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docs/Single-server-VictoriaMetrics.md: document automatic switch from graph view to heatmap view for histogram buckets

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Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3384
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Aliaksandr Valialkin 2023-04-10 10:48:04 -07:00
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15
README.md
View File

@ -303,14 +303,18 @@ Prometheus doesn't drop data during VictoriaMetrics restart. See [this article](
## vmui
VictoriaMetrics provides UI for query troubleshooting and exploration. The UI is available at `http://victoriametrics:8428/vmui`.
The UI allows exploring query results via graphs and tables.
It also provides the following features:
The UI allows exploring query results via graphs and tables. It also provides the following features:
- [metrics explorer](#metrics-explorer)
- [cardinality explorer](#cardinality-explorer)
- [query tracer](#query-tracing)
- [top queries explorer](#top-queries)
VMUI automatically switches from graph view to heatmap view when the query returns [histogram](https://docs.victoriametrics.com/keyConcepts.html#histogram) buckets
(both [Prometheus histograms](https://prometheus.io/docs/concepts/metric_types/#histogram)
and [VictoriaMetrics histograms](https://valyala.medium.com/improving-histogram-usability-for-prometheus-and-grafana-bc7e5df0e350) are supported).
Try, for example, [this query](https://play.victoriametrics.com/select/accounting/1/6a716b0f-38bc-4856-90ce-448fd713e3fe/prometheus/graph/#/?g0.expr=sum%28rate%28vm_promscrape_scrape_duration_seconds_bucket%29%29+by+%28vmrange%29&g0.range_input=24h&g0.end_input=2023-04-10T17%3A46%3A12&g0.relative_time=last_24_hours&g0.step_input=31m).
Graphs in `vmui` support scrolling and zooming:
* Select the needed time range on the graph in order to zoom in into the selected time range. Hold `ctrl` (or `cmd` on MacOS) and scroll down in order to zoom out.
@ -321,9 +325,12 @@ Query history can be navigated by holding `Ctrl` (or `Cmd` on MacOS) and pressin
Multi-line queries can be entered by pressing `Shift-Enter` in query input field.
When querying the [backfilled data](https://docs.victoriametrics.com/#backfilling) or during [query troubleshooting](https://docs.victoriametrics.com/Troubleshooting.html#unexpected-query-results), it may be useful disabling response cache by clicking `Disable cache` checkbox.
When querying the [backfilled data](https://docs.victoriametrics.com/#backfilling)
or during [query troubleshooting](https://docs.victoriametrics.com/Troubleshooting.html#unexpected-query-results),
it may be useful disabling response cache by clicking `Disable cache` checkbox.
VMUI automatically adjusts the interval between datapoints on the graph depending on the horizontal resolution and on the selected time range. The step value can be customized by changing `Step value` input.
VMUI automatically adjusts the interval between datapoints on the graph depending on the horizontal resolution and on the selected time range.
The step value can be customized by changing `Step value` input.
VMUI allows investigating correlations between multiple queries on the same graph. Just click `Add Query` button,
enter an additional query in the newly appeared input field and press `Enter`.

