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c77c3a8c56
The new implementation detects the start and end of a series by looking at the average sample interval within the range. If the first (last) sample in the range is more than 1.1*interval distant from the beginning (end) of the range, it is considered the first (last) sample of the series as a whole, and extrapolation is limited to half the interval (rather than all the way to the beginning (end) of the range). In addition, if the extrapolated starting point of a counter (where it is zero) is within the range, it is used as the starting point of the series. Fixes #581
279 lines
10 KiB
Plaintext
279 lines
10 KiB
Plaintext
# Testdata for resets() and changes().
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load 5m
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http_requests{path="/foo"} 1 2 3 0 1 0 0 1 2 0
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http_requests{path="/bar"} 1 2 3 4 5 1 2 3 4 5
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http_requests{path="/biz"} 0 0 0 0 0 1 1 1 1 1
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# Tests for resets().
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eval instant at 50m resets(http_requests[5m])
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{path="/foo"} 0
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{path="/bar"} 0
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{path="/biz"} 0
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eval instant at 50m resets(http_requests[20m])
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{path="/foo"} 1
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{path="/bar"} 0
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{path="/biz"} 0
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eval instant at 50m resets(http_requests[30m])
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{path="/foo"} 2
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{path="/bar"} 1
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{path="/biz"} 0
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eval instant at 50m resets(http_requests[50m])
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{path="/foo"} 3
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{path="/bar"} 1
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{path="/biz"} 0
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eval instant at 50m resets(nonexistent_metric[50m])
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# Tests for changes().
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eval instant at 50m changes(http_requests[5m])
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{path="/foo"} 0
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{path="/bar"} 0
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{path="/biz"} 0
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eval instant at 50m changes(http_requests[20m])
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{path="/foo"} 3
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{path="/bar"} 3
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{path="/biz"} 0
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eval instant at 50m changes(http_requests[30m])
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{path="/foo"} 4
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{path="/bar"} 5
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{path="/biz"} 1
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eval instant at 50m changes(http_requests[50m])
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{path="/foo"} 8
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{path="/bar"} 9
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{path="/biz"} 1
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eval instant at 50m changes(nonexistent_metric[50m])
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clear
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# Tests for increase().
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load 5m
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http_requests{path="/foo"} 0+10x10
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http_requests{path="/bar"} 0+10x5 0+10x5
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# Tests for increase().
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eval instant at 50m increase(http_requests[50m])
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{path="/foo"} 100
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{path="/bar"} 90
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eval instant at 50m increase(http_requests[100m])
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{path="/foo"} 100
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{path="/bar"} 90
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clear
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# Tests for irate().
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load 5m
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http_requests{path="/foo"} 0+10x10
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http_requests{path="/bar"} 0+10x5 0+10x5
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eval instant at 50m irate(http_requests[50m])
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{path="/foo"} .03333333333333333333
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{path="/bar"} .03333333333333333333
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# Counter reset.
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eval instant at 30m irate(http_requests[50m])
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{path="/foo"} .03333333333333333333
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{path="/bar"} 0
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clear
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# Tests for deriv() and predict_linear().
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load 5m
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testcounter_reset_middle 0+10x4 0+10x5
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http_requests{job="app-server", instance="1", group="canary"} 0+80x10
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# deriv should return the same as rate in simple cases.
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eval instant at 50m rate(http_requests{group="canary", instance="1", job="app-server"}[50m])
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{group="canary", instance="1", job="app-server"} 0.26666666666666666
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eval instant at 50m deriv(http_requests{group="canary", instance="1", job="app-server"}[50m])
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{group="canary", instance="1", job="app-server"} 0.26666666666666666
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# deriv should return correct result.
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eval instant at 50m deriv(testcounter_reset_middle[100m])
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{} 0.010606060606060607
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# predict_linear should return correct result.
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eval instant at 50m predict_linear(testcounter_reset_middle[100m], 3600)
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{} 88.181818181818185200
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# predict_linear is syntactic sugar around deriv.
