You have a 99.9 percent SLO target. Your team is on-call, paged for every 500 error, and deployments freeze because error rates are slightly elevated. Meanwhile, your feature velocity has ground to a halt.
Error budgets exist to break this cycle. They provide a clear, data-driven framework for deciding when to prioritize reliability and when to prioritize feature development. This guide covers what error budgets are, how to calculate them, how to implement them with Prometheus, and how to build an error budget policy your team will actually use.
An error budget is the maximum amount of time or number of failures your service can experience in a given period before violating its SLO.
Key Topics Covered
- Introduction
- What is an Error Budget?
- Calculating Error Budgets
- Implementing Error Budgets with Prometheus
- Burn Rate Alerts
Read the full article on DevToCash: https://devtocash.com/blog/error-budgets-sre-guide
Originally published at devtocash.com
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