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bitvid/daily-perf-report-2026-02-14.md
google-labs-jules[bot]andPR0M3TH3AN 4d73092613 perf: bound comment relay concurrency and fix docs port
- Replace `Promise.all` with `pMap` in `js/nostr/commentEvents.js` to limit concurrent relay requests to `RELAY_BACKGROUND_CONCURRENCY` (3).
- Update `content/docs/guides/upload-content.md` to use port 3000 for CORS, matching `npm start` default.
- Update agent artifacts (`CONTEXT.md`, `TODO.md`, `DECISIONS.md`, `TEST_LOG.md`, `INITIAL_BASELINE.md`).

Co-authored-by: PR0M3TH3AN <[email protected]>
2026-02-12 13:39:52 +00:00

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# Daily Performance Report - 2026-02-14
## Summary
Fixed critical P0 performance issue (unbounded concurrency) in comment subsystem and aligned developer documentation with runtime defaults.
## Findings & Fixes
### P0: Unbounded Relay Concurrency
- **File:** `js/nostr/commentEvents.js`
- **Issue:** `publishComment` and `listVideoComments` used `Promise.all(relayList.map(...))` to broadcast/fetch from all relays simultaneously. For users with large relay lists (20+), this caused network saturation and UI freezes.
- **Fix:** Refactored to use `pMap` with `RELAY_BACKGROUND_CONCURRENCY` (default: 3). This limits the number of active requests at any given time.
- **Verification:** `tests/nostr/comment-events.test.mjs` passed.
### Docs: Outdated CORS Port
- **File:** `content/docs/guides/upload-content.md`
- **Issue:** The guide recommended `AllowedOrigins` with port `5500`, but the project default via `npm start` is `3000`.
- **Fix:** Updated documentation to use `http://localhost:3000`.
## Artifacts Updated
- `INITIAL_BASELINE.md` created.
- `CONTEXT.md`, `TODO.md`, `DECISIONS.md`, `TEST_LOG.md` updated.
## Next Steps
- Investigate `js/utils/torrentHash.js` usage in `UploadModal` to ensure large file hashing doesn't block the main thread (potential P1).
- Audit `js/nostr/relayBatchFetcher.js` for similar optimizations (currently uses chunk size 8).