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Switch sparse histograms to base-2 buckets #886

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merged 3 commits into from
Jun 24, 2021
Merged

Switch sparse histograms to base-2 buckets #886

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31318b7
Switch to base-2 buckets
beorn7 Jun 11, 2021
6c4e0ef
Add tests for sparse histogram
beorn7 Jun 23, 2021
5142344
Pin client_model to the most recent sparsehistogram commit
beorn7 Jun 24, 2021
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8 changes: 4 additions & 4 deletions examples/random/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -54,10 +54,10 @@ var (
// normal distribution, with 20 buckets centered on the mean, each
// half-sigma wide.
rpcDurationsHistogram = prometheus.NewHistogram(prometheus.HistogramOpts{
Name: "rpc_durations_histogram_seconds",
Help: "RPC latency distributions.",
Buckets: prometheus.LinearBuckets(*normMean-5**normDomain, .5**normDomain, 20),
SparseBucketsResolution: 20,
Name: "rpc_durations_histogram_seconds",
Help: "RPC latency distributions.",
Buckets: prometheus.LinearBuckets(*normMean-5**normDomain, .5**normDomain, 20),
SparseBucketsFactor: 1.1,
})
)

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2 changes: 1 addition & 1 deletion go.mod
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Expand Up @@ -5,7 +5,7 @@ require (
github.com/cespare/xxhash/v2 v2.1.1
github.com/golang/protobuf v1.4.3
github.com/json-iterator/go v1.1.11
github.com/prometheus/client_model v0.2.1-0.20210403151606-24db95a3d5d6
github.com/prometheus/client_model v0.2.1-0.20210624201024-61b6c1aac064
github.com/prometheus/common v0.26.0
github.com/prometheus/procfs v0.6.0
golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40
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5 changes: 3 additions & 2 deletions go.sum
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Expand Up @@ -24,6 +24,7 @@ github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7a
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk=
github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
Expand Down Expand Up @@ -77,8 +78,8 @@ github.com/prometheus/client_golang v1.7.1/go.mod h1:PY5Wy2awLA44sXw4AOSfFBetzPP
github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.2.1-0.20210403151606-24db95a3d5d6 h1:wlZYx9ITBsvMO/wVoi30A36fAdRlBC130JksGGfaYl8=
github.com/prometheus/client_model v0.2.1-0.20210403151606-24db95a3d5d6/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.2.1-0.20210624201024-61b6c1aac064 h1:Kyx21CLOfWDA4e2TcOcupRl2g/Bmddu0AL0hR1BldEw=
github.com/prometheus/client_model v0.2.1-0.20210624201024-61b6c1aac064/go.mod h1:LDGWKZIo7rky3hgvBe+caln+Dr3dPggB5dvjtD7w9+w=
github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
github.com/prometheus/common v0.10.0/go.mod h1:Tlit/dnDKsSWFlCLTWaA1cyBgKHSMdTB80sz/V91rCo=
github.com/prometheus/common v0.26.0 h1:iMAkS2TDoNWnKM+Kopnx/8tnEStIfpYA0ur0xQzzhMQ=
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4 changes: 2 additions & 2 deletions prometheus/examples_test.go
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Expand Up @@ -538,8 +538,8 @@ func ExampleHistogram() {
// cumulative_count: 816
// upper_bound: 40
// >
// sb_resolution: 0
// sb_zero_threshold: 1e-128
// sb_schema: 0
// sb_zero_threshold: 0
// >
}

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