anchor.diff:          "viz": "timeseries",
           "requests": [
             {
  -            "q": "avg:aws.ebs.volume_total_read_time{deployment:cf-elk-3az} by {job,index}",
  -            "type": "line"
  -          },
  -          {
  -            "q": "avg:aws.ebs.volume_total_write_time{deployment:cf-elk-3az} by {job,index}",
  -            "type": "line"
  -          }
  -        ]
  -      },
  -      "title": "io latency"
  +            "q": "1000 * avg:aws.ebs.volume_total_read_time{deployment:cf-elk-3az} by {device,job,index} / avg:aws.ebs.volume_read_ops{deployment:cf-elk-3az} by {device,job,index}",
  +            "conditional_formats": [
  +
  +            ],
  +            "type": "line"
  +          },
  +          {
  +            "q": "1000 * avg:aws.ebs.volume_total_write_time{deployment:cf-elk-3az} by {device,job,index} / avg:aws.ebs.volume_write_ops{deployment:cf-elk-3az} by {device,job,index}",
  +            "conditional_formats": [
  +
  +            ],
  +            "type": "line"
  +          }
  +        ]
  +      },
  +      "title": "io latency (ms)"
       },
       {
         "definition": {
  
positive.code: {
    "title": "elk",
    "description": "elk",
    "graphs": [
      {
        "definition": {
  
negative.code:         "viz": "timeseries",
          "requests": [
            {
              "q": "avg:aws.ebs.volume_read_ops{deployment:cf-elk-3az} by {device,job,index} / dt(avg:aws.ebs.volume_read_ops{deployment:cf-elk-3az} by {device,job,index})",
              "conditional_formats": [
  
              ],
              "type": "line"
            },
            {
              "q": "avg:aws.ebs.volume_write_ops{deployment:cf-elk-3az} by {device,job,index} / dt(avg:aws.ebs.volume_write_ops{deployment:cf-elk-3az} by {device,job,index})",
              "conditional_formats": [
  
              ],
              "type": "line"
            }
          ]
  