docs/MetricsQL.md: improve text formatting for better readability

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@ -186,7 +186,9 @@ The list of supported rollup functions:
`absent_over_time(series_selector[d])` is a [rollup function](#rollup-functions), which returns 1 `absent_over_time(series_selector[d])` is a [rollup function](#rollup-functions), which returns 1
if the given lookbehind window `d` doesn't contain raw samples. Otherwise, it returns an empty result. if the given lookbehind window `d` doesn't contain raw samples. Otherwise, it returns an empty result.
This function is supported by PromQL. See also [present_over_time](#present_over_time). This function is supported by PromQL.
See also [present_over_time](#present_over_time).
#### aggr_over_time #### aggr_over_time
@ -216,7 +218,9 @@ See also [descent_over_time](#descent_over_time).
over raw samples on the given lookbehind window `d` per each time series returned over raw samples on the given lookbehind window `d` per each time series returned
from the given [series_selector](https://docs.victoriametrics.com/keyConcepts.html#filtering). from the given [series_selector](https://docs.victoriametrics.com/keyConcepts.html#filtering).
This function is supported by PromQL. See also [median_over_time](#median_over_time). This function is supported by PromQL.
See also [median_over_time](#median_over_time).
#### changes #### changes
@ -229,7 +233,9 @@ See [this article](https://medium.com/@romanhavronenko/victoriametrics-promql-co
Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [changes_prometheus](#changes_prometheus). This function is supported by PromQL.
See also [changes_prometheus](#changes_prometheus).
#### changes_prometheus #### changes_prometheus
@ -242,7 +248,9 @@ See [this article](https://medium.com/@romanhavronenko/victoriametrics-promql-co
Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [changes](#changes). This function is supported by PromQL.
See also [changes](#changes).
#### count_eq_over_time #### count_eq_over_time
@ -291,8 +299,9 @@ on the given lookbehind window `d` per each time series returned from the given
Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [count_le_over_time](#count_le_over_time), [count_gt_over_time](#count_gt_over_time), This function is supported by PromQL.
[count_eq_over_time](#count_eq_over_time) and [count_ne_over_time](#count_ne_over_time).
See also [count_le_over_time](#count_le_over_time), [count_gt_over_time](#count_gt_over_time), [count_eq_over_time](#count_eq_over_time) and [count_ne_over_time](#count_ne_over_time).
#### count_values_over_time #### count_values_over_time
@ -302,7 +311,7 @@ The results are calculated independently per each time series returned from the
Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
See also [count_eq_over_time](#count_eq_over_time), [count_values](#count_values) and [distinct_over_time](#distinct_over_time). See also [count_eq_over_time](#count_eq_over_time), [count_values](#count_values) and [distinct_over_time](#distinct_over_time) and [label_match](#label_match).
#### decreases_over_time #### decreases_over_time
@ -334,7 +343,9 @@ See [this article](https://medium.com/@romanhavronenko/victoriametrics-promql-co
Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [increase](#increase) and [delta_prometheus](#delta_prometheus). This function is supported by PromQL.
See also [increase](#increase) and [delta_prometheus](#delta_prometheus).
#### delta_prometheus #### delta_prometheus
@ -357,7 +368,9 @@ The derivative is calculated using linear regression.
Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [deriv_fast](#deriv_fast) and [ideriv](#ideriv). This function is supported by PromQL.
See also [deriv_fast](#deriv_fast) and [ideriv](#ideriv).
#### deriv_fast #### deriv_fast
@ -449,7 +462,9 @@ over the given lookbehind window `d` using the given smoothing factor `sf` and t
Both `sf` and `tf` must be in the range `[0...1]`. It is expected that the [series_selector](https://docs.victoriametrics.com/keyConcepts.html#filtering) Both `sf` and `tf` must be in the range `[0...1]`. It is expected that the [series_selector](https://docs.victoriametrics.com/keyConcepts.html#filtering)
returns time series of [gauge type](https://docs.victoriametrics.com/keyConcepts.html#gauge). returns time series of [gauge type](https://docs.victoriametrics.com/keyConcepts.html#gauge).
