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add process start time header to client_golang prometheus #1278
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Signed-off-by: Han Kang <hankang@google.com>
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Thanks! Generally LGTM, just I wonder if it wouldn't be simpler to give user option what value to put (more flexible).
Also updated commentary, let me know if it makes sense!
Co-authored-by: Bartlomiej Plotka <bwplotka@gmail.com> Signed-off-by: Han Kang <hankang@google.com>
Something weird is happening with Circle CI - I think it's connected to CircleCi denying hook from first time contributors? Will fix main if build error happens and in free time we have to change to GitHub actions anyway. |
CI: https://app.circleci.com/pipelines/github/prometheus/client_golang/1002 (passed) Move to GH TODO: #1280 |
….0 (#709) [](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 | `v1.15.1` -> `v1.16.0` | --- ### Release Notes <details> <summary>prometheus/client_golang</summary> ### [`v1.16.0`](https://togithub.com/prometheus/client_golang/releases/tag/v1.16.0) [Compare Source](https://togithub.com/prometheus/client_golang/compare/v1.15.1...v1.16.0) #### What's Changed - \[BUGFIX] api: Switch to POST for LabelNames, Series, and QueryExemplars. [#​1252](https://togithub.com/prometheus/client_golang/issues/1252) - \[BUGFIX] api: Fix undefined execution order in return statements. [#​1260](https://togithub.com/prometheus/client_golang/issues/1260) - \[BUGFIX] native histograms: Fix bug in bucket key calculation. [#​1279](https://togithub.com/prometheus/client_golang/issues/1279) - \[ENHANCEMENT] Reduce constrainLabels allocations for all metrics. [#​1272](https://togithub.com/prometheus/client_golang/issues/1272) - \[ENHANCEMENT] promhttp: Add process start time header for scrape efficiency. [#​1278](https://togithub.com/prometheus/client_golang/issues/1278) - \[ENHANCEMENT] promlint: Improve metricUnits runtime. [#​1286](https://togithub.com/prometheus/client_golang/issues/1286) <details> <summary> Commits </summary> - Merge v1.15 to main by [@​bwplotka](https://togithub.com/bwplotka) in [https://github.com/prometheus/client_golang/pull/1250](https://togithub.com/prometheus/client_golang/pull/1250) - Switch to POST for LabelNames, Series, and QueryExemplars to DoGetFallback by [@​jacksontj](https://togithub.com/jacksontj) in [https://github.com/prometheus/client_golang/pull/1252](https://togithub.com/prometheus/client_golang/pull/1252) - ✏️ \[collectors]: fix typo in test assertion by [@​vegerot](https://togithub.com/vegerot) in [https://github.com/prometheus/client_golang/pull/1153](https://togithub.com/prometheus/client_golang/pull/1153) - Added interactive tutorial \[kubeCon] by [@​bwplotka](https://togithub.com/bwplotka) in [https://github.com/prometheus/client_golang/pull/1255](https://togithub.com/prometheus/client_golang/pull/1255) - Fixed tutorial. by [@​bwplotka](https://togithub.com/bwplotka) in [https://github.com/prometheus/client_golang/pull/1256](https://togithub.com/prometheus/client_golang/pull/1256) - Bump golang.org/x/sys from 0.6.0 to 0.7.0 by [@​dependabot](https://togithub.com/dependabot) in [https://github.com/prometheus/client_golang/pull/1265](https://togithub.com/prometheus/client_golang/pull/1265) - Cleanup proto use in tests by [@​SuperQ](https://togithub.com/SuperQ) in [https://github.com/prometheus/client_golang/pull/1264](https://togithub.com/prometheus/client_golang/pull/1264) - Fix tutorial on WSL-based systems by [@​marevers](https://togithub.com/marevers) in [https://github.com/prometheus/client_golang/pull/1257](https://togithub.com/prometheus/client_golang/pull/1257) - Fix undefined