Patterns for Postgres Traffic Control
Apr 2, 2026Josh Brown

Summary
This post provides practical Go code examples for implementing PlanetScale's Traffic Control feature. It details how to use SQLCommenter for tagging queries with context like service roles, HTTP routes, deployment tags, and subscription tiers. It also shows how to manage background jobs and scripts by setting distinct `application_name` values in connection strings. The post elaborates on the patterns for isolating traffic, managing risk during deployments, and enforcing tier-based limits.