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- export JAVA_HOME=/usr/java/latest
- export HADOOP_MAPRED_LOG_DIR=/var/log/hadoop-mapreduce
- export HADOOP_MAPRED_PID_DIR=/var/run/hadoop-mapreduce
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- export HADOOP_JOB_HISTORYSERVER_HEAPSIZE=1000
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- export HADOOP_MAPRED_ROOT_LOGGER=INFO,RFA
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- #export HADOOP_JOB_HISTORYSERVER_OPTS=
- #export HADOOP_MAPRED_LOG_DIR="" # Where log files are stored. $HADOOP_MAPRED_HOME/logs by default.
- #export HADOOP_JHS_LOGGER=INFO,RFA # Hadoop JobSummary logger.
- #export HADOOP_MAPRED_PID_DIR= # The pid files are stored. /tmp by default.
- #export HADOOP_MAPRED_IDENT_STRING= #A string representing this instance of hadoop. $USER by default
- #export HADOOP_MAPRED_NICENESS= #The scheduling priority for daemons. Defaults to 0.
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