Fix CumulativeCount value of +Inf bucket created from exemplar
#1148
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Signed-off-by: Balint Zsilavecz <balint.zsilavecz@skyscanner.net>
bwplotka
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Oct 13, 2022
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I think you are right, thanks!
The confusion was from the fact that const histogram count includes all in last bucket PLUS what is in Inf but it's not in others. This means Inf should be equal to count.
Can you help reduce confusion by changing the comment in histogram.go:615 from
// buckets is a map of upper bounds to cumulative counts, excluding the +Inf
// bucket.
To something like:
// buckets is a map of upper bounds to cumulative counts, excluding the +Inf
// bucket. The +Inf bucket is implicit, and its value is equal to the provided count.
//
Co-authored-by: Bartlomiej Plotka <bwplotka@gmail.com> Signed-off-by: Balint Zsilavecz <balint.zsilavecz@skyscanner.net>
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Fixes: #1147 |
Signed-off-by: Balint Zsilavecz <balint.zsilavecz@skyscanner.net>
Signed-off-by: Balint Zsilavecz <balint.zsilavecz@skyscanner.net>
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…1148) * Fix `CumulativeCount` value of `+Inf` bucket created from exemplar Signed-off-by: Balint Zsilavecz <balint.zsilavecz@skyscanner.net> * Update prometheus/metric_test.go Co-authored-by: Bartlomiej Plotka <bwplotka@gmail.com> Signed-off-by: Balint Zsilavecz <balint.zsilavecz@skyscanner.net> * Clarify description of implicit `+Inf` bucket count Signed-off-by: Balint Zsilavecz <balint.zsilavecz@skyscanner.net> * Fix test variables Signed-off-by: Balint Zsilavecz <balint.zsilavecz@skyscanner.net> Signed-off-by: Balint Zsilavecz <balint.zsilavecz@skyscanner.net> Co-authored-by: Bartlomiej Plotka <bwplotka@gmail.com>
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….0 (#524) [](https://renovatebot.com) This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [github.com/prometheus/client_golang](https://togithub.com/prometheus/client_golang) | require | minor | `v1.13.0` -> `v1.14.0` | --- ### Release Notes <details> <summary>prometheus/client_golang</summary> ### [`v1.14.0`](https://togithub.com/prometheus/client_golang/releases/tag/v1.14.0): 1.14.0 / 2022-11-08 [Compare Source](https://togithub.com/prometheus/client_golang/compare/v1.13.1...v1.14.0) It might look like a small release, but it's quite opposite 😱 There were many non user facing changes and fixes and enormous work from engineers from Grafana to add native histograms in 💪🏾 Enjoy! 😍 #### What's Changed - \[FEATURE] Add Support for Native Histograms. [#​1150](https://togithub.com/prometheus/client_golang/issues/1150) - \[CHANGE] Extend `prometheus.Registry` to implement `prometheus.Collector` interface. [#​1103](https://togithub.com/prometheus/client_golang/issues/1103) #### New Contributors - [@​hairyhenderson](https://togithub.com/hairyhenderson) made their first contribution in [prometheus/client_golang#1118 - [@​rfratto](https://togithub.com/rfratto) made their first contribution in [prometheus/client_golang#1103 - [@​donotnoot](https://togithub.com/donotnoot) made their first contribution in [prometheus/client_golang#1125 - [@​rogerogers](https://togithub.com/rogerogers) made their first contribution in [prometheus/client_golang#1130 - [@​balintzs](https://togithub.com/balintzs) made their first contribution in [prometheus/client_golang#1148 - [@​fstab](https://togithub.com/fstab) made their first contribution in [prometheus/client_golang#1146 - [@​jessicalins](https://togithub.com/jessicalins) made their first contribution in [prometheus/client_golang#1152 **Full Changelog**: prometheus/client_golang@v1.13.1...v1.14.0 ### [`v1.13.1`](https://togithub.com/prometheus/client_golang/releases/tag/v1.13.1): 1.13.1 / 2022-11-02 [Compare Source](https://togithub.com/prometheus/client_golang/compare/v1.13.0...v1.13.1) - \[BUGFIX] Fix race condition with Exemplar in Counter. [#​1146](https://togithub.com/prometheus/client_golang/issues/1146) - \[BUGFIX] Fix `CumulativeCount` value of `+Inf` bucket created from exemplar. [#​1148](https://togithub.com/prometheus/client_golang/issues/1148) - \[BUGFIX] Fix double-counting bug in `promhttp.InstrumentRoundTripperCounter`. [#​1118](https://togithub.com/prometheus/client_golang/issues/1118) **Full Changelog**: prometheus/client_golang@v1.13.0...v1.13.1 </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://app.renovatebot.com/dashboard#github/mergestat/mergestat). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNC4xOS4wIiwidXBkYXRlZEluVmVyIjoiMzQuMjYuNCJ9-->
