| `io_wchar_bytes`              | `counter` | Total bytes written by the process to the underlying storage system including page cache, /proc/[pid]/io wchar | `server` |
| `io_write_bytes`              | `counter` | Total bytes written by the process to the underlying storage system, /proc/[pid]/io write_bytes                | `server` |

| `minio_node_io_wchar_bytes`                | Total bytes written by the process to the underlying storage system including page cache, /proc/[pid]/io wchar. |
| `minio_node_io_write_bytes`                | Total bytes written by the process to the underlying storage system, /proc/[pid]/io write_bytes.                |

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