{"source":"semconv","version":"1.44.0","attribute":{"id":"service.criticality","type":"enum","enumMembers":[{"id":"critical","value":"critical","stability":"alpha","brief":"Service is business-critical; downtime directly impacts revenue, user experience, or core functionality."},{"id":"high","value":"high","stability":"alpha","brief":"Service is important but has degradation tolerance or fallback mechanisms."},{"id":"medium","value":"medium","stability":"alpha","brief":"Service provides supplementary functionality; degradation has limited user impact."},{"id":"low","value":"low","stability":"alpha","brief":"Service is non-essential to core operations; used for background tasks or internal tools."}],"stability":"alpha","brief":"The operational criticality of the service.","note":"Application developers are encouraged to set `service.criticality` to express the operational importance of their services. Telemetry consumers MAY use this attribute to optimize telemetry collection or improve user experience.","examples":["critical","high","medium","low"],"namespace":"service","definedIn":"model/service/registry.yaml","usedBy":[{"groupId":"entity.service","groupType":"entity","signalName":"service","requirementLevel":"recommended"}]},"history":[{"version":"1.40.0","publishedAt":"2026-02-19T17:50:21Z","kind":"first-seen","detail":"Added as development.","severity":"informational"},{"version":"1.42.0","publishedAt":"2026-06-12T21:03:17Z","kind":"stability-changed","detail":"Stability label respelled from development to alpha.","severity":"informational"}],"replaces":[]}