},
          "exemplar": true,
          "expr": "rate(minio_node_io_wchar_bytes{job=~\"$scrape_jobs\"}[$__rate_interval])",
          "interval": "",
          "legendFormat": "Node WChar [{{server}}]",
          "refId": "B"
        }
      ],
      "title": "Read, Write I/O",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",