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07fff01fab
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feat: Complete v1.1.1 Phases 2 & 3 - Enhancements and Polish
Phase 2 - Enhancements:
- Add performance monitoring infrastructure with MetricsBuffer
- Implement three-tier health checks (/health, /health?detailed, /admin/health)
- Enhance search with FTS5 fallback and XSS-safe highlighting
- Add Unicode slug generation with timestamp fallback
- Expose database pool statistics via /admin/metrics
- Create missing error templates (400, 401, 403, 405, 503)
Phase 3 - Polish:
- Implement RSS streaming optimization (memory O(n) → O(1))
- Add admin metrics dashboard with htmx and Chart.js
- Fix flaky migration race condition tests
- Create comprehensive operational documentation
- Add upgrade guide and troubleshooting guide
Testing: 632 tests passing, zero flaky tests
Documentation: Complete operational guides
Security: All security reviews passed
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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2025-11-25 20:10:41 -07:00 |
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686d753fb9
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fix: Resolve migration race condition with multiple gunicorn workers
CRITICAL PRODUCTION FIX: Implements database-level advisory locking
to prevent race condition when multiple workers start simultaneously.
Changes:
- Add BEGIN IMMEDIATE transaction for migration lock acquisition
- Implement exponential backoff retry (10 attempts, 120s max)
- Add graduated logging (DEBUG -> INFO -> WARNING)
- Create new connection per retry attempt
- Comprehensive error messages with resolution guidance
Technical Details:
- Uses SQLite's native RESERVED lock via BEGIN IMMEDIATE
- 30s timeout per connection attempt
- 120s absolute maximum wait time
- Exponential backoff: 100ms base, doubling each retry, plus jitter
- One worker applies migrations, others wait and verify
Testing:
- All existing migration tests pass (26/26)
- New race condition tests added (20 tests)
- Core retry and logging tests verified (4/4)
Implementation:
- Modified starpunk/migrations.py (+200 lines)
- Updated version to 1.0.0-rc.5
- Updated CHANGELOG.md with release notes
- Created comprehensive test suite
- Created implementation report
Resolves: Migration race condition causing container startup failures
Relates: ADR-022, migration-race-condition-fix-implementation.md
Version: 1.0.0-rc.5
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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2025-11-24 18:52:51 -07:00 |
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