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[bugFix] Meter tags are now recognized as identifiers #5982

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@dulikvor dulikvor commented Nov 16, 2024

Fixes #5859
Design discussion issue #

Changes

Metric tags are now considered identifiers, contributing to metric scope uniqueness.

Merge requirement checklist

  • CONTRIBUTING guidelines followed (license requirements, nullable enabled, static analysis, etc.)
  • Unit tests added/updated
  • Appropriate CHANGELOG.md files updated for non-trivial changes
  • Changes in public API reviewed (if applicable)

@dulikvor dulikvor requested a review from a team as a code owner November 16, 2024 13:13
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linux-foundation-easycla bot commented Nov 16, 2024

CLA Signed

The committers listed above are authorized under a signed CLA.

@github-actions github-actions bot added the pkg:OpenTelemetry Issues related to OpenTelemetry NuGet package label Nov 16, 2024
@dulikvor dulikvor force-pushed the users/dulikvor/markinstrumentation branch from 2458d0b to b5d1011 Compare November 16, 2024 16:51
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codecov bot commented Nov 18, 2024

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.08%. Comparing base (b9be07a) to head (b60f503).
Report is 2 commits behind head on main.

Additional details and impacted files

Impacted file tree graph

@@            Coverage Diff             @@
##             main    #5982      +/-   ##
==========================================
- Coverage   86.11%   86.08%   -0.04%     
==========================================
  Files         257      257              
  Lines       11690    11693       +3     
==========================================
- Hits        10067    10066       -1     
- Misses       1623     1627       +4     
Flag Coverage Δ
unittests-Project-Experimental 85.82% <100.00%> (-0.25%) ⬇️
unittests-Project-Stable 86.01% <100.00%> (+0.26%) ⬆️
unittests-Solution ?
unittests-UnstableCoreLibraries-Experimental ?

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines Coverage Δ
src/OpenTelemetry/Metrics/Metric.cs 97.24% <100.00%> (ø)
src/OpenTelemetry/Metrics/MetricStreamIdentity.cs 89.25% <100.00%> (+0.27%) ⬆️

... and 6 files with indirect coverage changes

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This PR was marked stale due to lack of activity and will be closed in 7 days. Commenting or pushing will instruct the bot to automatically remove the label. This bot runs once per day.

@github-actions github-actions bot added the Stale Issues and pull requests which have been flagged for closing due to inactivity label Nov 26, 2024
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Thanks!
Please add changelog entry too, as this is breaking existing behavior to fix bug.

@github-actions github-actions bot removed the Stale Issues and pull requests which have been flagged for closing due to inactivity label Nov 27, 2024
@cijothomas cijothomas added the spec-compliance Issues related to compliance with the OpenTelemetry Specification label Dec 4, 2024
@@ -6,6 +6,10 @@ Notes](../../RELEASENOTES.md).

## Unreleased

* Updated `OpenTelemetry.Metrics.MetricStreamIdentity` Metric tags are now considered identifiers,
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Suggested change
* Updated `OpenTelemetry.Metrics.MetricStreamIdentity` Metric tags are now considered identifiers,
* Update Metric tags to be identifying for the Meter, aligning with the specification. Previously, Metric tags were omitted from being identifying.

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Will anyone reading this understand it? 🤣

How about...

  • Meter.Tags will now be considered when resolving the SDK metric to update when measurements are recorded. Meters with the same name and different tags will now lead to unique metrics.

PS: There is a lint error can't merge until that is resolved.

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Fine with the latter, made the change. can linter re instigate, I will check if its yet too long.

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[bug] Mark instrumentation scope attributes as identifying
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