%d{yyyy-MM-dd HH:mm:ss} %highlight(%-5level) [%15.15t] %cyan(%-40.40logger{39}): %msg %n ${LOG_HOME}/application.log ${LOG_HOME}/application.%d{yyyyMMdd}_%i.log 30 20GB 50MB %d{yy-MM-dd HH:mm:ss} %-5level [%15.15t] %-40.40logger{39}: %msg %n