test: benchmark CRDT workspace capacity - #116
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Limit details: You’ve used all 2 included reviews currently available. Your 54 included PR review attempts over the past 7 days set your current allowance at 2 reviews per hour. 📝 WalkthroughWalkthroughThis change calibrates the CRDT workspace capacity benchmark. It measures initial synchronization through WebSocket transport, waits for fan-out traffic counters, isolates benchmark execution in Vitest, adds benchmark commands, and updates the recorded baseline results. ChangesCRDT Capacity Measurement
Estimated code review effort: 3 (Moderate) | ~25 minutes Merge Risk: ⚪ Minimal · up to This PR adds CRDT capacity benchmarks, baseline documentation, and test configuration without any supplied indication of a concrete correctness or production-impact risk; no actionable merge-blocking risk remains. Sequence Diagram(s)sequenceDiagram
participant WorkspaceCapacityBenchmark
participant YjsClient
participant WebSocket
WorkspaceCapacityBenchmark->>YjsClient: Create seed and peer clients with disableBc
YjsClient->>WebSocket: Synchronize through WebSocket transport
WebSocket-->>YjsClient: Deliver synchronization and fan-out payloads
YjsClient-->>WorkspaceCapacityBenchmark: Report received bytes and messages
WorkspaceCapacityBenchmark->>WorkspaceCapacityBenchmark: Wait for receiver traffic counters
🚥 Pre-merge checks | ✅ 3 | ❌ 2❌ Failed checks (1 warning, 1 inconclusive)
✅ Passed checks (3 passed)
Full details: Linked Issues checkExplanation The PR addresses repeatable CRDT benchmarks, WebSocket initial-sync and fan-out metrics, MCP latency, resource signals, restart behavior, bounded and large profiles, baseline publication, and sharding gates [ Full details: Out of Scope Changes checkExplanation The changes support the benchmark objective through test implementation, harness instrumentation, Vitest configuration, commands, specifications, baseline documentation, and project guidance. No unrelated code changes are identified. Full details: Docstring CoverageExplanation Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 7 functions across 3 files. (1 skipped: 1 unsupported.)
✨ Finishing Touches🧪 Generate unit tests (beta)
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Inline comments:
In `@tests/benchmark/workspace-capacity.test.ts`:
- Line 180: Replace the fixed 25 ms delay in the workspace-capacity test with a
bounded condition wait that polls until the traffic counters, including
fanoutBytes, are updated. Preserve the existing assertion behavior while
ensuring the wait fails within a finite timeout if the callback never runs.
- Line 161: Configure every benchmark provider, including the seed client, with
disableBc: true before measuring initial sync in the workspace-capacity
benchmark. Update the published profiles in
docs/benchmarks/crdt-capacity-baseline-2026-08-30.md at line 41 to reflect rerun
results; the benchmark test change is required at
tests/benchmark/workspace-capacity.test.ts:161.
In `@vite.config.ts`:
- Line 78: Update the Vite test project configuration so the server project
excludes tests/benchmark/** while retaining benchmark inclusion in its dedicated
project. Locate the server project’s exclude settings and add the benchmark glob
there, preserving the existing include and other project configurations.
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docs/benchmarks/crdt-capacity-baseline-2026-08-30.mdpackage.jsontests/benchmark/workspace-capacity.test.tstests/e2e/harness.tsvite.config.ts
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Actionable comments posted: 1
🤖 Prompt for all review comments with AI agents
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Inline comments:
In `@CLAUDE.md`:
- Around line 125-126: Align benchmark profile-selection guidance across
CLAUDE.md lines 125-126 and README.md lines 201-202 so both profiles are
required for all redesigns covered by docs/specifications/e2e-testing.md lines
131-134, including sharding, shard-aware routing, catalog/SSE integration,
compaction, persistence, and snapshot-format changes; alternatively make both
guidance documents explicitly defer to that specification. No direct change is
required in docs/specifications/e2e-testing.md lines 131-134.
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CLAUDE.mdREADME.mddocs/specifications/README.mddocs/specifications/e2e-testing.md
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Inline comments:
In `@CLAUDE.md`:
- Around line 125-126: Update the bounded-profile benchmark guidance near the
existing workspace benchmark command to include all sync changes, not only
sync-protocol redesigns, and align its wording with the canonical requirement in
README.md and docs/specifications/e2e-testing.md §6.
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Summary
Closes #31
Verification
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Summary by CodeRabbit
New Features
Documentation
Tests