SLO - Service Level Objective
Version 1.0.0 · Updated 2026-07-30
CORE DEFINITION
A specific quantitative target for service reliability (e.g., "99.9% of requests respond within 200ms"). Importantly, SLO acknowledges that "100%" is impossible and not cost-effective.
SCAFFOLDING EFFECT
Reduce cognitive load
Accept imperfection. Set SLOs for yourself instead of perfectionist standards. For example, "keeping the home 80% tidy" is an SLO; once achieved, stop housework and use remaining energy for more valuable things.
Anchor fast decisions
SLO: Internal target metrics set by the service provider (e.g., 99.9% monthly availability), serving as the basis for SLA and error budgets. The mechanism is to quantify "good enough" into monitorable thresholds.
MINIMUM ACTION
In progress 0/2Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Service-level_objectiveverified
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