Trace and log files are written by the individual SAP NetWeaver components.
For information about trace and log files in SAP NetWeaver, see the SAP Service Marketplace at service.sap.com/securityguide → SAP NetWeaver Security Guide.
Within the bounds of these standard mechanisms, the Quality Inspection Engine automatically creates change documents each time a user changes important business data. In addition, you can define that each time a user makes a change in Customizing for QIE, the system creates a change document.