This function is supported by PromQL. See also [range_linear_regression](#range_linear_regression). This function is supported by PromQL.
See also [range_linear_regression](#range_linear_regression).
#### idelta #### idelta
@ -458,7 +473,9 @@ on the given lookbehind window `d` per each time series returned from the given
Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [delta](#delta). This function is supported by PromQL.
See also [delta](#delta).
#### ideriv #### ideriv
@ -481,7 +498,9 @@ See [this article](https://medium.com/@romanhavronenko/victoriametrics-promql-co
Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [increase_pure](#increase_pure), [increase_prometheus](#increase_prometheus) and [delta](#delta). This function is supported by PromQL.
See also [increase_pure](#increase_pure), [increase_prometheus](#increase_prometheus) and [delta](#delta).
#### increase_prometheus #### increase_prometheus
@ -525,7 +544,9 @@ It is expected that the `series_selector` returns time series of [counter type](
Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [rate](#rate) and [rollup_rate](#rollup_rate). This function is supported by PromQL.
See also [rate](#rate) and [rollup_rate](#rollup_rate).
#### lag #### lag
@ -542,7 +563,9 @@ See also [lifetime](#lifetime) and [duration_over_time](#duration_over_time).
`last_over_time(series_selector[d])` is a [rollup function](#rollup-functions), which returns the last raw sample value on the given lookbehind window `d` `last_over_time(series_selector[d])` is a [rollup function](#rollup-functions), which returns the last raw sample value on the given lookbehind window `d`
per each time series returned from the given [series_selector](https://docs.victoriametrics.com/keyConcepts.html#filtering). per each time series returned from the given [series_selector](https://docs.victoriametrics.com/keyConcepts.html#filtering).
This function is supported by PromQL. See also [first_over_time](#first_over_time) and [tlast_over_time](#tlast_over_time). This function is supported by PromQL.
See also [first_over_time](#first_over_time) and [tlast_over_time](#tlast_over_time).
#### lifetime #### lifetime
@ -565,7 +588,9 @@ See also [mad](#mad), [range_mad](#range_mad) and [outlier_iqr_over_time](#outli
`max_over_time(series_selector[d])` is a [rollup function](#rollup-functions), which calculates the maximum value over raw samples `max_over_time(series_selector[d])` is a [rollup function](#rollup-functions), which calculates the maximum value over raw samples
on the given lookbehind window `d` per each time series returned from the given [series_selector](https://docs.victoriametrics.com/keyConcepts.html#filtering). on the given lookbehind window `d` per each time series returned from the given [series_selector](https://docs.victoriametrics.com/keyConcepts.html#filtering).
This function is supported by PromQL. See also [tmax_over_time](#tmax_over_time). This function is supported by PromQL.
See also [tmax_over_time](#tmax_over_time).
#### median_over_time #### median_over_time
@ -580,7 +605,9 @@ See also [avg_over_time](#avg_over_time).
`min_over_time(series_selector[d])` is a [rollup function](#rollup-functions), which calculates the minimum value over raw samples `min_over_time(series_selector[d])` is a [rollup function](#rollup-functions), which calculates the minimum value over raw samples
on the given lookbehind window `d` per each time series returned from the given [series_selector](https://docs.victoriametrics.com/keyConcepts.html#filtering). on the given lookbehind window `d` per each time series returned from the given [series_selector](https://docs.victoriametrics.com/keyConcepts.html#filtering).
This function is supported by PromQL. See also [tmin_over_time](#tmin_over_time). This function is supported by PromQL.
See also [tmin_over_time](#tmin_over_time).
#### mode_over_time #### mode_over_time
@ -606,7 +633,9 @@ See also [outliers_iqr](#outliers_iqr).
linear interpolation over raw samples on the given lookbehind window `d`. The predicted value is calculated individually per each time series linear interpolation over raw samples on the given lookbehind window `d`. The predicted value is calculated individually per each time series
returned from the given [series_selector](https://docs.victoriametrics.com/keyConcepts.html#filtering). returned from the given [series_selector](https://docs.victoriametrics.com/keyConcepts.html#filtering).