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## [1.3.3](v1.3.2...v1.3.3) (2022-12-01) ### ⬆️ Dependencies * **deps:** Bump alpine from 3.16.2 to 3.16.3 ([#388](#388)) ([ffae497](ffae497)) * **deps:** Bump alpine from 3.16.3 to 3.17.0 ([#395](#395)) ([d32255d](d32255d)) * **deps:** Bump github.com/aws/aws-sdk-go from 1.44.126 to 1.44.136 ([#391](#391)) ([61a6ae2](61a6ae2)), closes [#4620](https://github.com/estahn/k8s-image-swapper/issues/4620) [#4619](https://github.com/estahn/k8s-image-swapper/issues/4619) [#4617](https://github.com/estahn/k8s-image-swapper/issues/4617) [#4616](https://github.com/estahn/k8s-image-swapper/issues/4616) [#4615](https://github.com/estahn/k8s-image-swapper/issues/4615) [#4614](https://github.com/estahn/k8s-image-swapper/issues/4614) [#4613](https://github.com/estahn/k8s-image-swapper/issues/4613) [#4611](https://github.com/estahn/k8s-image-swapper/issues/4611) [#4608](https://github.com/estahn/k8s-image-swapper/issues/4608) [#4609](https://github.com/estahn/k8s-image-swapper/issues/4609) * **deps:** Bump github.com/aws/aws-sdk-go from 1.44.136 to 1.44.146 ([#397](#397)) ([d4a6136](d4a6136)), closes [#4638](https://github.com/estahn/k8s-image-swapper/issues/4638) [#4636](https://github.com/estahn/k8s-image-swapper/issues/4636) [#4633](https://github.com/estahn/k8s-image-swapper/issues/4633) [#4632](https://github.com/estahn/k8s-image-swapper/issues/4632) [#4630](https://github.com/estahn/k8s-image-swapper/issues/4630) [#4628](https://github.com/estahn/k8s-image-swapper/issues/4628) [#4627](https://github.com/estahn/k8s-image-swapper/issues/4627) [#4626](https://github.com/estahn/k8s-image-swapper/issues/4626) [#4625](https://github.com/estahn/k8s-image-swapper/issues/4625) [#4624](https://github.com/estahn/k8s-image-swapper/issues/4624) * **deps:** Bump github.com/containers/image/v5 from 5.23.0 to 5.23.1 ([#393](#393)) ([84f4d18](84f4d18)) * **deps:** Bump github.com/go-co-op/gocron from 1.17.1 to 1.18.0 ([#390](#390)) ([1750ee9](1750ee9)), closes [go-co-op/gocron#388](go-co-op/gocron#388) [go-co-op/gocron#389](go-co-op/gocron#389) [go-co-op/gocron#392](go-co-op/gocron#392) [go-co-op/gocron#394](go-co-op/gocron#394) [go-co-op/gocron#393](go-co-op/gocron#393) [go-co-op/gocron#392](go-co-op/gocron#392) [go-co-op/gocron#394](go-co-op/gocron#394) [#393](#393) [#394](#394) [#392](#392) [#389](#389) * **deps:** Bump github.com/gruntwork-io/terratest from 0.40.24 to 0.41.3 ([#398](#398)) ([ab35b1a](ab35b1a)), closes [gruntwork-io/terratest#1203](gruntwork-io/terratest#1203) [gruntwork-io/terratest#1202](gruntwork-io/terratest#1202) [gruntwork-io/terratest#1201](gruntwork-io/terratest#1201) [gruntwork-io/terratest#1199](gruntwork-io/terratest#1199) [gruntwork-io/terratest#1196](gruntwork-io/terratest#1196) [#1202](https://github.com/estahn/k8s-image-swapper/issues/1202) [#1203](https://github.com/estahn/k8s-image-swapper/issues/1203) [#1201](https://github.com/estahn/k8s-image-swapper/issues/1201) [#1199](https://github.com/estahn/k8s-image-swapper/issues/1199) [#1196](https://github.com/estahn/k8s-image-swapper/issues/1196) * **deps:** Bump github.com/prometheus/client_golang from 1.13.0 to 1.13.1 ([#387](#387)) ([b155a16](b155a16)), closes [#1146](https://github.com/estahn/k8s-image-swapper/issues/1146) [#1148](https://github.com/estahn/k8s-image-swapper/issues/1148) [#1118](https://github.com/estahn/k8s-image-swapper/issues/1118) [#1146](https://github.com/estahn/k8s-image-swapper/issues/1146) [#1148](https://github.com/estahn/k8s-image-swapper/issues/1148) [#1118](https://github.com/estahn/k8s-image-swapper/issues/1118) [#1157](https://github.com/estahn/k8s-image-swapper/issues/1157) [#1146](https://github.com/estahn/k8s-image-swapper/issues/1146) [#1148](https://github.com/estahn/k8s-image-swapper/issues/1148) [#1118](https://github.com/estahn/k8s-image-swapper/issues/1118) * **deps:** Bump