解压后 etc/hadoop中的配置
1. hadoop-env.sh 检查JAVA_HOME
http://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-common/SingleCluster.html
sbin/start-dfs.sh
NameNode - http://localhost:50070/
sbin/start-yarn.sh
ResourceManager YARN http://localhost:8088
检测启动成功:
jps