execution order in return statements by [@​PiotrLewandowski323](https://togithub.com/PiotrLewandowski323) in [https://github.com/prometheus/client_golang/pull/1260](https://togithub.com/prometheus/client_golang/pull/1260) - Merge release 1.15.1 to main by [@​bwplotka](https://togithub.com/bwplotka) in [https://github.com/prometheus/client_golang/pull/1267](https://togithub.com/prometheus/client_golang/pull/1267) - GitHub Workflows security hardening by [@​sashashura](https://togithub.com/sashashura) in [https://github.com/prometheus/client_golang/pull/1180](https://togithub.com/prometheus/client_golang/pull/1180) - add process start time header to client_golang prometheus by [@​logicalhan](https://togithub.com/logicalhan) in [https://github.com/prometheus/client_golang/pull/1278](https://togithub.com/prometheus/client_golang/pull/1278) - Fix bug in bucket key calculation by [@​beorn7](https://togithub.com/beorn7) in [https://github.com/prometheus/client_golang/pull/1279](https://togithub.com/prometheus/client_golang/pull/1279) - Bump github.com/prometheus/procfs from 0.9.0 to 0.10.1 by [@​dependabot](https://togithub.com/dependabot) in [https://github.com/prometheus/client_golang/pull/1283](https://togithub.com/prometheus/client_golang/pull/1283) - Reduce constrainLabels allocations by [@​khasanovbi](https://togithub.com/khasanovbi) in [https://github.com/prometheus/client_golang/pull/1272](https://togithub.com/prometheus/client_golang/pull/1272) - added circleci as gh action YAML by [@​krishnaduttPanchagnula](https://togithub.com/krishnaduttPanchagnula) in [https://github.com/prometheus/client_golang/pull/1281](https://togithub.com/prometheus/client_golang/pull/1281) - Improve metricUnits runtime by [@​avlitman](https://togithub.com/avlitman) in [https://github.com/prometheus/client_golang/pull/1286](https://togithub.com/prometheus/client_golang/pull/1286) - Moving fully to GH actions. by [@​bwplotka](https://togithub.com/bwplotka) in [https://github.com/prometheus/client_golang/pull/1288](https://togithub.com/prometheus/client_golang/pull/1288) - Fix docstring references to renamed native histogram fields / functions. by [@​juliusv](https://togithub.com/juliusv) in [https://github.com/prometheus/client_golang/pull/1290](https://togithub.com/prometheus/client_golang/pull/1290) - Fixed README & CHANGELOG; Added fmt makefile command (+bingo) for easier contributions. by [@​bwplotka](https://togithub.com/bwplotka) in [https://github.com/prometheus/client_golang/pull/1289](https://togithub.com/prometheus/client_golang/pull/1289) - </details> #### New Contributors * @​vegerot made their first contributi[https://github.com/prometheus/client_golang/pull/1153](https://togithub.com/prometheus/client_golang/pull/1153)l/1153 * @​marevers made their first contributi[https://github.com/prometheus/client_golang/pull/1257](https://togithub.com/prometheus/client_golang/pull/1257)l/1257 * @​PiotrLewandowski323 made their first contributi[https://github.com/prometheus/client_golang/pull/1260](https://togithub.com/prometheus/client_golang/pull/1260)l/1260 * @​sashashura made their first contributi[https://github.com/prometheus/client_golang/pull/1180](https://togithub.com/prometheus/client_golang/pull/1180)l/1180 * @​logicalhan made their first contributi[https://github.com/prometheus/client_golang/pull/1278](https://togithub.com/prometheus/client_golang/pull/1278)l/1278 * @​khasanovbi made their first contributi[https://github.com/prometheus/client_golang/pull/1272](https://togithub.com/prometheus/client_golang/pull/1272)l/1272 * @​krishnaduttPanchagnula made their first contributi[https://github.com/prometheus/client_golang/pull/1281](https://togithub.com/prometheus/client_golang/pull/1281)l/1281 * @​avlitman made their first contributi[https://github.com/prometheus/client_golang/pull/1286](https://togithub.com/prometheus/client_golang/pull/1286)l/1286 **Full Changelog**: prometheus/client_golang@v1.15.1...v1.16.0 </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Enabled. ♻ **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/open-feature/flagd). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNS4xMTcuMyIsInVwZGF0ZWRJblZlciI6IjM1LjExNy4zIiwidGFyZ2V0QnJhbmNoIjoibWFpbiJ9--> Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
