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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