2024-01-15 12:00:00 INFO Application startup initiated
2024-01-15 12:00:02 DEBUG Loading configuration from config.yaml
2024-01-15 12:00:05 INFO Configuration loaded successfully
2024-01-15 12:00:10 WARNING Configuration value 'cache_ttl' not found, using default
2024-01-15 12:00:15 INFO HTTP server started on port 3000
2024-01-15 12:00:20 INFO WebSocket server started on port 3001
2024-01-15 12:05:30 INFO User authenticated: user@example.com
2024-01-15 12:05:35 ERROR Failed to send email notification: SMTP timeout
2024-01-15 12:05:40 WARNING Email service degraded, using queue fallback
2024-01-15 12:10:00 INFO Scheduled task completed: cleanup_old_sessions
2024-01-15 12:15:00 CRITICAL Database connection pool exhausted
2024-01-15 12:15:05 INFO Emergency connection pool expansion completed
2024-01-15 12:20:00 INFO System health check: all services operational