) [](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 | `v1.15.1` -> `v1.16.0` | --- ### Release Notes <details> <summary>prometheus/client_golang</summary> ### [`v1.16.0`](https://togithub.com/prometheus/client_golang/releases/tag/v1.16.0) [Compare Source](https://togithub.com/prometheus/client_golang/compare/v1.15.1...v1.16.0) #### What's Changed - \[BUGFIX] api: Switch to POST for LabelNames, Series, and QueryExemplars. [#​1252](https://togithub.com/prometheus/client_golang/issues/1252) - \[BUGFIX] api: Fix undefined execution order in return statements. [#​1260](https://togithub.com/prometheus/client_golang/issues/1260) - \[BUGFIX] native histograms: Fix bug in bucket key calculation. [#​1279](https://togithub.com/prometheus/client_golang/issues/1279) - \[ENHANCEMENT] Reduce constrainLabels allocations for all metrics. [#​1272](https://togithub.com/prometheus/client_golang/issues/1272) - \[ENHANCEMENT] promhttp: Add process start time header for scrape efficiency. [#​1278](https://togithub.com/prometheus/client_golang/issues/1278) - \[ENHANCEMENT] promlint: Improve metricUnits runtime. [#​1286](https://togithub.com/prometheus/client_golang/issues/1286) <details> <summary> Commits </summary> - Merge v1.15 to main by [@​bwplotka](https://togithub.com/bwplotka) in [https://github.com/prometheus/client_golang/pull/1250](https://togithub.com/prometheus/client_golang/pull/1250) - Switch to POST for LabelNames, Series, and QueryExemplars to DoGetFallback by [@​jacksontj](https://togithub.com/jacksontj) in [https://github.com/prometheus/client_golang/pull/1252](https://togithub.com/prometheus/client_golang/pull/1252) - ✏️ \[collectors]: fix typo in test assertion by [@​vegerot](https://togithub.com/vegerot) in [https://github.com/prometheus/client_golang/pull/1153](https://togithub.com/prometheus/client_golang/pull/1153) - Added interactive tutorial \[kubeCon] by [@​bwplotka](https://togithub.com/bwplotka) in [https://github.com/prometheus/client_golang/pull/1255](https://togithub.com/prometheus/client_golang/pull/1255) - Fixed tutorial. by [@​bwplotka](https://togithub.com/bwplotka) in [https://github.com/prometheus/client_golang/pull/1256](https://togithub.com/prometheus/client_golang/pull/1256) - Bump golang.org/x/sys from 0.6.0 to 0.7.0 by [@​dependabot](https://togithub.com/dependabot) in [https://github.com/prometheus/client_golang/pull/1265](https://togithub.com/prometheus/client_golang/pull/1265) - Cleanup proto use in tests by [@​SuperQ](https://togithub.com/SuperQ) in [https://github.com/prometheus/client_golang/pull/1264](https://togithub.com/prometheus/client_golang/pull/1264) - Fix tutorial on WSL-based systems by [@​marevers](https://togithub.com/marevers) in [https://github.com/prometheus/client_golang/pull/1257](https://togithub.com/prometheus/client_golang/pull/1257) - Fix undefined execution order in return statements by [@​PiotrLewandowski323](https://togithub.com/PiotrLewandowski323) in [https://github.com/prometheus/client_golang/pull/1260](https://togithub.com/prometheus/client_golang/pull/1260) - Merge release 1.15.1 to main by [@​bwplotka](https://togithub.com/bwplotka) in [https://github.com/prometheus/client_golang/pull/1267](https://togithub.com/prometheus/client_golang/pull/1267) - GitHub Workflows security hardening by [@​sashashura](https://togithub.com/sashashura) in [https://github.com/prometheus/client_golang/pull/1180](https://togithub.com/prometheus/client_golang/pull/1180) - add process start time header to client_golang prometheus by [@​logicalhan](https://togithub.com/logicalhan) in [https://github.com/prometheus/client_golang/pull/1278](https://togithub.com/prometheus/client_golang/pull/1278) - Fix bug in bucket key calculation by [@​beorn7](https://togithub.com/beorn7) in [https://github.com/prometheus/client_golang/pull/1279](https://togithub.com/prometheus/client_golang/pull/1279) - Bump github.com/prometheus/procfs from 0.9.0 to 0.10.1 by [@​dependabot](https://togithub.com/dependabot) in [https://github.com/prometheus/client_golang/pull/1283](https://togithub.com/prometheus/client_golang/pull/1283) - Reduce constrainLabels allocations by [@​khasanovbi](https://togithub.com/khasanovbi) in [https://github.com/prometheus/client_golang/pull/1272](https://togithub.com/prometheus/client_golang/pull/1272) - added circleci as gh action YAML by [@​krishnaduttPanchagnula](https://togithub.com/krishnaduttPanchagnula) in [https://github.com/prometheus/client_golang/pull/1281](https://togithub.com/prometheus/client_golang/pull/1281) - Improve metricUnits runtime by [@​avlitman](https://togithub.com/avlitman) in [https://github.com/prometheus/client_golang/pull/1286](https://togithub.com/prometheus/client_golang/pull/1286) - Moving fully to GH actions. by [@​bwplotka](https://togithub.com/bwplotka) in [https://github.com/prometheus/client_golang/pull/1288](https://togithub.com/prometheus/client_golang/pull/1288) - Fix docstring references to renamed native histogram fields / functions. by [@​juliusv](https://togithub.com/juliusv) in [https://github.com/prometheus/client_golang/pull/1290](https://togithub.com/prometheus/client_golang/pull/1290) - Fixed README & CHANGELOG; Added fmt makefile command (+bingo) for easier contributions. by [@​bwplotka](https://togithub.com/bwplotka) in [https://github.com/prometheus/client_golang/pull/1289](https://togithub.com/prometheus/client_golang/pull/1289) - </details> #### New Contributors * @​vegerot made their first contributi[https://github.com/prometheus/client_golang/pull/1153](https://togithub.com/prometheus/client_golang/pull/1153)l/1153 * @​marevers made their first contributi[https://github.com/prometheus/client_golang/pull/1257](https://togithub.com/prometheus/client_golang/pull/1257)l/1257 * @​PiotrLewandowski323 made their first contributi[https://github.com/prometheus/client_golang/pull/1260](https://togithub.com/prometheus/client_golang/pull/1260)l/1260 * @​sashashura made their first contributi[https://github.com/prometheus/client_golang/pull/1180](https://togithub.com/prometheus/client_golang/pull/1180)l/1180 * @​logicalhan made their first contributi[https://github.com/prometheus/client_golang/pull/1278](https://togithub.com/prometheus/client_golang/pull/1278)l/1278 * @​khasanovbi made their first contributi[https://github.com/prometheus/client_golang/pull/1272](https://togithub.com/prometheus/client_golang/pull/1272)l/1272 * @​krishnaduttPanchagnula made their first contributi[https://github.com/prometheus/client_golang/pull/1281](https://togithub.com/prometheus/client_golang/pull/1281)l/1281 * @​avlitman made their first contributi[https://github.com/prometheus/client_golang/pull/1286](https://togithub.com/prometheus/client_golang/pull/1286)l/1286 **Full Changelog**: prometheus/client_golang@v1.15.1...v1.16.0 </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/hetznercloud/hcloud-cloud-controller-manager). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNS4xMTcuMyIsInVwZGF0ZWRJblZlciI6IjM1LjExNy4zIiwidGFyZ2V0QnJhbmNoIjoibWFpbiJ9--> Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
