system.heartbeat
Feed liveness.
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Feed liveness.
| Type d'événement | system.heartbeat |
|---|---|
| Portée | source |
| Clé d'idempotence | Stable across retries and derived only from source data: HL7 {sourceId}:{feedKey}:{MSH-7 ms}:{MSH-10}:{eventKey}, FHIR {sourceId}:fhir:{type}/{id}/_history/{version}:{n}. |
| Depuis | 1.0 |
| HL7 v2 | — |
| FHIR R4 | — |
Quand l'envoyer
Every 60 seconds per feed.
Ce qu'il modifie
- Feed liveness: 5 minutes of silence shows delayed, 15 minutes down (F-16).
Schéma JSON
Exemple
{ "specVersion": "1.0", "id": "demo-epic-bridges:hb:1789398000", "type": "system.heartbeat", "occurredAt": "2026-09-14T11:00:00-04:00", "source": { "kind": "ehr", "system": "epic", "feed": "adt" }, "data": { "queueDepth": 0 }}