I would like to know why do we have All and Debug trace levels in log4net? they seems to be doing the same thing.
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I would like to know why do we have All and Debug trace levels in log4net? they seems to be doing the same thing.
ALLreally means all levels andDEBUGmeans only Debug or higher. Often this does not make a difference because Debug is the lowest level that the ILog interface exposes. Log4net does however have a lot more log levels and if you build a wrapper that supports additional levels you may prefer to useALLto make sure you really get all messages.EDIT:
DEBUG or higher means the following levels if you are using only standard levels: DEBUG, INFO, WARN, ERROR, FATAL
Assuming you would in addition use a VERBOSE level then you would only see it in your log file if you use ALL or VERBOSE in the configuration. Using DEBUG would filter all VERBOSE messages. Log4net knows the following levels that are lower then DEBUG: FINE, TRACE, FINER, VERBOSE, FINEST.