Log4j shell
bookkeeper.root.logger
Default: ERROR,CONSOLE
log4j.rootLogger
Default: ${bookkeeper.root.logger}
log4j.appender.CONSOLE
Default: org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.Threshold
Default: DEBUG
log4j.appender.CONSOLE.layout
Default: org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern
Default: %d{ABSOLUTE} %-5p %m%n
log4j.logger.org.apache.zookeeper
Default: ERROR
log4j.logger.org.apache.bookkeeper
Default: ERROR
log4j.logger.org.apache.bookkeeper.bookie.BookieShell
Default: INFO