./logs/crowdsource-backend.log.%d{yyyy-MM-dd}.log 30 10MB %d{HH:mm:ss.SSS} [%thread] %-5level %logger{35} - %msg %n UTF-8 ./logs/recommend.log.%d{yyyy-MM-dd}.log %d{HH:mm:ss.SSS} [%thread] %-5level %logger{5} - %msg%n