[INFO] Application starting
[DEBUG] Initializing module auth
[DEBUG] Initializing module database
[DEBUG] Initializing module cache
[DEBUG] Initializing module api
[INFO] Server listening on port 8080
[INFO] Worker 1 started
[INFO] Worker 2 started
[INFO] Worker 3 started
[INFO] Worker 4 started
[DEBUG] Request GET /api/health from 127.0.0.1
[INFO] Health check passed
[DEBUG] Request GET /api/users from 127.0.0.1
[INFO] Fetched 50 users in 23ms
[DEBUG] Request POST /api/users from 127.0.0.1
[INFO] Created user with id 123
[WARN] Slow query detected: 1500ms
[DEBUG] Request GET /api/products from 192.168.1.100
[INFO] Fetched 200 products in 45ms
[DEBUG] Request PUT /api/users/123 from 127.0.0.1
[INFO] Updated user 123
[WARN] Rate limit warning for client 192.168.1.100
[DEBUG] Request DELETE /api/users/456 from 127.0.0.1
[INFO] Deleted user 456
[ERROR] Database connection pool exhausted
[WARN] Retrying database connection
[INFO] Database connection restored
[DEBUG] Request GET /api/orders from 127.0.0.1
[INFO] Fetched 75 orders in 30ms
[ERROR] Failed to send email notification
[WARN] Email queue backed up: 50 pending
[DEBUG] Request POST /api/orders from 192.168.1.101
[INFO] Created order #789
[DEBUG] Processing payment for order #789
[INFO] Payment successful for order #789
[WARN] Memory usage at 80%
[DEBUG] Running garbage collection
[INFO] Garbage collection freed 500MB
[ERROR] External API timeout
[WARN] Falling back to cached data
[DEBUG] Request GET /api/analytics from 127.0.0.1
[INFO] Generated analytics report in 200ms
[FATAL] Out of memory error
[INFO] Attempting graceful shutdown
[INFO] Closing HTTP connections
[INFO] Flushing pending writes
[INFO] Shutdown complete
