open-telemetry / open-telemetry/opentelemetry-cpp
[Metrics SDK] Cardinality limit (Sync Instrument + Cumulative Temporality)
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bug
do-not-stale
spec-compliance
triage/accepted
- Dominant language
- C++
- Stars
- 1.4k
- Forks
- 632
- Avg merge
- 1d 13h
- Merged PRs (30d)
- 75
Description
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the linked OpenTelemetry metrics SDK specification, then locate the C++ implementation and tests for synchronous instruments with cumulative temporality. Define the required cardinality-limit behavior from the specification, implement it in the relevant metrics path, and add tests demonstrating that the limit is enforced.
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