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Merge pull request #9553 from prometheus/beorn7/histogram

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promql: Add more test cases for `histogram_quantile`
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Björn Rabenstein 2021-10-21 00:33:11 +02:00 committed by GitHub
parent b0c98e01c8 c00c6ed01f
commit c092a74be9
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1 changed files with 28 additions and 0 deletions
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28
promql/testdata/histograms.test vendored
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@ -15,6 +15,15 @@ load 5m
testhistogram_bucket{le="0.3", start="negative"} 0+2x10
testhistogram_bucket{le="+Inf", start="negative"} 0+3x10
# Another test histogram, where q(1/6), q(1/2), and q(5/6) are each in
# the middle of a bucket and should therefore be 1, 3, and 5,
# respectively.
load 5m
testhistogram2_bucket{le="0"} 0+0x10
testhistogram2_bucket{le="2"} 0+1x10
testhistogram2_bucket{le="4"} 0+2x10
testhistogram2_bucket{le="6"} 0+3x10
testhistogram2_bucket{le="+Inf"} 0+3x10
# Now a more realistic histogram per job and instance to test aggregation.
load 5m
@ -91,6 +100,25 @@ eval instant at 50m histogram_quantile(0.8, rate(testhistogram_bucket[5m]))
{start="positive"} 0.72
{start="negative"} 0.3
# Want results exactly in the middle of the bucket.
eval instant at 7m histogram_quantile(1./6., testhistogram2_bucket)
{} 1
eval instant at 7m histogram_quantile(0.5, testhistogram2_bucket)
{} 3
eval instant at 7m histogram_quantile(5./6., testhistogram2_bucket)
{} 5
eval instant at 47m histogram_quantile(1./6., rate(testhistogram2_bucket[15m]))
{} 1
eval instant at 47m histogram_quantile(0.5, rate(testhistogram2_bucket[15m]))
{} 3
eval instant at 47m histogram_quantile(5./6., rate(testhistogram2_bucket[15m]))
{} 5
# Aggregated histogram: Everything in one.
eval instant at 50m histogram_quantile(0.3, sum(rate(request_duration_seconds_bucket[5m])) by (le))
{} 0.075