mapreduce.framework.name yarn mapreduce.jobhistory.address Satya-1:10020 mapreduce.jobhistory.webapp.address Satya-1:19888 mapreduce.jobhistory.intermediate-done-dir /mr-history/tmp mapreduce.jobhistory.done-dir /mr-history/done yarn.app.mapreduce.am.env HADOOP_MAPRED_HOME=/opt/hadoop mapreduce.map.env HADOOP_MAPRED_HOME=/opt/hadoop mapreduce.reduce.env HADOOP_MAPRED_HOME=/opt/hadoop