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SRE

Operations → Reliability

SLO

A target level of reliability or performance for a service, usually measured over time.

Motivation

An SLO defines a target level of service reliability. It solves the problem of making reliability measurable and negotiable.

Mental model

An SLO turns “reliable enough” into a number tied to user experience.

Where it fits

SLO belongs to the Operations track, inside Reliability. It connects to nearby concepts through the graph relationships on this page and in the graph explorer.

Common mistakes

  • Setting impossible targets.
  • Measuring internal health instead of user-visible outcomes.
  • Ignoring error budgets.

Use the metadata panel or return to the graph to explore concepts that this one requires or relates to.