Breaking Down Python 3.13’s Experimental Free‑Threading Mode
The year the GIL blinked. With Python 3.13, CPython gained an experimental “free‑threading” build that can run threads truly in parallel on multiple cores. I...
Recent posts
Parts, Not Pages: A Mental Model for How ClickHouse Stores Data
If you’ve used ClickHouse for more than ten minutes, you’ve probably seen mysterious words in system tables and error messages: parts, granules, marks, mutat...
Adding a Column in ClickHouse, Deeply: What Actually Happens and What to Consider
“It’s just one more column.” Famous last words.
Achieving Sub‑Second Data Syncs: The Performance Engineering Behind PeerDB
How do you move fresh data from PostgreSQL into analytics systems, queues, and storage engines in hundreds of milliseconds, not minutes? This post walks thro...
How We Handle Schema Evolution in Real‑Time Data Pipelines with PeerDB
When your product team renames a column at 2:07 a.m., will your analytics still be green at 2:08? This post is about making sure the answer is “yes.”