Glossary term
What is SRE (Site Reliability Engineering)?
SRE stands for Site Reliability Engineering.
Applying software engineering to operations. Example: Google's SLOs, error budgets, postmortems.
Learn it properly · System DesignLesson 47: SLI, SLO, SLA & Error BudgetsProduct wants to ship daily; operations wants fewer changes; nobody agrees what “reliable enough” means. SLIs, SLOs and SLAs turn it into one number, and error budgets turn that number into a simple rule for when to move fast and when to slow down.