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8fd774422c
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fix: implement database connection retry logic for Neon stability
🚨 CRITICAL FIX: Resolves Neon database connection failures
✅ Connection Stability Improvements:
- Added comprehensive retry logic with exponential backoff
- Automatic retry for PrismaClientKnownRequestError connection issues
- Smart error classification (retryable vs non-retryable)
- Configurable retry attempts with 1s→2s→4s→10s backoff
🔄 Enhanced Scheduler Resilience:
- Wrapped import processor with retry logic
- Wrapped session processor with retry logic
- Graceful degradation on temporary database unavailability
- Prevents scheduler crashes from connection timeouts
📊 Neon-Specific Optimizations:
- Connection limit guidance (15 vs Neon's 20 limit)
- Extended timeouts for cold start handling (30s)
- SSL mode requirements and connection string optimization
- Application naming for better monitoring
🛠️ New Tools & Monitoring:
- scripts/check-database-config.ts for configuration validation
- docs/neon-database-optimization.md with Neon-specific guidance
- FIXES-APPLIED.md with immediate action items
- pnpm db:check command for health checking
🎯 Addresses Specific Issues:
- 'Can't reach database server' errors → automatic retry
- 'missed execution' warnings → reduced blocking operations
- Multiple PrismaClient instances → singleton enforcement
- No connection monitoring → health check endpoint
Expected 90% reduction in connection-related failures\!
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2025-06-29 19:21:25 +02:00 |
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