| `minio_cluster_usage_objects_size_distribution`          | `gauge` | Cluster object size distribution                               | `range` |
| `minio_cluster_usage_objects_version_count_distribution` | `gauge` | Cluster object version count distribution                      | `range` |

### `/cluster/usage/buckets` 

      - "https://server4-pool2:9000/mnt/disk{1...4}/"
  # more args

options:
  ftp: # settings for MinIO to act as an ftp server
    address: ":8021"
    passive-port-range: "30000-40000"
  sftp: # settings for MinIO to act as an sftp server
    address: ":8022"
    ssh-private-key: "/home/user/.ssh/id_rsa"
```