15
docs/README.md
View File

@ -304,14 +304,18 @@ Prometheus doesn't drop data during VictoriaMetrics restart. See [this article](
## vmui
VictoriaMetrics provides UI for query troubleshooting and exploration. The UI is available at `http://victoriametrics:8428/vmui`.
The UI allows exploring query results via graphs and tables.
It also provides the following features:
The UI allows exploring query results via graphs and tables. It also provides the following features:
- [metrics explorer](#metrics-explorer)
- [cardinality explorer](#cardinality-explorer)
- [query tracer](#query-tracing)
- [top queries explorer](#top-queries)
VMUI automatically switches from graph view to heatmap view when the query returns [histogram](https://docs.victoriametrics.com/keyConcepts.html#histogram) buckets
(both [Prometheus histograms](https://prometheus.io/docs/concepts/metric_types/#histogram)
and [VictoriaMetrics histograms](https://valyala.medium.com/improving-histogram-usability-for-prometheus-and-grafana-bc7e5df0e350) are supported).
Try, for example, [this query](https://play.victoriametrics.com/select/accounting/1/6a716b0f-38bc-4856-90ce-448fd713e3fe/prometheus/graph/#/?g0.expr=sum%28rate%28vm_promscrape_scrape_duration_seconds_bucket%29%29+by+%28vmrange%29&g0.range_input=24h&g0.end_input=2023-04-10T17%3A46%3A12&g0.relative_time=last_24_hours&g0.step_input=31m).
Graphs in `vmui` support scrolling and zooming:
* Select the needed time range on the graph in order to zoom in into the selected time range. Hold `ctrl` (or `cmd` on MacOS) and scroll down in order to zoom out.
@ -322,9 +326,12 @@ Query history can be navigated by holding `Ctrl` (or `Cmd` on MacOS) and pressin
Multi-line queries can be entered by pressing `Shift-Enter` in query input field.
When querying the [backfilled data](https://docs.victoriametrics.com/#backfilling) or during [query troubleshooting](https://docs.victoriametrics.com/Troubleshooting.html#unexpected-query-results), it may be useful disabling response cache by clicking `Disable cache` checkbox.
When querying the [backfilled data](https://docs.victoriametrics.com/#backfilling)
or during [query troubleshooting](https://docs.victoriametrics.com/Troubleshooting.html#unexpected-query-results),
it may be useful disabling response cache by clicking `Disable cache` checkbox.
VMUI automatically adjusts the interval between datapoints on the graph depending on the horizontal resolution and on the selected time range. The step value can be customized by changing `Step value` input.
VMUI automatically adjusts the interval between datapoints on the graph depending on the horizontal resolution and on the selected time range.
The step value can be customized by changing `Step value` input.
VMUI allows investigating correlations between multiple queries on the same graph. Just click `Add Query` button,
enter an additional query in the newly appeared input field and press `Enter`.

15
docs/Single-server-VictoriaMetrics.md
View File

@ -307,14 +307,18 @@ Prometheus doesn't drop data during VictoriaMetrics restart. See [this article](
## vmui
VictoriaMetrics provides UI for query troubleshooting and exploration. The UI is available at `http://victoriametrics:8428/vmui`.
The UI allows exploring query results via graphs and tables.
It also provides the following features:
The UI allows exploring query results via graphs and tables. It also provides the following features:
- [metrics explorer](#metrics-explorer)
- [cardinality explorer](#cardinality-explorer)
- [query tracer](#query-tracing)
- [top queries explorer](#top-queries)
VMUI automatically switches from graph view to heatmap view when the query returns [histogram](https://docs.victoriametrics.com/keyConcepts.html#histogram) buckets
(both [Prometheus histograms](https://prometheus.io/docs/concepts/metric_types/#histogram)
and [VictoriaMetrics histograms](https://valyala.medium.com/improving-histogram-usability-for-prometheus-and-grafana-bc7e5df0e350) are supported).
Try, for example, [this query](https://play.victoriametrics.com/select/accounting/1/6a716b0f-38bc-4856-90ce-448fd713e3fe/prometheus/graph/#/?g0.expr=sum%28rate%28vm_promscrape_scrape_duration_seconds_bucket%29%29+by+%28vmrange%29&g0.range_input=24h&g0.end_input=2023-04-10T17%3A46%3A12&g0.relative_time=last_24_hours&g0.step_input=31m).
Graphs in `vmui` support scrolling and zooming:
* Select the needed time range on the graph in order to zoom in into the selected time range. Hold `ctrl` (or `cmd` on MacOS) and scroll down in order to zoom out.
@ -325,9 +329,12 @@ Query history can be navigated by holding `Ctrl` (or `Cmd` on MacOS) and pressin
Multi-line queries can be entered by pressing `Shift-Enter` in query input field.
When querying the [backfilled data](https://docs.victoriametrics.com/#backfilling) or during [query troubleshooting](https://docs.victoriametrics.com/Troubleshooting.html#unexpected-query-results), it may be useful disabling response cache by clicking `Disable cache` checkbox.
When querying the [backfilled data](https://docs.victoriametrics.com/#backfilling)
or during [query troubleshooting](https://docs.victoriametrics.com/Troubleshooting.html#unexpected-query-results),
it may be useful disabling response cache by clicking `Disable cache` checkbox.
VMUI automatically adjusts the interval between datapoints on the graph depending on the horizontal resolution and on the selected time range. The step value can be customized by changing `Step value` input.
VMUI automatically adjusts the interval between datapoints on the graph depending on the horizontal resolution and on the selected time range.
The step value can be customized by changing `Step value` input.
VMUI allows investigating correlations between multiple queries on the same graph. Just click `Add Query` button,
enter an additional query in the newly appeared input field and press `Enter`.