Logging levels range from 0 to 7, and represent a decreasing order of severity. The default logging level for projects is 4.
| Name | Level | Description |
|---|---|---|
| LOG_EMERG | 0 | /* system is unusable */ |
| LOG_ALERT | 1 | /* action must be taken immediately */ |
| LOG_CRIT | 2 | /* critical conditions */ |
| LOG_ERR | 3 | /* error conditions */ |
| LOG_WARNING | 4 | /* warning conditions */ |
| LOG_NOTICE | 5 | /* normal but significant condition */ |
| LOG_INFO | 6 | /* informational */ |
| LOG_DEBUG | 7 | /* debug-level messages */ |