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prometheus/promql/testdata/functions.test

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Implement changes() function. changes() takes a range vector and returns the number of times a value has changed in the given time window for each time series as an instant vector.
10 years ago
# Testdata for resets() and changes().
Add resets() function to count counter resets. resets() returns for every range vector element how many counter resets there have been in the specified range.
10 years ago
load 5m
http_requests{path="/foo"} 1 2 3 0 1 0 0 1 2 0
http_requests{path="/bar"} 1 2 3 4 5 1 2 3 4 5
Implement changes() function. changes() takes a range vector and returns the number of times a value has changed in the given time window for each time series as an instant vector.
10 years ago
http_requests{path="/biz"} 0 0 0 0 0 1 1 1 1 1
Add resets() function to count counter resets. resets() returns for every range vector element how many counter resets there have been in the specified range.
10 years ago
Implement changes() function. changes() takes a range vector and returns the number of times a value has changed in the given time window for each time series as an instant vector.
10 years ago
# Tests for resets().
Add resets() function to count counter resets. resets() returns for every range vector element how many counter resets there have been in the specified range.
10 years ago
eval instant at 50m resets(http_requests[5m])
{path="/foo"} 0
{path="/bar"} 0
Implement changes() function. changes() takes a range vector and returns the number of times a value has changed in the given time window for each time series as an instant vector.
10 years ago
{path="/biz"} 0
Add resets() function to count counter resets. resets() returns for every range vector element how many counter resets there have been in the specified range.
10 years ago
eval instant at 50m resets(http_requests[20m])
{path="/foo"} 1
{path="/bar"} 0
Implement changes() function. changes() takes a range vector and returns the number of times a value has changed in the given time window for each time series as an instant vector.
10 years ago
{path="/biz"} 0
Add resets() function to count counter resets. resets() returns for every range vector element how many counter resets there have been in the specified range.
10 years ago
eval instant at 50m resets(http_requests[30m])
{path="/foo"} 2
{path="/bar"} 1
Implement changes() function. changes() takes a range vector and returns the number of times a value has changed in the given time window for each time series as an instant vector.
10 years ago
{path="/biz"} 0
Add resets() function to count counter resets. resets() returns for every range vector element how many counter resets there have been in the specified range.
10 years ago
eval instant at 50m resets(http_requests[50m])
{path="/foo"} 3
{path="/bar"} 1
Implement changes() function. changes() takes a range vector and returns the number of times a value has changed in the given time window for each time series as an instant vector.
10 years ago
{path="/biz"} 0
Add resets() function to count counter resets. resets() returns for every range vector element how many counter resets there have been in the specified range.
10 years ago
eval instant at 50m resets(nonexistent_metric[50m])
Implement changes() function. changes() takes a range vector and returns the number of times a value has changed in the given time window for each time series as an instant vector.
10 years ago
# Tests for changes().
eval instant at 50m changes(http_requests[5m])
{path="/foo"} 0
{path="/bar"} 0
{path="/biz"} 0
eval instant at 50m changes(http_requests[20m])
{path="/foo"} 3
{path="/bar"} 3
{path="/biz"} 0
eval instant at 50m changes(http_requests[30m])
{path="/foo"} 4
{path="/bar"} 5
{path="/biz"} 1
eval instant at 50m changes(http_requests[50m])
{path="/foo"} 8
{path="/bar"} 9
{path="/biz"} 1
eval instant at 50m changes(nonexistent_metric[50m])
Add increase() function, to replace delta(..., 1). This calculates how much a counter increases over a given period of time, which is the area under the curve of it's rate. increase(x[5m]) is equivilent to rate(x[5m]) * 300.
10 years ago
clear
# Tests for increase().
load 5m
http_requests{path="/foo"} 0+10x10
http_requests{path="/bar"} 0+10x5 0+10x5
# Tests for increase().
eval instant at 50m increase(http_requests[50m])
{path="/foo"} 100
{path="/bar"} 90
promql: Add support for predict_linear(my_timeseries[1h], 7200) This will give a prediction for the value of my_timeseries in 2 hours, based on the last hour of data.
