大数据所有环境变量

#java

export JAVA_HOME=/usr/java/jdk1.8.0_201

export CLASSPATH=$JAVA_HOME/lib/

export PATH=$PATH:$ JAVA_HOME/bin

export PATH JAVA_HOME CLASSPATH

#zookeeper

export ZOOKEEPER_HOME=/usr/zookeeper/zookeeper-3.4.13

PATH=$PATH:$ZOOKEEPER_HOME/bin

#hadoop

export HADOOP_HOME=/usr/hadoop/hadoop-2.7.3

export CLASSPATH=$CLASSPATH:$HADOOP_HOME/lib

export PATH=$PATH:$HADOOP_HOME/bin

#scala

export SCALA_HOME=/usr/scala/scala-2.12.8

export PATH=$SCALA_HOME/bin:$PATH

#spark

export SPARK_MASTER_IP=master

export SCALA_HOME=/usr/scala/scala-2.12.8

export SPARK_WORKER_MEMORY=8g

export JAVA_HOME=/usr/java/jdk1.8.0_201

export HADOOP_HOME=/usr/hadoop/hadoop-2.7.3

export HADOOP_CONF_DIR=/usr/hadoop/hadoop-2.7.3/etc/hadoop