test(stress): compare sustained pipelines - #66
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📝 WalkthroughWalkthroughAdds a .NET stress-test executable that compares Kevlar and Polly, records performance metrics, generates Markdown results, and publishes them through a scheduled GitHub Actions workflow. ChangesStress testing and documentation
Estimated code review effort: 4 (Complex) | ~60 minutes Merge Risk: 🔵 Low · up to The PR adds scheduled stress-test reporting and documentation publishing; the generated report currently omits the managed-memory metric, and the workflow can succeed before a dispatched documentation build or deployment fails. Merge is low risk but requires owner awareness and follow-up for report completeness and failure propagation. Sequence Diagram(s)sequenceDiagram
participant GitHubActions
participant StressRunner
participant ResultFile
participant StressDocs
participant DocumentationWorkflow
GitHubActions->>StressRunner: build and run stress test
StressRunner->>ResultFile: write JSON metrics
GitHubActions->>StressDocs: generate Markdown page
StressDocs-->>GitHubActions: write stress-test documentation
GitHubActions->>DocumentationWorkflow: trigger after main-branch publication
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🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches 💡 1📝 Generate docstrings 💡
🧪 Generate unit tests (beta)
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Inline comments:
In @.github/scripts/stress_docs.py:
- Around line 68-79: Update the stress-results table generation around the
library loop to publish the managed-memory metric using each result’s
managedBytesBefore and managedBytesAfter fields. Add an appropriate column or
summary and render the corresponding values while preserving the existing
throughput, operations, allocation, and GC metrics.
In @.github/workflows/stress.yml:
- Around line 89-103: Update the Commit and deploy step around gh workflow run
so documentation build and deployment failures are propagated to this job:
either execute the docs workflow’s build/deploy work synchronously here or
dispatch it and wait for its completion, explicitly failing when that run fails
instead of exiting after triggering it.
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📒 Files selected for processing (12)
.github/scripts/stress_docs.py.github/workflows/stress.ymlKevlar.slnxbenchmarks/Kevlar.StressTests/Kevlar.StressTests.csprojbenchmarks/Kevlar.StressTests/Program.csbenchmarks/Kevlar.StressTests/StressOptions.csbenchmarks/Kevlar.StressTests/StressPhaseResult.csbenchmarks/Kevlar.StressTests/StressRunResult.csbenchmarks/Kevlar.StressTests/StressRunner.csdocs/docs/performance.mddocs/docs/stress-tests.mddocs/sidebars.ts
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Run Polly and Kevlar sequentially in one process for a 15-minute throughput and memory comparison, then publish the generated results to docs.
Use equivalent ratio breakers, publish managed memory, support day-prefixed durations, and wait for documentation deployment.
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| var results = new[] | ||
| { | ||
| await MeasureAsync("Polly", ExecutePollyAsync, phaseDuration, options.Workers), | ||
| await MeasureAsync("Kevlar", ExecuteKevlarAsync, phaseDuration, options.Workers), | ||
| }; |
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Balance the order of measured phases
Every scheduled comparison measures Polly first and Kevlar second, so any time-dependent runner or process behavior across the two 7.5-minute phases—such as CPU throttling, noisy-neighbor load, or runtime adaptation—is systematically attributed to the library in that position and can skew the published throughput ratio. Run both orders and aggregate them, or interleave balanced measurement windows, so phase-order effects do not become library effects.
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Summary
Closes #47
Validation
The workflow uses the required 00:15:00 measured duration; local validation used four seconds.
Summary by CodeRabbit
New Features
Automation
Documentation