Field reference Updated
The numbers and practices SREs look up every week
A site reliability engineering (SRE) reference: downtime allowances, error budgets, burn-rate alerts, incidents and on-call. Short, sourced and calculated.
Tools
Reliability targets
- SLI vs SLO vs SLAWhat each term means, how they relate, and how to choose indicators and targets.
- Error budget policyWhat happens when the budget runs out, with a policy template you can adapt.
- Multiwindow, multi-burn-rate alertingWhy burn-rate alerts beat threshold alerts, the 14.4/6/1 parameters, and Prometheus rules.
Incidents
Operations
- On-call basicsRotation sizing, shift load, escalation, handoffs and keeping on-call sustainable.
- Toil: definition and how to reduce itThe six properties of toil, how to measure it, and what to automate first.
- Golden signals, RED and USEThree monitoring frameworks compared, with what to measure for services and resources.