[](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 | `v1.15.1` -> `v1.16.0` | --- ### Release Notes <details> <summary>prometheus/client_golang</summary> ### [`v1.16.0`](https://togithub.com/prometheus/client_golang/releases/tag/v1.16.0) #### What's Changed - \[BUGFIX] api: Switch to POST for LabelNames, Series, and QueryExemplars. [#​1252](https://togithub.com/prometheus/client_golang/issues/1252) - \[BUGFIX] api: Fix undefined execution order in return statements. [#​1260](https://togithub.com/prometheus/client_golang/issues/1260) - \[BUGFIX] native histograms: Fix bug in bucket key calculation. [#​1279](https://togithub.com/prometheus/client_golang/issues/1279) - \[ENHANCEMENT] Reduce constrainLabels allocations for all metrics. [#​1272](https://togithub.com/prometheus/client_golang/issues/1272) - \[ENHANCEMENT] promhttp: Add process start time header for scrape efficiency. [#​1278](https://togithub.com/prometheus/client_golang/issues/1278) - \[ENHANCEMENT] promlint: Improve metricUnits runtime. [#​1286](https://togithub.com/prometheus/client_golang/issues/1286) <details> <summary> Commits </summary> - Merge v1.15 to main by [@​bwplotka](https://togithub.com/bwplotka) in [https://github.com/prometheus/client_golang/pull/1250](https://togithub.com/prometheus/client_golang/pull/1250) - Switch to POST for LabelNames, Series, and QueryExemplars to DoGetFallback by [@​jacksontj](https://togithub.com/jacksontj) in [https://github.com/prometheus/client_golang/pull/1252](https://togithub.com/prometheus/client_golang/pull/1252) - ✏️ \[collectors]: fix typo in test assertion by [@​vegerot](https://togithub.com/vegerot) in [https://github.com/prometheus/client_golang/pull/1153](https://togithub.com/prometheus/client_golang/pull/1153) - Added interactive tutorial \[kubeCon] by [@​bwplotka](https://togithub.com/bwplotka) in [https://github.com/prometheus/client_golang/pull/1255](https://togithub.com/prometheus/client_golang/pull/1255) - Fixed tutorial. by [@​bwplotka](https://togithub.com/bwplotka) in [https://github.com/prometheus/client_golang/pull/1256](https://togithub.com/prometheus/client_golang/pull/1256) - Bump golang.org/x/sys from 0.6.0 to 0.7.0 by [@​dependabot](https://togithub.com/dependabot) in [https://github.com/prometheus/client_golang/pull/1265](https://togithub.com/prometheus/client_golang/pull/1265) - Cleanup proto use in tests by [@​SuperQ](https://togithub.com/SuperQ) in [https://github.com/prometheus/client_golang/pull/1264](https://togithub.com/prometheus/client_golang/pull/1264) - Fix tutorial on WSL-based systems by [@​marevers](https://togithub.com/marevers) in [https://github.com/prometheus/client_golang/pull/1257](https://togithub.com/prometheus/client_golang/pull/1257) - Fix undefined execution order in return statements by [@​PiotrLewandowski323](https://togithub.com/PiotrLewandowski323) in [https://github.com/prometheus/client_golang/pull/1260](https://togithub.com/prometheus/client_golang/pull/1260) - Merge release 1.15.1 to main by [@​bwplotka](https://togithub.com/bwplotka) in [https://github.com/prometheus/client_golang/pull/1267](https://togithub.com/prometheus/client_golang/pull/1267) - GitHub Workflows security hardening by [@​sashashura](https://togithub.com/sashashura) in [https://github.com/prometheus/client_golang/pull/1180](https://togithub.com/prometheus/client_golang/pull/1180) - add process start time header to client_golang prometheus by [@​logicalhan](https://togithub.com/logicalhan) in [https://github.com/prometheus/client_golang/pull/1278](https://togithub.com/prometheus/client_golang/pull/1278) - Fix bug in bucket key calculation by [@​beorn7](https://togithub.com/beorn7) in [https://github.com/prometheus/client_golang/pull/1279](https://togithub.com/prometheus/client_golang/pull/1279) - Bump github.com/prometheus/procfs from 0.9.0 to 0.10.1 by [@​dependabot](https://togithub.com/dependabot) in [https://github.com/prometheus/client_golang/pull/1283](https://togithub.com/prometheus/client_golang/pull/1283) - Reduce constrainLabels allocations by [@​khasanovbi](https://togithub.com/khasanovbi) in [https://github.com/prometheus/client_golang/pull/1272](https://togithub.com/prometheus/client_golang/pull/1272) - added circleci as gh action YAML by [@​krishnaduttPanchagnula](https://togithub.com/krishnaduttPanchagnula) in [https://github.com/prometheus/client_golang/pull/1281](https://togithub.com/prometheus/client_golang/pull/1281) - Improve metricUnits runtime by [@​avlitman](https://togithub.com/avlitman) in [https://github.com/prometheus/client_golang/pull/1286](https://togithub.com/prometheus/client_golang/pull/1286) - Moving fully to GH actions. by [@​bwplotka](https://togithub.com/bwplotka) in [https://github.com/prometheus/client_golang/pull/1288](https://togithub.com/prometheus/client_golang/pull/1288) - Fix docstring references to renamed native histogram fields / functions. by [@​juliusv](https://togithub.com/juliusv) in [https://github.com/prometheus/client_golang/pull/1290](https://togithub.com/prometheus/client_golang/pull/1290) - Fixed README & CHANGELOG; Added fmt makefile command (+bingo) for easier contributions. by [@​bwplotka](https://togithub.com/bwplotka) in [https://github.com/prometheus/client_golang/pull/1289](https://togithub.com/prometheus/client_golang/pull/1289) - </details> #### New Contributors * @​vegerot made their first contributi[https://github.com/prometheus/client_golang/pull/1153](https://togithub.com/prometheus/client_golang/pull/1153)l/1153 * @​marevers made their first contributi[https://github.com/prometheus/client_golang/pull/1257](https://togithub.com/prometheus/client_golang/pull/1257)l/1257 * @​PiotrLewandowski323 made their first contributi[https://github.com/prometheus/client_golang/pull/1260](https://togithub.com/prometheus/client_golang/pull/1260)l/1260 * @​sashashura made their first contributi[https://github.com/prometheus/client_golang/pull/1180](https://togithub.com/prometheus/client_golang/pull/1180)l/1180 * @​logicalhan made their first contributi[https://github.com/prometheus/client_golang/pull/1278](https://togithub.com/prometheus/client_golang/pull/1278)l/1278 * @​khasanovbi made their first contributi[https://github.com/prometheus/client_golang/pull/1272](https://togithub.com/prometheus/client_golang/pull/1272)l/1272 * @​krishnaduttPanchagnula made their first contributi[https://github.com/prometheus/client_golang/pull/1281](https://togithub.com/prometheus/client_golang/pull/1281)l/1281 * @​avlitman made their first contributi[https://github.com/prometheus/client_golang/pull/1286](https://togithub.com/prometheus/client_golang/pull/1286)l/1286 **Full Changelog**: prometheus/client_golang@v1.15.1...v1.16.0 </details> --- ### Configuration 📅 **Schedule**: Branch creation - "before 6am on Monday" in timezone Europe/Paris, 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/cozy/cozy-stack). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNS4xMjYuMCIsInVwZGF0ZWRJblZlciI6IjM1LjEyNi4wIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIn0=-->
This PR adds an option to enable a header to return process start time in a header.
This allows a scraping agent to avoid buffering the entire response body in memory until process_start_time_seconds is reached.