Example of markers

markers.json

{
  "events": [],
  "requests": [
    {
      "q": "avg:system.load.norm.1{blah} by {host}",
      "stacked": false
    },
    {
      "q": "avg:system.load.norm.1{blah} by {host}",
      "stacked": false
    }
  ],
  "markers": [
    {
      "value": "y > 2",
      "type": "warning dashed",
      "label": "getting warmer"
    },
    {
      "value": "y > 3",
      "type": "error dashed"
    }
  ],
  "viz": "timeseries"
}