基础docker环境中存储hadoop3--方便后续查看

参考：

 

实践：

 

 

 

export JAVA_HOME=/opt/apache/jdk1.8.0_333
export SPARK_MASTER_IP=192.168.0.220
export SPARK_WORKER_MEMORY=4g
export SPARK_WORKER_CORES=2
export SPARK_EXECUTOR_MEMORY=4g
export HADOOP_HOME=/opt/apache/hadoop-3.2.2/
export HADOOP_CONF_DIR=/opt/apache/hadoop-3.2.2/etc/hadoop
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/opt/apache/jdk1.8.0_333/jre/lib/amd64

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# A Spark Worker will be started on each of the machines listed below.
hadoop220
hadoop221
hadoop222