This function is supported by PromQL. See also [range_linear_regression](#range_linear_regression). This function is supported by PromQL.
See also [range_linear_regression](#range_linear_regression).
#### present_over_time #### present_over_time
@ -623,7 +652,9 @@ This function is supported by PromQL.
on the given lookbehind window `d` per each time series returned from the given [series_selector](https://docs.victoriametrics.com/keyConcepts.html#filtering). on the given lookbehind window `d` per each time series returned from the given [series_selector](https://docs.victoriametrics.com/keyConcepts.html#filtering).
The `phi` value must be in the range `[0...1]`. The `phi` value must be in the range `[0...1]`.
This function is supported by PromQL. See also [quantiles_over_time](#quantiles_over_time). This function is supported by PromQL.
See also [quantiles_over_time](#quantiles_over_time).
#### quantiles_over_time #### quantiles_over_time
@ -655,7 +686,9 @@ This allows avoiding unexpected gaps on the graph when `step` is smaller than th
Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [irate](#irate) and [rollup_rate](#rollup_rate). This function is supported by PromQL.
See also [irate](#irate) and [rollup_rate](#rollup_rate).
#### rate_over_sum #### rate_over_sum
@ -820,7 +853,9 @@ on the given lookbehind window `d` per each time series returned from the given
Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [stdvar_over_time](#stdvar_over_time). This function is supported by PromQL.
See also [stdvar_over_time](#stdvar_over_time).
#### stdvar_over_time #### stdvar_over_time
@ -829,7 +864,9 @@ on the given lookbehind window `d` per each time series returned from the given
Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [stddev_over_time](#stddev_over_time). This function is supported by PromQL.
See also [stddev_over_time](#stddev_over_time).
#### sum_eq_over_time #### sum_eq_over_time
@ -881,7 +918,9 @@ on the given lookbehind window `d` per each time series returned from the given
Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting rollups. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [time](#time) and [now](#now). This function is supported by PromQL.
See also [time](#time) and [now](#now).
#### timestamp_with_name #### timestamp_with_name
@ -975,7 +1014,9 @@ This function is supported by PromQL.
`absent(q)` is a [transform function](#transform-functions), which returns 1 if `q` has no points. Otherwise, returns an empty result. `absent(q)` is a [transform function](#transform-functions), which returns 1 if `q` has no points. Otherwise, returns an empty result.
This function is supported by PromQL. See also [absent_over_time](#absent_over_time). This function is supported by PromQL.
See also [absent_over_time](#absent_over_time).
#### acos #### acos
@ -984,7 +1025,9 @@ for every point of every time series returned by `q`.
Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [asin](#asin) and [cos](#cos). This function is supported by PromQL.
See also [asin](#asin) and [cos](#cos).
#### acosh #### acosh
@ -993,7 +1036,9 @@ This function is supported by PromQL. See also [asin](#asin) and [cos](#cos).
Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [sinh](#cosh). This function is supported by PromQL.
See also [sinh](#cosh).
#### asin #### asin
@ -1002,7 +1047,9 @@ for every point of every time series returned by `q`.
Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [acos](#acos) and [sin](#sin). This function is supported by PromQL.
See also [acos](#acos) and [sin](#sin).
#### asinh #### asinh
@ -1011,7 +1058,9 @@ This function is supported by PromQL. See also [acos](#acos) and [sin](#sin).
Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [sinh](#sinh). This function is supported by PromQL.
See also [sinh](#sinh).
#### atan #### atan
@ -1020,7 +1069,9 @@ for every point of every time series returned by `q`.
Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [tan](#tan). This function is supported by PromQL.
See also [tan](#tan).
#### atanh #### atanh
@ -1029,7 +1080,9 @@ This function is supported by PromQL. See also [tan](#tan).
Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [tanh](#tanh). This function is supported by PromQL.
See also [tanh](#tanh).
