IDEAS, DECISIONS & LESSONS
Notes on AI, architecture and building useful products.
3 articles
20 Sep 2026 · 4 min read
architecture
Inngest's postmortem on a September 18 outage traces the exact 40-minute path from one cascading DELETE to PgBouncer refusing every new connection. The timestamps are the whole lesson.
Read more10 Aug 2026 · 5 min read
cloud
PostgreSQL 19 Beta 2 ships parallel autovacuum, in-core online REPACK, and in-core plan advice. Here's what a production-minded technical lead needs to know before touching the beta, with real SQL and config examples.
Read more02 Mar 2026 · 9 min read
architecture
PostgreSQL, MongoDB, Redis, DynamoDB — when do you use what? Two tech leads break it down with filing cabinet analogies, real use cases, and zero religious wars.
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