# define a rolling file handler
handler.rfh.type RollingFile
handler.rfh.maxSize 2000
handler.rfh.fileNumber 3
handler.rfh.output logs/rollingfile.log
handler.rfh.pattern %-5l thread=%h topic=%t %m%n

logger.root.level WARN
logger.root.handler.0 rfh
logger.monolog.examples.RollingFile.level DEBUG