9 years ago
promql: Add irate() function irate is a rate function that only looks at the most recent two data points, and calucaltes a per-second value from that. This produces much more granular graphs for fast moving data, and works sanely across many scrape intervals. It doesn't do so well for slowly moving data.
9 years ago
clear
# Tests for irate().
load 5m
http_requests{path="/foo"} 0+10x10
http_requests{path="/bar"} 0+10x5 0+10x5
eval instant at 50m irate(http_requests[50m])
{path="/foo"} .03333333333333333333
{path="/bar"} .03333333333333333333
# Counter reset.
eval instant at 30m irate(http_requests[50m])
{path="/foo"} .03333333333333333333
{path="/bar"} 0
promql: Add support for predict_linear(my_timeseries[1h], 7200) This will give a prediction for the value of my_timeseries in 2 hours, based on the last hour of data.
9 years ago
clear
# Tests for deriv() and predict_linear().
load 5m
testcounter_reset_middle 0+10x4 0+10x5
http_requests{job="app-server", instance="1", group="canary"} 0+80x10
Implement label_replace() Implements part of https://github.com/prometheus/prometheus/issues/959.
9 years ago
# deriv should return the same as rate in simple cases.
promql: Add support for predict_linear(my_timeseries[1h], 7200) This will give a prediction for the value of my_timeseries in 2 hours, based on the last hour of data.
9 years ago
eval instant at 50m rate(http_requests{group="canary", instance="1", job="app-server"}[60m])
{group="canary", instance="1", job="app-server"} 0.26666666666666666
eval instant at 50m deriv(http_requests{group="canary", instance="1", job="app-server"}[60m])
{group="canary", instance="1", job="app-server"} 0.26666666666666666
Implement label_replace() Implements part of https://github.com/prometheus/prometheus/issues/959.
9 years ago
# deriv should return correct result.
promql: Add support for predict_linear(my_timeseries[1h], 7200) This will give a prediction for the value of my_timeseries in 2 hours, based on the last hour of data.
9 years ago
eval instant at 50m deriv(testcounter_reset_middle[100m])
{} 0.010606060606060607
Implement label_replace() Implements part of https://github.com/prometheus/prometheus/issues/959.
9 years ago
# predict_linear should return correct result.
promql: Add support for predict_linear(my_timeseries[1h], 7200) This will give a prediction for the value of my_timeseries in 2 hours, based on the last hour of data.
9 years ago
eval instant at 50m predict_linear(testcounter_reset_middle[100m], 3600)
{} 88.181818181818185200
Implement label_replace() Implements part of https://github.com/prometheus/prometheus/issues/959.
9 years ago
# predict_linear is syntactic sugar around deriv.
promql: Add support for predict_linear(my_timeseries[1h], 7200) This will give a prediction for the value of my_timeseries in 2 hours, based on the last hour of data.
9 years ago
eval instant at 50m predict_linear(http_requests[50m], 3600) - (http_requests + deriv(http_requests[50m]) * 3600)
{group="canary", instance="1", job="app-server"} 0
eval instant at 50m predict_linear(testcounter_reset_middle[100m], 3600) - (testcounter_reset_middle + deriv(testcounter_reset_middle[100m]) * 3600)
{} 0
Implement label_replace() Implements part of https://github.com/prometheus/prometheus/issues/959.
9 years ago
clear
# Tests for label_replace.
load 5m
testmetric{src="source-value-10",dst="original-destination-value"} 0
testmetric{src="source-value-20",dst="original-destination-value"} 1
Change relabel_replace() to do full-string matches. THIS IS A BREAKING CHANGE. Fixes part of https://github.com/prometheus/prometheus/issues/996
9 years ago
# label_replace does a full-string match and replace.
eval instant at 0m label_replace(testmetric, "dst", "destination-value-$1", "src", "source-value-(.*)")
Implement label_replace() Implements part of https://github.com/prometheus/prometheus/issues/959.
9 years ago
testmetric{src="source-value-10",dst="destination-value-10"} 0
testmetric{src="source-value-20",dst="destination-value-20"} 1
Change relabel_replace() to do full-string matches. THIS IS A BREAKING CHANGE. Fixes part of https://github.com/prometheus/prometheus/issues/996
9 years ago
# label_replace does not do a sub-string match.
eval instant at 0m label_replace(testmetric, "dst", "destination-value-$1", "src", "value-(.*)")
testmetric{src="source-value-10",dst="original-destination-value"} 0
testmetric{src="source-value-20",dst="original-destination-value"} 1
Implement label_replace() Implements part of https://github.com/prometheus/prometheus/issues/959.
9 years ago
# label_replace works with multiple capture groups.
eval instant at 0m label_replace(testmetric, "dst", "$1-value-$2", "src", "(.*)-value-(.*)")
testmetric{src="source-value-10",dst="source-value-10"} 0
testmetric{src="source-value-20",dst="source-value-20"} 1
# label_replace does not overwrite the destination label if the source label
# does not exist.
eval instant at 0m label_replace(testmetric, "dst", "value-$1", "nonexistent-src", "source-value-(.*)")
testmetric{src="source-value-10",dst="original-destination-value"} 0
testmetric{src="source-value-20",dst="original-destination-value"} 1
# label_replace overwrites the destination label if the source label is empty,
# but matched.
eval instant at 0m label_replace(testmetric, "dst", "value-$1", "nonexistent-src", "(.*)")
testmetric{src="source-value-10",dst="value-"} 0
testmetric{src="source-value-20",dst="value-"} 1
# label_replace does not overwrite the destination label if the source label
# is not matched.
eval instant at 0m label_replace(testmetric, "dst", "value-$1", "src", "non-matching-regex")
testmetric{src="source-value-10",dst="original-destination-value"} 0
testmetric{src="source-value-20",dst="original-destination-value"} 1
# label_replace drops labels that are set to empty values.
Change relabel_replace() to do full-string matches. THIS IS A BREAKING CHANGE. Fixes part of https://github.com/prometheus/prometheus/issues/996
9 years ago
eval instant at 0m label_replace(testmetric, "dst", "", "dst", ".*")
Implement label_replace() Implements part of https://github.com/prometheus/prometheus/issues/959.
9 years ago
testmetric{src="source-value-10"} 0
testmetric{src="source-value-20"} 1
# label_replace fails when the regex is invalid.
eval_fail instant at 0m label_replace(testmetric, "dst", "value-$1", "src", "(.*")
# label_replace fails when the destination label name is not a valid Prometheus label name.
eval_fail instant at 0m label_replace(testmetric, "invalid-label-name", "", "src", "(.*)")
# label_replace fails when there would be duplicated identical output label sets.
eval_fail instant at 0m label_replace(testmetric, "src", "", "", "")
promql: Add vector function. Currently the only way to convert a scalar to a vector is to use absent(), which isn't very clean. This adds a vector() function that's the inverse of scalar() and lets your optionally set labels. Example usage would be vector(time() % 86400) < 3600 to filter to only the first hour of the day.
9 years ago
clear
# Tests for vector.
eval instant at 0m vector(1)
{} 1
eval instant at 60m vector(time())
{} 3600
promql: Add clamp_max/clamp_min functions.
9 years ago
clear
# Tests for clamp_max and clamp_min().
load 5m
test_clamp{src="clamp-a"} -50
test_clamp{src="clamp-b"} 0
test_clamp{src="clamp-c"} 100
eval instant at 0m clamp_max(test_clamp, 75)
{src="clamp-a"} -50
{src="clamp-b"} 0
{src="clamp-c"} 75
eval instant at 0m clamp_min(test_clamp, -25)
{src="clamp-a"} -25
{src="clamp-b"} 0
{src="clamp-c"} 100
eval instant at 0m clamp_max(clamp_min(test_clamp, -20), 70)
{src="clamp-a"} -20
{src="clamp-b"} 0
{src="clamp-c"} 70
Move topk/bottomk tests from legacy.
9 years ago
clear
# Tests for topk/bottomk.
load 5m
http_requests{job="api-server", instance="0", group="production"} 0+10x10
http_requests{job="api-server", instance="1", group="production"} 0+20x10
Make topk/bottomk prefer returning real numbers over NaN.
9 years ago
http_requests{job="api-server", instance="2", group="production"} NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN
Move topk/bottomk tests from legacy.
