Specializing logging for control, debug, audit, and security
There are many kinds of logging; we'll focus on these four varieties:
Errors and Control: Basic error and control of an application leads to a main log that helps users confirm that the program really is doing what it's supposed to do. This would include enough error information with which the users can correct their problems and rerun the application. If a user enables verbose logging, it will amplify this main error and control the log with additional user-friendly details.
Debugging: This is used by developers and maintainers; it can include rather complex implementation details. We'll rarely want to enable blanket debugging, but will often enable debugging for specific modules or ...
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