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-# Set Hadoop-specific environment variables here.
-
-# The only required environment variable is JAVA_HOME. All others are
-# optional. When running a distributed configuration it is best to
-# set JAVA_HOME in this file, so that it is correctly defined on
-# remote nodes.
-
-# The java implementation to use. Required.
-# export JAVA_HOME=/usr/lib/j2sdk1.5-sun
-
-# Extra Java CLASSPATH elements. Optional.
-# export HADOOP_CLASSPATH=
-
-# The maximum amount of heap to use, in MB. Default is 1000.
-# export HADOOP_HEAPSIZE=2000
-
-# Extra Java runtime options. Empty by default.
-# export HADOOP_OPTS=-server
-
-# Command specific options appended to HADOOP_OPTS when specified
-export HADOOP_NAMENODE_OPTS="-Dcom.sun.management.jmxremote $HADOOP_NAMENODE_OPTS"
-export HADOOP_SECONDARYNAMENODE_OPTS="-Dcom.sun.management.jmxremote $HADOOP_SECONDARYNAMENODE_OPTS"
-export HADOOP_DATANODE_OPTS="-Dcom.sun.management.jmxremote $HADOOP_DATANODE_OPTS"
-export HADOOP_BALANCER_OPTS="-Dcom.sun.management.jmxremote $HADOOP_BALANCER_OPTS"
-export HADOOP_JOBTRACKER_OPTS="-Dcom.sun.management.jmxremote $HADOOP_JOBTRACKER_OPTS"
-# export HADOOP_TASKTRACKER_OPTS=
-# The following applies to multiple commands (fs, dfs, fsck, distcp etc)
-# export HADOOP_CLIENT_OPTS
-
-# Extra ssh options. Empty by default.
-# export HADOOP_SSH_OPTS="-o ConnectTimeout=1 -o SendEnv=HADOOP_CONF_DIR"
-
-# Where log files are stored. $HADOOP_HOME/logs by default.
-# export HADOOP_LOG_DIR=${HADOOP_HOME}/logs
-
-# File naming remote slave hosts. $HADOOP_HOME/conf/slaves by default.
-# export HADOOP_SLAVES=${HADOOP_HOME}/conf/slaves
-
-# host:path where hadoop code should be rsync'd from. Unset by default.
-# export HADOOP_MASTER=master:/home/$USER/src/hadoop
-
-# Seconds to sleep between slave commands. Unset by default. This
-# can be useful in large clusters, where, e.g., slave rsyncs can
-# otherwise arrive faster than the master can service them.
-# export HADOOP_SLAVE_SLEEP=0.1
-
-# The directory where pid files are stored. /tmp by default.
-# export HADOOP_PID_DIR=/var/hadoop/pids
-
-# A string representing this instance of hadoop. $USER by default.
-# export HADOOP_IDENT_STRING=$USER
-
-# The scheduling priority for daemon processes. See 'man nice'.
-# export HADOOP_NICENESS=10