• From 4.5GB to 221MB: A Story about Parquet

  Sep 3, 2025

  Downloaded a 4.5GB JSONL file from S3, converted it to Parquet, and it shrunk to 221MB. Here's what's actually happening under the hood.

• Slash Your ts-jest Test Times With This

  Apr 3, 2025

  Found a simple ts-jest tweak that cut our test suite time down by over 10 minutes. You might want to try this.