Grafana Loki Logs Volume in Dashboard Example

loki-logs-volume.json

{
  "datasource":{
    "type":"loki",
    "uid":"cdgxi8l9obvgga"
  },
  "fieldConfig":{
    "defaults":{
      "color":{
        "mode":"palette-classic"
      },
      "custom":{
        "axisBorderShow":false,
        "axisCenteredZero":false,
        "axisColorMode":"text",
        "axisLabel":"",
        "axisPlacement":"auto",
        "barAlignment":1,
        "drawStyle":"bars",
        "fillOpacity":100,
        "gradientMode":"none",
        "hideFrom":{
          "legend":false,
          "tooltip":false,
          "viz":false
        },
        "insertNulls":false,
        "lineInterpolation":"stepBefore",
        "lineWidth":1,
        "pointSize":5,
        "scaleDistribution":{
          "type":"linear"
        },
        "showPoints":"never",
        "spanNulls":false,
        "stacking":{
          "group":"A",
          "mode":"normal"
        },
        "thresholdsStyle":{
          "mode":"off"
        }
      },
      "mappings":[
        
      ],
      "thresholds":{
        "mode":"absolute",
        "steps":[
          {
            "color":"green",
            "value":null
          }
        ]
      }
    },
    "overrides":[
      {
        "matcher":{
          "id":"byName",
          "options":"error"
        },
        "properties":[
          {
            "id":"color",
            "value":{
              "fixedColor":"#ee4f45",
              "mode":"fixed"
            }
          }
        ]
      },
      {
        "matcher":{
          "id":"byName",
          "options":"warn"
        },
        "properties":[
          {
            "id":"color",
            "value":{
              "fixedColor":"#f1b74d",
              "mode":"fixed"
            }
          }
        ]
      },
      {
        "matcher":{
          "id":"byName",
          "options":"info"
        },
        "properties":[
          {
            "id":"color",
            "value":{
              "fixedColor":"#76b173",
              "mode":"fixed"
            }
          }
        ]
      }
    ]
  },
  "gridPos":{
    "h":7,
    "w":24,
    "x":0,
    "y":0
  },
  "id":3,
  "interval":"1m",
  "options":{
    "legend":{
      "calcs":[
        "sum"
      ],
      "displayMode":"list",
      "placement":"bottom",
      "showLegend":true
    },
    "tooltip":{
      "mode":"multi",
      "sort":"none"
    }
  },
  "targets":[
    {
      "datasource":{
        "type":"loki",
        "uid":"cdgxi8l9obvgga"
      },
      "editorMode":"code",
      "expr":"sum by(level) (count_over_time({swarm_stack=\"app\"} | logfmt [$__auto]))",
      "legendFormat":"{{level}}",
      "queryType":"range",
      "refId":"A",
      "step":""
    }
  ],
  "title":"Logs Volume",
  "type":"timeseries"
}