2024-01-15 10:30:15 INFO User login successful for user@example.com
2024-01-15 10:31:22 ERROR Database connection failed: timeout after 30 seconds
2024-01-15 10:31:45 WARN Retrying database connection (attempt 1/3)
2024-01-15 10:32:01 INFO Database connection restored
2024-01-15 10:35:18 DEBUG Processing user request: /api/users/123
2024-01-15 10:35:19 INFO Request completed successfully in 245ms
2024-01-15 10:40:33 ERROR Authentication failed for invalid-user@test.com
2024-01-15 10:41:15 WARN Multiple failed login attempts detected
2024-01-15 10:45:02 INFO System backup started
2024-01-15 11:00:00 INFO System backup completed successfully