#### bitmap_and #### bitmap_and
@ -1060,25 +1113,33 @@ See also [prometheus_buckets](#prometheus_buckets) and [histogram_quantile](#his
`ceil(q)` is a [transform function](#transform-functions), which rounds every point for every time series returned by `q` to the upper nearest integer. `ceil(q)` is a [transform function](#transform-functions), which rounds every point for every time series returned by `q` to the upper nearest integer.
This function is supported by PromQL. See also [floor](#floor) and [round](#round). This function is supported by PromQL.
See also [floor](#floor) and [round](#round).
#### clamp #### clamp
`clamp(q, min, max)` is a [transform function](#transform-functions), which clamps every point for every time series returned by `q` with the given `min` and `max` values. `clamp(q, min, max)` is a [transform function](#transform-functions), which clamps every point for every time series returned by `q` with the given `min` and `max` values.
This function is supported by PromQL. See also [clamp_min](#clamp_min) and [clamp_max](#clamp_max). This function is supported by PromQL.
See also [clamp_min](#clamp_min) and [clamp_max](#clamp_max).
#### clamp_max #### clamp_max
`clamp_max(q, max)` is a [transform function](#transform-functions), which clamps every point for every time series returned by `q` with the given `max` value. `clamp_max(q, max)` is a [transform function](#transform-functions), which clamps every point for every time series returned by `q` with the given `max` value.
This function is supported by PromQL. See also [clamp](#clamp) and [clamp_min](#clamp_min). This function is supported by PromQL.
See also [clamp](#clamp) and [clamp_min](#clamp_min).
#### clamp_min #### clamp_min
`clamp_min(q, min)` is a [transform function](#transform-functions), which clamps every point for every time series returned by `q` with the given `min` value. `clamp_min(q, min)` is a [transform function](#transform-functions), which clamps every point for every time series returned by `q` with the given `min` value.
This function is supported by PromQL. See also [clamp](#clamp) and [clamp_max](#clamp_max). This function is supported by PromQL.
See also [clamp](#clamp) and [clamp_max](#clamp_max).
#### cos #### cos
@ -1086,7 +1147,9 @@ This function is supported by PromQL. See also [clamp](#clamp) and [clamp_max](#
Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [sin](#sin). This function is supported by PromQL.
See also [sin](#sin).
#### cosh #### cosh
@ -1095,7 +1158,9 @@ for every point of every time series returned by `q`.
Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [acosh](#acosh). This function is supported by PromQL.
See also [acosh](#acosh).
#### day_of_month #### day_of_month
@ -1106,6 +1171,8 @@ Metric names are stripped from the resulting series. Add [keep_metric_names](#ke
This function is supported by PromQL. This function is supported by PromQL.
See also [day_of_week](#day_of_week) and [day_of_year](#day_of_year).
#### day_of_week #### day_of_week
`day_of_week(q)` is a [transform function](#transform-functions), which returns the day of week for every point of every time series returned by `q`. `day_of_week(q)` is a [transform function](#transform-functions), which returns the day of week for every point of every time series returned by `q`.
@ -1115,6 +1182,8 @@ Metric names are stripped from the resulting series. Add [keep_metric_names](#ke
This function is supported by PromQL. This function is supported by PromQL.
See also [day_of_month](#day_of_month) and [day_of_year](#day_of_year).
#### day_of_year #### day_of_year
`day_of_year(q)` is a [transform function](#transform-functions), which returns the day of year for every point of every time series returned by `q`. `day_of_year(q)` is a [transform function](#transform-functions), which returns the day of year for every point of every time series returned by `q`.
@ -1124,6 +1193,8 @@ Metric names are stripped from the resulting series. Add [keep_metric_names](#ke
This function is supported by PromQL. This function is supported by PromQL.
See also [day_of_week](#day_of_week) and [day_of_month](#day_of_month).
#### days_in_month #### days_in_month
`days_in_month(q)` is a [transform function](#transform-functions), which returns the number of days in the month identified `days_in_month(q)` is a [transform function](#transform-functions), which returns the number of days in the month identified
@ -1141,7 +1212,9 @@ for every point of every time series returned by `q`.
Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [rad](#rad). This function is supported by PromQL.
See also [rad](#rad).
#### drop_empty_series #### drop_empty_series
@ -1167,13 +1240,17 @@ See also [start](#start), [time](#time) and [now](#now).
Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [ln](#ln). This function is supported by PromQL.
See also [ln](#ln).
#### floor #### floor
`floor(q)` is a [transform function](#transform-functions), which rounds every point for every time series returned by `q` to the lower nearest integer. `floor(q)` is a [transform function](#transform-functions), which rounds every point for every time series returned by `q` to the lower nearest integer.
This function is supported by PromQL. See also [ceil](#ceil) and [round](#round). This function is supported by PromQL.
See also [ceil](#ceil) and [round](#round).
#### histogram_avg #### histogram_avg
@ -1196,8 +1273,9 @@ When the [percentile](https://en.wikipedia.org/wiki/Percentile) is calculated ov
then all the input histograms **must** have buckets with identical boundaries, e.g. they must have the same set of `le` or `vmrange` labels. then all the input histograms **must** have buckets with identical boundaries, e.g. they must have the same set of `le` or `vmrange` labels.
Otherwise, the returned result may be invalid. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3231) for details. Otherwise, the returned result may be invalid. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3231) for details.
This function is supported by PromQL (except of the `boundLabel` arg). See also [histogram_quantiles](#histogram_quantiles), [histogram_share](#histogram_share) This function is supported by PromQL (except of the `boundLabel` arg).
and [quantile](#quantile).
See also [histogram_quantiles](#histogram_quantiles), [histogram_share](#histogram_share) and [quantile](#quantile).
#### histogram_quantiles #### histogram_quantiles
@ -1269,7 +1347,9 @@ This allows implementing simple paging for `q` time series. See also [limitk](#l
Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [exp](#exp) and [log2](#log2). This function is supported by PromQL.
See also [exp](#exp) and [log2](#log2).
#### log2 #### log2
@ -1277,7 +1357,9 @@ This function is supported by PromQL. See also [exp](#exp) and [log2](#log2).
Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [log10](#log10) and [ln](#ln). This function is supported by PromQL.
See also [log10](#log10) and [ln](#ln).
#### log10 #### log10
@ -1285,7 +1367,9 @@ This function is supported by PromQL. See also [log10](#log10) and [ln](#ln).
Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [log2](#log2) and [ln](#ln). This function is supported by PromQL.
See also [log2](#log2) and [ln](#ln).
#### minute #### minute
@ -1324,7 +1408,9 @@ for every point of every time series returned by `q`.
Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by PromQL. See also [deg](#deg). This function is supported by PromQL.
See also [deg](#deg).
#### prometheus_buckets #### prometheus_buckets
@ -1452,7 +1538,9 @@ for points returned by `q`, e.g. it is equivalent to the following query: `(q -
`round(q, nearest)` is a [transform function](#transform-functions), which rounds every point of every time series returned by `q` to the `nearest` multiple. `round(q, nearest)` is a [transform function](#transform-functions), which rounds every point of every time series returned by `q` to the `nearest` multiple.
If `nearest` is missing then the rounding is performed to the nearest integer. If `nearest` is missing then the rounding is performed to the nearest integer.
This function is supported by PromQL. See also [floor](#floor) and [ceil](#ceil). This function is supported by PromQL.
See also [floor](#floor) and [ceil](#ceil).
#### ru #### ru
@ -1496,7 +1584,9 @@ This function is supported by PromQL.
Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by MetricsQL. See also [cos](#cos). This function is supported by MetricsQL.
See also [cos](#cos).
#### sinh #### sinh
@ -1505,7 +1595,9 @@ for every point of every time series returned by `q`.
Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by MetricsQL. See also [cosh](#cosh). This function is supported by MetricsQL.
See also [cosh](#cosh).
