Difference between revisions of "LoggingStandards"
(Created page with "= Basic Principles = Log level definitions: http://stackoverflow.com/questions/2031163/when-to-use-log-level-warn-vs-error This is a nice writeup about when to use each log l...") |
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= Basic Principles = | = Basic Principles = | ||
| + | The point of this document is to bring together a set of common guidelines that we can all agree upon, to make logging across all the OpenStack services as consistent as possible. | ||
| − | Log level definitions: http://stackoverflow.com/questions/2031163/when-to-use-log-level-warn-vs-error This is a nice writeup about when to use each log level. Here is a brief description: | + | == Log level definitions: == http://stackoverflow.com/questions/2031163/when-to-use-log-level-warn-vs-error This is a nice writeup about when to use each log level. Here is a brief description: |
| − | Debug: Shows everything and is likely not suitable for normal production operation due to the sheer size of logs generated | + | * Debug: Shows everything and is likely not suitable for normal production operation due to the sheer size of logs generated |
| − | Info: Usually indicates successful service start/stop, versions and such non-error related data | + | * Info: Usually indicates successful service start/stop, versions and such non-error related data |
| − | Warning: Indicates that there might be a systemic issue; potential predictive failure notice | + | * Audit: (An OpenStack inventing level) |
| − | Error: An error has occurred and an administrator should research the event | + | * Warning: Indicates that there might be a systemic issue; potential predictive failure notice |
| − | Critical: An error has occurred and the system might be unstable; immediately get administrator assistance | + | * Error: An error has occurred and an administrator should research the event |
| + | * Critical: An error has occurred and the system might be unstable; immediately get administrator assistance | ||
Revision as of 12:22, 27 January 2014
Basic Principles
The point of this document is to bring together a set of common guidelines that we can all agree upon, to make logging across all the OpenStack services as consistent as possible.
== Log level definitions: == http://stackoverflow.com/questions/2031163/when-to-use-log-level-warn-vs-error This is a nice writeup about when to use each log level. Here is a brief description:
- Debug: Shows everything and is likely not suitable for normal production operation due to the sheer size of logs generated
- Info: Usually indicates successful service start/stop, versions and such non-error related data
- Audit: (An OpenStack inventing level)
- Warning: Indicates that there might be a systemic issue; potential predictive failure notice
- Error: An error has occurred and an administrator should research the event
- Critical: An error has occurred and the system might be unstable; immediately get administrator assistance