9 years ago
http_requests{job="api-server", instance="0", group="canary"} 0+30x10
http_requests{job="api-server", instance="1", group="canary"} 0+40x10
http_requests{job="app-server", instance="0", group="production"} 0+50x10
http_requests{job="app-server", instance="1", group="production"} 0+60x10
http_requests{job="app-server", instance="0", group="canary"} 0+70x10
http_requests{job="app-server", instance="1", group="canary"} 0+80x10
eval_ordered instant at 50m topk(3, http_requests)
http_requests{group="canary", instance="1", job="app-server"} 800
http_requests{group="canary", instance="0", job="app-server"} 700
http_requests{group="production", instance="1", job="app-server"} 600
eval_ordered instant at 50m topk(5, http_requests{group="canary",job="app-server"})
http_requests{group="canary", instance="1", job="app-server"} 800
http_requests{group="canary", instance="0", job="app-server"} 700
eval_ordered instant at 50m bottomk(3, http_requests)
http_requests{group="production", instance="0", job="api-server"} 100
http_requests{group="production", instance="1", job="api-server"} 200
http_requests{group="canary", instance="0", job="api-server"} 300
eval_ordered instant at 50m bottomk(5, http_requests{group="canary",job="app-server"})
http_requests{group="canary", instance="0", job="app-server"} 700
http_requests{group="canary", instance="1", job="app-server"} 800
Make topk/bottomk prefer returning real numbers over NaN.
9 years ago
# Test NaN is sorted away from the top/bottom.
eval_ordered instant at 50m topk(3, http_requests{job="api-server",group="production"})
http_requests{job="api-server", instance="1", group="production"} 200
http_requests{job="api-server", instance="0", group="production"} 100
http_requests{job="api-server", instance="2", group="production"} NaN
eval_ordered instant at 50m bottomk(3, http_requests{job="api-server",group="production"})
http_requests{job="api-server", instance="0", group="production"} 100
http_requests{job="api-server", instance="1", group="production"} 200
http_requests{job="api-server", instance="2", group="production"} NaN
Similar to topk/bottomk, have sort/sort_desc put NaN at end. This makes topk and bottomk consistent with the sorting functions, as per #1271.
9 years ago
# Tests for sort/sort_desc.
clear
load 5m
http_requests{job="api-server", instance="0", group="production"} 0+10x10
http_requests{job="api-server", instance="1", group="production"} 0+20x10
http_requests{job="api-server", instance="0", group="canary"} 0+30x10
http_requests{job="api-server", instance="1", group="canary"} 0+40x10
http_requests{job="api-server", instance="2", group="canary"} NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN
http_requests{job="app-server", instance="0", group="production"} 0+50x10
http_requests{job="app-server", instance="1", group="production"} 0+60x10
http_requests{job="app-server", instance="0", group="canary"} 0+70x10
http_requests{job="app-server", instance="1", group="canary"} 0+80x10
eval_ordered instant at 50m sort(http_requests)
http_requests{group="production", instance="0", job="api-server"} 100
http_requests{group="production", instance="1", job="api-server"} 200
http_requests{group="canary", instance="0", job="api-server"} 300
http_requests{group="canary", instance="1", job="api-server"} 400
http_requests{group="production", instance="0", job="app-server"} 500
http_requests{group="production", instance="1", job="app-server"} 600
http_requests{group="canary", instance="0", job="app-server"} 700
http_requests{group="canary", instance="1", job="app-server"} 800
http_requests{group="canary", instance="2", job="api-server"} NaN
eval_ordered instant at 50m sort_desc(http_requests)
http_requests{group="canary", instance="1", job="app-server"} 800
http_requests{group="canary", instance="0", job="app-server"} 700
http_requests{group="production", instance="1", job="app-server"} 600
http_requests{group="production", instance="0", job="app-server"} 500
http_requests{group="canary", instance="1", job="api-server"} 400
http_requests{group="canary", instance="0", job="api-server"} 300
http_requests{group="production", instance="1", job="api-server"} 200
http_requests{group="production", instance="0", job="api-server"} 100
http_requests{group="canary", instance="2", job="api-server"} NaN