open-telemetry / open-telemetry/opentelemetry-cpp

[Metrics SDK] Cardinality limit (Async Instrument + Cumulative Temporality)

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bug do-not-stale spec-compliance triage/accepted
Dominant language
C++
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Forks
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Merged PRs (30d)
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Description

Specs - https://github.com/open-telemetry/opentelemetry-specification/blob/v1.25.0/specification/metrics/sdk.md#asynchronous-instrument-cardinality-limits

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the linked OpenTelemetry metrics SDK specification, specifically the asynchronous instrument cardinality-limits section. Then locate the C++ Metrics SDK implementation and its related tests; done means the asynchronous instrument behavior matches the specification for cumulative temporality and cardinality limits.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
observability-sre
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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