VictoriaMetrics/app/vmselect/vmui/static/media/README.a3933343f0099d3929b4.md
Yury Molodov 7cbf19812d
vmui: predefined panels (#2243)
* feat: add basic components for predefined dashboards

* fix: change display alert

* feat: add autosize and unit for axes

* feat: add component for CircularProgress

* feat: change layout for predefined dashboards

* feat: add override step for predefined panels

* feat: add override step for predefined panels

* feat: change yaxis limits for predefined panels

* fix: rename flag for hide legend

* feat: add formatted panel description

* feat: add README.md for dashboard setup

* feat: validate dashboard settings

* feat: add unit for y-ticks

* fix: correct display error for dashboards

* fix: disable auto refresh after route change

* update package-lock.json

* fix: add basename for BrowserRouter

* fix: add dynamic basename for routing

* update packages

* feat: add a pre-defined dashboard "per-job resource usage"

* feat: display unit in the hover-tooltip

* fix: change routing and home layout

* fix: change axis width calc

* updated packages

* app/vmselect: `make vmui-update`

Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2022-03-26 13:05:21 +02:00

3.5 KiB

Configuration options


DashboardSettings:
Name Type Description
rows* DashboardRow[] Sections containing panels
title string Dashboard title

DashboardRow:
Name Type Description
panels* PanelSettings[] List of panels (charts)
title string Row title

PanelSettings:
Name Type Description
expr* string[] Data source queries
title string Panel title
description string Additional information about the panel
unit string Y-axis unit
showLegend boolean If false, the legend hide. Default value - true

Example json

{
  "title": "Example",
  "rows": [
    {
      "title": "Performance",
      "panels": [
        {
          "title": "Query duration",
          "description": "The less time it takes is better.\n* `*` - unsupported query path\n* `/write` - insert into VM\n* `/metrics` - query VM system metrics\n* `/query` - query instant values\n* `/query_range` - query over a range of time\n* `/series` - match a certain label set\n* `/label/{}/values` - query a list of label values (variables mostly)",
          "unit": "ms",
          "showLegend": false,
          "expr": [
            "max(vm_request_duration_seconds{quantile=~\"(0.5|0.99)\"}) by (path, quantile) > 0"
          ]
        },
        {
          "title": "Concurrent flushes on disk",
          "description": "Shows how many ongoing insertions (not API /write calls) on disk are taking place, where:\n* `max` - equal to number of CPUs;\n* `current` - current number of goroutines busy with inserting rows into underlying storage.\n\nEvery successful API /write call results into flush on disk. However, these two actions are separated and controlled via different concurrency limiters. The `max` on this panel can't be changed and always equal to number of CPUs. \n\nWhen `current` hits `max` constantly, it means storage is overloaded and requires more CPU.\n\n",
          "expr": [
            "sum(vm_concurrent_addrows_capacity)",
            "sum(vm_concurrent_addrows_current)"
          ]
        }
      ]
    },
    {
      "title": "Troubleshooting",
      "panels": [
        {
          "title": "Churn rate",
          "description": "Shows the rate and total number of new series created over last 24h.\n\nHigh churn rate tightly connected with database performance and may result in unexpected OOM's or slow queries. It is recommended to always keep an eye on this metric to avoid unexpected cardinality \"explosions\".\n\nThe higher churn rate is, the more resources required to handle it. Consider to keep the churn rate as low as possible.\n\nGood references to read:\n* https://www.robustperception.io/cardinality-is-key\n* https://www.robustperception.io/using-tsdb-analyze-to-investigate-churn-and-cardinality",
          "expr": [
            "sum(rate(vm_new_timeseries_created_total[5m]))",
            "sum(increase(vm_new_timeseries_created_total[24h]))"
          ]
        }
      ]
    }
  ]
}