2024-01-15 10:00:00 [INFO] User alice logged in from 192.168.1.100
2024-01-15 10:00:10 [ERROR] Failed to connect to database server db-prod-01 on port 5432
2024-01-15 10:00:25 [INFO] Processing request req-a1b2c3 for user alice took 150ms
2024-01-15 10:00:55 [WARN] Cache miss for key user:alice:profile
