Notes from on call

Planned downtime should not surprise anyone. Here is how to announce maintenance so customers know before it starts.

Averages hide the requests your users actually notice. Here is how to read p50, p95 and p99 response times.

Define your monitors, alerts and status pages next to the infrastructure they watch, with the Navy Terraform provider.

Cron jobs fail without making a sound. Heartbeat monitors tell you when a job did not run, ran late or never finished.

Customers do not need every detail during an outage. They need clear, regular and honest updates. Here is what to write.