github.com/prometheus/client_golang from 1.13.1 to 1.14.0 ([#392](#392)) ([af00594](af00594)), closes [#1150](https://github.com/estahn/k8s-image-swapper/issues/1150) [#1103](https://github.com/estahn/k8s-image-swapper/issues/1103) [prometheus/client_golang#1118](prometheus/client_golang#1118) [prometheus/client_golang#1103](prometheus/client_golang#1103) [prometheus/client_golang#1125](prometheus/client_golang#1125) [prometheus/client_golang#1130](prometheus/client_golang#1130) [prometheus/client_golang#1148](prometheus/client_golang#1148) [prometheus/client_golang#1146](prometheus/client_golang#1146) [prometheus/client_golang#1152](prometheus/client_golang#1152) [#1150](https://github.com/estahn/k8s-image-swapper/issues/1150) [#1103](https://github.com/estahn/k8s-image-swapper/issues/1103) [#1162](https://github.com/estahn/k8s-image-swapper/issues/1162) [#1161](https://github.com/estahn/k8s-image-swapper/issues/1161) [#1160](https://github.com/estahn/k8s-image-swapper/issues/1160) [#1136](https://github.com/estahn/k8s-image-swapper/issues/1136) [#1133](https://github.com/estahn/k8s-image-swapper/issues/1133) [#1150](https://github.com/estahn/k8s-image-swapper/issues/1150) [#1152](https://github.com/estahn/k8s-image-swapper/issues/1152) * **deps:** Bump github.com/spf13/viper from 1.13.0 to 1.14.0 ([#385](#385)) ([6f79498](6f79498)), closes [spf13/viper#1457](spf13/viper#1457) [spf13/viper#1458](spf13/viper#1458) [spf13/viper#1460](spf13/viper#1460) [spf13/viper#1428](spf13/viper#1428) [spf13/viper#1406](spf13/viper#1406) [spf13/viper#1437](spf13/viper#1437) [spf13/viper#1453](spf13/viper#1453) [spf13/viper#1449](spf13/viper#1449) [spf13/viper#1461](spf13/viper#1461) * **deps:** Bump golangci/golangci-lint-action from 3.3.0 to 3.3.1 ([#389](#389)) ([0b50f7b](0b50f7b)), closes [golangci/golangci-lint-action#590](golangci/golangci-lint-action#590) [golangci/golangci-lint-action#591](golangci/golangci-lint-action#591) [golangci/golangci-lint-action#592](golangci/golangci-lint-action#592) [golangci/golangci-lint-action#593](golangci/golangci-lint-action#593) [golangci/golangci-lint-action#594](golangci/golangci-lint-action#594) [golangci/golangci-lint-action#595](golangci/golangci-lint-action#595) [golangci/golangci-lint-action#596](golangci/golangci-lint-action#596) [golangci/golangci-lint-action#597](golangci/golangci-lint-action#597) [golangci/golangci-lint-action#598](golangci/golangci-lint-action#598) [golangci/golangci-lint-action#599](golangci/golangci-lint-action#599) [#599](#599) [#598](#598) [#596](#596) [#595](#595) [#593](#593) [#591](#591) [#590](#590) * **deps:** Bump hmarr/auto-approve-action from 2 to 3 ([#396](#396)) ([0b982a2](0b982a2)), closes [hmarr/auto-approve-action#205](hmarr/auto-approve-action#205) [hmarr/auto-approve-action#202](hmarr/auto-approve-action#202) [hmarr/auto-approve-action#202](hmarr/auto-approve-action#202) [hmarr/auto-approve-action#200](hmarr/auto-approve-action#200) [hmarr/auto-approve-action#200](hmarr/auto-approve-action#200) [hmarr/auto-approve-action#186](hmarr/auto-approve-action#186) [hmarr/auto-approve-action#191](hmarr/auto-approve-action#191) [#210](#210) [#205](#205) * **deps:** Bump k8s.io/api from 0.25.3 to 0.25.4 ([#401](#401)) ([0f80b5d](0f80b5d)) * **deps:** Bump k8s.io/apimachinery from 0.25.3 to 0.25.4 ([#399](#399)) ([1f0944f](1f0944f)), closes [#112218](https://github.com/estahn/k8s-image-swapper/issues/112218) [haoruan/automated-cherry-pick-of-#111936](https://github.com/haoruan/automated-cherry-pick-of-/issues/111936) * **deps:** Bump k8s.io/client-go from 0.25.3 to 0.25.4 ([#400](#400)) ([ad036e0](ad036e0))
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When writing histogram metrics, and there is an exemplar for the +Inf bucket, then the +Inf bucket is added with the value of the previous bucket.
This is incorrect, as the cumulative count of the +Inf bucket should instead be added with the total count of the histogram datapoint.
The above behaviour results in invalid values being reported for the +Inf bucket.
See issue: #1147
@bwplotka @kakkoyun