7 min
/blog/strategy
/why-incumbents-cant-ship-our-wedge
Strategy
Why incumbents structurally can't ship Sery's wedge
Reviewers keep asking why we don't worry about cloud-AI incumbents. Here's the honest answer: single-vendor cross-document search and cloud-bound AI tools are different categories from a cross-vendor universal data gateway. The biggest platforms can't ship our shape without abandoning their lock-in business model.
panghe··5 min