mongos> db.stats()
{
        "raw" : {
                "LRCHB00319:40001" : {
                        "db" : "audit",
                        "collections" : 9,
                        "objects" : 49,
                        "avgObjSize" : 75.42857142857143,
                        "dataSize" : 3696,
                        "storageSize" : 65536,
                        "numExtents" : 9,
                        "indexes" : 20,
                        "indexSize" : 163520,
                        "fileSize" : 201326592,
                        "nsSizeMB" : 16,
                        "ok" : 1
                },
                "LRCHB00362:40004" : {
                        "db" : "audit",
                        "collections" : 9,
                        "objects" : 34801871,
                        "avgObjSize" : 1007.9512518163176,
                        "dataSize" : 35078589440,
                        "storageSize" : 38004596576,
                        "numExtents" : 122,
                        "indexes" : 20,
                        "indexSize" : 5436050704,
                        "fileSize" : 47155511296,
                        "nsSizeMB" : 16,
                        "ok" : 1
                },
                "LRCHB00363:40005" : {
                        "db" : "audit",
                        "collections" : 9,
                        "objects" : 6361717,
                        "avgObjSize" : 1110.8871205682365,
                        "dataSize" : 7067149480,
                        "storageSize" : 8192090112,
                        "numExtents" : 96,
                        "indexes" : 20,
                        "indexSize" : 957409600,
                        "fileSize" : 12812550144,
                        "nsSizeMB" : 16,
                        "ok" : 1
                },
                "LRCHB00364:40006" : {
                        "db" : "audit",
                        "collections" : 9,
                        "objects" : 7183094,
                        "avgObjSize" : 966.3980284818771,
                        "dataSize" : 6941727880,
                        "storageSize" : 7359438848,
                        "numExtents" : 96,
                        "indexes" : 20,
                        "indexSize" : 1041360768,
                        "fileSize" : 12812550144,
                        "nsSizeMB" : 16,
                        "ok" : 1
                },
                "LRCHB00365:40002" : {
                        "db" : "audit",
                        "collections" : 9,
                        "objects" : 6902629,
                        "avgObjSize" : 1179.493269593368,
                        "dataSize" : 8141604448,
                        "storageSize" : 9163849728,
                        "numExtents" : 113,
                        "indexes" : 20,
                        "indexSize" : 1051409072,
                        "fileSize" : 12812550144,
                        "nsSizeMB" : 16,
                        "ok" : 1
                },
                "LRCHB00366:40003" : {
                        "db" : "audit",
                        "collections" : 9,
                        "objects" : 6331001,
                        "avgObjSize" : 1014.2771925008383,
                        "dataSize" : 6421389920,
                        "storageSize" : 7274377216,
                        "numExtents" : 70,
                        "indexes" : 20,
                        "indexSize" : 991119248,
                        "fileSize" : 12812550144,
                        "nsSizeMB" : 16,
                        "ok" : 1
                },
                "LRCHB00374:40007" : {
                        "db" : "audit",
                        "collections" : 9,
                        "objects" : 6207166,
                        "avgObjSize" : 1174.722958593342,
                        "dataSize" : 7291700408,
                        "storageSize" : 8325013504,
                        "numExtents" : 88,
                        "indexes" : 20,
                        "indexSize" : 941057600,
                        "fileSize" : 12812550144,
                        "nsSizeMB" : 16,
                        "ok" : 1
                }
        },
        "objects" : 67787527,
        "avgObjSize" : 1046.537149408032,
        "dataSize" : 70942165272,
        "storageSize" : 78319431520,
        "numExtents" : 594,
        "indexes" : 140,
        "indexSize" : 10418570512,
        "fileSize" : 111419588608,
        "ok" : 1
}
mongos>