mongos> db.stats()
{
        "raw" : {
                "LRCHB00319:40001" : {
                        "db" : "audit",
                        "collections" : 9,
                        "objects" : 48,
                        "avgObjSize" : 67.16666666666667,
                        "dataSize" : 3224,
                        "storageSize" : 65536,
                        "numExtents" : 9,
                        "indexes" : 20,
                        "indexSize" : 163520,
                        "fileSize" : 201326592,
                        "nsSizeMB" : 16,
                        "ok" : 1
                },
                "LRCHB00362:40004" : {
                        "db" : "audit",
                        "collections" : 9,
                        "objects" : 23954735,
                        "avgObjSize" : 1050.833972323217,
                        "dataSize" : 25172449336,
                        "storageSize" : 27773001632,
                        "numExtents" : 118,
                        "indexes" : 20,
                        "indexSize" : 3939818176,
                        "fileSize" : 36423335936,
                        "nsSizeMB" : 16,
                        "ok" : 1
                },
                "LRCHB00363:40005" : {
                        "db" : "audit",
                        "collections" : 9,
                        "objects" : 8099178,
                        "avgObjSize" : 1017.1879022784782,
                        "dataSize" : 8238385880,
                        "storageSize" : 9830182912,
                        "numExtents" : 102,
                        "indexes" : 20,
                        "indexSize" : 1215951072,
                        "fileSize" : 14958985216,
                        "nsSizeMB" : 16,
                        "ok" : 1
                },
                "LRCHB00364:40006" : {
                        "db" : "audit",
                        "collections" : 9,
                        "objects" : 8481614,
                        "avgObjSize" : 974.4786937957799,
                        "dataSize" : 8265152132,
                        "storageSize" : 9071570944,
                        "numExtents" : 111,
                        "indexes" : 20,
                        "indexSize" : 1410989552,
                        "fileSize" : 14958985216,
                        "nsSizeMB" : 16,
                        "ok" : 1
                },
                "LRCHB00365:40002" : {
                        "db" : "audit",
                        "collections" : 9,
                        "objects" : 8572170,
                        "avgObjSize" : 1046.8411424411788,
                        "dataSize" : 8973700236,
                        "storageSize" : 10275201024,
                        "numExtents" : 111,
                        "indexes" : 20,
                        "indexSize" : 1425289376,
                        "fileSize" : 14958985216,
                        "nsSizeMB" : 16,
                        "ok" : 1
                },
                "LRCHB00366:40003" : {
                        "db" : "audit",
                        "collections" : 9,
                        "objects" : 8124040,
                        "avgObjSize" : 1030.9780385128581,
                        "dataSize" : 8375706824,
                        "storageSize" : 9725198336,
                        "numExtents" : 110,
                        "indexes" : 20,
                        "indexSize" : 1217635328,
                        "fileSize" : 14958985216,
                        "nsSizeMB" : 16,
                        "ok" : 1
                },
                "LRCHB00374:40007" : {
                        "db" : "audit",
                        "collections" : 9,
                        "objects" : 7834351,
                        "avgObjSize" : 1004.5848045358192,
                        "dataSize" : 7870269968,
                        "storageSize" : 8978501632,
                        "numExtents" : 91,
                        "indexes" : 20,
                        "indexSize" : 1347756368,
                        "fileSize" : 14958985216,
                        "nsSizeMB" : 16,
                        "ok" : 1
                }
        },
        "objects" : 65066136,
        "avgObjSize" : 1028.11803055279,
        "dataSize" : 66895667600,
        "storageSize" : 75653722016,
        "numExtents" : 652,
        "indexes" : 140,
        "indexSize" : 10557603392,
        "fileSize" : 111419588608,
        "ok" : 1
}
mongos>