[root@cldrgw001-v ~]#  radosgw-admin bucket stats --bucket=hojo-bucket-02                                                                                        
{
    "bucket": "hojo-bucket-02",
    "pool": ".rgw.buckets",
    "index_pool": ".rgw.buckets.index",
    "id": "default.1456852.44",
    "marker": "default.1456852.44",
    "owner": "XXX00000",
    "ver": "0#20001",
    "master_ver": "0#0",
    "mtime": "2016-05-30 17:27:36.000000",
    "max_marker": "0#",
    "usage": {
        "rgw.main": {
            "size_kb": 22839,
            "size_kb_actual": 30000,
            "num_objects": 7500
        }
    },
    "bucket_quota": {
        "enabled": false,
        "max_size_kb": -1,
        "max_objects": -1
    }
}
[root@cldrgw001-v ~]#  radosgw-admin bi list --bucket=hojo-bucket-02 --object=testfile1896.txt
[
    {
        "type": "plain",
        "idx": "testfile1896.txt",
        "entry": {
            "name": "testfile1896.txt",
            "instance": "",
            "ver": {
                "pool": -1,
                "epoch": 0
            },
            "locator": "",
            "exists": "false",
            "meta": {
                "category": 0,
                "size": 0,
                "mtime": "0.000000",
                "etag": "",
                "owner": "",
                "owner_display_name": "",
                "content_type": "",
                "accounted_size": 0
            },
            "tag": "",
            "flags": 8,
            "pending_map": [],
            "versioned_epoch": 0
        }
    },
    {
        "type": "plain",
        "idx": "testfile1896.txt\u0000v913\u0000i2MSeTpZoDSqt2nTk1oYHZNmF1e84C.1",
        "entry": {
            "name": "testfile1896.txt",
            "instance": "2MSeTpZoDSqt2nTk1oYHZNmF1e84C.1",
            "ver": {
                "pool": 5,
                "epoch": 174735
            },
            "locator": "",
            "exists": "true",
            "meta": {
                "category": 1,
                "size": 3152,
                "mtime": "2016-05-30 08:39:52.000000Z",
                "etag": "1d24c7924b9798bb9064dcb043b3d989",
                "owner": "XXX00000",
                "owner_display_name": "XXX00000",
                "content_type": "application\/octet-stream",
                "accounted_size": 3152
            },
            "tag": "default.1454991.1565150",
            "flags": 3,
            "pending_map": [],
            "versioned_epoch": 2
        }
    },
    {
        "type": "plain",
        "idx": "testfile1896.txt\u0000v914\u0000i",
        "entry": {
            "name": "testfile1896.txt",
            "instance": "",
            "ver": {
                "pool": 5,
                "epoch": 257917
            },
            "locator": "",
            "exists": "true",
            "meta": {
                "category": 1,
                "size": 3052,
                "mtime": "2016-05-30 02:43:22.000000Z",
                "etag": "20a4fc4c12598089a8937496a5eba67e",
                "owner": "XXX00000",
                "owner_display_name": "XXX00000",
                "content_type": "application\/octet-stream",
                "accounted_size": 3052
            },
            "tag": "default.1454991.1436745",
            "flags": 1,
            "pending_map": [],
            "versioned_epoch": 1
        }
    },
    {
        "type": "instance",
        "idx": "000_testfile1896.txt\u0000i",
        "entry": {
            "name": "testfile1896.txt",
            "instance": "",
            "ver": {
                "pool": 5,
                "epoch": 257917
            },
            "locator": "",
            "exists": "true",
            "meta": {
                "category": 1,
                "size": 3052,
                "mtime": "2016-05-30 02:43:22.000000Z",
                "etag": "20a4fc4c12598089a8937496a5eba67e",
                "owner": "XXX00000",
                "owner_display_name": "XXX00000",
                "content_type": "application\/octet-stream",
                "accounted_size": 3052
            },
            "tag": "default.1454991.1436745",
            "flags": 1,
            "pending_map": [],
            "versioned_epoch": 1
        }
    },
    {
        "type": "instance",
        "idx": "000_testfile1896.txt\u0000i2MSeTpZoDSqt2nTk1oYHZNmF1e84C.1",
        "entry": {
            "name": "testfile1896.txt",
            "instance": "2MSeTpZoDSqt2nTk1oYHZNmF1e84C.1",
            "ver": {
                "pool": 5,
                "epoch": 174735
            },
            "locator": "",
            "exists": "true",
            "meta": {
                "category": 1,
                "size": 3152,
                "mtime": "2016-05-30 08:39:52.000000Z",
                "etag": "1d24c7924b9798bb9064dcb043b3d989",
                "owner": "XXX00000",
                "owner_display_name": "XXX00000",
                "content_type": "application\/octet-stream",
                "accounted_size": 3152
            },
            "tag": "default.1454991.1565150",
            "flags": 3,
            "pending_map": [],
            "versioned_epoch": 2
        }
    },
    {
        "type": "olh",
        "idx": "001_testfile1896.txt",
        "entry": {
            "key": {
                "name": "testfile1896.txt",
                "instance": "2MSeTpZoDSqt2nTk1oYHZNmF1e84C.1"
            },
            "delete_marker": "false",
            "epoch": 2,
            "pending_log": [],
            "tag": "ijcllgxhhim1e1tnaf8xzw7zya98atx0",
            "exists": "true",
            "pending_removal": "false"
        }
    }

]