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eval instant at 50m predict_linear(http_requests[50m], 3600) - (http_requests + deriv(http_requests[50m]) * 3600)
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{group="canary", instance="1", job="app-server"} 0
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eval instant at 50m predict_linear(testcounter_reset_middle[100m], 3600) - (testcounter_reset_middle + deriv(testcounter_reset_middle[100m]) * 3600)
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{} 0
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clear
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# Tests for label_replace.
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load 5m
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testmetric{src="source-value-10",dst="original-destination-value"} 0
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testmetric{src="source-value-20",dst="original-destination-value"} 1
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# label_replace does a full-string match and replace.
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eval instant at 0m label_replace(testmetric, "dst", "destination-value-$1", "src", "source-value-(.*)")
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testmetric{src="source-value-10",dst="destination-value-10"} 0
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testmetric{src="source-value-20",dst="destination-value-20"} 1
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# label_replace does not do a sub-string match.
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eval instant at 0m label_replace(testmetric, "dst", "destination-value-$1", "src", "value-(.*)")
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testmetric{src="source-value-10",dst="original-destination-value"} 0
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testmetric{src="source-value-20",dst="original-destination-value"} 1
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# label_replace works with multiple capture groups.
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eval instant at 0m label_replace(testmetric, "dst", "$1-value-$2", "src", "(.*)-value-(.*)")
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testmetric{src="source-value-10",dst="source-value-10"} 0
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testmetric{src="source-value-20",dst="source-value-20"} 1
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# label_replace does not overwrite the destination label if the source label
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# does not exist.
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eval instant at 0m label_replace(testmetric, "dst", "value-$1", "nonexistent-src", "source-value-(.*)")
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testmetric{src="source-value-10",dst="original-destination-value"} 0
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testmetric{src="source-value-20",dst="original-destination-value"} 1
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# label_replace overwrites the destination label if the source label is empty,
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# but matched.
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eval instant at 0m label_replace(testmetric, "dst", "value-$1", "nonexistent-src", "(.*)")
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testmetric{src="source-value-10",dst="value-"} 0
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testmetric{src="source-value-20",dst="value-"} 1
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# label_replace does not overwrite the destination label if the source label
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# is not matched.
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eval instant at 0m label_replace(testmetric, "dst", "value-$1", "src", "non-matching-regex")
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testmetric{src="source-value-10",dst="original-destination-value"} 0
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testmetric{src="source-value-20",dst="original-destination-value"} 1
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# label_replace drops labels that are set to empty values.
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eval instant at 0m label_replace(testmetric, "dst", "", "dst", ".*")
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testmetric{src="source-value-10"} 0
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testmetric{src="source-value-20"} 1
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# label_replace fails when the regex is invalid.
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eval_fail instant at 0m label_replace(testmetric, "dst", "value-$1", "src", "(.*")
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# label_replace fails when the destination label name is not a valid Prometheus label name.
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eval_fail instant at 0m label_replace(testmetric, "invalid-label-name", "", "src", "(.*)")
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# label_replace fails when there would be duplicated identical output label sets.
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eval_fail instant at 0m label_replace(testmetric, "src", "", "", "")
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clear
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# Tests for vector.
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eval instant at 0m vector(1)
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{} 1
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eval instant at 60m vector(time())
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{} 3600
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clear
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# Tests for clamp_max and clamp_min().
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load 5m
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test_clamp{src="clamp-a"} -50
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test_clamp{src="clamp-b"} 0
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test_clamp{src="clamp-c"} 100
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eval instant at 0m clamp_max(test_clamp, 75)
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{src="clamp-a"} -50
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{src="clamp-b"} 0
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{src="clamp-c"} 75
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eval instant at 0m clamp_min(test_clamp, -25)
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{src="clamp-a"} -25
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{src="clamp-b"} 0
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{src="clamp-c"} 100
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eval instant at 0m clamp_max(clamp_min(test_clamp, -20), 70)
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{src="clamp-a"} -20
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{src="clamp-b"} 0
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{src="clamp-c"} 70
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clear
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# Tests for topk/bottomk.
