1. # log4j.logger.org.apache.oozie=INFO, oozie
    2. log4j.logger.org.apache.oozie=ERROR, oozie
    3. # log4j.logger.org.apache.hadoop=WARN, oozie
    4. log4j.logger.org.apache.hadoop=ERROR, oozie
    1. $ bin/oozied.sh stop
    2. $ bin/oozied.sh start