### Kafka health check against an unreachable broker -- naive

$ time curl -s http://localhost:8080/actuator/health/kafka
{
    "details": {
        "bootstrap": "localhost:9092",
        "tuned": false,
        "error": "TimeoutException: Timed out waiting for a node assignment. Call: listNodes",
        "probeMs": 60002,
        "budgetMs": 180000
    },
    "status": "DOWN"
}

wall clock: 60.2 s