Nautilus Cluster

# ceph tell osd.22 bench
{
    "bytes_written": 1073741824,
    "blocksize": 4194304,
    "elapsed_sec": 1.014448368,
    "bytes_per_sec": 1058448963.8609186,
    "iops": 252.3538980152413
}

# ceph tell osd.343 bench
{
    "bytes_written": 1073741824,
    "blocksize": 4194304,
    "elapsed_sec": 3.3841109020000002,
    "bytes_per_sec": 317289195.03359699,
    "iops": 75.647639044188736
}