{
    "@timestamp": "2017-10-12T08:05:34.853Z",
    "beat": {
        "hostname": "host.example.com",
        "name": "host.example.com"
    },
    "metricset": {
        "module": "system",
        "name": "fsstat",
        "rtt": 115
    },
    "system": {
        "fsstat": {
            "count": 37,
            "total_files": 4315786607,
            "total_size": {
                "free": 58327575072768,
                "total": 128010997239808,
                "used": 69683422167040
            }
        }
    }
}