Reference

barchart

Fields and display options of a barchart panel.

Example

{
  "id": "p_bars",
  "type": "barchart",
  "title": "Requests by route",
  "gridPos": {
    "x": 0,
    "y": 0,
    "w": 12,
    "h": 8
  },
  "datasource": "prom",
  "queries": [
    {
      "query": "sum by (route) (increase(http_requests_total{service=\"frontend\"}[1h]))",
      "instant": true,
      "format": "table"
    }
  ],
  "display": {
    "orientation": "horizontal",
    "xField": "route",
    "showValues": "always"
  }
}

From spec/examples/panel-types.json.

Fields

Field	Type	Description
`id` (required)	`string`	Stable across versions; comments anchor to it.
`title` (required)	`string`
`description`	`string`
`gridPos` (required)	`gridPos`	Position on the 24-column grid; x + w must not exceed 24.
`type` (required)	`"timeseries"`, `"stat"`, `"gauge"`, `"bargauge"`, `"table"`, `"piechart"`, `"heatmap"`, `"histogram"`, `"state-timeline"`, `"logs"`, `"barchart"`, `"status-history"`, `"trend"`, `"xychart"`, `"candlestick"`, `"nodeGraph"`, `"traces"`, `"flamegraph"`, `"geomap"`, `"canvas"`, `"alertlist"`
`datasource`	`datasourceRef`	A configured datasource uid, or ${name} naming a datasource variable declared in variables (before this variable, when used by one); queries then run on the datasource selected in that variable, and macros follow its datasourceType.
`queries` (required)	array of `panelQuery` or `expressionQuery` or `dashboardQuery`	At most 26 items.
`overrides`	array of `override`	At most 50 items.
`transform`	array of `transform`	At most 20 items.
`repeat`	`variableName`	Referenced in queries as $name, ${name} or ${name:format}.
`repeatDirection`	`"h"`, `"v"`
`maxPerRow`	`integer`	Between 1 and 24.
`timeFrom`	`string`
`timeShift`	`string`
`timezone`	`string`	browser, utc or an IANA zone such as Asia/Kolkata. The times this panel draws are shown in this zone instead of the dashboard’s.
`hideTimeOverride`	`boolean`	Do not show the time override note (from timeFrom and timeShift) in the panel header. The override still applies to the queries. Absent means shown.
`interval`	`intervalRef`	A minimum step such as 30s, or ${name} naming an interval variable; queries then use the step selected in that variable.
`maxDataPoints`	`integer`	Between 10 and 11000.
`transparent`	`boolean`
`titleHidden`	`boolean`	Keep the title as the panel’s name for menus and screen readers but do not show it. Absent means shown.

Every data panel also takes the field options.

Display options

Field	Values	Description
`orientation`	`"auto"`, `"horizontal"`, `"vertical"`
`xField`	`fieldName`	A field name or series name in the panel’s frames.
`showValues`	`"auto"`, `"always"`, `"never"`
`barWidth`	`number`
`groupWidth`	`number`
`legend`	`"bottom"`, `"right"`, `"hidden"`
`tooltip`	`"single"`, `"all"`, `"hidden"`
`legendMode`	`"list"`, `"table"`
`legendValues`	array of `anyReducer`	At most 8 items.
`legendSortBy`	`"name"` or `reducer`
`legendSortDesc`	`true`, `false`
`legendWidth`	`integer`	Between 40 and 2000.
`tooltipSort`	`"none"`, `"asc"`, `"desc"`
`tooltipHideZeros`	`true`, `false`
`tooltipMaxWidth`	`integer`	Between 100 and 2000.
`tooltipMaxHeight`	`integer`	Between 100 and 2000.
`xTickRotation`	`integer`	Between -90 and 90.
`xTickSpacing`	`integer`	Between 0 and 500.
`xTickMaxLength`	`integer`	Between 1 and 200.
`barRadius`	`number`	Between 0 and 0.5.
`fullHighlight`	`true`, `false`
`colorByField`	`fieldName`	A field name or series name in the panel’s frames.
`valueSize`	`integer`	Between 6 and 100.

Generated from spec/schema/observespec.v0.json at bac0fe39. Report a problem.