#### tan #### tan
@ -1513,7 +1605,9 @@ This function is supported by MetricsQL. See also [cosh](#cosh).
Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by MetricsQL. See also [atan](#atan). This function is supported by MetricsQL.
See also [atan](#atan).
#### tanh #### tanh
@ -1522,7 +1616,9 @@ for every point of every time series returned by `q`.
Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names. Metric names are stripped from the resulting series. Add [keep_metric_names](#keep_metric_names) modifier in order to keep metric names.
This function is supported by MetricsQL. See also [atanh](#atanh). This function is supported by MetricsQL.
See also [atanh](#atanh).
#### smooth_exponential #### smooth_exponential
@ -1533,13 +1629,17 @@ by `q` using [exponential moving average](https://en.wikipedia.org/wiki/Moving_a
`sort(q)` is a [transform function](#transform-functions), which sorts series in ascending order by the last point in every time series returned by `q`. `sort(q)` is a [transform function](#transform-functions), which sorts series in ascending order by the last point in every time series returned by `q`.
This function is supported by PromQL. See also [sort_desc](#sort_desc) and [sort_by_label](#sort_by_label). This function is supported by PromQL.
See also [sort_desc](#sort_desc) and [sort_by_label](#sort_by_label).
#### sort_desc #### sort_desc
`sort_desc(q)` is a [transform function](#transform-functions), which sorts series in descending order by the last point in every time series returned by `q`. `sort_desc(q)` is a [transform function](#transform-functions), which sorts series in descending order by the last point in every time series returned by `q`.
This function is supported by PromQL. See also [sort](#sort) and [sort_by_label](#sort_by_label_desc). This function is supported by PromQL.
See also [sort](#sort) and [sort_by_label](#sort_by_label_desc).
#### sqrt #### sqrt
@ -1568,7 +1668,9 @@ See also [start](#start) and [end](#end).
`time()` is a [transform function](#transform-functions), which returns unix timestamp for every returned point. `time()` is a [transform function](#transform-functions), which returns unix timestamp for every returned point.
This function is supported by PromQL. See also [timestamp](#timestamp), [now](#now), [start](#start) and [end](#end). This function is supported by PromQL.
See also [timestamp](#timestamp), [now](#now), [start](#start) and [end](#end).
#### timezone_offset #### timezone_offset
@ -1822,7 +1924,9 @@ This function is supported by PromQL.
`bottomk(k, q)` is [aggregate function](#aggregate-functions), which returns up to `k` points with the smallest values across all the time series returned by `q`. `bottomk(k, q)` is [aggregate function](#aggregate-functions), which returns up to `k` points with the smallest values across all the time series returned by `q`.
The aggregate is calculated individually per each group of points with the same timestamp. The aggregate is calculated individually per each group of points with the same timestamp.
This function is supported by PromQL. See also [topk](#topk). This function is supported by PromQL.
See also [topk](#topk), [bottomk_min](#bottomk_min) and [#bottomk_last](#bottomk_last).
#### bottomk_avg #### bottomk_avg
@ -1884,7 +1988,7 @@ The aggregate is calculated individually per each group of points with the same
This function is supported by PromQL. This function is supported by PromQL.
See also [count_values_over_time](#count_values_over_time). See also [count_values_over_time](#count_values_over_time) and [label_match](#label_match).
#### distinct #### distinct
@ -2044,7 +2148,9 @@ for all the time series returned by `q`. The aggregate is calculated individuall
`topk(k, q)` is [aggregate function](#aggregate-functions), which returns up to `k` points with the biggest values across all the time series returned by `q`. `topk(k, q)` is [aggregate function](#aggregate-functions), which returns up to `k` points with the biggest values across all the time series returned by `q`.
The aggregate is calculated individually per each group of points with the same timestamp. The aggregate is calculated individually per each group of points with the same timestamp.
This function is supported by PromQL. See also [bottomk](#bottomk). This function is supported by PromQL.
See also [bottomk](#bottomk), [topk_max](#topk_max) and [topk_last](#topk_last).
#### topk_avg #### topk_avg