Blog on Jon St.John

Building This Site: Hugo, Go, and Cloud Run

Tue, 11 Aug 2026 00:00:00 +0000

This site is static content generated by Hugo and served by a small Go binary, packaged into a container and deployed to Cloud Run. No framework, no server-side rendering at request time — just a build step and a file server.

CockroachDB Multi-Region: Picking the Right Survival Goal

Tue, 14 Jul 2026 00:00:00 +0000

One of the first design decisions you’ll make when deploying CockroachDB across multiple regions is choosing a survival goal. It sounds like a small setting, but it quietly determines how your cluster behaves during a region outage — and how much latency you pay for that guarantee on every write.

Debugging Transaction Contention in CockroachDB

Tue, 02 Jun 2026 00:00:00 +0000

Transaction contention is usually invisible until it isn’t — throughput looks fine, then a handful of hot rows turn into a queue of blocked transactions and your p99 latency falls off a cliff. CockroachDB ships good tooling for this, but it’s easy to miss if you don’t know where to look.