[
    {
        "avg": 4.5,
        "count": 10,
        "duration": 300,
        "duration_end": "2013-01-04T16:47:00",
        "duration_start": "2013-01-04T16:42:00",
        "max": 9,
        "min": 1,
        "period": 7200,
        "period_end": "2013-01-04T18:00:00",
        "period_start": "2013-01-04T16:00:00",
        "sum": 45,
        "unit": "GiB"
    }
]