Confused on log levels in Rails

Question

I am trying to find out what are the differences between log levels. If I do:

logger.warn 'TEST LOGGER'

and

logger.debug 'TEST LOGGER'

I see the exact same information in my log file. What is the difference between each of those levels?

Answer 1

As MrYoshiji said in the comments... log levels are just used to determine which statements should appear in the logs based on the config.log_level settings. The Rails Guide on Log Levels explains it well... Here is a screenshot of the relevant information: