Summary
In a complex system such as ServiceNow, there are many elements that work together to provide the functionality that you need. Consequently, there are many ways to find out what really is going on.
The system log is the primary source for platform and application messages. It is especially useful for working out what just happened when you weren't able to see it in person. Use it to diagnose issues on the production system. Everything in the system log and much more is also stored in the file log. It is a more detailed read-only store of information. You can download it for forensic analysis. Additionally, the Transaction Log records all access to the platform and stores who did what and when. Timings are also saved, breaking down how long things took on both the server and the client.
Performance is critical for enterprise applications. If the speed of database access isn't quite what it might be, the slow query log will help you to identify what is happening. In addition...
