Cianplan

Level 4: Reliability, security & cloud · L4.1 Availability math & SLOs

SLIs, SLOs and SLAs

Write an SLI and SLO for a user journey.

12 min · Pro

What you take away

  • An SLI is a sentence, not a metric name: the proportion of valid events that are good, measured somewhere specific, over a stated window.

And 3 more inside the class, in Pro.

How the class is laid out

  1. The problem
  2. Write it as one sentence
  3. Check your understanding