{
    "@timestamp": "2017-10-12T08:05:34.853Z",
    "beat": {
        "hostname": "host.example.com",
        "name": "host.example.com"
    },
    "metricset": {
        "host": "prometheus:9090",
        "module": "prometheus",
        "name": "stats",
        "rtt": 115
    },
    "prometheus": {
        "stats": {
            "notifications": {
                "dropped": 0,
                "queue_length": 0
            },
            "processes": {
                "open_fds": 25
            },
            "storage": {
                "chunks_to_persist": 0
            }
        }
    }
}