Final test: Observability: metrics, alerts, logs

Read the output

20 DiskAlmostFull alerts with different instance values reached Alertmanager in one request. How many notifications will the webhook get?

route:
  receiver: chat
  group_by: ['...']
  group_wait: 30s

• A 1 — all the alerts share one name.
• B 20 — one notification per alert.
• C 1 — all the alerts came in one request.