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load 5m
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http_requests{job="api-server", instance="0", group="production"} 0+10x10
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http_requests{job="api-server", instance="1", group="production"} 0+20x10
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http_requests{job="api-server", instance="2", group="production"} NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN
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http_requests{job="api-server", instance="0", group="canary"} 0+30x10
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http_requests{job="api-server", instance="1", group="canary"} 0+40x10
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http_requests{job="app-server", instance="0", group="production"} 0+50x10
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http_requests{job="app-server", instance="1", group="production"} 0+60x10
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http_requests{job="app-server", instance="0", group="canary"} 0+70x10
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http_requests{job="app-server", instance="1", group="canary"} 0+80x10
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eval_ordered instant at 50m topk(3, http_requests)
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http_requests{group="canary", instance="1", job="app-server"} 800
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http_requests{group="canary", instance="0", job="app-server"} 700
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http_requests{group="production", instance="1", job="app-server"} 600
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eval_ordered instant at 50m topk(5, http_requests{group="canary",job="app-server"})
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http_requests{group="canary", instance="1", job="app-server"} 800
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http_requests{group="canary", instance="0", job="app-server"} 700
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eval_ordered instant at 50m bottomk(3, http_requests)
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http_requests{group="production", instance="0", job="api-server"} 100
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http_requests{group="production", instance="1", job="api-server"} 200
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http_requests{group="canary", instance="0", job="api-server"} 300
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eval_ordered instant at 50m bottomk(5, http_requests{group="canary",job="app-server"})
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http_requests{group="canary", instance="0", job="app-server"} 700
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http_requests{group="canary", instance="1", job="app-server"} 800
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# Test NaN is sorted away from the top/bottom.
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eval_ordered instant at 50m topk(3, http_requests{job="api-server",group="production"})
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http_requests{job="api-server", instance="1", group="production"} 200
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http_requests{job="api-server", instance="0", group="production"} 100
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http_requests{job="api-server", instance="2", group="production"} NaN
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eval_ordered instant at 50m bottomk(3, http_requests{job="api-server",group="production"})
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http_requests{job="api-server", instance="0", group="production"} 100
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http_requests{job="api-server", instance="1", group="production"} 200
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http_requests{job="api-server", instance="2", group="production"} NaN
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# Tests for sort/sort_desc.
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clear
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load 5m
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http_requests{job="api-server", instance="0", group="production"} 0+10x10
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http_requests{job="api-server", instance="1", group="production"} 0+20x10
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http_requests{job="api-server", instance="0", group="canary"} 0+30x10
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http_requests{job="api-server", instance="1", group="canary"} 0+40x10
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http_requests{job="api-server", instance="2", group="canary"} NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN
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http_requests{job="app-server", instance="0", group="production"} 0+50x10
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http_requests{job="app-server", instance="1", group="production"} 0+60x10
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http_requests{job="app-server", instance="0", group="canary"} 0+70x10
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http_requests{job="app-server", instance="1", group="canary"} 0+80x10
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eval_ordered instant at 50m sort(http_requests)
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http_requests{group="production", instance="0", job="api-server"} 100
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http_requests{group="production", instance="1", job="api-server"} 200
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http_requests{group="canary", instance="0", job="api-server"} 300
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http_requests{group="canary", instance="1", job="api-server"} 400
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http_requests{group="production", instance="0", job="app-server"} 500
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http_requests{group="production", instance="1", job="app-server"} 600
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http_requests{group="canary", instance="0", job="app-server"} 700
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http_requests{group="canary", instance="1", job="app-server"} 800
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http_requests{group="canary", instance="2", job="api-server"} NaN
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eval_ordered instant at 50m sort_desc(http_requests)
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http_requests{group="canary", instance="1", job="app-server"} 800
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http_requests{group="canary", instance="0", job="app-server"} 700
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http_requests{group="production", instance="1", job="app-server"} 600
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http_requests{group="production", instance="0", job="app-server"} 500
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http_requests{group="canary", instance="1", job="api-server"} 400
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http_requests{group="canary", instance="0", job="api-server"} 300
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http_requests{group="production", instance="1", job="api-server"} 200
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http_requests{group="production", instance="0", job="api-server"} 100
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http_requests{group="canary", instance="2", job="api-server"} NaN
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