log_rollover_fileindex = options.fetch(:log_rollover_fileindex, 'min')
log_pattern = options.fetch(:log_pattern, '%d{ISO8601} | %-5p | %-16t | %-60c{6} | %m%n')
log_mechanism = options.fetch(:log_mechanism, 'file')
log_rollover_fileindex = options.fetch(:log_rollover_fileindex, 'min')
log_pattern = options.fetch(:log_pattern, '%d{ISO8601} | %-5p | %-16t | %-60c{6} | %m%n')
log_mechanism = options.fetch(:log_mechanism, 'file')