Writing

39 long-form articles on production engineering — how real systems fail, why, and what actually fixed them.

1 article matching “ACID”

Query OptimizationJul 15, 202613 min read

“The Money Was There When I Checked” — Transaction Isolation Levels and the Bugs Each One Lets Through

“We sold 3 tickets but only had 1.” The code is inside a transaction, looks right, works a hundred times locally, and only breaks in production under load.