The Rust OpenTelemetry implementation
C-Rank Grade: A (Welcoming) - 62/100
External PR Merge Rate: 58%
Response Time: -
First Timer Success: 31%
open-telemetry/opentelemetry-rust has a recorded first-timer success rate of 31.3%. Repositories ranked A typically provide actionable feedback during code reviews and actively nurture new community contributors.
Maintainers in open-telemetry/opentelemetry-rust respond to incoming external pull requests in approximately 0.0 hours on average. Keeping PRs focused on single tasks and ensuring tests pass helps maintainers review faster.
The C-Rank™ system evaluates GitHub projects on a 0–100 scale using real data: PR merge rates, review turnaround time, active maintainer presence, and first-time contributor success. A score of 62.0 places open-telemetry/opentelemetry-rust in the A tier.
The external contributor pull request merge rate for open-telemetry/opentelemetry-rust is 58.3%, based on public PR activity from non-core contributors.
open-telemetry/opentelemetry-rust does not currently have active "good first issue" tags indexed, but accepts external contributions through standard GitHub issue tracking.
Balanced & professional review environment in open-telemetry/opentelemetry-rust. Maintains strict focus on technical quality and test standards.
Average Response Latency
Tracks hours until a maintainer leaves a review, comment, or PR response.
External Acceptance Rate
Percentage of community pull requests successfully merged into main.
First PR Conversion
Rate at which developers submitting their first repository PR succeed.
Show contributors that your repository actively reviews and merges external pull requests.
[](https://getmerged.abhishekco.de/open-telemetry/opentelemetry-rust?utm_source=github&utm_medium=badge)
Historical health & responsiveness evolution
External PR acceptance
First PR success rate
50% receive response in
90% receive response in
Maintainer review activity heatmap & prime window prediction
Calculating local time...
Calculating local time...
Detected: UTC
Maintainers are most responsive around 17:00 UTC (17:00 UTC in your timezone). Recommended submission window is Wednesday - Friday from 16:00 to 20:00 UTC (16:00 - 20:00 UTC local).
Maintainer Strategy: Maintainer Sweet Spot: PRs under 150 lines merge in ~16 hours (73% approval). Large PRs (>500 lines) take ~115 hours (26% approval). Keep your diff compact for rapid review.
What happened? The OTLP HTTP exporter currently reads successful HTTP response bodies fully into memory before parsing partial-success responses. In the optional hyper client, non-2xx bodies are also fully collected before status handling. Because the default build uses reqwest-blocking, a malicious or compromised OTLP endpoint can return a very large response and cause memory exhaustion / DoS in the application process. The HTTP transport should enforce a small response-body limit and avoid reading non-success bodies entirely. Refer discussion - https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-w8rr-5gcm-pp58#advisory-comment-180536 OpenTelemetry API Version (i.e version of opentelemetry crate) 0.31.1 OpenTelemetry SDK Version (i.e version of opentelemetry_sdk crate) 0.31.1 What Exporter(s) are you seeing the problem on? OTLP Relevant log output Tip React with 👍 to help prioritize this issue. Please use comments to provide useful context, avoiding +1 or m
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When evaluating whether to contribute to open-telemetry/opentelemetry-rust, response velocity and maintainer engagement are crucial. GetMerged continuously tracks pull request trajectories, first-comment latency, and code review rounds to help developers avoid submitting pull requests to backlogged repositories.
Currently, maintainers of open-telemetry/opentelemetry-rust acknowledge new external contributions in approximately -. Out of all submitted pull requests from non-core authors in the last 180-day window, 58.3% were successfully merged into the primary branch.
open-telemetry/opentelemetry-rust has a recorded first-timer success rate of 31.3%. Repositories ranked Welcoming typically provide actionable feedback during code reviews and actively nurture new community contributors.
The initial maintainer response time averages ~-. Keeping PRs scoped to single concerns and ensuring CI checks succeed will optimize review turnaround.
The C-Rank™ index scores repositories on a 0 to 100 scale using an objective formula: external PR merge rates, initial response speed, active maintainer count, and first-time contributor retention. A score of 62.0 places open-telemetry/opentelemetry-rust in the Welcoming tier.
The external pull request merge rate is 58.3%. GetMerged isolates non-core community contributions so external developers get an accurate benchmark of PR acceptance probability.
open-telemetry/opentelemetry-rust does not have open beginner labels indexed currently, but external PRs for bugs and documentation improvements are evaluated via normal issue triage.
All metrics displayed for open-telemetry/opentelemetry-rust are automatically retrieved via the public GitHub API and recalculated daily. Insider pull requests submitted by repository owners or organization members are excluded from merge rate calculations to preserve objective external contributor statistics.