03 / NOTES FROM THE FIELD

Learn it. Build it. Write it down.

Practical engineering notes, written as I work through the details. Queries, pipelines, Python, and the trade-offs behind them.

ESSAYS, GUIDES & ENGINEERING NOTES

23 Feb 20269 min

Learn how to speed up Postgres queries with B-tree indexes, table partitioning, and EXPLAIN ANALYZE. Step-by-step with real Python code.

23 Feb 202610 min

Learn how to build reliable ML feature pipelines in Python: ingestion, transformation, storage, and serving — with Docker and pytest.

23 Feb 202611 min

Profile Python pipelines, replace slow loops with NumPy vectorization, and safely parallelize I/O with ThreadPoolExecutor. Step-by-step with Docker.

Big Data & Software Engineering,one post at a time.