Service level objective (SLO) guides

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Service level objectives (SLOs) are key to ensuring reliable service performance. They define a target level for service uptime or other performance indicators, helping you track reliability and meet user expectations. These guides provide practical advice and real-world examples to help you create, manage, and optimize your SLOs.

Select a guide to begin implementing effective SLOs for your services:

SLI aggregations

Understand how large metric datasets are downsampled to highlight key insights.

SLO calculations

Explore SLO setup: metric types, error budget calculations, and time windows.

SLO objective unique identifier

Read about the name identifier, its requirements, and limitations.

Budgeting method: occurrences

Learn how good and bad events impact your SLO's error budget calculation.

Budgeting method: time slices

Understand the bad minutes impact on SLO error budget and the role of good minutes.

Time windows: calendar-aligned

Discover how calendar-aligned windows provide a broad view of system performance.

Time windows: rolling

Explore how rolling time windows streamline real-time system performance insights.

Reliability calculations

Explore reliability recovery with different time windows and budgeting methods.

SLO sensitivity to incidents

Learn how choosing the right budgeting method impacts SLO sensitivity to incidents.

Editing SLOs

Need to fine-tune an SLO? Understand the impact of modifications.

Search and filter SLOs

Explore the ways to search and filter SLOs and discover how filter combinations work.

Useful links

For a more in-depth look, consult additional resources:

Data source integrations available in Nobl9Data source referenceSLI AnalyzerSLI Analyzer guideReplayReplay guideAlertingAlerting in Nobl9Composite SLOsComposite SLOs guideReportsReports in Nobl9Service Health dashboardNobl9 features