Setting the logging level in Hadoop to WARN

Question

I\'ve tried numerous ways of setting the logging level in Hadoop to WARN, but have failed each time. Firstly, I tried to configure the log4j.properties file by simply replac

Answer 1

I rather use

HADOOP_ROOT_LOGGER=WARN,DRFA

in hadoop-env.sh

or you can use hadoop.root.logger in log4j.properties

DRFA will allow the logs to go into the File Appender rather than Console -> System.err/out.