%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n UTF-8 logs/crawler.log logs/crawler.%d{yyyy-MM-dd}.log 7 100MB %d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n UTF-8